CN100454851C - Measuring method and device and system for Diameter protocol interface - Google Patents
Measuring method and device and system for Diameter protocol interface Download PDFInfo
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- CN100454851C CN100454851C CNB200610065322XA CN200610065322A CN100454851C CN 100454851 C CN100454851 C CN 100454851C CN B200610065322X A CNB200610065322X A CN B200610065322XA CN 200610065322 A CN200610065322 A CN 200610065322A CN 100454851 C CN100454851 C CN 100454851C
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Abstract
The present invention discloses a method, a device and a system thereof for measuring the performance of a Diameter protocol interface. The present invention has a main concept that a Diameter message is carried out classification statistics, a performance measurement index of the measured interface is obtained according to the statistical data so as to measure the performance. The present invention ends the situation that the current Diameter protocol interface has no definite method for measuring the performance, and the method that classification statistic is carried out according to the response cell carried in a Diameter response message is preferentially adopted. Because the response cell carries information about the treatment result of a Diameter service, the data statistic based on the cell can effectively reflect the working condition and service quality of net element so as to effectively guide and feed back an operators for increasing network quality.
Description
Technical field
The present invention relates to the test and appraisal technology of interface capability in 3G (Third Generation) Moblie (3G, the 3rd Generation Wireless Communication) network, be specifically related to performance measurement method and measuring equipment and system based on the interface of Diameter.
Background technology
Diameter is network discriminating, mandate, the charging (AAA of a new generation, Authentication, Authorization, Accounting) agreement, as the upgraded version of previous generation aaa protocol-Radius agreement, Diameter provides more strict AAA process.Along with 3G network progressively to all internet protocol (IP, Internet Protocol) network evolution, Diameter will be used in its core network and the access network device widely.
In the evolution process of 3G network, 3rd Generation Partnership Project (3GPP, 3rdGeneration Partnership Project) the R5 release protocol of Ti Chuing provides at Wideband Code Division Multiple Access (WCDMA) (WCDMA, Wideband Code Division Multiple Access) increases an IP Multimedia System (IMS in the network, IP Multimedia Subsystem) scheme is used to provide IP-based multimedia service.In IMS, defined a large amount of standard interfaces, for example: home subscribed services device (HSS, Home Subscriber Server) network element and query call conversation control function (I-CSCF, Interrogating-CSCF based on Diameter; CSCF, Call Session Control Function)/service call conversation control function (S-CSCF, Serving-CSCF) Cx interface between the network element, HSS network element and application server (AS, Application Server) Dx between the Sh interface between the network element, server positioning function (SLF, Server Locator Function) network element and the I-CSCF/S-CSCF network element etc.
In IMS, when having the Diameter interface between two network elements, the Diameter message between interface all has strict request message and the corresponding relation of response message.As shown in Figure 1, IMS network element A sends a Diameter request message for IMS network element B, after network element B receives this Diameter request message, promptly carries out corresponding service processing, and returns a Diameter response message to network element A.
Yet in the standard of current 3GPP about IMS, do not set up perfect performance index as yet and measure system, these standard interfaces based on Diameter do not have clear and definite performance measurement method yet.So just (for example: HSS network element, S-CSCF network element etc.) service quality has been brought suitable difficulty to system operator tolerance respective network elements.Because ununified and effective module, also just can't effectively instruct and feed back naturally the raising of network quality.
Summary of the invention
The object of the present invention is to provide a kind of performance measurement method and measuring equipment and system of Diameter interface, can carry out effective performance metric to network element with Diameter standard interface, comprehensively reflect the service quality situation, make operator effectively to test and assess, also make operator can unify requirement simultaneously each equipment vendors to network service quality.
To achieve the object of the present invention, the technical scheme of being taked is: a kind of performance measurement method of Diameter interface comprises 1) monitoring interface reception/transmission to be measured Diameter message; 2) the Diameter message that monitors is carried out statistic of classification, obtain corresponding performance measurement index; 3) with described performance measurement index reporting system.
Preferably, when Diameter message is the Diameter response message; Described step 2) in, by the dissimilar corresponding performance measurement indexs of numbers conduct of adding up the Diameter response message respectively that comprise the response cell in the Diameter response message.
Preferably, described step 2) further comprise: the Diameter response message is divided into the type of success and the type of failure according to comprise of the indication that responds cell; The successful Diameter response message number of statistics and the Diameter response message number of failure respectively; With the Diameter response message number of the Diameter response message number of success of statistics and failure performance measurement index as interface to be measured.
Perhaps preferably, described step 2) further comprise: the type of the type that the Diameter response message is divided into success according to comprise of the indication that responds cell and some failures corresponding to different failure causes; The Diameter response message number of the failure of successful Diameter response message number of statistics and various different failure causes respectively; With the Diameter response message number of the failure of the Diameter response message number of success of statistics and various different failure causes performance measurement index as interface to be measured.
The dissimilar types that also can comprise the successful type of indication and some indication failures of dividing of described response cell corresponding to different failure causes.
Preferably, when Diameter message is the Diameter request message; Described step 2) in, also add up Diameter request message number, and with the Diameter request message number of statistics as the performance measurement index of interface to be measured.
Be purpose of the present invention, a kind of performance measurement equipment of Diameter interface also is provided, comprise monitoring modular, counting module and notification module; Described monitoring modular is monitored the Diameter message that interface to be measured receives/sends; Described counting module to described monitoring module monitors to Diameter message carry out differential counting, obtain corresponding performance measurement index and send to notification module; Described notification module is with the performance measurement index reporting system that obtains.
When the Diameter message of monitoring is the Diameter response message; Described counting module can be counted respectively according to the dissimilar of response cell that the Diameter response message is comprised, comprise first counting unit and second counting unit, described first counting unit is counted the Diameter response message that comprises the successful response cell of indication, and described second counting unit is counted the Diameter response message that comprises the response cell of indicating failure.
Described second counting unit also can comprise some counters, respectively the Diameter response message that comprises the response cell with different failure causes is counted.
Preferably, when the Diameter message of monitoring is the Diameter request message; Described counting module also comprises the 3rd counting unit, and described the 3rd counting unit is counted the Diameter request message.
Because tested interface sends/receives many to different Diameter requests/response messages probably, in order to measure interface capability comprehensively and clearly, preferably according to the number of the kind configuration counting module of the Diameter requests/response messages of tested interface transmission/reception, each counting module is counted a class Diameter requests/response messages of tested interface.
The present invention also provides a kind of IMS core network system, comprise the Diameter interface, and comprise the performance measurement equipment of above-mentioned Diameter interface, monitoring modular in the described performance measurement equipment is monitored the Diameter interface of described core network system, and the notification module in the described performance measurement equipment reports described core network system with the performance measurement index that obtains.
Adopt technique scheme, beneficial technical effects of the present invention is:
1) the present invention adopts Diameter message is carried out statistic of classification, thereby obtains the method that tested interface capability measurement index is carried out performance measurement according to statistics, and the present Diameter interface that is through with does not have the situation of clear and definite performance measuring and evaluating method.The present invention preferably adopts the method for carrying out statistic of classification according to the response cell that carries in the Diameter response message, owing to carry information in this response cell about the Diameter service processing result, therefore the data statistics of carrying out based on this cell can effectively reflect the working condition and the service quality of network element, thereby effectively instructs and feed back for operator improves network quality.
2) also further provide the preferred version of specific performance measurement index among the present invention, can succinctly and comprehensively reflect the service quality situation of related network elements, the equipment quality of also weighing each equipment vendors for operator provides unified effectively standard simultaneously.
Description of drawings
Also the present invention is described in further detail in conjunction with the accompanying drawings below by embodiment.
Fig. 1 is the message flow schematic diagram between two network elements with Diameter interface among the IMS.
Fig. 2 is a kind of performance measurement method schematic flow sheet of the present invention.
Fig. 3 is a PPR/PPA message flow schematic diagram between HSS network element and the S-CSCF network element.
Fig. 4 is a kind of performance measurement equipment schematic diagram of Diameter interface.
Embodiment
The invention provides a kind of performance measurement method and measuring equipment and system of Diameter interface, its core concept is by obtaining to carry out performance measurement according to the performance measurement index that the response cell that comprises in the Diameter response message defines.So-called response cell is the specific cell that is contained in the Diameter response message, and this cell is used for indicating to the network element that sends the Diameter request message result of this Diameter business.
In the IMS network, this cell is the object code property value, and (property value is to (AVP to one in (Experimental-Result AVP) to (Result-Code AVP) or experimental result property value, AttributeValue Pair) be to adopt the parameter that attribute (Attribute)-length (Length)-value (Value) triple form is expressed, its concrete implication can be with reference to the RFC3588 document of Diameter).Wherein the various values of Result-Code AVP and corresponding implication thereof have specific definition in the RFC3588 of Diameter document, and the various values of Experimental-Result AVP and corresponding implication thereof also have corresponding definition (for example: the various values and the implication that have defined the Experimental-Result AVP of Cx interface in 3GPP TS 29.229) in different 3GPP standards.Because the response cell is carrying the information about the Diameter service processing result, therefore the data statistics of carrying out based on this cell can effectively reflect the working condition and the service quality of network element.
Below by the realization of the description of adopting one group of concrete performance measurement index to carry out the method for performance measurement being described in detail the inventive method.
Method one, as shown in Figure 2 comprises step:
1) the Diameter response message of monitoring interface reception/transmission to be measured;
Each interface to be measured all may receive/send multiple Diameter response message, for each Diameter response message, all can be considered a performance measurement unit, and it is monitored.
2) the Diameter response message that monitors is divided into the type of success and the type of failure by comprise of the indication that responds cell, respectively the Diameter response message number that statistics is successful and the Diameter response message number of failure; With the Diameter response message number of the Diameter response message number of success of statistics and the failure performance measurement index as interface to be measured, therefore corresponding performance measurement index is two.Can carry out performance measurement requesting party and response side's network element respectively with two performance measurement indexs of above-mentioned definition to a performance measurement unit, obtain performance measurement index separately.
Following table promptly be according to the method described above respectively requesting party/response side's network element carry out statistical operation to as directed:
| The performance measurement index | Requesting party's network element | The side's of |
|
| 1 | Successful Diameter response message number | The Diameter response message number that comprises the successful response cell of indication that statistics receives | The Diameter response message number that comprises the successful response cell of indication that statistics is returned |
| 2 | The Diameter response message number of failure | The Diameter response message number of the response cell that comprises the indication failure that statistics receives | The Diameter response message number of the response cell that comprises the indication failure that statistics is returned |
3) will add up the performance measurement index reporting system that obtains, system can judge network performance and estimates according to the statistics about success response and failure response that obtains.
Method two, comprise step:
1) the Diameter requests/response messages of monitoring interface reception/transmission to be measured;
Each interface to be measured all may receive/send multiple Diameter requests/response messages, to the Diameter requests/response messages, all can be considered a performance measurement unit for each, and it is monitored.
2) type of the type that the Diameter response message that monitors is divided into success by comprise of the indication that responds cell and some failures corresponding to different failure causes; The Diameter response message number of the failure of successful Diameter response message number of statistics and various different failure causes respectively; With the Diameter response message number of the failure of the Diameter response message number of success of statistics and various different failure causes performance measurement index as interface to be measured, therefore corresponding performance measurement index has several, the value of the value that the indication of corresponding respectively response cell is successful and a plurality of indication failure.Can carry out performance measurement requesting party and response side's network element respectively with several performance measurement indexs of above-mentioned definition to a performance measurement unit.
Following table promptly be according to the method described above respectively requesting party/response side's network element carry out statistical operation to as directed:
3) will add up the performance measurement index reporting system that obtains, system can provide situation according to ruuning situation and the service that the statistics about the failure response of successful and different failure causes that obtains is specifically judged network, carries out the network optimization and feedback is provided and instructs for operator solves network failure.
Compare with method one, adopted the method for preferably the Diameter response message of failure being added up respectively by the failure cause difference in the method two, all carry out the detail statistics record by failure scenarios like this to each Business Processing, operator just can monitor targetedly network and optimizes analysis according to these statisticss relevant with failure cause: can be according to the statistical information of collecting by the failure cause classification, the failure cause that always all frequently takes place is carried out qualitative analysis, find out the short slab of network, network is optimized; If in a certain period, compared sharp increase in the past about the performance index statistical value of some failure causes, then may be because the network appearance causes that unusually operator can follow the tracks of processing to such message, produce unusual concrete reason to orient, and take its corresponding measures.
Method three, comprise step:
1) the Diameter requests/response messages of monitoring interface reception/transmission to be measured;
Each interface to be measured all may receive/send multiple Diameter requests/response messages, to the Diameter requests/response messages, all can be considered a performance measurement unit for each, and it is monitored.
2) respectively the Diameter response message number of success and the Diameter response message number of failure are added up, also Diameter request message number is added up simultaneously; With the Diameter response message number of Diameter response message number, the failure of the success of statistics and Diameter request message number in the lump as the performance measurement index of interface to be measured.
3) will add up the performance measurement index reporting system that obtains, system can carry out integral body judgement and evaluation to network performance according to the statistics about success response, failure response and corresponding requests message that obtains.
Method four, comprise step:
1) the Diameter requests/response messages of monitoring interface reception/transmission to be measured;
Each interface to be measured all may receive/send multiple Diameter requests/response messages, to the Diameter requests/response messages, all can be considered a performance measurement unit for each, and it is monitored.
2) respectively the Diameter response message number of the failure of the Diameter response message number of success and various different failure causes is added up, also Diameter request message number is added up simultaneously; With the Diameter response message number of the failure of the Diameter response message number of success of statistics and various different failure causes and Diameter request message number in the lump as the performance measurement index of interface to be measured.
Following table promptly be according to the method described above respectively requesting party/response side's network element carry out statistical operation to as directed:
3) will add up the performance measurement index reporting system that obtains, system can judge that the ruuning situation and the service of network provide situation according to the data that obtain, and carries out the network optimization and feedback is provided and instructs for operator solves network failure.
Compare with method one, two, in the method three, four except with based on the response element definitions statistics as also having adopted Diameter request message number the performance measurement index as one of performance measurement index, the operation conditions that can more fully reflect system, for example can obtain whether to have the information of information drop-out situation by Diameter request message number and all the Diameter response message numbers (number that comprises all types of failed messages and success message) that relatively in the performance measurement of certain network element, is write down.
Utilize said method, we can add up various types of message by the monitoring to Diameter message, draw the performance parameter of Diameter interface, can better monitor and manage the Diameter interface.
Below, with a pair of Diameter requests/response messages-Data Update request (PPR in the Cx interface among the IMS (interface between HSS network element and the I-CSCF/S-CSCF network element), Push-Profile-Request)/Data Update replys (PPA, Push-Profile-Answer) message provides an example based on above-mentioned performance measurement method three as a performance measurement unit.The performance measurement of all the other Diameter interfaces can be next with reference to carrying out to the definition of its response cell value according to respective protocol in this way.
In the IMS network, the user contracting data of preserving in HSS upgrades, and HSS has been when having distributed S-CSCF for this user, and HSS need initiatively initiate user data update message PPR, goes to notify S-CSCF to upgrade the local user data of preserving.S-CSCF carries out correspondent service logic and handles, and respond this Diameter response message PPA to HSS after receiving PPR message.Signaling process as shown in Figure 3.
Step 1) according to method three, at the Cx interface of HSS network element and S-CSCF network element the PPR/PPA message of reception/transmission is monitored respectively, then according to step 2) the respective performances measurement index is added up specific performance index definition and see the following form with the contrast of the statistical operation that on HSS network element and S-CSCF network element, carries out:
At last, will add up the above-mentioned performance measurement index reporting system that obtains according to step 3) after, system can provide situation according to ruuning situation and the service that the statistics about the failure response of successful and different failure causes that obtains is specifically judged network.
Interface monitoring with the HSS network element is an example: if the performance measurement index that is associated with response cell value DIAMETER_ERROR_USER_UNKNOWN in a period of time surpasses the threshold value that system is provided with, the S-CSCF network element that then shows corresponding opposite end in the network may take place to restart, all user profile of self buffer memory have been lost, system can carry out corresponding judgment and processing according to this performance measurement result, in time repairs and the config failure network element; And for example, if the ratio of performance measurement index in all failed message statisticss that is associated with response cell value DIAMETER_ERROR_USER_UNKNOWN rises suddenly, then show and to have occurred a newly deployed S-CSCF in the network, and this S-CSCF supports the ability of user data not have the HSS network element strong, and system can adjust the data output situation of HSS network element accordingly according to this performance measurement result.
The present invention also provides a kind of performance measurement equipment of realizing the Diameter interface of above-mentioned method of measurement, as shown in Figure 4, comprises monitoring modular, counting module and notification module; Monitoring modular is monitored the Diameter requests/response messages that interface to be measured receives/sends; The number of counting module is configured according to the kind of the Diameter requests/response messages that tested interface sends/receives, each counting module (is for example counted a class Diameter requests/response messages of tested interface, for Cx interface, its performance measurement equipment can comprise that PPR/PPA counting module, de-registration request/cancellation reply (RTR/RTA) counting module etc., for clarity sake, only express a counting module among Fig. 4), and the respective performances measurement index that obtains sent to notification module; Notification module is then with the performance measurement index reporting system that obtains.Each counting module comprises three counting units:
First counting unit: contain a counter, the Diameter response message that comprises the successful response cell of indication is counted; When the every transmission of tested interface or when receiving the successful Diameter response message of operation, this counter adds 1;
Second counting unit: contain several counters (1)～(N), respectively the Diameter response message that comprises the response cell with different failure causes is counted; When the every transmission of tested interface or receive an operation failure and failure cause during for the Diameter response message of (1) (value that responds cell in other words is (1)), corresponding counter (1) adds 1, ..., by that analogy, when the every transmission of tested interface or receive an operation failure and failure cause during for the Diameter response message of (N), corresponding counter (N) adds 1;
The 3rd counting unit: contain a counter, the Diameter request message is counted; When the every transmission of tested interface or when receiving a Diameter request message, this counter adds 1.
Above-mentioned performance measurement equipment can be arranged at the requesting party/side's of the response network element with Diameter interface respectively, and network element whenever carries out the transmission of a Diameter requests/response messages or receive all carrying out corresponding statistical operation by tested interface.
The present invention also provides a kind of IMS core network system, the performance measurement equipment that comprises Diameter interface and above-mentioned Diameter interface, monitoring modular in the performance measurement equipment is monitored the Diameter interface of core network system, notification module in the performance measurement equipment then reports core network system with the performance measurement index that obtains, make this core network system to carry out performance measuring and evaluating to the Diameter interface automatically, instruct the network optimization and troubleshooting of faults.
Diameter interface capability test and appraisal technology of the present invention is applied to IMS, the performance measurement index of acquisition core network system Diameter interface that can be clear and definite, provide effective guidance and feedback for operator tests and assesses and improves the IMS network service quality, help operator further to improve efficiency of operation and customer satisfaction.
Claims (11)
1, a kind of performance measurement method of Diameter interface is characterized in that comprising:
1) the Diameter message of monitoring interface reception/transmission to be measured;
2) the Diameter message that monitors is carried out statistic of classification, obtain corresponding performance measurement index;
3) with described performance measurement index reporting system.
2, the performance measurement method of Diameter interface according to claim 1 is characterized in that: when Diameter message is the Diameter response message; Described step 2) in, by the dissimilar corresponding performance measurement indexs of numbers conduct of adding up the Diameter response message respectively that comprise the response cell in the Diameter response message.
3, the performance measurement method of Diameter interface according to claim 2 is characterized in that, described step 2) further comprise:
The Diameter response message is divided into the type of success and the type of failure according to comprise of the indication that responds cell;
The successful Diameter response message number of statistics and the Diameter response message number of failure respectively;
With the Diameter response message number of the Diameter response message number of success of statistics and failure performance measurement index as interface to be measured.
4, the performance measurement method of Diameter interface according to claim 2 is characterized in that, described step 2) further comprise:
The type of the type that the Diameter response message is divided into success according to comprise of the indication that responds cell and some failures corresponding to different failure causes;
The Diameter response message number of the failure of successful Diameter response message number of statistics and various different failure causes respectively;
With the Diameter response message number of the failure of the Diameter response message number of success of statistics and various different failure causes performance measurement index as interface to be measured.
5, according to the performance measurement method of any described Diameter interface of claim 1～4, it is characterized in that: when Diameter message is the Diameter request message; Described step 2) in, also add up Diameter request message number, and with the Diameter request message number of statistics as the performance measurement index of interface to be measured.
6, a kind of performance measurement equipment of Diameter interface is characterized in that: comprise monitoring modular, counting module and notification module,
Described monitoring modular is monitored the Diameter message that interface to be measured receives/sends;
Described counting module to described monitoring module monitors to Diameter message carry out differential counting, obtain corresponding performance measurement index and send to notification module;
Described notification module is with the performance measurement index reporting system that obtains.
7, the performance measurement equipment of Diameter interface according to claim 6 is characterized in that: when the Diameter message of monitoring is the Diameter response message; Described counting module is counted respectively according to the dissimilar of response cell that the Diameter response message is comprised, comprise first counting unit and second counting unit, described first counting unit is counted the Diameter response message that comprises the successful response cell of indication, and described second counting unit is counted the Diameter response message that comprises the response cell of indicating failure.
8, the performance measurement equipment of Diameter interface according to claim 7, it is characterized in that: described second counting unit comprises some counters, respectively the Diameter response message that comprises the response cell with different failure causes is counted.
9, the performance measurement equipment of Diameter interface according to claim 8 is characterized in that: when the Diameter message of monitoring is the Diameter request message; Described counting module also comprises the 3rd counting unit, and described the 3rd counting unit is counted the Diameter request message.
10, the performance measurement equipment of Diameter interface according to claim 9, it is characterized in that: the number of described counting module is configured according to the kind of the Diameter requests/response messages that tested interface sends/receives, and each counting module is counted a class Diameter requests/response messages of tested interface.
11, a kind of core network system that is used for internet protocol multimedia subsystem, comprise the Diameter interface, it is characterized in that: the performance measurement equipment that also comprises any described Diameter interface of claim 6～10, monitoring modular in the described performance measurement equipment is monitored the Diameter interface of described core network system, and the notification module in the described performance measurement equipment reports described core network system with the performance measurement index that obtains.
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| EP2023533B1 (en) * | 2007-08-10 | 2011-04-06 | Alcatel Lucent | Method and system for classifying traffic in IP networks |
| CN101141328B (en) * | 2007-10-11 | 2010-07-14 | 中兴通讯股份有限公司 | Method and device for simulating Diameter server terminal |
| US9077479B2 (en) * | 2008-09-08 | 2015-07-07 | Verizon Patent And Licensing Inc. | Method and system for adjusting network interface metrics |
| CN102056229A (en) * | 2009-11-05 | 2011-05-11 | 中国移动通信集团山东有限公司 | Disaster tolerance switch method and disaster tolerance switch server of business support system |
| CN101741622A (en) * | 2009-12-21 | 2010-06-16 | 中兴通讯股份有限公司 | Statistical method and system for failure reason data |
| CN101873322A (en) * | 2010-06-17 | 2010-10-27 | 中兴通讯股份有限公司 | Diameter protocol interface system and realization method thereof |
| CN102594821B (en) * | 2011-11-28 | 2018-08-17 | 南京中兴软件有限责任公司 | A kind of method and device of processing diameter protocol message |
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