US20030220880A1 - Networked services licensing system and method - Google Patents
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- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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- H04L2463/101—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measures for digital rights management
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Abstract
A method, system, and computer program product for controlling consumption of a distributed network service in accordance with rights expression information associated with the distributed network service and specifying a manner of use of the distributed network service, including determining the rights expression information associated with the distributed network service, the rights expression information indicating a manner of use of the distributed network service; and controlling consumption of the distributed network service based on the rights expression information.
Description
- The present invention claims benefit of priority under 35 U.S.C. §119(e) to commonly assigned, co-pending, U.S. Provisional Patent Application Serial No. 60/359,667 of Lao et al., entitled “XrML FRAMEWORK FOR WEB SERVICES,” filed on Feb. 27, 2002, the entire disclosure of which is hereby incorporated by reference herein. This application is a Continuation-In-Part (CIP) of commonly assigned, co-pending, U.S. patent application Ser. No. 10/159,272 of Wang et al., entitled “METHOD AND APPARATUS FOR DISTRIBUTING ENFORCEABLE PROPERTY RIGHTS,” filed on Jun. 3, 2002, which claims benefit of priority to commonly assigned U.S. Provisional Patent Applications Serial Nos. 60/331,625, filed on Nov. 20, 2001, 60/296,117, filed on Jun. 7, 2001, 60/296,118, filed on Jun. 7, 2001, and 60/296,113, filed on Jun. 7, 2001, and which is Continuation-In-Part (CIP) of commonly assigned U.S. patent application Ser. No. 10/046,695, filed on Jan. 17, 2002, which claims benefit of priority to commonly assigned U.S. Provisional Patent Application Serial No. 60/261,753, filed on Jan. 17, 2001, the entire disclosures of all of which are hereby incorporated by reference herein.
- 1. Field of the Invention
- This invention generally relates to networked communications systems, and more particularly to a system and method for licensing of networked services, such as Web services, and the like.
- 2. Description of Related Art
- Recently, networked services technologies, such as Web services technologies, are introducing at a rapid pace the capability to access various services over the Internet in an interoperable and automated manner. As enterprises make their content (such as software) and services available as networked services, there exists a need to control their indiscriminate access and use. The typical method of access control has been one where an identity or credentials about an identity are matched against a set of policies that are managed locally by the provider of the service. One example is when a user enters a user name and password to access some resource in a Web service. This method of access control is widely used in computer systems and is primarily about protecting “my” services against unauthorized use. In other words, access to a service typically is solely based on an identity of a user requesting access to the service.
- With a desire to manage or restrict access, proliferate and commercialize services, there exist scenarios where computational environments are merely intermediaries and typically cannot decide on their own security policies. An example of such intermediaries includes hosting and replicating devices used in outsourcing and bandwidth management scenarios. However, in such environments, it is difficult to propagate and manage central security policies. Accordingly, there is still a need for systems and methods for licensing of networked services, such as Web services.
- The above and other needs are addressed by exemplary embodiments of the present invention, which provide an improved system and method for licensing of networked services, such as Web services, and the like.
- Accordingly, in an exemplary embodiment, there is provided an improved method for controlling consumption of a distributed network service in accordance with rights expression information associated with the distributed network service and specifying a manner of use of the distributed network service. The method includes determining the rights expression information associated with the distributed network service, the rights expression information indicating a manner of use of the distributed network service; and controlling consumption of the distributed network service based on the rights expression information.
- According to another exemplary embodiment, there is provided an improved computer system for controlling consumption of a distributed network service in accordance with rights expression information associated with the distributed network service and specifying a manner of use of the distributed network service. The computer system includes a distributed network services provider configured to provide the distributed network service; a client of the provider configured to consume the distributed network service; a license issuing server configured to determine the rights expression information associated with the distributed network service, the rights expression information indicating a manner of use of the distributed network service; and a license issuing server configured to control consumption of the distributed network service based on the rights expression information.
- According to a further exemplary embodiment, there is provided an improved computer-readable medium carrying one or more sequences of one or more instructions for controlling consumption of a distributed network service in accordance with rights expression information associated with the distributed network service and specifying a manner of use of the distributed network service. The one or more sequences of one or more instructions including instructions which, when executed by one or more processors, cause the one or more processors to perform the steps of determining the rights expression information associated with the distributed network service, the rights expression information indicating a manner of use of the distributed network service; and controlling consumption of the distributed network service based on the rights expression information.
- According to a still further exemplary embodiment, there is provided an improved system for controlling consumption of a distributed network service in accordance with rights expression information associated with the distributed network service and specifying a manner of use of the distributed network service, including means for determining the rights expression information associated with the distributed network service, the rights expression information indicating a manner of use of the distributed network service; and means for controlling consumption of the distributed network service based on the rights expression information.
- Still other aspects, features, and advantages of the present invention are readily apparent from the following detailed description, simply by illustrating a number of exemplary embodiments and implementations, including the best mode contemplated for carrying out the present invention. The present invention is also capable of other and different embodiments, and its several details can be modified in various respects, all without departing from the spirit and scope of the present invention. Accordingly, the drawings and descriptions are to be regarded as illustrative in nature, and not as restrictive.
- The present invention is illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which like reference numerals refer to similar elements and in which:
- FIG. 1 is a schematic illustration of an exemplary Networked Services Licensing System, according to an exemplary embodiment;
- FIG. 2 is a schematic illustration of exemplary interactions between a Web Services Provider, and a Web Services Client of the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment;
- FIG. 3 is a schematic illustration of exemplary interactions between one or more Business Networks, and a License Issuing and/or Generation Service of the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment;
- FIG. 4 is a schematic illustration of exemplary interactions between a Web Service Provider, and a License Interpretation Service of the Networked Services Licensing System, according to an exemplary embodiment;
- FIG. 5 is a schematic illustration of exemplary interactions between a Web Service Provider, a License Interpretation Service, and a State Tracking Service of the Networked Services Licensing System, according to an exemplary embodiment;
- FIG. 6 illustrates an exemplary workflow for when a Web Services Client knows, in advance, that a license is to be included in a message for service initiation in the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment;
- FIG. 7 illustrates an exemplary workflow for when a Web Services Client knows, via a service description language file, that a license is to be included in a message for a service initiation in the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment;
- FIG. 8 illustrates an exemplary workflow for when a Web Services Client knows, via a service description language file, that a license is to be is to be obtained from a License Generation Service of the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment;
- FIG. 9 illustrates an exemplary workflow for when a Web Services Client does not know that a license is to be employed for gaining access to a service in the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment;
- FIG. 10 illustrates an exemplary workflow for when a Web Services Client attempts to gain access to a service without a license, is informed that the license is to be employed, and obtains the license for gaining access to a service in the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment;
- FIG. 11 illustrates an exemplary workflow for when an Enterprise out-sources license generation for gaining access to a service in the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment;
- FIG. 12 illustrates an exemplary workflow for when a plurality of Enterprises out-source license generation for gaining access to a service in the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment;
- FIG. 13 illustrates an exemplary method for license generation, based on license templates, that can be used in the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment;
- FIG. 14 illustrates an exemplary method for license generation, based on an authorizing license, that can be used in the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment;
- FIG. 15 illustrates an exemplary method for license generation, based on an exemplary a license prototype, that can be used in the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment;
- FIG. 16 illustrates an exemplary method for license generation, from scratch, that can be used in the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment;
- FIG. 17 illustrates an exemplary workflow for license validation that can be used in the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment;
- FIG. 18 illustrates exemplary workflows for license interpretation and state tracking that can be used in the Networked Services Licensing System of FIG. 1, according to an exemplary embodiments;
- FIG. 19 illustrates an exemplary workflow for specifying a license that can be used in the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment;
- FIG. 20 illustrates an exemplary workflow for interpreting a license that can be used in the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment;
- FIG. 21 illustrates an exemplary workflow for controlling consumption of a service that can be used in the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment;
- FIG. 22 illustrates an exemplary workflow for issuing licenses by a third party that can be used in the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment; and
- FIG. 23 illustrates an exemplary workflow for syndication of a service that can be used in the Networked Services Licensing System of FIG. 1, according to an exemplary embodiment.
- A system and method for licensing of networked services, such as Web services, and the like, are described. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It is apparent to one skilled in the art, however, that the present invention can be practiced without these specific details or with equivalent arrangements. In some instances, well-known structures and devices are shown in block diagram form in order to avoid unnecessarily obscuring the present invention.
- Generally, a more flexible method for access control can be developed through technologies, referred to as Digital Rights Management (DRM) herein, wherein access to a resource is controlled by a license, wherein the license can be encoded in a rights language. The exemplary embodiments described herein, advantageously, leverage DRM system components to address issues related to the licensing of networked services, such as Web services. Accordingly, the exemplary embodiments can employ authentication, authorization, accounting, payment and financial clearing, rights specification, rights verification, rights enforcement, document protection components, and the like, of a Digital Rights Management system, for example, as further described in commonly assigned U.S. Pat. No. 5,530,235, U.S. Pat. No. 5,629,980, U.S. Pat. No. 5,634,012, U.S. Pat. No. 5,638,443, U.S. Pat. No. 5,715,403, U.S. Pat. No. 6,233,684, and U.S. Pat. No. 6,236,971, the entire disclosures of all of which are hereby incorporated by reference herein.
- The use of a rights expression, for example, in the form of a license used to define usage rights for specifying a permitted manner of use, such as consumption, and the like, of a service, advantageously, switches the control, the responsibility for control, and the like, from the computing environment to the rightful owner of the service. Such usage rights can be associated with one or more conditions, such as payment, and the like, that can be a prerequisite for exercising the specified manner of use of the service. A rights expression language, such as eXtensible Rights Markup Language (XrML), and the like, for example, including predefined syntax and semantics, can be employed to express the usage rights. Consume, consuming, consumption, and the like, of the service, for example, can include access to or use of the service, access to or use of parts or devices of the service, access to or use of results of the service, receiving or rendering content of the service, executing software of the service, and the like.
- In the above model, according to the exemplary embodiments, access control typically is about deploying “my” services “out-there,” while at the same time issuing rights to users of such services to control access to the services. By contrast, other methods and systems for access control primarily are focused on protecting “my” services against use by others.
- According to the exemplary embodiments, DRM is employed in a networked services environment, such as a Web services environment, for example, by leveraging components of the DRM system, such as license generation, license interpretation, and the like. In addition, the exemplary embodiments provide a system and method for authorization for networked services, for example, through a license expressed in a rights language. Further, the exemplary embodiments are directed how a license can be generated, used, processed, and the like, by the various entities of the networked services ecosystem to reach an authorization decision that allows access by a client, devices, services, and the like, to the networked services. In general, a requester of for a service presents a license in order to get access to the service.
- Accordingly, the exemplary embodiments, advantageously, enable more flexible business models. For example, a service can be deployed “anywhere,” and the control to access the service can be centralized and determined by the owner of the service. The points of deployment typically do not have to worry about establishing local security policies, as this becomes unnecessary. In addition, the model of “distributed access management” of the exemplary embodiments, advantageously, can be applied in the syndication of networked services, such as Web services, for example, including multiple layers of participants.
- Referring now to the drawings, wherein like reference numerals designate identical or corresponding parts throughout the several views, and more particularly to FIG. 1 thereof, there is illustrated an exemplary Networked
Services Licensing System 100 that can be used in connection with the described exemplary embodiments for licensing of networked services, such as Web services, and the like. In FIG. 1, the NetworkedServices Licensing System 100, for example, includes aWeb Services Provider 101, aWeb Services Client 103, a License Generation andIssuing Service 105 and that can interface with one ormore Business Networks 107, a License Generation, Validation and/orInterpretation Service 109 for relaying alicense 127, aState Tracking Service 111 for relayingstate information 115, and aTrust Authority Service 113 for relaying keys and/orcertificates 117. The services 105-111, advantageously, can be configured as a middle-tier or layer that can be plugged-in between theTrust Authority Service 113, and theWeb Services Provider 101 and theWeb Services Client 103. Advantageously, existing Web services systems can be modified to practice the exemplary embodiments based on such middle layer configuration. - A rights language, such as eXtensible Rights Markup Language (XrML), eXtensible Access Control Markup Language (XACML), Open Digital Rights Language (ODRL), and the like, can be used to specify a rights expression, rights expression information, and the like, for example, in the form of the
license 127. However, thelicense 127 can be specified in any suitable manner. In addition, thelicense 127 can be based on a pre-defined specification, template, prototype, and the like, that can be associated with the Web service, according to further exemplary embodiments. Accordingly, the process of specifying thelicense 127 can include any suitable process for associating rights, conditions, and the like, with access to services, such as Web services. - An exemplary workflow for the Networked
Services Licensing System 100 can include a user operating within theWeb Services Client 103 environment being issued thelicense 127 by theLicense Issuing Service 105 for accessing a service of theWeb Services Provider 101. When the user wishes to use aservice 119 provided by theWeb Services Provider 101, the user can make arequest 121 for theservice 119 from theWeb Services Provider 101 along with the issuedlicense 127. When associated conditions (for example, obligations 123), such as the collection of a fee, the authentication of the user, and the like, are satisfied based on alicense interpretation request 125, as verified, for example, by theLicense Interpretation Service 109, and theState Tracking Service 111, the user can be allowed access to theservice 119 of theWeb Services Provider 101 in accordance with a manner of use specified in thelicense 127. - Advantageously, the
license 127 can specify any suitable usage rights associated with theservice 119. The interpretation and enforcement of the usage rights are further described in commonly assigned U.S. Pat. No. 5,530,235, U.S. Pat. No. 5,629,980, U.S. Pat. No. 5,634,012, U.S. Pat. No. 5,638,443, U.S. Pat. No. 5,715,403, U.S. Pat. No. 6,233,684, and U.S. Pat. No. 6,236,971, for example. The steps above can take place sequentially or approximately simultaneously or in various orders. - FIG. 1 illustrates exemplary participants in a generalized Web service model, where the access to services and/or content is specified by a license expressed in a rights language, such as XrML, and the like. Advantageously, the use of a rights language to define access fits the Web services paradigm of distributed policies and access points because a rights language can capture both the rights and the context on which those rights can be exercised. The context can include information, an identification, and the like, of the client that is authorized to exercise the rights, the associated resources and conditions that have to be met in order to exercise the rights.
- The top and bottom layers of FIG. 1 can be used to contrast a typical model for providing Web services, wherein the
Web Services Provider 101 controls access through simple processes, such as user-name and password, and local policy evaluation. By contrast, according to the exemplary embodiments, the middle layer is involved in defining processes and/or determining authorization for access theservice 119 provided by theWeb Services Provider 101. This middle layer can be referred to as a “rights layer.” - Advantageously, tasks related to determining authorization to the
service 119, authentication, accounting, and the like, can be managed, outsourced, handled, and the like, by the specialized services provided by the middle layer. In this way, theWeb Services Provider 101 can enjoy the luxury of focusing solely on the business logic of theservice 119, while outsourcing other activities, such as the processing of payments, the maintaining of customer databases, and the like, that typically would be employed in a more monolithic e-commerce model. Accordingly, theWeb Services Provider 101 processes the rights expression in the form of thelicense 127 that is presented by theWeb Services Client 103 in order to determine what services to provide and how to provide such services. According to an exemplary embodiment, the license interpretation, the state information tracking, for example, such as how many times theservice 119 has been rendered, which can be the accounting part, and the like, can be outsourced to third party providers. - The exemplary embodiments, thus, provide the authorizing of the access to the
service 119, for example, via the generation of thelicense 127. By contrast, other Web services systems and methods typically control access by remembering a client's identity and by requesting a credential, such as user-name and password. In the exemplary embodiments, however, such credentials are augmented in the form of thelicense 127. The issuing of thelicense 127 can be accomplished by the rights layer, but can include processes performed by theWeb Services Provider 101. The rights layer can include the Business Network(s) 107, such as a partner that bought theservice 119 and is now allowing its customer base access to theservice 119. Thus, anyone with a business arrangement with theWeb Services Provider 101 can be capable of issuing thelicense 127, according to further exemplary embodiments. - The interaction of the
Web Service Client 103 with theWeb Services Provider 101 can involve various mechanisms and transactions, such as a request for service, a financial transaction, a rendering of theservice 119, and the like. For example, of theWeb Service Client 103 can contact theWeb Services Provider 101 and request some type ofservice 119. The access to theservice 119 also can include various transactions, such as access, rendering, execution of code, send-back of data, collecting payment, and the like. Accordingly, the access to theservice 119 can include any suitable interactions and/or results between theWeb Service Client 103 and theWeb Services Provider 101. - The Networked
Services Licensing System 100 is of an exemplary nature and can be implemented in numerous other arrangements. For example, a clearinghouse (not shown) can be used to process payment transactions and verify payment prior to theIssuing Service 105 issuing thelicense 127. Moreover, the various processes and transactions can be performed, for example, via online and/or offline environments and/or combinations thereof, according to further exemplary embodiments. Accordingly, the various devices and/or components of the NetworkedServices Licensing System 100 can, but need not, communicate directly with one another and information can be exchanged in any suitable manner, such as by physically moving media between the devices the various devices and/or components of the NetworkedServices Licensing System 100. - The devices and subsystems of the Networked
Services Licensing System 100 of FIG. 1 can communicate, for example, over one or more communications networks (not shown), and can include, for example, any suitable servers, workstations, personal computers (PCs), laptop computers, PDAs, Internet appliances, set top boxes, modems, handheld devices, telephones, cellular telephones, wireless devices, other devices, and the like, capable of performing the processes of the exemplary embodiments. The devices and subsystems can communicate with each other using any suitable protocol and can be implemented using a general-purpose computer system, for example. One or more interface mechanisms can be used in the NetworkedServices Licensing System 100, for example, including Internet access, telecommunications in any suitable form, such as voice, modem, and the like, wireless communications media, and the like. Accordingly, such communications network(s) can include, for example, wireless communications networks, cellular communications networks, satellite communications networks, Public Switched Telephone Networks (PSTNs), Packet Data Networks (PDNs), the Internet, intranets, and the like. In addition, such communications network(s) can be the same or different networks. - As noted above, it is to be understood that the Networked
Services Licensing System 100 of FIG. 1 is for exemplary purposes, as many variations of the specific hardware used to implement the exemplary embodiments are possible. For example, the functionality of the devices and the subsystems of the NetworkedServices Licensing System 100 can be implemented via one or more programmed computer systems or devices. To implement such variations as well as other variations, a single computer system can be programmed to perform the special purpose functions of one or more of the devices and subsystems of the NetworkedServices Licensing System 100. On the other hand, two or more programmed computer systems or devices can be substituted for any one of the devices and subsystems of the NetworkedServices Licensing System 100. Accordingly, principles and advantages of distributed processing, such as redundancy, replication, and the like, also can be implemented, as desired, to increase the robustness and performance of the NetworkedServices Licensing System 100, for example. - The components of the Networked
Services Licensing System 100, for example, including thelicense 127, theWeb Services Provider 101, theWeb Services Client 103, the License Generation and/orIssuing Service 105, the License Validation and/orInterpretation Service 109, theState Tracking Service 111, and theTrust Authority Service 113, according to various embodiments, will now be further described. - The
license 127, for example, can be based on rights language-based functions, such as XrML functions, and the like, in the exemplary embodiments. The Web ServicesClient 103 can present thelicense 127 to theWeb Services Provider 101, when theWeb Services Client 103 requests theservice 119. Thelicense 127, for example, can convey the rights and conditions governing the rendering of services, such theservice 119, the manner of use of the services, and the like. In addition, thelicense 127, for example, can convey the context in which transactions between theServices Client 103 and theWeb Services Provider 101 can take place, and the like. - Accordingly, the
license 127 can convey information, for example, including theservice 119, parts of theservice 119, a principal to whom thelicense 127 has been granted, the rights that are granted, the conditions under which theservice 119 can be accessed, obligations that theWeb Services Provider 101 and/or theWeb Services Client 103 may have to perform while allowing access to a protected resource of theservice 119, trust domains, for example, including the issuer of thelicense 127 and/or the authority under which thelicense 127 has been issued, information to leverage or utilize security mechanisms, such as signatures and/or encryption mechanisms, any other suitable information, which can be mandatory and/or optionally employed by the NetworkedServices Licensing System 100, and the like. - An
exemplary license 127, for example, written in XrML, is shown below that conveys, for example, a right to access theservice 119 offered by theWeb Services Provider 101, “www.foo.com/quoteService,” and that has been granted to a holder of a specific cryptographic key, such as the principal, and the like, by the issuer, represented by another key value.<license> <grant> <keyholder> . . . </keyhoder> <ws:execute /> <serviceReference> <foo: location uri=www.foo.com/quoteService/> </serviceReference> </grant> <issuer> <dsig:keyValue> . . . </dsig:keyValue> </license> - The identification of the
service 119 can be encoded in thelicense 127. Such encoding can be used to indicate that thelicense 127 refers to theservice 119 in question. Additionally, any suitable granular identification of theservice 119 in question can be specified. For example, thelicense 127 can describe that thelicense 127 pertains to a portion of theservice 119, a certain Application Programming Interfaces (APIs) exposed by theservice 119, and the like. Alternatively, thelicense 127 also can identify theservice 119 including a set of services. For example, theservice 119 can be described as “any service that originates from www.foo.com.” Further, theservice 119 identified can include any suitable combination of the models described above. - The principal specified in the
license 127 can be used to verify the identity of the requester of theservice 119, for example, a user of theservice 119, such as theWeb Services Client 103. The principal, thus, can be used to authenticate the requester of theservice 119. Typically, the requester may have to present some form of credential at the time of therequest 121, and such credential can verified against the identity of, for example, the principal specified in thelicense 127. The credential presented can employ various mechanisms, such as digital certificates, including a key, a security token, and the like. - The principal also can be specified, identified, and the like, in various ways. For example, the principal can be a specific principal, such as the holder of a cryptographic key, and the like. The principal also can specified as “anyone,” such as “anyone in the universe,” and the like. The principal also can be specified as a member of a set of principals, such as “any client that is a member of company ABC,” and the like. Thus, depending on how the principal is specified, one or more credentials may be employed to fully resolve, match, and the like, the identity of the principal. The process to match credentials can include, for example, any suitable technology, traditional, proprietary or new, that can be used to authenticate a principal specified in a license.
- The rights specified in the
license 127 can be the granted or allowed “operations,” that is, the manner of use, that the recipient of the grant, such as a principal, and the like, can exercise on theservice 119, such as a Web service, and the like. Such operations can take various forms, such as “accessing the information on a Web service,” “executing the software residing in a Web service,” “retrieving some data that has been generated by a Web service,” and the like. - The
license 127 can include one or more conditions associated with a right to access theservice 119. The conditions that can be specified in thelicense 127 and that may have to be satisfied in order to exercise the manner of use. For example, the conditions can include temporal conditions, such as a validity period, quantity conditions, such as the number of times the service can be accessed, payment conditions, accounting conditions, such as having the transaction tracked and recorded, and the like. Thus, conditions can include any suitable restrictions, parameters, obligations, states, and the like, that may have to be to be met before, during, after, in order to exercise the right. - The trust domain that can be specified in the
license 127 can relate to the identity of the issuer of thelicense 127. For example, when theWeb Services Provider 101 accepts thelicense 127 from theWeb Services Client 103, theWeb Services Provider 101 may have to determine if theWeb Services Provider 101 can trust the information included in thelicense 127. In an exemplary embodiment, the entity that issued thelicense 127 can be identified by the issuer of thelicense 127. - The
license 127 can employ, for example, security technologies in order to safeguard the information included in thelicense 127. For example, theWeb Services Provider 101 can employ mechanisms to determine if the issuer of the license can be trusted, to determine if the license has not been tampered with, and the like. Thus, digital signatures technologies, and the like, can be employed to ensure the integrity of thelicense 127, and encryption technologies, and the like, can be used to keep certain information in thelicense 127 confidential. - FIG. 2 is a schematic illustration of exemplary interactions between the
Web Services Provider 101 and theWeb Services Client 103 of the NetworkedServices Licensing System 100, according to an exemplary embodiment. As shown in FIG. 2, thelicense 127 can be conveyed, transmitted, and the like, by theWeb Services Client 103 to theWeb Services Provider 101 when making therequest 121 for theservice 119. TheWeb Services Provider 101 then can render theservice 119 based on rights, conditions, and the like, specified in thelicense 127. For example, theWeb Services Client 103 and theWeb Services Provider 101 can arrange before-hand that thelicense 127 is to be transmitted in a data stream including theservice request 121, based on a license protocol that includes the process of negotiating and/or submitting thelicense 127, and the like. - According to the exemplary embodiments, the
Web Services Provider 101 typically focuses on providing theservice 119. In addition, since authorization and/or commerce-related tasks can be managed elsewhere, as proposed in the exemplary embodiments, then tasks, such as the managing payments, the maintaining customers databases, and the like, can be eliminated. Advantageously, this allows theWeb Services Provider 101 to more efficiently focus on providing theservice 119. - The
Web Services Provider 101 also can handle the service requests 121. Mechanisms to handle the service requests 121 can include, for example, proprietary mechanisms, standard mechanisms, such as Simple Object Access Protocol (SOAP), Web Service Description Language (WSDL), other messaging protocols, and the like. However, any suitable mechanisms that can handle and/or process a service request can be employed. - In addition, the
Web Services Provider 101 can employ a license protocol. Such protocol can include, for example, any suitable open or proprietary licensing mechanisms, a prior agreement to embed thelicense 127 in therequest 121, a protocol that determines the need for thelicense 127, sending the requester to a site to obtain thelicense 127, and the like. - The
Web Services Provider 101, thus, consumes and/or accepts thelicense 127 that has been conveyed by theWeb Services Client 103 for gaining access to theservice 119. After determining that thelicense 127 can be trusted, theWeb Services Provider 101 can render theservice 119, for example, based on rights and/or conditions specified in thelicense 127. If thelicense 127 is deemed invalid or untrustworthy, theWeb Services Provider 101, for example, may not provide and/or render theservice 119, and can generate an error message, for example, indicating that access to theservice 119 is denied. Further, theWeb Services Provider 101 may have to satisfy, as a condition of thelicense 127, obligations that result from the rendering theservice 119, such as tracking of a state, and the like, and that can be specified in thelicense 127. - According to the exemplary embodiments, the
Web Services Client 103 typically is the consumer device of theservice 119, that is, the user device. The Web ServicesClient 103 can determine how to access theservice 119, for example, via manual processes, through various technologies, such as Universal Description Discovery and Integration Standard (UDDI) registries, WSDL definitions, and the like. The Web ServicesClient 103 can present, convey, transmit, and the like, thelicense 127 to theWeb Services Provider 101, for example, at the time ofservice request 121 or at a different time, in order to access theservice 119. - In addition, the
Web Services Client 103 can be aware that thelicense 127 can be employed in order to access theservice 119. In other words, theWeb Services Client 103 understands that access to theservice 119 can entail the possession of thelicense 127, knows where to obtain thelicense 127, and the like. Such processes can be accomplished by a license protocol, wherein therequest 121 forservice 119 is followed by a response indicating that certain credentials, for example, such as thelicense 127, are employed for gaining access to theservice 119. Such processing can be accomplished, for example, by manual processes, such as via agreements, for example, wherein theWeb Services Provider 101 informs theWeb Services Client 103 that a license is employed for accessing theservice 119, and the like. Thus,Web Services Client 103 consumes theservice 119, for example, executes code, renders content, and the like, after theWeb Services Provider 101 has accepted thelicense 127. - In an exemplary embodiment, the
Web Services Provider 101 also can be a Web Services Client, such as when theWeb Services Provider 101 is a client of another Web service, and the like. Thus, the modes of operation of the exemplary embodiments are not so limited, but rather include other possible permutations of the exemplary. In a further exemplary embodiment, for example, theWeb Services Client 103 might use a third party to present thelicense 127 and the presenter of thelicense 127 need not be the consumer of theservice 119. In this exemplary embodiment, theWeb Services Client 103 can provide, for example, additional information indicating that thelicense 127 can be presented by a third party. - The exemplary embodiments can include a lifecycle for rights, referred to as the “rights lifecycle.” For example, the rights lifecycle can begin with the creation of the
license 127, which can be used to associate some rights and/or conditions with some resource, such as theservice 119. Thelicense 127 then can be issued to theWeb Services Client 103 who would then use thelicense 127 to obtain theservice 119. Eventually, thelicense 127 is consumed by theWeb Services Provider 101, for example, during the rendering of theservice 119, completing the rights lifecycle. - In a typical DRM system, the issuing of a licenses typically is controlled by a single and/or centralized entity. Such entity typically is responsible for the computational tasks of issuing the license, which can include creating the license, validating the license, signing the license, and license recovery. Similarly, in a typical access control system, the authorization assertions are generated by a centralized entity, where security policies are defined and managed. By contrast, in an exemplary embodiment, the generation of the
license 127 can be logically separated from the issuing of thelicense 127. Typically, thelicense 127 generation includes the computational functions to create thelicense 127, such as creating an XrML file, and the like, constructing the elements, storing the license in a database, and the like. The license issuing can be the actual authorization of the rights that are granted in thelicense 127, for example, including digitally signing thelicense 127 and/or attesting that the rights conveyed in thelicense 127 are authorized by the issuer, and the like. - According to the exemplary embodiments, the
License Generation Service 105, a task, and the like, can provide additional services, such as data backup, license version control, upgrades, license revocation, and the like. Advantageously, such services can add further value, to the valued added by the process of generating thelicense 127. - The tasks of generating and issuing the
license 127 can be performed by a single application, and/or system. However, the separation of authority betweenlicense 127 generation and thelicense 127 issuing, advantageously, supports various exemplary business embodiments. For example, this approach allows a business entity the option to outsource the data intensive part of generating thelicense 127, and to focus on the authority part of signing and issuing thelicense 127. This approach, advantageously, enables a single service that can generate and issuelicenses 127 on behalf of different business entities, as will now be discussed. - FIG. 3 is a schematic illustration of exemplary interactions between one or more of the
Business Networks 107 and the License Issuing and/orGeneration Service 105 of the NetworkedServices Licensing System 100, according to an exemplary embodiment. In FIG. 3, the authority to issuelicenses 127 can be conveyed in the form of thelicense 305 to issuelicenses 127, referred to as a “distribution” license, and as shown in FIG. 3. Accordingly, thedistribution license 305 grants the right to issue one or more of thelicenses 127. Thedistribution license 305 also can specify a manner of use that can be granted and conditions, such as the maximum number oflicenses 127 that theLicense Generation Service 105 can issue, and the like. Thedistribution license 305 also can be used to attest that the issuer of thelicense 127 has the authority to issue thelicenses 127, and can be referenced when the issuer's signature is not recognized, but the signature of the issuer of thedistribution license 305 is recognized. - In other words, the presence of
distribution licenses 305 establishes a trust model, wherein signatures in thelicenses 127 can be checked, for example, duringlicense 127 interpretation, up the chain of distribution until a signature, signatures, and the like, are recognized, trusted, and the like. Such a model fits well in the exemplary embodiments, where an owner of a service can grant the right, in the form of a license, to issue licenses to business partners, for example, after some contract or business arrangements. - For example, an exemplary workflow for license generation and issuing, can include business partner301 (Business Entity A), and business partner 303 (Business entity B). In this example, the Business Entity A owns and operates a Web service, and Business Entity B wishes to bundle the Web service as part of a product line of Business Entity B. Accordingly, the Business Entity A issues the
distribution license 305 to the Business Entity B granting the Business Entity B the right to issue thelicenses 127 to the customers, for example, theWeb Services Client 103, of the Business Entity B, for example, to access the Web service provided by the Business Entity A. The Business Entity B issues thelicenses 127 to the customers, for example, by utilizing theLicense Issuing Service 105 to generate thelicense 127. When theWeb Services Client 103 accesses the Web service provided by the Business Entity A, thelicense 127 is presented and the Web service can check the authority of thelicense 127 by recognizing that the Business Entity B was granted the right to issuesuch licenses 127. - Accordingly, the
License Generation Service 105, for example, can perform the computational process of generating anunsigned license 309, thedistribution license 305, and/or thelicense 127 based on arequest 307, and including schema validation, and the like. In addition, theLicense Generation Service 105 can provide a generalized interface to handle the service requests 307, for example, requests forlicenses License Generation Service 105 typically does not sign thelicense 127, but, according to a further exemplary embodiment, theLicense Generation Service 105 can sign thelicenses 127 on behalf of alicense 127 issuer, such as the Business Entity B. Further, theLicense Generation Service 105 can provide, for example, data management functions, such as the back-up issued licenses, the re-issue of licenses, reporting functions, and the like. - FIG. 4 is a schematic illustration of exemplary interactions between the
Web Service Provider 101 and theLicense Interpretation Service 109 of the NetworkedServices Licensing System 100, according to an exemplary embodiment. For example, in order to consume theservice 119, such as allowing execution of code of theWeb Services Provider 101, rendering encrypted and/or protected content of theWeb Services Provider 101, and the like, thelicense 127 can be validated, and then interpreted based on theinterpretation request 125 to determine if rights, conditions, such asobligations 123, specified therein allow such operation. The capabilities for validating and/or interpreting thelicense 127 can be built into theWeb Services Provider 101 and/or a rendering application. However, according to further exemplary embodiments, such capabilities can be separated from theWeb Services Provider 101 and/or the rendering application, and can be provided by a service, such as theLicense Interpretation Service 109. - Thus, according to an exemplary embodiment, the
license 127 is validated and then interpreted by theLicense Interpretation Service 109. However, according to a further exemplary embodiment, this process can be performed in reverse order, and in which case the interpretation can be performed subject to a later validation step. - The
License Interpretation Service 109 can be employed for the task of interpretinglicenses 127, which is a counterpart of the license generation model of theLicense Interpretation Service 105, whereby theWeb Services Provider 101 can offload computational tasks not directly associated with providing theservice 119. TheWeb Services Provider 101 operating as such can offload the task of interpreting thelicense 127 to theLicense Interpretation Service 105, and, advantageously, focus in building theservice 119. Duringlicense 127 interpretation, potentiallyother services 401 can be employed, as shown in FIG. 4. For example, theservice 401 can be contacted to authenticate the principal, to retrieve information stored in a remote service, such as a trusted time clock, and the like. - FIG. 5 is a schematic illustration of exemplary interactions between the
Web Service Provider 101, theLicense Interpretation Service 109, and theState Tracking Service 111 of the NetworkedServices Licensing System 100, according to an exemplary embodiment. In FIG. 5, the use of theState Tracking Service 111, during thelicense 127interpretation stage 501, and during the exercise ofrights stage 503, is shown. - The interpretation of the
license 127 and/or the exercise of a right, can involve information that is stored outside of thelicense 127. For example, a condition of thelicense 127 can be that there is a limit to the number of times a resource provided by theWeb Services Provider 101 can be accessed. Accordingly, during the interpretation of thelicense 127, including of such condition, the information regarding the number of times the resource has already been accessed may have to be retrieved in order to accurately and truthfully interpret whether a further access right can be granted. - Such information can be referred to as the
state information 115, and the tracking of thestate information 115 can be referred to as “state tracking.” Thestate information 115 can include various types of information, such as information regarding the status of thelicense 127, the amount of time a resource has been used, information regarding payment for theservice 119, information regarding the time of the day theservice 119, thelicense 127, and/or the conditions, were issued, accessed, consumed, presented, and the like. Accordingly, thestate information 115 can include any suitable information regarding the NetworkedServices Licensing System 100, and the like. - The
state information 115 can reside and/or be recorded in persistent storage, such as a database, a memory, a service, and the like, of the NetworkedServices Licensing System 100. For example, thestate information 115, such as the number of times theservice 119 has been accessed by theWeb Services Client 103, and the like, can be recorded in some persistent storage of the NetworkedServices Licensing System 100. Additionally, as previously described, the interpretation of thelicense 127 can result in theobligations 123 that may have to be fulfilled while allowing the exercise of the rights. - Although the tracking of the
state information 115 can be implemented locally, for example, by theWeb Services Provider 101, this can create an additional burden for theWeb Services Provider 101. In addition, local tracking by theWeb Services Provider 101 may be difficult to implement, because theWeb Services Provider 101 may not be able to accommodate the local storage of thestate information 115. Advantageously, theState Tracking Service 111 addresses the noted and other problems associated with the tracking of state information by theWeb Services Provider 101. A rights language, as previously described, can be used to specify, for example, where theTracking Service 111 is referenced, where thestate information 115 related to the conditions of the rights can be managed, and the like. Thus, theState Tracking Service 111 can be used for tracking, providing, and the like, thestate information 115 that can be specified in thelicense 127. - The
Trust Authority Service 113 can include elements and/or services that, for example, establish, manage, and the like, trust relations for the various entities of the exemplary embodiments. For example, theTrust Authority Service 113 can include a Certificate Authority (CA) function for issuing the digital certificates, digital credentials and/orencryption keys 117 that can be employed to sign thelicenses 127. Accordingly, theTrust Authority Service 113, for example, can include a corporation's Public Key Infrastructure (PKI), a service provided by a PKI and/or security provider, a separate service employed to establish a trust relation between business partners, and the like. - Therefore, according to an exemplary embodiment, the
Trust Authority Service 113 can include the function issuing ofdigital credentials 117, for example, used to identify the principals. Exemplarydigital credentials 117 can include, for example, an X509 digital certificate, a Microsoft Passport, a Kerberos authentication token, and the like. Thecredentials 117 of the type described above can be used to specify and/or certify the identity of the holder, but typically convey little additional information about the holder, as most of such additional information typically is provided in a fixed format and/or is implied. For example, a passport holder typically is simply someone that has been authenticated with the Microsoft passport service. - Accordingly, a need exists to attach additional information about identities, for example, of the principals, in a more expressive and/or robust manner, for example, to express the role of the principal, a membership association for the principal, and the like. A rights language, as previously described, and according to a further exemplary embodiment, advantageously, can be used define a
certificate 117 that can be used to convey credentials in a more expressive manner, for example, to express the role of the principal, a membership association for a principal, and the like. Thecredentials 117 then can be used to associate the holder with additional properties, such as a membership in a business circle, a relationship in a business environment, and the like. - Typically, a Certificate Authority can attest to the authenticity of the information included in a digital certificate. If the information in the digital certificate can be limited in scope, for example, such as a company name, the functions of the Certificate Authority can be well defined. For example, a Certificate Authority may have an established process to check a company's name before issuing a digital certificate. However, when the credentials become more expressive, as described above, it becomes more difficult for a Certificate Authority to attest to the authenticity of the credential information. For example, if a credential includes some membership information, the Certificate Authority would have to establish some additional process to validate such membership.
- Accordingly, a generic Certificate Authority typically cannot verify such additional information. Typically, the Certificate Authority, a signer, and the like, of the credential can become the system where the credential is to be used. In this exemplary embodiment, the trust model becomes less open and more monolithic, for example, since the system typically can trust the system. To use credentials with more expressive information in a more open system, for example, within a business network of affiliated services, the
Trust Authority Service 113, advantageously, can be employed to attest to additional information that can be included in thecertificates 117. According to an exemplary embodiment, a Certificate Authority can be configured to fulfill the above-note needs. However, a “trust broker,” such as theTrust Authority Service 113 of the exemplary embodiments, advantageously, can be employed to address the noted and other problems with a Certificate Authority being employed to verify the above-noted additional information. - Just like the
certificates 117, the licenses can be signed and/or verified, for example, through cryptographic techniques. The verification of thelicense 127 signature can be used, for example, to attest to the integrity of thelicense 127, the authenticity of the signer, such as thelicense 127 issuer, and the like. Typically, however, such verification does not establish a “rights trust,” for example, to trust that thelicense 127 was issued with proper authorization, unless the verifier authorized the issuing of thelicense 127. This is a difference between thelicense 127 validation, and thelicense 127 interpretation, as previously discussed. - For example, Company B issues a license B′ to Company A granting Company A the right to issue licenses A′ on behalf of Company B. Then, Company A issues a license A′ to user X, and user X presents the license A′ to Company B to access a protected resource of Company B. In this exemplary embodiment, since company B issued the license B′, the trust of license A′ can be traced back to license B′, which is trusted by default by company B.
- Now, consider the case where Company C also accepts licenses A′ for access to a protected resource of Company C. In order to trust the license A′, Company C may have to either decide to trust licenses from Company A or issue a license C′ to Company A with the right to issue licenses A′ on behalf of Company C. As the network becomes large, every license A′ would have to be accompanied with each of the authorizing licenses B′, C′, and so on.
- In the above case, processing of such licenses A′ quickly can become cumbersome and/or impractical. According to an exemplary embodiment, however, a “trust broker,” such as the
Trust Authority Service 113 of the exemplary embodiments, advantageously, can as the “trust broker,” for example, to broker deals between companies, issues licenses under its own signature, and the like. In this exemplary embodiment, during thelicense 127 interpretation process, the signature of theTrust Authority Service 113 can be trusted. - When the
Web Services Client 103 initiates, requests, and the like, theservice 119, theWeb Services Client 103 can transmit thelicense 127, for example, as part of a messaging protocol. Advantageously, according to an exemplary embodiment, the information for transmitting thelicense 127 at the time of theservice 119 initiation can be provided in advance, for example, by reading some documentation on a Web site, and the like. - When the
Web Services Client 103 initiates, requests, and the like, theservice 119, theWeb Services Client 103 can transmit thelicense 127, for example, as part of a messaging protocol. Although, according to an exemplary embodiment, the information for transmitting thelicense 127 at the time of theservice 119 initiation can be provided in advance, by reading some documentation on a Web site, and the like, there is a need for a protocol, where the need for thelicense 127 can be communicated through a messaging mechanism. Advantageously, according to a further exemplary embodiment, such a protocol is provided, as will be further described. Exemplary embodiments for theservice 119 initiation, for example, involving thelicense 127, will now be described. - FIG. 6 illustrates an exemplary workflow for when the
Web Services Client 103 knows, for example, in advance, that thelicense 127 is to be included in themessage 121 for theservice 119 initiation in the NetworkedServices Licensing System 100 of FIG. 1. As shown in FIG. 6, atstep 601, for example, such information can be obtained through various mechanisms, such as by obtaining information from a Web site, e-mail, facsimile, phone call, and the like. Atstep 603, for example, thelicense 127 can be encoded as part of theservice 119request message 121, which, atstep 605, is transmitted to theWeb Services Provider 101. According to an exemplary embodiment, thelicense 127 can be encoded in themessage 121, manually, automatically, and the like, and employ a messaging protocol, for example, including a SOAP header, the messaging protocols of the further described exemplary embodiments, and the like. - FIG. 7 illustrates an exemplary workflow for when the
Web Services Client 103 knows, for example, via a servicedescription language file 709, such as a WSDL file stored in a UDDI-basedservice discovery server 707, and the like, that thelicense 127 is to be included in themessage 121 for theservice 119 initiation in the NetworkedServices Licensing System 100 of FIG. 1. As shown in FIG. 7, atstep 701, for example, theWSDL file 709 is retrieved from theUDDI server 707, manually, automatically, and the like. Atstep 703, for example, the license can be encoded 127 as part of theservice 119request message 121, which, atstep 705, is transmitted to theWeb Services Provider 101. According to an exemplary embodiment, thelicense 127 can be encoded in themessage 121, manually, automatically, and the like, and employ a messaging protocol, for example, including a SOAP header, the messaging protocols of the further described exemplary embodiments, and the like. - FIG. 8 illustrates an exemplary workflow for when the
Web Services Client 103 knows, for example, via a servicedescription language file 709, such as a WSDL file stored in the UDDI-basedservice discovery server 707, and the like, that thelicense 127 can be obtained from theLicense Generation Service 105 of the NetworkedServices Licensing System 100 of FIG. 1. As shown in FIG. 8, atstep 801, for example, a user at theWeb Services Client 103 retrieves, manually, automatically, and the like, the WSDL file 709 from theUDDI server 707, wherein the service description in theWDSL file 709 includes a reference to a service, such as theLicense Generation Service 105, and the like, that can be used to issue thelicense 127 for theservice 119. Atstep 803, the user at theWeb Services Client 103, for example, initiates theLicense Generation Service 105. - At
step 805, for example, after satisfying conditions, such as payment of a fee for thelicense 127, and the like, theWeb Services Client 103 obtain thelicense 127, manually, automatically, and the like, from theLicense Generation Service 105. Atstep 807, the user at theWeb Services Client 103, for example, encodes thelicense 127 as part of theservice 119request message 121, which then is transmitted to theWeb Services Provider 101. According to an exemplary embodiment, thelicense 127 can be encoded in themessage 121, manually, automatically, and the like, and employ a messaging protocol, for example, including a SOAP header, the messaging protocols of the further described exemplary embodiments, and the like. - FIG. 9 illustrates an exemplary workflow for when the
Web Services Client 103 does not know that thelicense 127 is to be employed for gaining access to theservice 119 in the NetworkedServices Licensing System 100 of FIG. 1. As shown in FIG. 9, atstep 901, for example, theWeb Services Client 103 attempts to invoke and/or request theservice 119 from theWeb Services Provider 101, via theservice 119request message 121, which does not include thelicense 127. Atstep 903, theWeb Services Provider 101 processes theservice 119request message 121, and determines thatservice 119request message 121 does not include thelicense 127. Atstep 905, theWeb Services Provider 101 transmits, for example, anerror message 907, and the like, indicating that thelicense 127 is to be employed for gaining access to theservice 119 of theWeb Services Provider 101. At this point, theWeb Services Client 103 can attempt to obtain thelicense 127, for example, employing the previously described methods of FIGS. 6-8, and as will be further described. According to an exemplary embodiment, themessages - FIG. 10 illustrates an exemplary workflow for when the
Web Services Client 103 attempts to gain access to theservice 119 without thelicense 127, is informed that thelicense 127 is to be employed, as shown in FIG. 9, and obtains thelicense 127 for gaining access to theservice 119, using the method described in FIG. 8, in the NetworkedServices Licensing System 100 of FIG. 1. However, any suitable method for obtaining a license, such as the methods of FIGS. 6-8, and the like, can be employed to obtain thelicense 127. - Accordingly, as shown in FIG. 10, at
step 1001, for example, theWeb Services Client 103 attempts to invoke and/or request theservice 119 from theWeb Services Provider 101, via theservice 119request message 121, which does not include thelicense 127. Atstep 1003, theWeb Services Provider 101 processes theservice 119request message 121, and determines thatservice 119request message 121 does not include thelicense 127. Atstep 1005, theWeb Services Provider 101 transmits, for example, theerror message 907, and the like, indicating that thelicense 127 is to be employed for gaining access to theservice 119 of theWeb Services Provider 101. - The Web Services
Client 103, then, determines that theLicense Generation Service 105, and the like, that can be used to issue thelicense 127 for theservice 119. Atstep 1007, a user at theWeb Services Client 103, for example, initiates theLicense Generation Service 105. Atstep 1009, for example, after satisfying conditions, such as payment of a fee for thelicense 127, and the like, theWeb Services Client 103 obtain thelicense 127, manually, automatically, and the like, from theLicense Generation Service 105. Atstep 1011, the user at theWeb Services Client 103, for example, encodes thelicense 127 as part of theservice 119request message 121, which then is transmitted to theWeb Services Provider 101. According to an exemplary embodiment, thelicense 127 can be encoded in themessage 121, manually, automatically, and the like, and employ a messaging protocol, for example, including a SOAP header, the messaging protocols of the further described exemplary embodiments, and the like. - According to the exemplary embodiments, a separation of authority between the generation of the
license 127 and the issuing of thelicense 127 can be provided. For example, the issuing of thelicense 127 can signify that the issuer of thelicense 127 authorizes the rights in thelicense 127. Advantageously, such separation of authority provides for various exemplary embodiments, for example, as illustrated by the following exemplary workflows. - FIG. 11 illustrates an exemplary workflow for when an
Enterprise 1111 out-sources thelicense 127 generation for gaining access to a service in the NetworkedServices Licensing System 100 of FIG. 1. The exemplary workflow of FIG. 11 can be used, for example, in combination with the exemplary embodiments described herein. In FIG. 11, theEnterprise 1111, such as theBusiness Entity B 303, and the like, can out-source thelicense 127 generation to a service, such as theLicense Generation Service 105, and the like, according to an exemplary embodiment. Advantageously, in this manner, resources related to the task of thelicense 127 generation can be freed up for theEnterprise 1111. - Services of the
Enterprise 1111 for which authorization to allow access is desired, and for which thelicenses 127 can be generated, can include, for example, services owned by theEnterprise 1111, services owned by business partners of theEnterprise 1111, theservice 119 provided by theWeb Services Provider 101, and the like. The task of authorizing grants in thelicense 127, for example, thelicense 127 issuing, can include digitally signing thelicense 127, vialicense signing mechanism 1115, and the like, and can remain with theEnterprise 1111. In this exemplary embodiment, theEnterprise 1111 would have authorization to issue thelicenses 127, for example, implicitly, as when theEnterprise 1111 owns the service in question, explicitly, as through thedistribution license 305 granting the Enterprise the right to issue thelicenses 127 on behalf of another business entity, and the like. - Accordingly, at
step 1101, for example, one or more clients and/orend users 1113, such theWeb Services Client 103, and the like, can request thelicenses 127 from theEnterprise 1111. If theEnterprise 1111 decides to issue the requestedlicenses 127 to the clients and/orend users 1113, atstep 1103, for example, theEnterprise 1111 requests unsigned licenses from theLicense Generation Service 105. In a further exemplary embodiment, theEnterprise 1111 can make such request for the unsigned licenses, for example, because theEnterprise 1111 may wish to “push” thelicenses 127 onto the clients, such as for advertising purposes, promotional purposes, and the like. TheEnterprise 1111 can communicate with theLicense Generation Service 105, and make the request for the unsigned licenses, using any suitable messaging protocol, such as the license protocol of the exemplary embodiments described herein. - At
step 1105, for example, theLicense Generation Service 105 processes the request for the unsigned licenses, creates the unsigned licenses using any suitable license generation technique, such as the license generation techniques of the exemplary embodiments described herein, and delivers the unsigned licenses to theEnterprise 1111. Atstep 1107, for example, theEnterprise 1111 signs the license, and, atstep 1109, delivers, transmits, conveys, issues, and the like, the signedlicenses 127 to the clients and/orend users 1113. - The exemplary workflow, wherein the
Enterprise 1111 out-sources the license generation and signing, is similar to that of FIG. 11, except that theLicense Generation Service 105 also can perform the signing of the unsigned licenses to generate thelicenses 127. In this exemplary embodiment, theLicense Generation Service 105 can be configured, for example, as a “proxy” signer, and the like, for theEnterprise 1111. TheLicense Generation Service 105, for example, can safeguard a signing key used to sign the unsigned licenses on behalf of theEnterprise 1111. Accordingly, although the issuing party is theEnterprise 1111, theLicense Generation Service 105 can act as a proxy for theEnterprise 111. Since theLicense Generation Service 105 maintains, safeguards, and the like, the signing keys, a requester of thelicense 127, advantageously, can be authenticated to prevent spoofing of the service, and the like. - FIG. 12 illustrates an exemplary workflow for when a plurality of
Enterprises 1111 out-source thelicense 127 generation for gaining access to a service in the NetworkedServices Licensing System 100 of FIG. 1. The exemplary workflow of FIG. 12 can be used, for example, in combination with the exemplary embodiments described herein. As shown in FIG. 12, from the perspective of theLicense Generation Service 105, advantageously, theLicense Generation Service 105 can provide the license request, atstep 1103, license delivery, atstep 1105, and the like, services to the plurality ofEnterprises 1111. In this exemplary embodiment, each of theEnterprises 1111, for example, can be associated with a corresponding account, and theLicense Generation Service 105 can be configured to manage thelicenses 127 issued on behalf of the plurality ofEnterprises 1111, for example, on a per-account basis, and the like. - The
License Generation Service 105 can utilize any suitable method for generating the licenses of the exemplary embodiments, for example, including the following exemplary methods, as will be described. The exemplary methods, advantageously, can be used to generate various types of licenses, such as thelicenses 127, thedistribution license 305, and the like. - FIG. 13 illustrates an exemplary method for license generation, based on
license templates 1301, that can be used in the NetworkedServices Licensing System 100 of FIG. 1. As shown in FIG. 13, in this exemplary method, theLicense Generation Service 105, for example, manageslocal license templates 1301, andlicense generation policies 1303, under which thetemplates 1301 are used to generate a license, and the like. Thetemplates 1301 and thepolicies 1303 can be created under the agreement of the authorizing entity, for example, an entity that can utilize theLicense Generation Service 105 in an out-source type of arrangement, and the like. - The
license templates 1301, for example, can include predefined licenses, wherein one or more fields thereof are replaced, filled-in, and the like, when the license is generated. For example, thelicense templates 1301 can include a license template where the principal is not defined, and can replaced by a specific principal, where a resource, such as theservice 119, is undefined, and replaced by a specific resource, and the like, at the time of license generation. - The
license generation policies 1303, for example, can include rules for determining which templates to use, based on the request, and the like. For example, a policy can include a rule, such as “every request for a license involving a specific resource shall usetemplate 123,” “every request from company ABC will use the template ID 456 and resolve/replace the principal with the principal transmitted in the request,” and the like. - Accordingly, a
license request message 1305 transmitted to theLicense Generation Service 105 can includeparameters 1307, such as a principal identification/key, resource ID, template ID, and the like, to allow for the generation of a corresponding license based thereon. The specification for theparameters 1307, for example, can be arranged manually, automatically, before-hand, codified in a WSDL description of the service, predetermined, and the like. - FIG. 14 illustrates an exemplary method for license generation, based on an authorizing
license 1401, that can be used in the NetworkedServices Licensing System 100 of FIG. 1. In this exemplary method, theLicense Generation Service 105 receives along with therequest 1305, the authorizinglicense 1401 that authorizes the issuing of a license, and which includes the grant or grants that are to be issued. Accordingly, the authorizinglicense 1401 can include, for example, a license prototype, recipe, and the like. In this manner, local templates typically do have to be employed, as the templates can be defined in the authorizinglicense 1401. This method can be employed, for example, using a rights language, such as XrML, and the like, that is capable of encoding the recipe to generate the grants within the authorizinglicense 1401. - Accordingly, the
license request message 1305 transmitted to theLicense Generation Service 105 can include theparameters 1307, such as a principal identification/key, resource ID, and the like, to allow for the generation of a corresponding license based thereon. The specification for theparameters 1307, for example, can be arranged manually, automatically, before-hand, codified in a WSDL description of the service, predetermined, and the like. - The method of the exemplary embodiment can provides more flexibility than the exemplary method of FIG. 13. For example, by transmitting the instructions, recipe, license prototype, and the like, for creating a license, advantageously, the
License Generation Service 105 can produce various types of licenses, not just licenses defined by thelicense templates 1301. In addition, theLicense Generation Service 105 can determine by, for example, evaluating and/or interpreting the authorizinglicense 1401 transmitted along with therequest 1305, if issuance of a license has been authorized. - The license prototypes can include, for example, grants that are part of the authorizing
licenses 1401 within the grant to issue licenses. Thus, the license prototypes can include, for example, grants from which final grants can be created. Such grants are related to the right to issue licenses included in the authorizinglicense 1401. - FIG. 15 illustrates an exemplary method for the
license 127 generation, based on alicense prototypes 1503, for example, within a context of rights language, such as the XrML language, and the like, and that can be in the NetworkedServices Licensing System 100 of FIG. 1. As shown in FIG. 15, anincoming request 1305 includes the authorizinglicense 1401, including thelicense prototype 1503 having zero or more variables “X.” Then, atstep 1501, for example, theLicense Generation Service 105 processes therequest 1305 to generate theresultant license 127, by employing thelicense prototype 1503, and resolving the variables fromlicense prototype 1503 withinformation 1507 from an issuedlicense 1501. - FIG. 16 illustrates an exemplary method for license generation, from scratch, that can be used in the Networked
Services Licensing System 100 of FIG. 1. In FIG. 16, another exemplary method of generating licenses, for example, includes generating licenses from “scratch.” In this exemplary method, theLicense Generation Service 105 typically does not rely on thelicense templates 1301, and/or the authorizing licenses 1401. Instead, theLicense Generation Service 105 takes instructions received in the form ofdetailed parameters 1601 received along with therequest 1305 to generate a license, and then generates custom license therefrom. With this exemplary method, theLicense Generation Service 105 can generate various types of licenses, rights expressions, and the like, based on appropriatedetailed parameters 1601. However, the richness of the type of license than can be produced by this exemplary method, for example, can depend on the API employed for programming, and/or messaging, the capabilities of the underlying software, and the like. Accordingly, in this exemplary method, the employed programming and/or messaging interface can be configured so as to be sufficiently detailed to be able to transmit the information included in thedetailed parameters 1601 needed to construct a full custom license. For example, such information can include information about the principal, information about the resource, information about the rights, information about conditions, and the like, that can be employed to construct a license. - Interpretation of a license, such as the
license 127, thedistribution license 305, and the like, for example, can include determining what right has been granted in the license, what conditions, if any, are associated with such grant, and the like. In an exemplary embodiment, the related process of validating the license can be bundled, associated, related, and the like, with the task of interpreting the license. However, according to a further exemplary embodiment, the license validation process can be separate from the process of license interpretation. - FIG. 17 illustrates an exemplary workflow for license validation that can be used in the Networked
Services Licensing System 100 of FIG. 1. Validating a license, such as thelicense 127, thedistribution license 305, and the like, as the name implies, for example, can include determining if a license is “valid,” which typically involves employing a cryptographic technique, and the like. In an exemplary embodiment, the License Validation andInterpretation Service 109, and the like, can perform the license validation process. - Accordingly, in FIG. 17, at
step 1701, for example, a license is received for validation. In an exemplary embodiment, the received license can be encrypted, for example, in order to keep the content thereof confidential, and the like. Accordingly, atstep 1703, License Decryption, for example, the license can be decrypted. If, however, the license is not encrypted, as determined bystep 1717, for example, the processes ofstep 1703 can be bypassed. In addition, if the decryption process on the received license fails, as determined bystep 1713, atstep 1715, for example, the license can be deemed invalid. In an exemplary embodiment, the encryption and/or decryption processes employed can be performed based on asymmetric cryptographic techniques, symmetrical cryptographic techniques, public key cryptographic techniques, private key cryptographic techniques, and the like. - At
step 1705, Signature Verification and/or Integrity Check, for example, the integrity of the license can be checked, including determining the integrity of the license to insure that the license has not been changed from the when the license was created, digitally signed, and the like, by an authorized issuer, and the like. If, however, the license is not signed, as determined bystep 1719, for example, the processes ofstep 1705 can be bypassed. In addition, if the verification process on the license fails, as determined bystep 1713, atstep 1715, for example, the license can be deemed invalid. - Although a license that fails the integrity check may not be trusted, a license that passes the integrity check may still entail the trusting of the key that was used to sign the license. Typically, the signer of the license is the issuer of the license. In an exemplary embodiment, the trusting of the issuer can be part of the license interpretation processes, and the verification process of
step 1705 also can be performed based on asymmetric cryptographic techniques, symmetrical cryptographic techniques, public key cryptographic techniques, private key cryptographic techniques, and the like. - At
step 1707, License Revocation Check, for example, in a similar as in the revocation of digitally signed documents, such as digital certificates, and the like, the license also can be revoked for various reasons. If, however, the license is not revoked, as determined bystep 1721, for example, the processes ofstep 1707 can be bypassed. In addition, if the license revocation check on the license fails, as determined bystep 1713, atstep 1715, for example, the license can be deemed invalid. In an exemplary embodiment, the license revocation step can determine, for example, through appropriate methods, channels, and the like, whether or not the license has been revoked. In addition, in an exemplary embodiment, a revoked license is no longer a valid, and cannot be used to authorize the granting of rights. - At
step 1709, Other Validation, for example, other validity checks, and the like, can be performed on the license. If the license passes the other validity checks employed, atstep 1711, for example, the license can be deemed valid. Similarly, if no other validity checks are employed, as determined bystep 1723, for example, the processes ofstep 1709 can be bypassed, and, atstep 1711, for example, the license also can be deemed valid. In addition, if the other validity checks on the license fail, as determined bystep 1713, atstep 1715, for example, the license can be deemed invalid. In an exemplary embodiment, the license can include additional information to attest the validity of the license, such as a validity interval, a specific issuer for the license, and the like, and expired licenses can be considered no longer valid. - The processes of
steps - FIG. 18 illustrates exemplary workflows for license interpretation and state tracking that can be used in the Networked
Services Licensing System 100 of FIG. 1. Interpreting a license, such as thelicense 127, thedistribution license 305, and the like, for example, can include determining what the license has actually has authorized, conditions of such authorization, and the like. In an exemplary embodiment, as described below, license interpretation can be implemented as a service, wherein the License Validation andInterpretation Service 109, and the like, can perform the license interpretation processes. However, according further exemplary embodiments, a license interpreter can include, for example, any suitable component, device, system, sub-system, mechanism, software, and the like, capable of interpreting a license. - According to an exemplary embodiment, the
Web Services Provider 101, upon receiving therequest 121 for theservice 119 along with thelicense 127 from theWeb Services Client 103, can validate thelicense 127, for example, to ensure the integrity, authenticity, and the like, of thelicense 127. However, according a further exemplary embodiment as described below, theWeb Services Provider 101, for example, can off-load thelicense 127 validation task to theLicense Interpretation Service 109. Advantageously, theLicense Interpretation Service 109 can maintain and/or check with external revocation mechanisms, and the like, for example, to determine if a signature associated with thelicense 127 is valid at the time thelicense 127 is used, and the like, thus, freeing up such resources and tasks for theWeb Services Provider 101. - Accordingly, in FIG. 18, at
step 1801, for example, theWeb Services Provider 101 can make thelicense interpretation request 125, and transmit thelicense 127 to theLicense Interpretation Service 109. TheWeb Services Provider 101 can pass therequest 127, for example, via any suitable communications protocol that can allow for the exchange of such queries, and the like. The interpretation of thelicense 127, for example, can include determining if therequest 121 for theservice 119 is authorized, under what conditions, if any, such authorization can be granted, and the like. Thus, such query can be, for example, in the form of “is requester X authorized to access resource Y?” and the like. - The interpretation of the
license 127 also can involve determining, for example, if an issuer trusted by theWeb Services Provider 101 has authorized thelicense 127. If, however, theWeb Services Provider 101 does not recognize, cannot trust, and the like, the issuer of thelicense 127, then a license authorizing the issuer to issue thelicense 127, such as thedistribution license 305, and the like, also can be checked. - At step,1807, for example, the result of the license interpretation process can include a response, and the like, from the
License Interpretation Service 109 to theWeb Services Provider 101, indicating whether or not requested operations, access to services, and the like, granted in a license, such as thelicense 127, thedistribution license 305, and the like, are authorized. Assuming a positive response from theLicense Interpretation Service 109, and assuming that no further conditions,such obligations 123, are employed, atstep 1809, for example, the Web Services Provider can provide a service, such as theservice 119, to a client, such as theWeb Services Client 103. - In addition, zero or
more obligations 123 that theWeb Services Provider 101 may have to perform, for example, as conditions for supplying theservice 119, and the like, can result fromLicense Interpretation Service 109 evaluating such conditions specified in thelicense 127. For example, theobligation 123 can include theWeb Services Provider 101 recording the access to theservice 119, imposing a time limit for which theservices 119 are rendered, and the like. Atstep 1811, in an exemplary embodiment, for example, theLicense Interpretation Service 109 also can leverage other services, for example, as specified in thelicense 127 and/or thedistribution license 305, such as retrieving thestate information 115, for example, including a count, a limit value, and the like, from some the other service, such as theState Tracking service 111, and the like. - Thus, according to an exemplary embodiment, a license, such as the
license 127, thedistribution license 305, and the like, can be used to specify information, such as location information, and the like, for other services, entities, and the like, such as the services, systems, sub-systems, components, devices, and the like, of the NetworkedServices Licensing System 100 of FIG. 1. In addition, the license interpretation workflow of the exemplary embodiments, for example, can employ any suitable license interpretation protocol, such as the exemplary license interpretation protocol described herein. - As described above, the
License Interpretation Service 109, in the process of interpreting a license, such as thelicense 127, thedistribution license 305, and the like, for example, can employ state information, such as thestate information 115, and the like, that can be stored in a state tracking service, such as theState Tracking Service 111, and the like. The location, protocol, and the like, for obtaining thestate information 115 can be encoded in the license, for example, based on Web services and/or languages, such as UDDI, WSDL, and the like. By virtue of validating the license, theLicense Interpretation Service 109 can assure that a link, reference, and the like, specified in the license is for an authorized service, such as theState Tracking Service 111, and the like. Accordingly, atstep 1803, for example, theLicense Interpretation Service 109 transmits a request for state tracking to theState Tracking Service 111. - The
State Tracking Service 111, however, may have to ensure that a requesting entity, such as theLicense Interpretation Service 109, can be authenticated. In an exemplary embodiment, theLicense Interpretation Service 109 can be authenticated, for example, by any suitable method, such as by presenting a license, such as thelicense 127, thedistribution license 305, and the like. Then, atstep 1805, for example, theState Tracking Service 111 provides the requestedstate 115 information to theLicense Interpretation Service 109. In an exemplary embodiment, the transfer of thestate information 115 can be made using any suitable protocol, such as the exemplary protocols described herein, and can be made secure, for example, via secured transmission Internet technologies, such as Secure Sockets Layer (SSL) technologies, and the like. - The
License Interpretation Service 109 then can use thestate information 115 received from theState Tracking Service 111, atstep 1807, for example, to complete the interpretation of the license. In an exemplary embodiment, thestate information 115 can in clued, for example, how many times theservice 119 has been accessed, a payment record, a time span, and the like. - As noted above, the
License Interpretation Service 109 also can send interpretation information to theWeb Services Provider 101, atstep 1807, for example, including theobligations 123, and the like. Once theobligations 123 are satisfied, atstep 1809, for example, theWeb Services Client 103 can exercise a right included in thelicense 127, such access to theservice 119 of theWeb Services Provider 101. - As noted above, however, the use of the
service 119 of theWeb Services Provider 101 byWeb Services Client 103, can entail obligations that may have to be fulfilled by theWeb Services Provider 101, for example, such as transfer of updatedstate information 115, and the like. Accordingly, atstep 1811, for example, theWeb Services Provider 101 establishes contact with theState Tracking Service 111 to transfer the updatedstate information 115, and the like. The location, protocol, and the like, for transferring the updatedstate information 115 to theState Tracking Service 111 can be encoded in the license, for example, based on Web services and/or languages, such as UDDI, WSDL, and the like. - By virtue of the validity of the license, the
Web Services Provider 101 can have assurance that a link, reference, and the like, specified in the license is for an authorized service, such as theState Tracking Service 111, and the like. TheState Tracking Service 111, however, may have to ensure that a requesting entity, such as theWeb Services Provider 101, can be authenticated. In an exemplary embodiment, theWeb Services Provider 101 can be authenticated, for example, by any suitable method, such as by presenting a license, such as thelicense 127, thedistribution license 305, and the like. Once validations, assurances, obligations, and the like, are satisfied, atstep 1811, for example, theWeb Services Provider 101 can transfer the updatedstate information 115 to theState Tracking Service 111. - In order to support the exemplary workflows of the described embodiments, the messages associated with the workflows, for example, used to indicate that a license may have to be employed, to request a license, to indicate that a license is valid, to indicate that a license invalid, and the like, can be encoded, using any suitable messaging protocol, such as the exemplary license protocol described herein. The exemplary license protocol, for example, can be encoded with XrML, XML, and the like, and can be included in messages that are sent between, for example, the Web Service Client and the
Web Services Provider 101. - For example, an exemplary embodiment of the license protocol, employing XML and leveraging the messaging framework of SOAP, is illustrated in Table 1. In an exemplary embodiment, SOAP elements, such as the indication of a fault through a <fault> element during the processing of a message, and the like, can be used in accordance to the SOAP specification.
TABLE 1 Exemplary License Protocol (XML/SOAP Messaging Framework) Soap Message. Elements of the license protocol are prefixed Step in Workflow with “lic:” The Web Services Provider 101<?xml version = ‘1.0’> response after the service 119<Envelop xmlns= “http://www.w3c.org/2002/06/soap-envelope” initiation without the license 127 byxmlns:lic= “http://www.xrml.org/2002/license”> the Web Services Client 103.<body> In this example, the protocol to <fault> indicate that the license 127 was not. . . provided can be encapsulated in the <details> <lic:faultDetails> element, shown in <lic:faultDetails> bold, and can include a “message” part <message> license missing </message> that can be human readable, and an <errorcode> 0001 </errorcode> “errorcode” part for machine <lic:faultDetails> processing. The message part can be </details> used for debugging. </fault> </body> </envelope> The Web Services Provider 101<?xml version = ‘1.0’> response after the Web Services Client <Envelop xmlns= “http://www.w3c.org/2002/06/soap-envelope” 103 service 119 initiation with an errorxmlns:lic= “http://www.xrml.org/2002/license”> in the license 127.<body> In this example, the protocol to <fault> indicate that there was a fault . . . condition with the license 127 can be<details> encapsulated in the <lic:faultDetails> <lic:faultDetails> element, shown in bold, and can <message> Expired License </message> include: a “message” part that can be <errorcode> 0034 </errorcode> human readable, and an “errorcode” <lic:faultDetails> part for machine processing. The </details> message part can be used for </fault> debugging. The errorcode part can be </body> a number or a string and can include a </envelope> list of error codes indicating different types of fault conditions. For example, 0034 for expired license, 0035 for un-trusted license, and the like. The error message can be followed by <?xml version =‘1.0’> this message, including information <Envelop xmlns= “http://www.w3c.org/2002/06/soap-envelope” for how to obtain the license 127.xmlns:lic= “http://www.xrml.org/2002/license” In this example, the fault message and xmlns:x= “http://www.xrml.org/2002/xrmlCore”> the license information message can <body> be bundled together. In the sample <fault> message, the fault message indicates . . . that the license 127 was not provided,<details> and the other message provides <lic:faultDetails> information on where to obtain the <message> License Missing </message> license 127.<errorcode> 0034 </errorcode> The element <lic:RetrievalInfo>, <lic:faultDetails> shown in bold, provides information </details> on where to get the license 127 and</fault> what kind of license can be employed. <lic:RetrievalInfo> In the sample message, a UDDI <x:serviceReference> reference can be given, corresponding <x:uddi> to the License Generation Service 105.<x:serviceKey> In addition, a license with a grant of <x:uddi>E234s-asdfa-. . . </x:uddi> principal equal to the identity of the </x:serviceKey> requester and of right </x:uddi> “retrieveAnyDocument” can be </x:serviceReference> employed. Further, a particular issuer <x:forAll varName= “requester” /> can be employed as the issuer of the <x:grant> license 127.<x:principal varRef= “requester” /> The license prototype 1503 or the type<ws:retrieveAnyDocument /> of license 127 employed to access the</x:grant> service 119 can be encoded with a<x:issuer> rights language (for example, XrML, . . . . as in this example). </x:issuer </lic retrievalInfo> </body> </envelope> The Web Services Client 103<?xml version =‘1.0’> requesting the license 127.<Envelop xmlns= “http://www.w3c.org/2002/06/soap-envelope” In this example, a requester, such as xmlns:lic= “http://www.xrml.org/2002/license” the Web Services Client 103, sends axmlns:x= “http://www.xrml.org/2002/xrmlCore” > message to the License Generation <header> Service 105 in order to obtain the<wsse:security xmlns:wsse= “. . .”> license 127. (For example, it can be<wsse:binarySecurityToken assumed that the requester has been id= “myToken” authorized to get a license and knows valueType= “wsse:x509v3” how to locate and interface with the MIIEZzCCA9CgAwIBgIQEmtJZC0. . . License Generation Service 105). </wsse:binarySecurityToken> The message encapsulates the </wsse:security> following elements, for example: </header> A credential element in the <body> <wsse:security> element in the <lic:request type= “licenseGen”> <header> section -in the form of an <x:forAll varName= “requester” > X509 certificate <“the wsse:security value” /> A request in the <lic:request> element </forAll> in the <body> section, shown in bold. <x:grant> The <lic:request> element can include <x:principal varRef= “requester” /> a prototype grant identifying the <ws:access /> service in question. It also can say <x:serviceReference> that the principal is to be resolved at <x:uddi>E234s-asdfa-. . . </x:uddi> the time the license 127 is created.<x:details> Also, there can be a type associated . . . with the <lic:request> element. </x:details> The output of such request (for </x:serviceReference> example, if authorized) can be a </x:grant> license 127 that can be transmitted</lic:request> inside a message to the requester. </body> There are numerous ways to pass the </envelope> information in the message. The example is one of such many ways. Each of the previously described methods can employ a separate “flavor” of the protocol. The License Generation Service 105<?xml version =‘1.0’> delivers the license 127 to a requester,<Envelop xmlns= “http://www.w3c.org/2002/06/soap-envelope” such as Web Services Client 103.xmlns:lic= “http://www.xrml.org/2002/license” In this example, the license can be xmlns:x= “http://www.xrml.org/2002/xrmlCore” > returned as a fully formed license as <header> part of the body of the message. . . . With SOAP, typically, there is no need </header> for an additional protocol, as shown in <body> the example. However, with other <x:license> mechanisms, there may be a need to <x:grant> include the license within a “wrapper” . . . in the form of </x:grant> <lic:Response>. . .</lic:Response> to . . . indicate that the enclosed license is a </x:license> response to a request and not a license . . . that was generated for other purposes. </body> </envelope> The Web Services Client 103<?xml version =‘1.0’> transmits the license 127 (for example, <Envelop xmlns= “http://www.w3c.org/2002/06/soap-envelope” as token to gain access to the service xmlns:lic= “http://www.xrml.org/2002/license” 119) with service initiation message. xmlns:x= “http://www.xrml.org/2002/xrmlCore”> In this example, transmitting the <header> license 127 as a token for access to the<wsse:security xmlns:wsse=“. . .”> service 119, leverages the semantics of</wsse:security> the messaging protocol, in SOAP, <x:license> which is a security token passed in the <x:grant> header portion of the message. . . . With SOAP, typically, there is no need </x:grant> for an additional protocol, as shown in . . . the example. However, with other </x:license> mechanisms, there may be a need to </wsse:security> include the license within a “wrapper” . . . in the form of </header> <lic:security>. . .</lic:security> to <body> indicate that the enclosed license 127. . . is a license to gain access to the </body> service 119.</envelope> - The exemplary license interpretation protocol, as illustrated in Table 2, for example, can be part of the license protocol. The license interpretation protocol is discussed separately, for the sake clarity. The
Web Services Provider 101 can use the license interpretation protocol, for example, when invoking theLicense Interpretation Service 109. Similar to the license protocol, the license interpretation protocol can be implemented so as to leverage a messaging exchange protocol, for example, SOAP, and the like, and transmit XrML messages, XML messages, and the like. Table 2 shows the exemplary license interpretation protocol, for example, as XML leveraging the messaging framework of SOAP, and the rights language XrML.TABLE 2 Exemplary Interpretation Protocol (XML/SOAP Messaging Framework) Soap Message. Elements of the license protocol are prefixed Step in Workflow with “lic:” The Web Services Provider 101 sends<?xml version =‘1.0’> a request message 125 to the License<Envelop xmlns= “http://www.w3c.org/2002/06/soap-envelope” Interpretation Service 109 to requestxmlns:lic= “http://www.xrml.org/2002/license” the interpretation of a license, such as xmlns:x= “http://www.xrml.org/2002/xrmlCore” > the license 127.<header> In this example, the message can . . . include several parts: <wsse:security xmlns:wsse= “. . .”> In the header, the Web Services . . . Provider 101 can sends credential,</wsse:security> including a license that authorizes the <x:license> access or use of the service <x:grant> The body of the message starts with . . . the request of type “licenseInterpret,” </x:grant> shown in bold. This is to indicate that . . . the request is for interpreting a license. </x:license> Within this element are the parameters </wsse:security> that the interpreter employs as input. . . . The example shows that a principal </header> and a resource are passed as <body> parameters signifying that the service <lic:request type= “licenseInterpret” will find the granted rights that match ID= “1234-1234-1234-1234”> those parameters. <lic:parameter principal= “x:keyholder”> Following the request is the license or MIIEZzCCA9CgAwIBgIQEmtJZC0. . . licenses to be interpreted. </lic:parameter> <lic:parameter resource= “x:uddi”> E234s-asdfa-. . . </lic:parameter> . . . </lic:request> <x:license> <x:grant> . . . </x:grant> . . . </x:license> . . . </body> </envelope> The License Interpretation Service <?xml version =‘1.0’> 109, after the license interpretation <Envelop xmlns= “http://www.w3c.org/2002/06/soap-envelope” request 125, returns the results in axmlns:lic= “http://www.xrml.org/2002/license” message. xmlns:x= “http://www.xrml.org/2002/xrmlCore” > In this example, a response 123<header> corresponding to the request is . . . encapsulated within the <lic:response> </header> element, shown in bold. In this <body> example, the returned parameters are <lic:response type= ID= “1234-1234-1234-1234”> grant fragments (for example, as <x:grant> defined in the rights language) that <ws:access/> match the principal and the resource in </x:grant> the original request. Certain <x:grant> conditions can also be resolved in the <ws:execute/> license interpreter and the result could <x:trackReport> be “simpler conditions” that are easier <x:serviceReference> to validate by the requester. <x:uddi>E234s-asdfa-. . . </x:uddi> The result in this example indicates <x:details> that the access right has been granted . . . -with no conditions or obligations, </x:details> and the right to execute has also been </x:serviceReference> granted, but with the obligation to </x:trackReport> track the exercise of this right as </x:grant> specified by the <x:trackReport> . . . element (for example, defined in the </lic:response> rights language XrML) . . . </body> </envelope> - In an exemplary embodiment, the state tracking protocol can include any suitable protocol, public, private, proprietary, standardized, the exemplary protocols as described herein, and the like, that can be used to retrieve, transfer, and the like, information, such as the
state information 115, and the like, to and from a service, such as theState Tracking Service 111, and the like. Accordingly, the state tracking protocol can be used for retrieving a count of how many times a service, such as theservice 119, and the like, has been exercised, for sending the exercise count, for storing an exercise count, and the like. - In addition, the exchange of certain types of information, such as payment information, time information, and the like, may already be standardized in a protocol by other industries, in which case, according to a further exemplary embodiment, such a standardized protocol can be included in the state tracking protocol. Further, according to a still further exemplary embodiment, a protocol may employed that can depend on the specialization, implementation, and the like, of the
State Tracking Service 111. For example, if the State Tracking Service includes a database, then the retrieval and storage of information can be performed via a database query mechanism, and the like. - Exemplary use scenarios, business applications, and the like, that can be supported by the exemplary embodiments of the Networked
Services Licensing System 100 of FIG. 1, as will now be described. - FIG. 19 illustrates an exemplary workflow for specifying a license that can be used in the Networked
Services Licensing System 100 of FIG. 1. In this example, a service, such as a Web-based License Generation andInterpretation Service 1907 based on, for example, theLicense Generation 105 andInterpretation 109 Services of the exemplary embodiments, and the like, can allow for the specification of rights, the interpretation of rights, and the like, for generating a license, such as thelicense 127 and/or thedistribution license 305, and the like. According to an exemplary embodiment, the License Generation andInterpretation Service 1907, for example, can be employed as a building block for systems, such as a Rights Clearing Service, a Digital Asset Management System, a Digital Rights Management System, and the like. - The License Generation and
Interpretation Service 1907, in an exemplary embodiment, can include, for example, providing a user interface, such as a Graphical User Interface (GUI), and the like, converting user input into a rights expression, such as a license, based on a rights language, such as XrML, and the like. The License Generation andInterpretation Service 1907, according to a further exemplary embodiment, for example, can also provide one or more user interfaces, each specializing in a particular format, industry, and the like. For example, the License Generation andInterpretation Service 1907 can provide a user interface for video formats, another user interface for music formats, a still further user interface for electronic books, and the like. Advantageously, providing user interfaces tailored to the specific details and/or intricacies of a particular audience, for example, can be a value-added feature, and the like, of the License Generation andInterpretation Service 1907. - Accordingly to an exemplary embodiment, the License Generation and
Interpretation Service 1907, for example, can include accepting rights queries, processing the rights queries against corresponding rights expressions, and the like. For example, an exemplary rights query can be of the form “Does John M., who is an employee of Company N, have the right to purchase up to $1000 worth of supplies from Supplier P?,” and the like. The output from such a query, for example, can include an assertion about what rights are available, what conditions are attached to such rights, and the like. The License Generation andInterpretation Service 1907 can add further value, for example, by providing one or more user interfaces that facilitate user input for a particular type of rights query, and the like. - Advantageously, employing the same entity for providing both rights specification, and rights interpretation functions, for example, allows for an increase in consistency, accuracy, and the like, in interpreting the rights. In other words, a system that creates the rights specification typically is better equipped to apply the same rules when interpreting such rights. In an exemplary embodiment, the rights expression, the rights expression definitions, the rights expression interpretations, and the like, can be based on any suitable standard, including industry standards, and the like.
- Accordingly, in an exemplary embodiment, a
user 1919, an author, for example, wishes to specify the rights associated with some type content in relation to a contract with a publisher. Anauthoring application 1909 that theuser 1919 employs does not provide a way to specify rights metadata for the content, but can call a Web service, such as the License Generation andInterpretation Service 1907 that provides such a function. - Accordingly, at
step 1901, for example, the authoring application connects to License Generation andInterpretation Service 1907 that provides rights specification, interpretation, and the like. For example, the License Generation andInterpretation Service 1907 can specialize in certain industries and provide a user interface with terminology, contract templates, and the like, that can be used and understood in that particular industry, trade, and the like. Theuser 1919 interacts with the License Generation andInterpretation Service 1907, and, atstep 1903, for example, the License Generation andInterpretation Service 1907 converts the information theuser 1919 provides into a rights expression, for example, an unsigned license, based on XrML, and the like. The unsigned license is then returned, conveyed, transmitted, and the like, to theuser 1919, and theuser 1919 can digitally sign the license. - At
step 1905, for example, theuser 1919 can send the signed license, for example, together with the associated content, to a DigitalAsset Management System 1913 of the publisher, and, for example, including alicense store 1915, such as a database and the like. The content can now be managed by the DigitalAsset Management System 1913, for example, within a domain, and the like, of the publisher. - FIG. 20 illustrates an exemplary workflow for interpreting a license that can be used in the Networked
Services Licensing System 100 of FIG. 1. For example, in FIG. 20, during a production workflow for a publication, Bob, a rights specialist, wishes to query the rights of a particular asset of the DigitalAsset Management System 1913. In this example, the rights of the asset are encapsulated, for example, by an XrML license. The DigitalAsset Management System 1913, for example, not having a capability to interpret licenses, for example, by design, because a Web service can provide more specialized capabilities, and the like, accesses the License Generation andInterpretation Service 1907, which provides, for example, an intuitive user interface, such as a GUI, and the like. Advantageously, the License Generation andInterpretation Service 1907 can specialize in interpretation of certain types contracts, licenses, and the like, and allow the operation of the user interface to query the rights that can be employed for a particular publication. In an exemplary embodiment, the License Generation andInterpretation Service 1907 can include, for example, an indexed database where licenses are stored, organized, and the like. - Accordingly, at
step 2001, for example, Bob sends a query along with the XrML license, for example, through the DigitalAsset Management System 1913, to the License Generation andInterpretation Service 1907. Then, atstep 2003, for example, the License Generation andInterpretation Service 1907 interprets the rights included in the license based on the query request, and returns the result of the query to Bob. - Although the exemplary rights processing workflow described above can be a function provided by a Web service, such as the License Generation and
Interpretation Service 1907, the workflow does not describe the process for calling, accessing, and the like, the License Generation andInterpretation Service 1907. For example, in an exemplary embodiment, the XrML license is not used for accessing the License Generation andInterpretation Service 1907. Accordingly, the rights processing functions can be generic functions provided by a Web service, such as the License Generation andInterpretation Service 1907, and the like, and, for example, can be described with any suitable standards-based language for describing Web services, such as WSDL, and the like. - In many business scenarios, however, it can become advantageous to manage access to a service, such as the License Generation and
Interpretation Service 1907, and the like. For example, auser 2005, the owner of the Web-based License Issuing andInterpretation Service 1907 has been providing the service to anyone that can discover his offering, can use the service, and the like. However, the License Generation andInterpretation Service 1907 of theuser 2005 has become quite successful, and theuser 2005 now wishes to commercialize the License Issuing andInterpretation Service 1907. According to an exemplary embodiment, theuser 2005 can add an e-commerce capability to the License Issuing andInterpretation Service 1907. - Accordingly, the
user 2005, for example, could add an e-commerce package to the License Issuing andInterpretation Service 1907, which can entail the creation of various mechanisms, such as a customer account processing mechanism, a financial transaction processing mechanism, a login and password processing mechanism, and the like. However, such a service can create barriers for the service and its customers. For example, the login process, the handling forgotten passwords, the processing of payments, the determining of how much to charge, the determining of what methods to employ, and the like, could become cumbersome. - Therefore, according to a further exemplary embodiment, the
user 2005 can configure the License Issuing andInterpretation Service 1907, for example, such that access is granted based on a presentation of a license, for example, manually, automatically, and the like. Conceptually, such a system can include, for example, submitting a license during the initial communication protocol with the License Issuing andInterpretation Service 1907. In an exemplary embodiment, a client of the License Issuing andInterpretation Service 1907 and the License Issuing andInterpretation Service 1907 can follow any suitable license protocol, such as the exemplary license protocol described herein. In this exemplary embodiment, a license, such as an XrML license, and the like, can be presented, for example, when an application communicates with the License Issuing andInterpretation Service 1907. If the license validates, the services of the License Issuing andInterpretation Service 1907 can be rendered. - In the examples of FIGS. 19 and 20, the authoring application can be configured to include the capability to present a license, for example, when the application requests services from License Issuing and
Interpretation Service 1907. FIG. 21 illustrates an exemplary workflow for controlling consumption of a service that can be used in the NetworkedServices Licensing System 100 of FIG. 1. In FIG. 21, atstep 2101, for example,authoring application 1909 of theuser 1919 communicates with the License Issuing andInterpretation Service 1907 and requests service. Atstep 2103, for example, during the initial protocol, a license is presented in order to access the services of the License Issuing andInterpretation Service 1907. Then, atstep 2105, for example, upon acceptance of the license, the License Issuing andInterpretation Service 1907 can render its services. - The
user 2005 now ponders the question of who would issue the licenses that are used to access the License Issuing andInterpretation Service 1907. According to an exemplary embodiment, theuser 2005 can configure the License Issuing andInterpretation Service 1907 to manage the issuing of the licenses. However, this can become quite taxing to the system and himself. - In addition, the
user 2005 would have develop and maintain an e-commerce site and a database for his customers. However, theuser 2005 figures that managing a customer database is not something that will add value to the License Issuing andInterpretation Service 1907, and does not see the economic potential of maintaining and/or data-mining the customer database. - Accordingly, the
user 2005 would rather keep the License Issuing andInterpretation Service 1907 simple, allowing theuser 2005 to focus on the basic capabilities and functionality of the service. Therefore, according to a further exemplary embodiment, theuser 2005 can configure the License Issuing andInterpretation Service 1907 to employ licenses, for example, that can be issued by a trusted third party, bundled with theauthoring application 1909, and the like. - FIG. 22 illustrates an exemplary workflow for issuing licenses by a third party that can be used in the Networked
Services Licensing System 100 of FIG. 1. For example, in an exemplary embodiment, theuser 2005 can issue licenses to business partners of theuser 2005, for example, granting the right to issue licenses for access to License Issuing andInterpretation Service 1907, such as thedistribution license 305, and the like. The business partners of theuser 2005 then can issue the distribution licenses to end-users, such as theuser 1919. - For example, the business partners the
user 2005 can include companies, for example, such asCompany ABC 2207 that creates and sells theauthoring applications 1909, such as word processors, image creation software, and the like. Atstep 2201, for example, theuser 2005 can make a business deal with theCompany ABC 2207, for example, based on granting theCompany ABC 2207 the right to issue licenses for access to the License Issuing andInterpretation Service 1907, and the like, atstep 2203. Then, atstep 2205, for example, the licenses for accessing the License Issuing andInterpretation Service 1907 can be issued on-demand, bundled with theauthoring applications 1909, and the like, by theCompany ABC 2207. Advantageously, in this exemplary embodiment, theuser 2005 can bundle access to the License Issuing andInterpretation Service 1907 with a third party application, such as theauthoring applications 1909, and the like. - In an exemplary embodiment, the
user 2005 and/or the Company ABC can use a third party service, such the License Generation andIssuing Service 105, and the like, to generate the licenses of the exemplary embodiments. In addition, signature keys can to be obtained to sign the licenses, for example, through security services, such as theTrust Authority Service 113, and the like. - According to the exemplary embodiments, the
user 2005 can commercialize the Web-based License Issuing andInterpretation Service 1907, advantageously, without adding the resources employed to run and manage an e-commerce system. Theuser 2005 can determine the conditions for access to the License Issuing andInterpretation Service 1907, for example, by employing the licenses of the exemplary embodiments, such as XrML licenses, and the like. Advantageously, according to the exemplary embodiments, theuser 2005 does not have to deal, for example, with managing of the customer base, and the like. The improved License Issuing andInterpretation Service 1907, for example, can entail some improvement to the Web services software, such as the capability to process licenses, but the such changes can be negligible in comparison with the deployment of a full-fledge e-commerce setup. - According to exemplary embodiments, the
user 2005 can employ various compensation methods that, advantageously, can be described in a rights language, such as XrML, and the like. For example, according to an exemplary embodiment, a non-tracked, not encoded in a license, out of band, and the like, compensation method can be employed. In this exemplary compensation method, theuser 2005 can arrange a flat-fee, per-use, and the like, deal, whereby theuser 2005 can issue a distribution license, for example, granting theCompany ABC 2207 an unlimited right to issues licenses for accessing the License Issuing andInterpretation Service 1907. TheCompany ABC 2207 can compensate theuser 2005, for example, based on the number of licenses for accessing the License Issuing andInterpretation Service 1907 theCompany ABC 2207 bundles with its software, such as theauthoring applications 1909, based on a one-time payment, and the like. In this embodiment, theuser 2005 would have to trust the data that theCompany ABC 2207 collects, for example, with respect to software sales, and the like. - According to an exemplary embodiment, a tracked, encoded in a license, per distributor use, and the like, compensation method can be employed. In this exemplary compensation method, the
user 2005 can employ, for example, compensation rules, and the like, that can be encoded in the distribution license theuser 2005 issues to theCompany ABC 2207. For example, the distribution license can be configured to specify that every time the right to issue a license for accessing the License Issuing andInterpretation Service 1907 is exercised by theCompany ABC 2207, conditions may have to be met, such as the making of a payment of a certain amount to an account of theuser 2005, that each use of the distribution license is tracked and settled through other means, and the like. Advantageously, with this exemplary embodiment, accurate, trustworthy, and the like, sales information can be made possible, because accurate tracking can be enabled. - According to an exemplary embodiment, a tracked, encoded in a license, per end-user use, and the like, compensation method can be employed. In this exemplary compensation method, the distribution license that the
user 2005 issues to theCompany ABC 2207 can also specify, for example, that when an end-user license is issued, for example, by theCompany ABC 2207, certain rights, conditions, and the like, may have to be specified in the end-user licenses that theCompany ABC 2207 issues. For example, theuser 2005 can specify in the distribution license that the end-user usage of the licenses issued by theCompany ABC 2207 for accessing the License Issuing andInterpretation Service 1907 be tracked, and the like. Accordingly, when the License Issuing andInterpretation Service 1907 of theuser 2005 receives, processes, and the like, a license from theuser 1919, the license can specify the parameters to track the usage of the license. Advantageously, with this exemplary embodiment, at the end of an accounting period, such data can be gathered, processed, and the like, for payment. - In an exemplary embodiment, the
Company ABC 2207 may realize that by bundling additional services, theCompany ABC 2207 can increase its competitive advantage in the marketplace. In this exemplary embodiment, for example, theCompany ABC 2207 can reach out to other companies, Web services, and the like, such as document translator services, multilingual spell checker services, editorial tool services, and the like. Then, theCompany ABC 2207 can make business deals with such other companies and include licenses that can be used to access such additional services. Advantageously, with this exemplary embodiment, the Company ABC can aggregate several services to bundle with its products. - In an exemplary embodiment, each license, such as an XrML license, and the like, can be used to express individual rights, conditions, and the like, for each the aggregated services. For example, the license for Web service B can be expressed with a right for an unlimited use, the license for Web service C can be expressed with a condition for a maximum count of 10 uses, and the like. Advantageously, with this exemplary embodiment, employing licenses that can determine the rules for access and use of a service can facilitate service aggregation.
- According to an exemplary embodiment, the
user 2005 can issue distribution licenses to his business partners, and, in turn, his business partners can issue licenses to the end-users for accessing the License Issuing andInterpretation Service 1907. This exemplary embodiment illustrates a single tier distribution model, wherein the business partners of theuser 2005 can be the distributors for access to the services of theuser 2005. - FIG. 23 illustrates an exemplary workflow for syndication of a service that can be used in the Networked
Services Licensing System 100 of FIG. 1. According to a further exemplary embodiment, however, theuser 2005 can focus on the technical details of the Web-based License Issuing andInterpretation Service 1907, and, for example, outsource business dealings, and the like, with companies, such as theCompany ABC 2207, and the like. In this exemplary embodiment, in essence a syndication model, theuser 2005 can grant a syndication agent, such as aSyndication Company 2311, a syndication license that grants theSyndication Company 2311 the right to issue distribution licenses that grant theABC Company 2207 the right to issue licenses for accessing the License Issuing andInterpretation Service 1907. - The Networked
Services Licensing System 100, for example, as described with respect to FIGS. 1-23, can store information relating to various processes described herein. This information can be stored in one or more memories, such as a hard disk, optical disk, magneto-optical disk, RAM, and the like, of the devices and sub-systems of NetworkedServices Licensing System 100. One or more databases of the devices and subsystems of the NetworkedServices Licensing System 100 of FIG. 1 can store the information used to implement the exemplary embodiments. The databases can be organized using data structures, for example, records, tables, arrays, fields, graphs, trees, lists, and the like, included in one or more memories, such as the memories listed above, and the like. - All or a portion of the Networked
Services Licensing System 100, for example, as described with respect to FIGS. 1-23, can be conveniently implemented using one or more general-purpose computer systems, microprocessors, digital signal processors, micro-controllers, and the like, programmed according to the teachings of the exemplary embodiments. Appropriate software can be readily prepared by programmers of ordinary skill based on the teachings of the exemplary embodiments. In addition, the NetworkedServices Licensing System 100 can be implemented by the preparation of application-specific integrated circuits or by interconnecting an appropriate network of conventional component circuits. - Although the present invention is described in terms of exemplary workflows, other workflows are possible, as will be appreciated by those skilled in the relevant art(s). For example, during services initiation, typically a license is presented at the time of service request. However, it is possible that the license be presented at another time, cached, and the like, so that further service request do not entail the submission of a license. A license could be “pre-presented” and retained by the Web service, the client, and the like. The license could, after being pre-presented, be “pre-validated.” In such a case, when a request for accessing services is made it would be determined if the request is from an authorized requestor, and the license would be interpreted.
- Although the exemplary workflows are described as functional steps associated with the exemplary devices of the Networked
Services Licensing System 100, one or more of the functional steps of the exemplary workflows can be performed by any suitable device or devices, such as one or more general-purpose computer systems, microprocessors, digital signal processors, micro-controllers, and the like, programmed according to the teachings of the exemplary embodiments, as will be appreciated by those skilled in the relevant art(s). - Although the present invention is described in terms of Web services, the present invention is applicable to other services, such as any suitable distributed network service, and the like, as will be appreciated by those skilled in the relevant art(s).
- Although the present invention is described in terms of a Web services model, the present invention is applicable to other models, such as a syndication model that is replicated for services, and the like, as will be appreciated by those skilled in the relevant art(s). For example, in an exemplary embodiment, a third party collects services from service providers and makes them available singly or in combination to users as a third party service.
- In such an example, the
Web Services Provider 101 may not or, cannot provide the syndication function, but they can set some of the conditions, rights, and the like, for the services. This exemplary embodiment, thus, enables the third party service provider to provide, for example, access and tracking services to a user of the third party service on behalf of the owners of the services. Advantageously, the services market, especially for component services, can be greatly enabled, accelerated, and the like, with this exemplary embodiment. By contrast, conditional access typically cannot handle such examples well and/or may be impractical. - Although the present invention is described in terms of an “on-line” mode of operation, the present invention is applicable to other modes of operation, such as “offline” modes, and the like, as will be appreciated by those skilled in the relevant art(s). For example, a hard drive on a personal computer (PC) can include license generating software, a license, and license interpretation software. The communications protocol of the exemplary embodiments, in this example, can be employed for communications within the hard drive.
- Advantageously, the
Web Services Client 103 can present a validated license and obtain access to a Web service without having to be on-line at the time the service is obtained. For example, the service could reside on the PC hard drive, such as where the service includes the execution of a computer program, or could be obtained from or through another device, such as a server or CD or other storage medium. - To the extent an on-line transaction is employed for some reason, such as for making a financial payment, the on-line session can be conducted at a time other than at the time the request for the use of the service is made. In the case of a financial transaction, the transaction can be made off-line using a digital storage device, such as a pre-paid “smart card” and the like. In addition, any suitable information to be exchanged can be exchanged using a physical storage device instead of an on-line communication. For example, a license can be presented by inserting a smart card into the PC.
- While the present invention have been described in connection with a number of exemplary embodiments and implementations, the present invention is not so limited, but rather covers various modifications, equivalent arrangements, and the like, which fall within the purview of the appended claims.
Claims (19)
1. A method for controlling consumption of a distributed network service in accordance with rights expression information associated with said distributed network service and specifying a manner of use of said distributed network service, said method comprising:
determining said rights expression information associated with said distributed network service, said rights expression information indicating a manner of use of said distributed network service; and
controlling consumption of said distributed network service based on said rights expression information.
2. The method as recited in claim 1 , further comprising:
transmitting said rights expression information from a client to a provider of said distributed network service.
3. The method as recited in claim 2 , further comprising:
receiving said rights expression information at said client from a rights expression information issuing service.
4. The method as recited in claim 3 , further comprising:
receiving a right to issue said rights expression information at said rights expression information issuing service from a business network associated with said rights expression information issuing service.
5. The method as recited in claim 3 , further comprising:
interpreting said rights expression information transmitted from said client to said provider at a rights expression information interpretation service to determine if said provider has allowed access to said distributed network service.
6. The method as recited in claim 5 , further comprising:
interpreting said rights expression information transmitted from said client to said provider based on state data associated with said rights expression information and received from a state tracking service.
7. The method as recited in claim 6 , further comprising:
receiving at least a portion of said state data at said state tracking service from said provider.
8. The method as recited in claim 6 , further comprising:
configuring said rights expression information issuing service, said rights expression information interpretation service, and said state tracking service as a middle layer provided between a trust authority service and said service provider and said client, wherein said trust authority service manages trust relationships between said rights expression information issuing service, said rights expression information interpretation service, and said state tracking service.
9. The method as recited in claim 6 , further comprising:
configuring said rights expression information issuing service, said rights expression information interpretation service, and said state tracking service as specialized services provided by a specialized service provider provided between a trust authority service and said service provider and said client, wherein said trust authority service manages trust relationships between said rights expression information issuing service, said rights expression information interpretation service, and said state tracking service.
10. The method as recited in claim 9 , wherein said trust authority service attests to information included in a trust certificate associated with said rights expression information.
11. The method as recited in claim 1 , further comprising:
expressing said rights expression information using a rights expression language.
12. The method as recited in claim 11 , wherein said rights expression language includes a grammar-based rights expression language.
13. The method as recited in claim 12 , wherein said grammar-based rights expression language includes eXtensible rights Markup Language (XrML).
14. The method as recited in claim 1 , wherein said step of controlling access, comprises:
authorizing access to said distributed network service based on said rights expression information.
15. The method as recited in claim 1 , further comprising:
specifying in said rights expression information identification information for said distributed network service.
16. The method as recited in claim 1 , further comprising:
specifying in said rights expression information identification information for a service that is associated with said distributed network service.
17. A computer system for controlling consumption of a distributed network service in accordance with rights expression information associated with said distributed network service and specifying a manner of use of said distributed network service, said system comprising:
a distributed network services provider configured to provide said distributed network service;
a client of said provider configured to consume said distributed network service;
a license issuing server configured to determine said rights expression information associated with said distributed network service, said rights expression information indicating a manner of use of said distributed network service; and
a license interpretation server configured to control consumption of said distributed network service based on said rights expression information.
18. A computer-readable medium carrying one or more sequences of one or more instructions for controlling consumption of a distributed network service in accordance with rights expression information associated with said distributed network service and specifying a manner of use of said distributed network service, the one or more sequences of one or more instructions including instructions which, when executed by one or more processors, cause the one or more processors to perform the following steps:
determining said rights expression information associated with said distributed network service, said rights expression information indicating a manner of use of said distributed network service; and
controlling consumption of said distributed network service based on said rights expression information.
19. A system for controlling consumption of a distributed network service in accordance with rights expression information associated with said distributed network service and specifying a manner of use of said distributed network service, said system comprising:
means for determining said rights expression information associated with said distributed network service, said rights expression information indicating a manner of use of said distributed network service; and
means for controlling consumption of said distributed network service based on said rights expression information.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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