CN1937616B - M3UA event and H.248 event correlating method - Google Patents
M3UA event and H.248 event correlating method Download PDFInfo
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- CN1937616B CN1937616B CN2005101035136A CN200510103513A CN1937616B CN 1937616 B CN1937616 B CN 1937616B CN 2005101035136 A CN2005101035136 A CN 2005101035136A CN 200510103513 A CN200510103513 A CN 200510103513A CN 1937616 B CN1937616 B CN 1937616B
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Abstract
The invention discloses an M3UA and H.248 event correlating method, comprising: respectively defining correlating conditions of M3UA and H.248 events; collecting soft switched data and synthesizing M3UA and H.248 events; the M3UA event synthesis generates or fills TDR structure of M3UA and correlates with H.248 event according to the correlating conditions; the H.248 event synthesis generates or fills TDR structure of H.248 and correlates with M3UA event according to the correlating conditions; if it is able to correlate, building or filling TDR of correlated event and if the correlated event is completed, large event is closed, complete TDR structure is outputted and the next event synthesis is carried out. And the invention effectively solves the generating problem of the necessary TDR data for combined analysis on M3UA and H.248 events by IP signaling monitoring system.
Description
Technical field
The present invention relates to a kind of IP signaling monitoring method, in particular a kind ofly efficiently the incident of MU3A agreement is carried out related method with the incident of agreement H.248.
Background technology
Existing M3UA (MTP-3 user's adapting protocol, MTP 3USERADAPT) is the function that is used for simulating the 3rd layer of Message Transfer Part MTP in the No.7 nation-wide Network, for upper strata existing telephone user/application provides original primitive interface.H.248 (MGCP) can be used to provide foundation, modification and the releasing mechanism of control medium, simultaneously also portability some with the road call signaling, support the calling of legacy network terminal.In actual application environment, the M3UA and the use that H.248 often all combines, such as in soft switchcall server, M3UA has born the function that signaling continues, and has H.248 born the mutual function of medium.
The IP signaling monitoring system adopts the mode of IP front end processor to gather signalling message data from the IP signaling link, and can put in order, analyze and add up signalling message data, therefore by it can detail knowledge the whole network various call proceeding processes.And carry out profound network management, service management, user management and the network optimization, the network planning, network design.
So-called incident is synthetic, generate TDR (event detail records, Transaction Detail Record is hereinafter to be referred as TDR) or CDR (call detail record according to the signalling message data that collects and according to certain rule exactly, Call Detail Record, hereinafter to be referred as: CDR).The synthetic incident that produces, for carrying out profound network management, service management, user management and the network optimization, the network planning, network design, signaling monitoring system provides most basic initial data, this is the function that network management system can't realize, the incident of therefore we can say is synthetic to be that entire I P signaling monitoring system carries out the basis that follow-up data is analyzed after the data acquisition.
So-called event correlation, the TDR/CDR that the different agreement part is produced carries out association exactly.Relate to M3UA in the soft switch field at present, H.248, variety of protocols such as SIP.More common mode be M3UA and H.248 agreement be used in combination, complement one another.M3UA and H.248 agreement can both distinguish on the basis of compound event, monitoring system need be carried out association to the TDR of these two kinds of agreements, makes the user can view a complete process when checking call record, rather than isolated TDR.
But at present prior art still not about the M3UA incident and H.248 the method for event correlation disclose.
Summary of the invention
The objective of the invention is to propose a kind of M3UA incident and the correlating method of incident H.248, be a kind of feasible correlating method.
Technical scheme of the present invention comprises:
A kind of M3UA incident and the correlating method of incident H.248, it comprises step:
A defines the M3UA incident and the Correlation Criteria of incident H.248 respectively, and the Correlation Criteria of described M3UA incident is circuit information sign indicating number (CIC), OPC Origination Point Code (OPC), Destination Point Code (DPC); The Correlation Criteria of described H.248 incident is the ID (TID) of time-division multifrequency end points;
B gathers the data of soft switch, and carries out M3UA respectively and H.248 the incident of agreement is synthetic;
Synthetic event detail records (TDR) structure that generates or fill M3UA of the described M3UA incident of C is carried out related with incident H.248 according to Correlation Criteria; H.248 synthetic event detail records (TDR) structure that generates or fill H.248 of protocol events is carried out related with the M3UA incident according to Correlation Criteria;
Can carry out related with described M3UA incident if the described M3UA incident of D can be carried out related or described H.248 incident with described H.248 incident, and correlation time is in a scheduled time scope, then set up or fill correlating event detail record (TDR), judge whether correlating event is finished, if do not finish, continue to read next bar signaling and analyze; If finish, described correlating event sealing, output complete event detail record (TDR) structure is carried out Next incident and is synthesized;
Can not carry out related with described M3UA incident if the described M3UA incident of E can not be carried out related or described H.248 incident with described H.248 incident, perhaps exceed correlation time in the scheduled time scope, judge then whether the M3UA/H.248 incident is finished, if do not finish, continue to read next bar signaling and analyze; If finish, then M3UA/H.248 incident sealing, output complete event detail record (TDR) structure is carried out Next incident and is synthesized.
Described method, wherein, described association process comprises:
H.248 when call event is set up, ID (TID) according to time-division multifrequency end points removes to search circuit information sign indicating number (CIC), visit ground mobile switching centre (VMSC)/Tandem Mobile Switching Center (TMSC) signaling point code, Trunk Media Gateway/SGW (SG) signaling point code, circuit information sign indicating number (CIC) and a pair of signaling point code composite character value, remove to search in the correlating event record according to this characteristic value, if can find and time of two incidents in control range, then fill correlating event; Otherwise set up correlating event, the characteristic value of correlating event is set to the ID (TID) of time-division multifrequency end points.
Described method, wherein, described association process comprises:
M3UA is in DATA ISUP event establishment, according to circuit information sign indicating number (CIC), OPC Origination Point Code (OPC), Destination Point Code (DPC) goes ID (TID) corresponding relation of time-division multifrequency end points to search the ID (TID) of time-division multifrequency end points, the ID of time-division multifrequency end points (TID) as characteristic value, remove to search in the correlating event record according to characteristic value, if can find and time of two incidents in control range, then fill correlating event, characteristic value is set to circuit information sign indicating number (CIC), OPC Origination Point Code (OPC), Destination Point Code (DPC); Otherwise set up correlating event, characteristic value is set to circuit information sign indicating number (CIC), OPC Origination Point Code (OPC), Destination Point Code (DPC).
Described method, wherein, described association process also comprises:
H.248 when call event finishes, ID (TID) according to time-division multifrequency end points removes to search circuit information sign indicating number (CIC), visit ground mobile switching centre (VMSC)/Tandem Mobile Switching Center (TMSC) signaling point code, Trunk Media Gateway/SGW (SG) signaling point code, circuit information sign indicating number (CIC) and a pair of signaling point code composite character value, remove to search in the correlating event record according to characteristic value, if can find, fill correlating event, close correlating event.
A kind of M3UA incident provided by the present invention and the correlating method of incident H.248, compared with prior art, comprehensively, synthetically consider the common trait between two kinds of protocol datas from the system aspects, effectively solved the IP signaling monitoring system is carried out the necessary TDR data of Conjoint Analysis to the incident of M3UA and incident H.248 generation problem; The inventive method is implemented simple, considers completely, passes through to experimental results show that it is effective.
Description of drawings
Fig. 1 is the event correlation flow chart of the inventive method;
Fig. 2 is the M3UA event correlation flow chart in the specific embodiment of the inventive method;
Fig. 3 is the H.248 event correlation flow chart in the specific embodiment of the inventive method;
Fig. 4 is the incident synthetic schemes of the M3UA in the inventive method;
Fig. 5 is the incident synthetic schemes H.248 in the inventive method.
Embodiment
Below in conjunction with accompanying drawing, will carry out comparatively detailed explanation to each preferred embodiment of the present invention.
The agreement with the call record event correlation that relates in the inventive method comprises: M3UA (the 3rd layer of user's adapting protocol MTP of MTP 3USERADAPT), H.248 (MGCP).For the TDR that these two kinds of agreements are produced associates, the present invention has designed a kind of feasible correlating method, and its overall procedure comprises that implementation step is as follows as shown in Figure 1:
The Correlation Criteria that A defines the DATA_ISUP incident of Correlation Criteria: M3UA is CIC, OPC, DPC; The Correlation Criteria of call event H.248 is TID, i.e. the ID of TDM termination, and TDM is the meaning of time-division multifrequency.
B gathers the data of soft switch;
C analyzes the data that collect, and reads a signaling, judges the protocol class of signaling, enters the M3UA or the handling process of agreement H.248 according to protocol class then;
D M3UA and H.248 the handling process of agreement extract separately characteristic value according to protocol class and type of message, the characteristic value of every kind of protocol class is formed variant;
It is synthetic that the handling process of E M3UA is carried out incident according to characteristic value, generates or fill the TDR structure of M3UA, carries out and incident related H.248 according to Correlation Criteria, and step F is then changeed in the energy association, can not association then change step G; H.248 to carry out incident according to characteristic value synthetic for the handling process of agreement, generates or fill TDR structure H.248, carries out related with the M3UA incident according to Correlation Criteria, can association then change step F, can not association then change step G;
If F can carry out association, then set up or fill correlating event TDR, judge whether correlating event is finished, if do not finish, forward described step e to and continue to read next bar signaling and analyze; If finish, complete TDR structure is exported in then major issue sealing, and changeing step C, to carry out Next incident synthetic;
If G can not carry out association, judge whether the M3UA/H.248 incident is finished, if do not finish, forward described step C to and continue to read next bar signaling and analyze; If finish, complete TDR structure is exported in then M3UA/H.248 incident sealing, and changeing described step C, to carry out Next incident synthetic.
In the invention described above step, the described operation of B-E is that M3UA and incident H.248 are synthetic, and its detailed technology specification specified is applied for a patent in the applicant's the same period in " event synthesizing method of M3UA message " and " the H.248 event synthesizing method of message " description.
The concrete enforcement of the inventive method comprises three big steps, emphasis be first step definition Correlation Criteria and final step how to carry out relatedly, detailed process is as follows:
One. the definition Correlation Criteria
In ADD TDM message H.248, the characteristic value TID that a key is arranged is the ID of TDM termination, and TDM is the meaning of time-division multifrequency, and TID is that system is by the predetermined value of computing.In the network planning of soft switch, TMG (Trunk Media Gateway)/SG (SGW) meeting and VMSC (visit ground mobile switching centre)/TMSC (Tandem Mobile Switching Center) links, and the speech channel that can hold between the two pre-defines.The speech channel of a time slot between corresponding TMG/SG of each TID and the VMSC/TMSC.For example:
Like this can be in advance TID and CIC, the VMSC/TMSC signaling point code, the TMG/SG signaling point code, the corresponding relation of CIC is noted, and makes a TID mapping table, uses for follow-up association process.
Also to consider the influencing factor in the time interval simultaneously, even if M3UA and H.248 incident according to Correlation Criteria can be related on, but both time to be controlled in the scope, if the time interval is oversizely just thought associated errors.
If the TMG/SG signaling point code is represented OPC, the VMSC/TMSC signaling point code is represented DPC so, if instead the TMG/SG signaling point code is represented DPC, the VMSC/TMSC signaling point code is represented OPC so.Therefore OPC, DPC is called a pair of signaling point code.
The synthetic respectively incident separately of the data of two .M3UA/H.248 agreements;
The incident synthesis flow of described M3UA as shown in Figure 4, the implementation step of flow process comprises:
The ID of A1 configuration network element device gathers the data of IP signaling;
B1 analyzes the data that collect, read a signaling, judge the protocol class of this signaling, whether determination methods is to be 3 according to the load sign that whether has adopted Stream Control Transmission Protocol and Stream Control Transmission Protocol on the IP layer, if these conditions just all meet data is put into the synthetic handling process of M3UA incident;
C1 is according to different message extraction characteristic value separately, and the characteristic value of different messages is formed variant, at the composition of different messages characteristic value, follow-uply has a detailed description;
D1 synthesizes according to the characteristic value incident of carrying out, and generates or fill the TDR structure;
Whether the E1 decision event is synthetic finishes, if do not finish, forwards step B1 to, continues to read next bar signaling and analyzes.If finish, complete TDR structure is exported in the incident sealing, and it is synthetic that commentaries on classics step B1 carries out Next incident.
H.248 the incident synthesis step of the inventive method comprises as shown in Figure 5:
A2 disposes network element device, and the data of IP signaling are gathered;
B2 analyzes the data that collect, read a signaling, judge the protocol class of signaling, determination methods is according to having adopted the load of Stream Control Transmission Protocol and Stream Control Transmission Protocol to be designated 7 on the IP layer, and having adopted the port of TCP/UDP agreement and agreement on the IP layer is 2944/2945; If these conditions just all meet data are put into the H.248 synthetic handling process of incident;
C2 is according to different message extraction characteristic value separately, and the characteristic value of different messages is formed variant, at the composition of different messages characteristic value, follow-uply has a detailed description;
D2 carries out relevant incident according to characteristic value and News Category and synthesizes, and generates or fill the TDR structure; The incident synthesis type has increase, moves, revise, and deletion, audits and compliance, the audits and compliance ability, notice and service change etc. are referred to as regular event, once only relate to one type incident;
Whether the E2 decision event is synthetic finishes, if do not finish, forwards described step B to and continues to read next bar signaling and analyze.If finish, then incident sealing.
F2 carries out call event according to characteristic value and synthesizes, and this call event is the 8 kinds of incident recombinants in front together in fact, generates or fill the TDR structure of call event, if call event is not finished, directly changes step B2 and handles; If finish, then export the TDR structure of full call incident, changeing described step B2, to carry out Next incident synthetic.
Three. operation associated
Operation associated need carrying out in the synthetic process of the incident of M3UA/H.248 do not influence the synthetic operation of original incident.The correlating event TDR structure that related back is set up is that monitoring system is carried out the imformosome that follow-up data is analyzed, it includes system and carries out some required information of subsequent analysis for example calling number, called number, call loss classification, call duration, TID etc., the content of concrete structure can be decided according to the demand of monitoring system subsequent analysis.
Concrete steps can comprise referring to Fig. 2 and shown in Figure 3:
E1, H.248 when call event is set up, remove to search CIC according to TID, the VMSC/TMSC signaling point code, the TMG/SG signaling point code is CIC and a pair of signaling point code composite character value.Go to search record in the related major issue according to characteristic value, if can find and time of two incidents in control range, fill related major issue.Otherwise set up related major issue, the characteristic value of major issue is set to TID.
E2, M3UA are in the DATA_ISUP event establishment, this moment, message was IAM, according to CIC, and OPC, DPC goes the TID corresponding relation to search TID, TID as characteristic value, is gone to search record in the related major issue according to characteristic value, if can find and time of two incidents in control range, fill related major issue, characteristic value is set to CIC, OPC, DPC.Otherwise set up related major issue, characteristic value is set to CIC, OPC, DPC.
E3, H.248 in other message of call event, remove to search CIC according to TID, the VMSC/TMSC signaling point code, the TMG/SG signaling point code is CIC and a pair of signaling point code composite character value.Go to search record in the related major issue according to characteristic value,, fill related major issue if can find.
E4, M3UA be in other message of DATA_ISUP incident, according to CIC, and OPC, DPC composite character value goes to search record in the related major issue according to characteristic value, if can find, fills related major issue.
E5, H.248 when call event finishes, remove to search CIC according to TID, the VMSC/TMSC signaling point code, the TMG/SG signaling point code is CIC and a pair of signaling point code composite character value.Go to search record in the related major issue according to characteristic value,, fill related major issue, close related major issue then if can find.
Of the present invention this is associated to method and comprehensively, synthetically considers two kinds of common traits between the protocol data from system aspects, propose a kind of method of unified event correlation, thereby effectively solved the IP signaling monitoring system is carried out the necessary TDR data of Conjoint Analysis to the incident of M3UA and incident H.248 generation problem.This method is implemented simple, considers completely, passes through to experimental results show that it is effective.
Although in conjunction with the accompanying drawings specific implementation method of the present invention is described above; but the inventive method is not limited to above-mentioned embodiment; also be not limited to the M3UA and the class of business of monitoring signaling H.248; above-mentioned embodiment only is schematic; rather than it is restrictive; those skilled in the art is under the enlightenment of the inventive method; do not breaking away under the scope situation that the inventive method aim and claim protect; can also make a lot of distortion, these all belong to asking for protection within the scope of the inventive method.
Claims (4)
1. a M3UA incident and the H.248 correlating method of incident, it comprises step:
A, define the M3UA incident and the Correlation Criteria of incident H.248 respectively, the Correlation Criteria of described M3UA incident is circuit information sign indicating number (CIC), OPC Origination Point Code (OPC), Destination Point Code (DPC); The Correlation Criteria of described H.248 incident is the ID (TID) of time-division multifrequency end points;
B, the data of soft switch are gathered, and carry out M3UA respectively and H.248 the incident of agreement is synthetic;
Synthetic event detail records (TDR) structure that generates or fill M3UA of C, described M3UA incident is carried out related with incident H.248 according to Correlation Criteria; H.248 synthetic event detail records (TDR) structure that generates or fill H.248 of protocol events is carried out related with the M3UA incident according to Correlation Criteria;
Can carry out related with described M3UA incident if the described M3UA incident of D can be carried out related or described H.248 incident with described H.248 incident, and correlation time is in a scheduled time scope, then set up or fill correlating event event detail records (TDR), judge whether correlating event is finished, if do not finish, continue to read next bar signaling and analyze; If finish, described correlating event sealing, output complete event detail record (TDR) structure is carried out Next incident and is synthesized;
Can not carry out related with described M3UA incident if the described M3UA incident of E can not be carried out related or described H.248 incident with described H.248 incident, perhaps exceed correlation time in the scheduled time scope, judge then whether the M3UA/H.248 incident is finished, if do not finish, continue to read next bar signaling and analyze; If finish, then M3UA/H.248 incident sealing, output complete event detail record (TDR) structure is carried out Next incident and is synthesized.
2. method according to claim 1 is characterized in that, described association process comprises:
H.248 when call event is set up, ID (TID) according to time-division multifrequency end points removes to search circuit information sign indicating number (CIC), visit ground mobile switching centre (VMSC)/Tandem Mobile Switching Center (TMSC) signaling point code, Trunk Media Gateway/SGW (SG) signaling point code, circuit information sign indicating number (CIC) and a pair of signaling point code composite character value, remove to search in the correlating event record according to this characteristic value, if can find and time of two incidents in control range, then fill correlating event, otherwise set up correlating event, the characteristic value of correlating event is set to the ID (TID) of time-division multifrequency end points.
3. method according to claim 1 is characterized in that, described association process comprises:
M3UA is in the DATA_ISUP event establishment, according to circuit information sign indicating number (CIC), OPC Origination Point Code (OPC), Destination Point Code (DPC) goes ID (TID) corresponding relation of time-division multifrequency end points to search the ID (TID) of time-division multifrequency end points, the ID of time-division multifrequency end points (TID) as characteristic value, remove to search in the correlating event record according to characteristic value, if can find and time of two incidents in control range, then fill correlating event, characteristic value is set to circuit information sign indicating number (CIC), OPC Origination Point Code (OPC), Destination Point Code (DPC); Otherwise set up correlating event, characteristic value is set to circuit information sign indicating number (CIC), OPC Origination Point Code (OPC), Destination Point Code (DPC).
4. method according to claim 1 is characterized in that, described association process also comprises:
H.248 when call event finishes, ID (TID) according to time-division multifrequency end points removes to search circuit information sign indicating number (CIC), visit ground mobile switching centre (VMSC)/Tandem Mobile Switching Center (TMSC) signaling point code, Trunk Media Gateway/SGW (SG) signaling point code, circuit information sign indicating number (CIC) and a pair of signaling point code composite character value, remove to search in the correlating event record according to characteristic value, if can find, fill correlating event, close correlating event.
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| WO2001020920A1 (en) * | 1999-09-14 | 2001-03-22 | Inet Technologies, Inc. | Service quality monitoring in a communications network |
| CN1545258A (en) * | 2003-11-17 | 2004-11-10 | 中兴通讯股份有限公司 | No.7 signalling detailed call recording event synthesis method |
| US20040252818A1 (en) * | 2003-06-13 | 2004-12-16 | Liu Angela S. | Apparatus and method to identify inter-MTA calls |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001020920A1 (en) * | 1999-09-14 | 2001-03-22 | Inet Technologies, Inc. | Service quality monitoring in a communications network |
| US20040252818A1 (en) * | 2003-06-13 | 2004-12-16 | Liu Angela S. | Apparatus and method to identify inter-MTA calls |
| CN1545258A (en) * | 2003-11-17 | 2004-11-10 | 中兴通讯股份有限公司 | No.7 signalling detailed call recording event synthesis method |
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