CN103188111A - Testing method and testing system for virtual leased line circuit - Google Patents
Testing method and testing system for virtual leased line circuit Download PDFInfo
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- CN103188111A CN103188111A CN2011104422210A CN201110442221A CN103188111A CN 103188111 A CN103188111 A CN 103188111A CN 2011104422210 A CN2011104422210 A CN 2011104422210A CN 201110442221 A CN201110442221 A CN 201110442221A CN 103188111 A CN103188111 A CN 103188111A
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Abstract
The embodiment of the invention discloses a testing method and a testing system for a virtual leased line (VLL) circuit. The method comprises the steps that a central server issues a first testing instruction to a first Ethernet probe; the first Ethernet probe sends a testing flow to an Ethernet interface on a first PE (provider edge); the first PE bridges the testing flow received by the Ethernet interface to an auxiliary basic data service interface through a heterogeneous medium adaptation technique; the auxiliary basic data service interface transmits the testing flow to a basic data service interface on the first PE through an auxiliary testing line; the basic data service interface sends the testing flow to an Ethernet interface of a second PE through the VLL circuit, and retransmits the testing flow to a second Ethernet probe; the first Ethernet probe and the second Ethernet probe compute together based on the testing flow to obtain a first testing result; and the first Ethernet probe reports the first testing result to the central server. According to the testing method and the testing system, the Ethernet probes are used for testing the heterogeneous medium VLL circuit in a basic data service.
Description
Technical field
The present invention relates to the communication technology, especially (Virtual Leased Line is hereinafter to be referred as the VLL) method and system of circuit test for Virtual Leased Lines.
Background technology
The VLL circuit is a kind of internet protocol-based (Internet Protocol, hereinafter to be referred as: IP)/multiprotocol label switching (Multiple protocol Label Switching, hereinafter to be referred as: MPLS) the point-to-point circuit of network, compatible asynchronous transfer mode (Asynchronous Transfer Mode, hereinafter to be referred as: ATM), plurality of access modes such as frame relay (FR) and Ethernet.Can be implemented in and carry basic data business such as ATM, frame relay on the IP/MPLS network.As shown in Figure 1, a business model schematic diagram for the VLL circuit, it is with tag distribution protocol (Label Distribution Protocol, hereinafter to be referred as: LDP), RSVP (ReSource reserVation Protocol, hereinafter to be referred as: RSVP) etc. agreement is as signaling, (Virtual Private Network is hereinafter to be referred as VPN) agreement by virtual private network in second layer networks such as MPLS tunnel emulation ATM, frame relay and Ethernets.
Fast development along with the IP technology, make that the application prospect of atm technology is very dim, atm device manufacturer is on the verge of bankruptcy, the basic data network equipment is aging, the network maintenance staff is run off, and the technical support weakness brings difficulty for the regular maintenance of basic data network, therefore, basic data such as ATM, frame relay business has been inexorable trend to the IP/MPLS network migration.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
Subscriber equipment (customer equipment, hereinafter to be referred as: when CE) being basic data business devices such as ATM switch, make that the access way at VLL circuit two ends may be different, may an end be Ethernet interface, the other end is the basic data business interface, example atm interface, Frame Relay Interface, the VLL circuit of this moment is called heterogeneous media VLL circuit.In the prior art, because ATM, frame relay instrument stop production, the heterogeneous media VLL circuit maintenance test of basic data business such as ATM, frame relay is brought very big difficulty.
Summary of the invention
Embodiment of the invention technical problem to be solved is: provide a kind of method of testing and system of Virtual Leased Lines circuit, to realize the adopting Ethernet probe to the test of heterogeneous media VLL circuit in the basic data business such as ATM, frame relay.
The method of testing of a kind of Virtual Leased Lines circuit that the embodiment of the invention provides, described Virtual Leased Lines VLL circuit is between the first edge router PE and the 2nd PE, be provided with basic data business interface and Ethernet interface on a described PE and described the 2nd PE, the interface of described VLL circuit on a PE is the basic data business interface, and described basic data business interface comprises asynchronous transfer mode ATM interface or Frame Relay Interface; Interface on the 2nd PE is Ethernet interface; Also be provided with the professional satellite interface of basic data on the described PE; The professional satellite interface of described basic data comprises ATM satellite interface or the frame relay satellite interface consistent with described basic data business interface type, is connected with described basic data business interface by the subtest circuit; Insert Ethernet interface on the described PE by the first Ethernet probe, insert Ethernet interface on the 2nd PE by the second Ethernet probe; The method of testing of described VLL circuit comprises:
Central server issues first test instruction to the first Ethernet probe, comprises the second Ethernet probe address, test assignment and test parameter configuration information in described first test instruction;
The first Ethernet probe sends the Ethernet interface on test traffic to the PE according to described test parameter configuration information and the second Ethernet probe address;
The one PE is by heterogeneous media adaptation technique, a PE gone up test traffic that Ethernet interface receives be bridged to the professional satellite interface of basic data on the PE;
The professional satellite interface of basic data on the one PE is sent to basic data business interface on the PE by the subtest circuit with test traffic;
Basic data business interface on the one PE sends to the Ethernet interface of the 2nd PE through described VLL circuit with test traffic, is transmitted to the second Ethernet probe by the Ethernet interface of the 2nd PE;
The first Ethernet probe and the second Ethernet probe calculate jointly based on test traffic and obtain first test result;
The first Ethernet probe reports first test result to central server.
The method of testing of the another kind of Virtual Leased Lines circuit that the embodiment of the invention provides, described VLL circuit is between the first edge router PE and the 2nd PE, be provided with basic data business interface and Ethernet interface on a described PE and described the 2nd PE, the interface of described VLL circuit on a PE is the basic data business interface, and described basic data business interface comprises atm interface or Frame Relay Interface; Interface on the 2nd PE is Ethernet interface; Also be provided with the professional satellite interface of basic data on the described PE; The professional satellite interface of described basic data comprises ATM satellite interface or the frame relay satellite interface consistent with described basic data business interface type, is connected with described basic data business interface by the subtest circuit; Insert Ethernet interface on the described PE by the first Ethernet probe, insert Ethernet interface on the 2nd PE by the second Ethernet probe; The method of testing of described VLL circuit comprises:
Central server issues second test instruction to the second Ethernet probe, comprises the first Ethernet probe address, test assignment and test parameter configuration information in described second test instruction;
The second Ethernet probe sends the Ethernet interface on test traffic to the two PE according to described test parameter configuration information and the first Ethernet probe address;
Ethernet interface on the 2nd PE sends to test traffic through described VLL circuit the basic data business interface of the 2nd PE;
The basic data business interface of the 2nd PE is sent to the professional satellite interface of basic data on the PE by the subtest circuit with test traffic;
The one PE is by heterogeneous media adaptation technique, a PE gone up test traffic that the professional satellite interface of basic data receives be bridged to Ethernet interface on the PE, is transmitted to the first Ethernet probe by the Ethernet interface of a PE;
The second Ethernet probe and the first Ethernet probe calculate jointly based on test traffic and obtain second test result;
The second Ethernet probe reports second test result to central server.
The test macro of a kind of Virtual Leased Lines circuit that the embodiment of the invention provides, comprise central server and IP/MPLS network, described IP/MPLS network comprises a plurality of PE, be provided with the VLL circuit between a PE in a plurality of PE and the 2nd PE, be provided with basic data business interface and Ethernet interface on a described PE and described the 2nd PE, the interface of described VLL circuit on a PE is the basic data business interface, and described basic data business interface comprises atm interface or Frame Relay Interface; Interface on the 2nd PE is Ethernet interface; Also be provided with the professional satellite interface of basic data on the described PE; The professional satellite interface of described basic data comprises ATM satellite interface or the frame relay satellite interface consistent with described basic data business interface type, is connected with described basic data business interface by the subtest circuit; The test macro of described VLL circuit comprises that also inserting a described PE goes up the first Ethernet probe of Ethernet interface and insert the second Ethernet probe that the 2nd PE goes up Ethernet interface;
Described central server is used for issuing first test instruction to the first Ethernet probe, comprises the second Ethernet probe address, test assignment and test parameter configuration information in described first test instruction; And receive first test result that the first Ethernet probe reports;
The described first Ethernet probe is used for according to described test parameter configuration information and the second Ethernet probe address, sends the Ethernet interface on test traffic to the PE; And calculate jointly based on test traffic with the second Ethernet probe and to obtain first test result and to report described central server;
A described PE is used for by heterogeneous media adaptation technique, a PE is gone up test traffic that Ethernet interface receives be bridged to the professional satellite interface of basic data on the PE; The professional satellite interface of basic data on the one PE is sent to basic data business interface on the PE by the subtest circuit with test traffic; Basic data business interface on the one PE sends to test traffic through described VLL circuit the Ethernet interface of the 2nd PE;
Described the 2nd PE is used for by the Ethernet interface on the 2nd PE test traffic being transmitted to the second Ethernet probe;
The described second Ethernet probe is used for calculating to obtain first test result jointly based on test traffic with the first Ethernet probe.
The test macro of the another kind of Virtual Leased Lines circuit that the embodiment of the invention provides, comprise central server and IP/MPLS network, described IP/MPLS network comprises a plurality of PE, be provided with the VLL circuit between a PE in a plurality of PE and the 2nd PE, be provided with basic data business interface and Ethernet interface on a described PE and described the 2nd PE, the interface of described VLL circuit on a PE is the basic data business interface, and described basic data business interface comprises atm interface or Frame Relay Interface; Interface on the 2nd PE is Ethernet interface; Also be provided with the professional satellite interface of basic data on the described PE; The professional satellite interface of described basic data comprises ATM satellite interface or the frame relay satellite interface consistent with described basic data business interface type, is connected with described basic data business interface by the subtest circuit; The test macro of described VLL circuit comprises that also inserting a described PE goes up the first Ethernet probe of Ethernet interface and insert the second Ethernet probe that the 2nd PE goes up Ethernet interface;
Described central server is used for issuing second test instruction to the second Ethernet probe, comprises the first Ethernet probe address, test assignment and test parameter configuration information in described second test instruction; And receive second test result that the second Ethernet probe reports;
The described second Ethernet probe is used for according to described test parameter configuration information and the first Ethernet probe address, sends the Ethernet interface on test traffic to the two PE; And calculate jointly based on test traffic with the first Ethernet probe and to obtain second test result and to report described central server;
Described the 2nd PE is used for test traffic being sent to the basic data business interface of the 2nd PE through described VLL circuit by the Ethernet interface on the 2nd PE; The basic data business interface of the 2nd PE is sent to the professional satellite interface of basic data on the PE by the subtest circuit with test traffic;
A described PE is used for by heterogeneous media adaptation technique, a PE is gone up test traffic that the professional satellite interface of basic data receives be bridged to Ethernet interface on the PE, is transmitted to the first Ethernet probe by the Ethernet interface of a PE;
The described first Ethernet probe is used for calculating to obtain second test result jointly based on test traffic with the second Ethernet probe.
Method of testing and the system of the Virtual Leased Lines circuit that provides based on the above embodiment of the present invention, (be also referred to as: the IP test probe) substitute the ATM instrument, coming an end is that Ethernet interface, the other end are that the heterogeneous media VLL circuit of basic data business interfaces such as ATM, frame relay carries out maintenance test by the Ethernet probe.And in the implementation procedure, the Ethernet probe can't with the ATM compatibility, cause the Ethernet probe can't with ATM, the adaptive problems of basic data business interface such as frame relay, PE at VLL circuit base data service incoming end place arranges the professional satellite interface of basic data, and the professional satellite interface subtest of this basic data circuit is connected with the basic data business interface, PE is by heterogeneous media adaptation technique, the test traffic that Ethernet interface is received is bridged to the professional satellite interface of basic data or test traffic that the professional satellite interface of basic data is received is bridged to Ethernet interface, the professional satellite interface of basic data and basic data business interface are by subtest circuit test transmission flow, thereby realize Ethernet probe and ATM, basic data business interfaces such as frame relay adaptive realizes by the ether probe VLL circuit being carried out maintenance test.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a business model schematic diagram of VLL circuit.
Fig. 2 is the application scenarios schematic diagram of the method for testing embodiment of VLL circuit of the present invention.
Fig. 3 is the flow chart of an embodiment of method of testing of VLL circuit of the present invention.
Fig. 4 is the flow chart of another embodiment of method of testing of VLL circuit of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The VLL circuit of the embodiment of the invention be positioned at first edge router (Provider Edge, hereinafter to be referred as: PE) and between the 2nd PE.Wherein, be provided with basic data business interface and Ethernet interface on a PE and the 2nd PE, basic data business interface wherein includes but not limited to atm interface or Frame Relay Interface.The interface of VLL circuit on a PE is the basic data business interface, and the interface on the 2nd PE is Ethernet interface.Insert Ethernet interface on the PE by the first Ethernet probe, insert Ethernet interface on the 2nd PE by the second Ethernet probe.As shown in Figure 2, be the application scenarios schematic diagram of the method for testing embodiment of VLL circuit of the present invention.PE1 among Fig. 2 is a PE, and the PE2 among Fig. 2 is the 2nd PE.Because the Ethernet interface of VLL circuit B end is consistent with the probe interface type, the Ethernet interface of VLL circuit B end can be directly and the Ethernet probe mate.But, different owing to interface type between the basic data business interface of VLL circuit A end and the Ethernet probe, can not directly mate.Based on this, in the embodiment of the invention, also be provided with the professional satellite interface of basic data on the one PE, the professional satellite interface of this basic data comprises the ATM satellite interface consistent with basic data business interface type or frame relay satellite interface, the professional satellite interface of basic data on the one PE is connected with the basic data business interface by the subtest circuit, exemplarily, this subtest circuit can be light mouth or electricity mouth according to the type of the professional satellite interface of basic data and basic data business interface, is specially fibre circuit or cable line.VLL circuit A end probe is linked into a PE by Ethernet interface, between the professional satellite interface of Ethernet interface and basic data, set up " two layers of bridged appearances " by " heterogeneous media adaptation technique ", realized adaptive between Ethernet probe and the basic data interface.Like this, the Ethernet probe just can be tested the VLL circuit along the test path shown in the fine dotted line.
Fig. 3 is the flow chart of an embodiment of method of testing of VLL circuit of the present invention.As shown in Figure 3, the method for testing of this EXAMPLE V LL circuit comprises:
101, central server to the first Ethernet probe issue first test instruction (along among Fig. 2 1., 2. shown in the path), comprise the second Ethernet probe address, test assignment and test parameter configuration information in this first test instruction.
Wherein, central server can be according to user's the different test assignment of testing requirement customization.According to the difference of test assignment, the test parameter configuration information can be exemplary is the data packet number etc. of the giving out a contract for a project at interval of measurement pattern (that is, unidirectional test still is two-way test), test traffic, test traffic.
102, the first Ethernet probes are according to test parameter configuration information and the second Ethernet probe address, send Ethernet interface on test traffic to the PE (along among Fig. 2 2. shown in the path).
103, the one PE are by heterogeneous media adaptation technique, with a PE go up test traffic that Ethernet interface receives be bridged to the professional satellite interface of basic data on the PE (along among Fig. 2 3. shown in the path).
Exemplarily, this operation of 103 specifically can be, the one PE goes up the test traffic packet that Ethernet interface receives with a PE and carries out protocol conversion, and the test traffic packet is converted to the ATM encapsulation consistent with the professional satellite interface type of basic data or frame relay encapsulation from the Ethernet encapsulation.
The professional satellite interface of basic data on 104, the one PE by the subtest circuit with test traffic be sent to basic data business interface on the PE (along among Fig. 2 4. shown in the path).
Basic data business interface on 105, the one PE through the VLL circuit with test traffic send to the 2nd PE Ethernet interface (along among Fig. 2 5. shown in the path), be transmitted to the second Ethernet probe by the Ethernet interface of the 2nd PE.
106, the first Ethernet probes and the second Ethernet probe calculate jointly based on test traffic and obtain first test result.
107, the first Ethernet probes to central server report first test result (along among Fig. 2 2., 1. shown in the path).
The method of testing of the Virtual Leased Lines circuit that provides based on the above embodiment of the present invention, substitute the ATM instrument by the Ethernet probe, coming an end is that Ethernet interface, the other end are that the heterogeneous media VLL circuit of basic data business interfaces such as ATM, frame relay carries out maintenance test.And in the implementation procedure, the Ethernet probe can't with the ATM compatibility, cause the Ethernet probe can't with ATM, the adaptive problems of basic data business interface such as frame relay, PE at VLL circuit base data service incoming end place arranges the professional satellite interface of basic data, and the professional satellite interface subtest of this basic data circuit is connected with the basic data business interface, PE is by heterogeneous media adaptation technique, the test traffic that Ethernet interface is received is bridged to the professional satellite interface of basic data or test traffic that the professional satellite interface of basic data is received is bridged to Ethernet interface, the professional satellite interface of basic data and basic data business interface are by subtest circuit test transmission flow, thereby realize Ethernet probe and ATM, basic data business interfaces such as frame relay adaptive realizes by the ether probe VLL circuit being carried out maintenance test.
Further, again referring to Fig. 2, according to an example of the present invention and unrestricted, can establish pseudo-spool and manage passage between the 3rd PE that central server inserts and a PE, the 3rd PE is the PE3 among Fig. 2.Correspondingly, the operation 101 in embodiment illustrated in fig. 3 can realize in the following manner: central server sends first test instruction to the 3rd PE; The 3rd PE transmits first test instruction by pseudo-spool reason passage to a PE; The one PE issues first test instruction by Ethernet interface to the first Ethernet probe.
Pseudo-line (Pseudo Wire) is a point-to-point connection based on the MPLS tunnel between the PE.The embodiment of the invention (being between PE1 and the PE3) between the PE of central server and the first Ethernet probe first line of a couplet is set up pseudo-line, and central server can telemanagement Ethernet probe, realizes the intercommunication between central server and the first Ethernet probe fast.Central server is deployed in different places usually with the Ethernet probe, want interaction data between them, need to realize the intercommunication of the management network segment, with respect to the data interaction that realizes by third party's network between central server and the test probe, that is: central server and test probe all are linked into the Internet or data communication network (Data Communication Network, hereinafter to be referred as: DCN) network, the embodiment of the invention is set up management channels between central server and the test probe by pseudo-line technology, saved lower deployment cost, improve deployment speed, effectively ensured the ability of IP/MPLS network carrying basic data business.
Fig. 4 is the flow chart of another embodiment of method of testing of VLL circuit of the present invention.As shown in Figure 4, the method for testing of this EXAMPLE V LL circuit comprises:
201, central server issues second test instruction to the second Ethernet probe, comprises the first Ethernet probe address, test assignment and test parameter configuration information in this second test instruction.
202, the second Ethernet probes send the Ethernet interface on test traffic to the two PE according to test parameter configuration information and the first Ethernet probe address.
Ethernet interface on 203, the two PE sends to test traffic through the VLL circuit basic data business interface of the 2nd PE.
The basic data business interface of 204, the two PE is sent to the professional satellite interface of basic data on the PE by the subtest circuit with test traffic.
205, the one PE are by heterogeneous media adaptation technique, a PE is gone up test traffic that the professional satellite interface of basic data receives be bridged to Ethernet interface on the PE, are transmitted to the first Ethernet probe by the Ethernet interface of a PE.
Exemplarily, in this operation of 205, the one PE is by heterogeneous media adaptation technique, the one PE is gone up the Ethernet interface that test traffic that the professional satellite interface of basic data receives is bridged on the PE specifically can be realized in the following way: a PE goes up the test traffic packet that the professional satellite interface of basic data receives with a PE and carries out protocol conversion, and the test traffic packet is converted to the Ethernet encapsulation from ATM encapsulation or the frame relay encapsulation of the professional satellite interface type of basic data unanimity.
206, the second Ethernet probes and the first Ethernet probe calculate jointly based on test traffic and obtain second test result.
207, the second Ethernet probes report second test result to central server.
The method of testing of the Virtual Leased Lines circuit that provides based on the above embodiment of the present invention, substitute the ATM instrument by the Ethernet probe, coming an end is that Ethernet interface, the other end are that the heterogeneous media VLL circuit of basic data business interfaces such as ATM, frame relay carries out maintenance test.And in the implementation procedure, the Ethernet probe can't with the ATM compatibility, cause the Ethernet probe can't with ATM, the adaptive problems of basic data business interface such as frame relay, PE at VLL circuit base data service incoming end place arranges the professional satellite interface of basic data, and the professional satellite interface subtest of this basic data circuit is connected with the basic data business interface, PE is by heterogeneous media adaptation technique, the test traffic that Ethernet interface is received is bridged to the professional satellite interface of basic data or test traffic that the professional satellite interface of basic data is received is bridged to Ethernet interface, the professional satellite interface of basic data and basic data business interface are by subtest circuit test transmission flow, thereby realize Ethernet probe and ATM, basic data business interfaces such as frame relay adaptive realizes by the ether probe VLL circuit being carried out maintenance test.
Further, again referring to Fig. 2, according to another example of the present invention and unrestricted, between the 3rd PE that central server inserts and the 2nd PE, establish pseudo-spool and manage passage.Correspondingly, the operation 201 in embodiment illustrated in fig. 4 can realize in the following manner: central server sends second test instruction to the 3rd PE; The 3rd PE transmits second test instruction by pseudo-spool reason passage to the 2nd PE; The 2nd PE issues second test instruction by Ethernet interface to the second Ethernet probe.
The embodiment of the invention (being between PE2 and the PE3) between the PE of central server and the second Ethernet probe first line of a couplet is set up pseudo-line, central server can telemanagement Ethernet probe, realize the intercommunication between central server and the second Ethernet probe fast, save lower deployment cost, improved deployment speed.
Based on the method for testing of the VLL circuit of the various embodiments described above of the present invention, not only can carry out the network layer test to the VLL circuit, for example, network layer quality index such as the time delay of test traffic test VLL circuit that can be by network layer, shake, packet loss, throughput.According to an example of the present invention and unrestricted, test parameter configuration information when the VLL circuit is carried out the network layer test specifically can comprise (for example giving out a contract for a project at interval of test traffic, 5 minutes), Payload (Payload) size (for example, default 32 bytes), the Internet Internet Control Message Protocol (Internet Control Messages Protocol, hereinafter to be referred as: the ICMP) quantity (for example, default 5) of response (Echo) bag.
In addition, method of testing based on the VLL circuit of the various embodiments described above of the present invention, can also simulate the test traffic of various application layers, for example, IP phone (Voice over Internet Protocol, hereinafter to be referred as: VOIP) quality test flow, video quality testing process, file transfer protocol (FTP) (File Transfer Protocol, hereinafter to be referred as: FTP) test traffic or HTML (Hypertext Markup Language) (Hyper Text Transport Protocol, hereinafter to be referred as: test traffic such as HTTP), come the VLL circuit is carried out the application layer test.
According to an example of the present invention and unrestricted, the test parameter configuration information when the VLL circuit is carried out the VOIP test specifically can comprise the interval of giving out a contract for a project, test pattern (Session Initiation Protocol calling) of test traffic, unidirectional or bidirectional measurement pattern, speech coding form, test traffic quantity of data packets information; Test parameter configuration information when the VLL circuit is carried out the video quality test specifically can comprise give out a contract for a project interval, test pattern (video session), video code model, speech coding form, the maximum video bandwidth information of test traffic.Test parameter configuration information when the VLL circuit is carried out the FTP test specifically can comprise the address information of give out a contract for a project interval, the ftp server of test traffic; Test parameter configuration information when the VLL circuit is carried out the HTTP test specifically can comprise the interval of giving out a contract for a project of test traffic, URL address, the page downloading mode information of HTTP service.
In the embodiment of the invention, can be unidirectional test to the test of VLL circuit, also can be two-way test.During two-way test, test traffic also will be between two Ethernet probes reverse transfer, corresponding, the network entity on the test path carries out contrary the processing to this test traffic.For example, can carry out transmission process to the negative testing flow in embodiment illustrated in fig. 3 with reference to 202～205 operation in embodiment illustrated in fig. 4, can carry out transmission process to the negative testing flow in embodiment illustrated in fig. 4 with reference to 102～105 operation in embodiment illustrated in fig. 3, the present invention repeats no more.
Referring to Fig. 2, the test macro of a kind of VLL circuit that the embodiment of the invention provides comprises central server and IP/MPLS network.Wherein, central server is positioned at network management center, the IP/MPLS network comprises a plurality of PE, be provided with the VLL circuit between a PE in a plurality of PE and the 2nd PE, be provided with basic data business interface and Ethernet interface on the one PE and the 2nd PE, the interface of VLL circuit on a PE is the basic data business interface, and this basic data business interface comprises atm interface or Frame Relay Interface.Interface on the 2nd PE is Ethernet interface.In addition, also be provided with the professional satellite interface of basic data on the one PE, the professional satellite interface of this basic data comprises the ATM satellite interface consistent with basic data business interface type or frame relay satellite interface, is connected with described basic data business interface by the subtest circuit.The test macro of VLL circuit comprises that also inserting a PE goes up the first Ethernet probe of Ethernet interface and insert the second Ethernet probe that the 2nd PE goes up Ethernet interface.
Wherein, central server is used for issuing first test instruction to the first Ethernet probe, comprises the second Ethernet probe address, test assignment and test parameter configuration information in this first test instruction; And receive first test result that the first Ethernet probe reports.
The first Ethernet probe, be used for test parameter configuration information and the second Ethernet probe address according to first test instruction, send the Ethernet interface on test traffic to the PE, and calculate acquisition first test result jointly and report central server based on test traffic with the second Ethernet probe.
The one PE is used for by heterogeneous media adaptation technique, a PE is gone up test traffic that Ethernet interface receives be bridged to the professional satellite interface of basic data on the PE; The professional satellite interface of basic data on the one PE is sent to basic data business interface on the PE by the subtest circuit with test traffic; Basic data business interface on the one PE sends to test traffic through the VLL circuit Ethernet interface of the 2nd PE.
Exemplarily, when the one PE goes up a PE test traffic that Ethernet interface receives and is bridged to the professional satellite interface of basic data on the PE, specifically a PE can be gone up the test traffic packet that Ethernet interface receives and carry out protocol conversion, the test traffic packet is converted to the ATM encapsulation consistent with the professional satellite interface type of basic data or frame relay encapsulation from the Ethernet encapsulation.
The 2nd PE is used for by the Ethernet interface on the 2nd PE test traffic being transmitted to the second Ethernet probe.
The second Ethernet probe is used for calculating to obtain first test result jointly based on test traffic with the first Ethernet probe.
The test macro of the Virtual Leased Lines circuit that provides based on the above embodiment of the present invention, substitute the ATM instrument by the Ethernet probe, coming an end is that Ethernet interface, the other end are that the heterogeneous media VLL circuit of basic data business interfaces such as ATM, frame relay carries out maintenance test.And in the implementation procedure, the Ethernet probe can't with the ATM compatibility, cause the Ethernet probe can't with ATM, the adaptive problems of basic data business interface such as frame relay, PE at VLL circuit base data service incoming end place arranges the professional satellite interface of basic data, and the professional satellite interface subtest of this basic data circuit is connected with the basic data business interface, PE is by heterogeneous media adaptation technique, the test traffic that Ethernet interface is received is bridged to the professional satellite interface of basic data or test traffic that the professional satellite interface of basic data is received is bridged to Ethernet interface, the professional satellite interface of basic data and basic data business interface are by subtest circuit test transmission flow, thereby realize Ethernet probe and ATM, basic data business interfaces such as frame relay adaptive realizes by the ether probe VLL circuit being carried out maintenance test.
The test macro of VLL circuit specific embodiment also comprises the 3rd PE among above-mentioned a plurality of PE according to the present invention, and central server inserts the 3rd PE, is connected by pseudo-spool reason tunneling traffic between the 3rd PE and the PE.Accordingly, when central server issues first test instruction to the first Ethernet probe, specifically send first test instruction to the 3rd PE; The 3rd PE is used for transmitting first test instruction by pseudo-spool reason passage to a PE; The one PE specifically issues first test instruction by Ethernet interface to the first Ethernet probe.
Referring to Fig. 2, the test macro of the another kind of VLL circuit that the embodiment of the invention provides comprises central server and IP/MPLS network again.Wherein, central server is positioned at network management center, and the IP/MPLS network comprises a plurality of PE.Be provided with the VLL circuit between a PE in a plurality of PE and the 2nd PE, wherein, be provided with basic data business interface and Ethernet interface on the one PE and the 2nd PE, the interface of VLL circuit on a PE is the basic data business interface, and this basic data business interface can comprise atm interface or Frame Relay Interface.Interface on the 2nd PE is Ethernet interface.In addition, also be provided with the professional satellite interface of basic data on the PE, comprise the ATM satellite interface consistent with basic data business interface type or frame relay satellite interface, be connected with described basic data business interface by the subtest circuit.The test macro of VLL circuit comprises that also inserting a PE goes up the first Ethernet probe of Ethernet interface and insert the second Ethernet probe that the 2nd PE goes up Ethernet interface.
Wherein, central server is used for issuing second test instruction to the second Ethernet probe, comprises the first Ethernet probe address, test assignment and test parameter configuration information in this second test instruction; And receive second test result that the second Ethernet probe reports.
The second Ethernet probe is used for according to test parameter configuration information and the first Ethernet probe address, sends the Ethernet interface on test traffic to the two PE; And calculate jointly based on test traffic with the first Ethernet probe and to obtain second test result and to report central server.
The 2nd PE is used for test traffic being sent to the basic data business interface of the 2nd PE through the VLL circuit by the Ethernet interface on the 2nd PE; The basic data business interface of the 2nd PE is sent to the professional satellite interface of basic data on the PE by the subtest circuit with test traffic.
The one PE is used for by heterogeneous media adaptation technique, a PE is gone up test traffic that the professional satellite interface of basic data receives be bridged to Ethernet interface on the PE, is transmitted to the first Ethernet probe by the Ethernet interface of a PE.
Exemplarily, the one PE is by heterogeneous media adaptation technique, when the one PE is gone up test traffic that the professional satellite interface of basic data receives and is bridged to Ethernet interface on the PE, specifically a PE can be gone up the test traffic packet that the professional satellite interface of basic data receives and carry out protocol conversion, the test traffic packet is converted to the Ethernet encapsulation from ATM encapsulation or the frame relay encapsulation of the professional satellite interface type of basic data unanimity.
The first Ethernet probe is used for calculating to obtain second test result jointly based on test traffic with the second Ethernet probe.
The test macro of the Virtual Leased Lines circuit that provides based on the above embodiment of the present invention, substitute the ATM instrument by the Ethernet probe, coming an end is that Ethernet interface, the other end are that the heterogeneous media VLL circuit of basic data business interfaces such as ATM, frame relay carries out maintenance test.And in the implementation procedure, the Ethernet probe can't with the ATM compatibility, cause the Ethernet probe can't with ATM, the adaptive problems of basic data business interface such as frame relay, PE at VLL circuit base data service incoming end place arranges the professional satellite interface of basic data, and the professional satellite interface subtest of this basic data circuit is connected with the basic data business interface, PE is by heterogeneous media adaptation technique, the test traffic that Ethernet interface is received is bridged to the professional satellite interface of basic data or test traffic that the professional satellite interface of basic data is received is bridged to Ethernet interface, the professional satellite interface of basic data and basic data business interface are by subtest circuit test transmission flow, thereby realize Ethernet probe and ATM, basic data business interfaces such as frame relay adaptive realizes by the ether probe VLL circuit being carried out maintenance test.
Further, again referring to Fig. 2, another embodiment of the test macro of VLL circuit according to the present invention also comprises the 3rd PE among a plurality of PE, and central server inserts the 3rd PE, is connected by pseudo-spool reason tunneling traffic between the 3rd PE and the 2nd PE.Accordingly, when central server issues second test instruction to the second Ethernet probe, specifically send second test instruction to the 3rd PE.The 3rd PE is used for transmitting second test instruction by pseudo-spool reason passage to the 2nd PE.The 2nd PE specifically issues second test instruction by Ethernet interface to the second Ethernet probe.
In the embodiment of the test macro of above-mentioned each the VLL circuit of the present invention, the subtest circuit specifically can comprise fibre circuit or cable line.Test traffic specifically can be the test traffic of network layer or application layer.Wherein, the test traffic of application layer specifically can comprise VOIP quality test flow, video quality testing process, FTP test traffic or HTTP test traffic etc.
Each embodiment all adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that same or analogous part cross-references gets final product between each embodiment.For device embodiment, because it is similar substantially to method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
The embodiment of the invention has realized the adaptive of basic data business interfaces such as Ethernet probe and ATM, frame relay, realizes by the ether probe VLL circuit being carried out maintenance test; Set up pseudo-line between the PE of central server and the Ethernet probe first line of a couplet, central server can telemanagement Ethernet probe, realizes the intercommunication between central server and the second Ethernet probe fast, has saved lower deployment cost, has improved deployment speed.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.
Claims (18)
1. the method for testing of a Virtual Leased Lines circuit, described Virtual Leased Lines VLL circuit is between the first edge router PE and the 2nd PE, be provided with basic data business interface and Ethernet interface on a described PE and described the 2nd PE, the interface of described VLL circuit on a PE is the basic data business interface, and described basic data business interface comprises asynchronous transfer mode ATM interface or Frame Relay Interface; Interface on the 2nd PE is Ethernet interface; It is characterized in that, also be provided with the professional satellite interface of basic data on the described PE; The professional satellite interface of described basic data comprises ATM satellite interface or the frame relay satellite interface consistent with described basic data business interface type, is connected with described basic data business interface by the subtest circuit; Insert Ethernet interface on the described PE by the first Ethernet probe, insert Ethernet interface on the 2nd PE by the second Ethernet probe; The method of testing of described VLL circuit comprises:
Central server issues first test instruction to the first Ethernet probe, comprises the second Ethernet probe address, test assignment and test parameter configuration information in described first test instruction;
The first Ethernet probe sends the Ethernet interface on test traffic to the PE according to described test parameter configuration information and the second Ethernet probe address;
The one PE is by heterogeneous media adaptation technique, a PE gone up test traffic that Ethernet interface receives be bridged to the professional satellite interface of basic data on the PE;
The professional satellite interface of basic data on the one PE is sent to basic data business interface on the PE by the subtest circuit with test traffic;
Basic data business interface on the one PE sends to the Ethernet interface of the 2nd PE through described VLL circuit with test traffic, is transmitted to the second Ethernet probe by the Ethernet interface of the 2nd PE;
The first Ethernet probe and the second Ethernet probe calculate jointly based on test traffic and obtain first test result;
The first Ethernet probe reports first test result to central server.
2. method according to claim 1 is characterized in that, a PE is by heterogeneous media adaptation technique, and the professional satellite interface of basic data that the test traffic that the last Ethernet interface of a PE is received is bridged on the PE is specially:
The one PE goes up the test traffic packet that Ethernet interface receives with a PE and carries out protocol conversion, and the test traffic packet is converted to the ATM encapsulation consistent with the professional satellite interface type of basic data or frame relay encapsulation from the Ethernet encapsulation.
3. method according to claim 1 is characterized in that, described subtest circuit comprises fibre circuit or cable line.
4. according to any described method of claim 1 to 3, it is characterized in that, establish pseudo-spool reason passage between the 3rd PE that central server inserts and the described PE;
Described central server issues first test instruction to the first Ethernet probe and comprises:
Central server sends first test instruction to the 3rd PE;
The 3rd PE transmits described first test instruction by pseudo-spool reason passage to a PE;
The one PE issues first test instruction by Ethernet interface to the described first Ethernet probe.
5. method according to claim 4 is characterized in that, described test traffic is specially the test traffic of network layer or application layer;
The test traffic of described application layer comprises IP phone VOIP quality test flow, video quality testing process, file transfer protocol (FTP) FTP test traffic or HTML (Hypertext Markup Language) HTTP test traffic.
6. the method for testing of a Virtual Leased Lines circuit, described VLL circuit is between the first edge router PE and the 2nd PE, be provided with basic data business interface and Ethernet interface on a described PE and described the 2nd PE, the interface of described VLL circuit on a PE is the basic data business interface, and described basic data business interface comprises atm interface or Frame Relay Interface; Interface on the 2nd PE is Ethernet interface; It is characterized in that, also be provided with the professional satellite interface of basic data on the described PE; The professional satellite interface of described basic data comprises ATM satellite interface or the frame relay satellite interface consistent with described basic data business interface type, is connected with described basic data business interface by the subtest circuit; Insert Ethernet interface on the described PE by the first Ethernet probe, insert Ethernet interface on the 2nd PE by the second Ethernet probe; The method of testing of described VLL circuit comprises:
Central server issues second test instruction to the second Ethernet probe, comprises the first Ethernet probe address, test assignment and test parameter configuration information in described second test instruction;
The second Ethernet probe sends the Ethernet interface on test traffic to the two PE according to described test parameter configuration information and the first Ethernet probe address;
Ethernet interface on the 2nd PE sends to test traffic through described VLL circuit the basic data business interface of the 2nd PE;
The basic data business interface of the 2nd PE is sent to the professional satellite interface of basic data on the PE by the subtest circuit with test traffic;
The one PE is by heterogeneous media adaptation technique, a PE gone up test traffic that the professional satellite interface of basic data receives be bridged to Ethernet interface on the PE, is transmitted to the first Ethernet probe by the Ethernet interface of a PE;
The second Ethernet probe and the first Ethernet probe calculate jointly based on test traffic and obtain second test result;
The second Ethernet probe reports second test result to central server.
7. method according to claim 6 is characterized in that, a PE is by heterogeneous media adaptation technique, a PE is gone up test traffic that the professional satellite interface of basic data receives be bridged to Ethernet interface on the PE:
The one PE goes up the test traffic packet that the professional satellite interface of basic data receives with a PE and carries out protocol conversion, and the test traffic packet is converted to the Ethernet encapsulation from ATM encapsulation or the frame relay encapsulation of the professional satellite interface type of basic data unanimity.
8. method according to claim 7 is characterized in that, described subtest circuit comprises fibre circuit or cable line.
9. according to any described method of claim 6 to 8, it is characterized in that, establish pseudo-spool reason passage between the 3rd PE that central server inserts and described the 2nd PE;
Described central server issues second test instruction to the second Ethernet probe and comprises:
Central server sends second test instruction to the 3rd PE;
The 3rd PE transmits described second test instruction by pseudo-spool reason passage to the 2nd PE;
The 2nd PE issues second test instruction by Ethernet interface to the described second Ethernet probe.
10. method according to claim 9 is characterized in that, described test traffic is specially the test traffic of network layer or application layer;
The test traffic of described application layer comprises VOIP quality test flow, video quality testing process, FTP test traffic or HTTP test traffic.
11. the test macro of a Virtual Leased Lines circuit, comprise central server and IP/MPLS network, described IP/MPLS network comprises a plurality of PE, be provided with the VLL circuit between a PE in a plurality of PE and the 2nd PE, be provided with basic data business interface and Ethernet interface on a described PE and described the 2nd PE, the interface of described VLL circuit on a PE is the basic data business interface, and described basic data business interface comprises atm interface or Frame Relay Interface; Interface on the 2nd PE is Ethernet interface; It is characterized in that, also be provided with the professional satellite interface of basic data on the described PE; The professional satellite interface of described basic data comprises ATM satellite interface or the frame relay satellite interface consistent with described basic data business interface type, is connected with described basic data business interface by the subtest circuit; The test macro of described VLL circuit comprises that also inserting a described PE goes up the first Ethernet probe of Ethernet interface and insert the second Ethernet probe that the 2nd PE goes up Ethernet interface;
Described central server is used for issuing first test instruction to the first Ethernet probe, comprises the second Ethernet probe address, test assignment and test parameter configuration information in described first test instruction; And receive first test result that the first Ethernet probe reports;
The described first Ethernet probe is used for according to described test parameter configuration information and the second Ethernet probe address, sends the Ethernet interface on test traffic to the PE; And calculate jointly based on test traffic with the second Ethernet probe and to obtain first test result and to report described central server;
A described PE is used for by heterogeneous media adaptation technique, a PE is gone up test traffic that Ethernet interface receives be bridged to the professional satellite interface of basic data on the PE; The professional satellite interface of basic data on the one PE is sent to basic data business interface on the PE by the subtest circuit with test traffic; Basic data business interface on the one PE sends to test traffic through described VLL circuit the Ethernet interface of the 2nd PE;
Described the 2nd PE is used for by the Ethernet interface on the 2nd PE test traffic being transmitted to the second Ethernet probe;
The described second Ethernet probe is used for calculating to obtain first test result jointly based on test traffic with the first Ethernet probe.
12. system according to claim 11, it is characterized in that, a described PE is by heterogeneous media adaptation technique, when the one PE is gone up test traffic that Ethernet interface receives and is bridged to the professional satellite interface of basic data on the PE, specifically a PE is gone up the test traffic packet that Ethernet interface receives and carry out protocol conversion, the test traffic packet is converted to the ATM encapsulation consistent with the professional satellite interface type of basic data or frame relay encapsulation from the Ethernet encapsulation.
13. system according to claim 12 is characterized in that, comprises the 3rd PE among described a plurality of PE, described central server inserts described the 3rd PE, is connected by pseudo-spool reason tunneling traffic between described the 3rd PE and the described PE;
When described central server issues first test instruction to the first Ethernet probe, specifically send first test instruction to the 3rd PE;
Described the 3rd PE is used for transmitting described first test instruction by pseudo-spool reason passage to a PE;
A described PE specifically issues first test instruction by Ethernet interface to the described first Ethernet probe.
14. the test macro of a Virtual Leased Lines circuit, comprise central server and IP/MPLS network, described IP/MPLS network comprises a plurality of PE, be provided with the VLL circuit between a PE in a plurality of PE and the 2nd PE, be provided with basic data business interface and Ethernet interface on a described PE and described the 2nd PE, the interface of described VLL circuit on a PE is the basic data business interface, and described basic data business interface comprises atm interface or Frame Relay Interface; Interface on the 2nd PE is Ethernet interface; It is characterized in that, also be provided with the professional satellite interface of basic data on the described PE; The professional satellite interface of described basic data comprises ATM satellite interface or the frame relay satellite interface consistent with described basic data business interface type, is connected with described basic data business interface by the subtest circuit; The test macro of described VLL circuit comprises that also inserting a described PE goes up the first Ethernet probe of Ethernet interface and insert the second Ethernet probe that the 2nd PE goes up Ethernet interface;
Described central server is used for issuing second test instruction to the second Ethernet probe, comprises the first Ethernet probe address, test assignment and test parameter configuration information in described second test instruction; And receive second test result that the second Ethernet probe reports;
The described second Ethernet probe is used for according to described test parameter configuration information and the first Ethernet probe address, sends the Ethernet interface on test traffic to the two PE; And calculate jointly based on test traffic with the first Ethernet probe and to obtain second test result and to report described central server;
Described the 2nd PE is used for test traffic being sent to the basic data business interface of the 2nd PE through described VLL circuit by the Ethernet interface on the 2nd PE; The basic data business interface of the 2nd PE is sent to the professional satellite interface of basic data on the PE by the subtest circuit with test traffic;
A described PE is used for by heterogeneous media adaptation technique, a PE is gone up test traffic that the professional satellite interface of basic data receives be bridged to Ethernet interface on the PE, is transmitted to the first Ethernet probe by the Ethernet interface of a PE;
The described first Ethernet probe is used for calculating to obtain second test result jointly based on test traffic with the second Ethernet probe.
15. system according to claim 14, it is characterized in that, the one PE is by heterogeneous media adaptation technique, when the one PE is gone up test traffic that the professional satellite interface of basic data receives and is bridged to Ethernet interface on the PE, specifically a PE is gone up the test traffic packet that the professional satellite interface of basic data receives and carry out protocol conversion, the test traffic packet is converted to the Ethernet encapsulation from ATM encapsulation or the frame relay encapsulation of the professional satellite interface type of basic data unanimity.
16. system according to claim 15 is characterized in that, comprises the 3rd PE among described a plurality of PE, described central server inserts described the 3rd PE, is connected by pseudo-spool reason tunneling traffic between described the 3rd PE and described the 2nd PE;
When described central server issues second test instruction to the second Ethernet probe, specifically send second test instruction to the 3rd PE;
Described the 3rd PE is used for transmitting described second test instruction by pseudo-spool reason passage to the 2nd PE;
Described the 2nd PE specifically issues second test instruction by Ethernet interface to the described second Ethernet probe.
17., it is characterized in that described subtest circuit comprises fibre circuit or cable line according to claim 13 or 16 described systems.
18. according to claim 13 or 16 described systems, it is characterized in that described test traffic is specially the test traffic of network layer or application layer;
The test traffic of described application layer comprises VOIP quality test flow, video quality testing process, FTP test traffic or HTTP test traffic.
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| CN201110442221.0A CN103188111B (en) | 2011-12-27 | The method of testing of Virtual Leased Lines circuit and system |
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