CN102143015B - No.7 signaling network monitoring method and system - Google Patents
No.7 signaling network monitoring method and system Download PDFInfo
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- CN102143015B CN102143015B CN 201010557487 CN201010557487A CN102143015B CN 102143015 B CN102143015 B CN 102143015B CN 201010557487 CN201010557487 CN 201010557487 CN 201010557487 A CN201010557487 A CN 201010557487A CN 102143015 B CN102143015 B CN 102143015B
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Abstract
The embodiment of the invention provides a No.7 signaling network monitoring method and a No.7 monitoring system. The method comprises the following steps of: receiving a message signal unit (MSU) from a monitored link; delivering the received MSU into a synthesis processing module; and performing synthesis on call detail records (CDR) or transaction detail records (TDR) according to the receivedMSU by using the synthesis processing module, wherein the step of delivery the received MSU into the synthesis processing module comprises the steps of identifying a protocol service identifier of the MSU and delivering the MSU according to the identified protocol service identifier. By the No.7 signaling network monitoring method and the No.7 signaling network monitoring system provided by the embodiment of the invention, monitored maximum data traffic is ensured to be improved, and simultaneously the synthesis accuracy of the CDRs and the TDRs can be ensured.
Description
Technical field
The invention belongs to the network monitor technical field, relate in particular to a kind of Signaling System Number 7 net monitoring method and system.
Background technology
At present the Signaling System Number 7 test instrumentation is adopted in the monitoring of Signaling System Number 7 net, existing Signaling System Number 7 test instrumentation mainly carries out the collection of MSU (Message Signal Unit, message signal unit) to the signaling link of two inter-exchanges.Carrying out CDR (Call Detail record, call detail record) and TDR (Transaction Detail record, during the affairs detail record) synthetic, need synthesize processing to the MSU in same call or the same business procedure, existing Signaling System Number 7 net tester adopts self integrated concentrated synthetic processing, because the disposal ability of Signaling System Number 7 tester is limited, thereby has limited the maximum data flow that can handle.
In addition, when synthetic CDR or TDR, the identical situation of MSU in the signaling link can appear also gathering.For the synthetic CDR of call, and once business is synthesized a TDR, need do reprocessing (abbreviation goes heavily to handle) to identical MSU, could guarantee the synthetic accuracy of CDR and TDR like this, but MSU not gone heavy function in the existing Signaling System Number 7 monitor.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of monitoring method and system of Signaling System Number 7 net, can guarantee to improve the maximum data flow of monitoring, can guarantee the accuracy that CDR and TDR are synthetic simultaneously.
For achieving the above object, the invention provides a kind of monitoring method of Signaling System Number 7 net, comprising:
From monitored link, receive MSU;
The described MSU that receives is distributed in the synthetic processing module;
Synthetic processing module is carried out the synthetic of call detail record (CDR) or affairs detail record (TDR) according to the MSU that receives;
Wherein, describedly the MSU that receives be distributed to synthetic processing module comprise:
Identify the protocol service sign of described MSU, according to the protocol service sign that identifies, described MSU is distributed.
Preferably, describedly the MSU that receives is distributed to synthetic processing module also comprises: advanced signal transit point (HSTP) and the rudimentary signaling transfer point (LSTP) of identifying described MSU;
The protocol service sign that described basis identifies is distributed described MSU and is comprised: according to the protocol service that identifies and the HSTP that identifies and LSTP, described MSU is distributed.
Preferably, describedly the MSU that receives is distributed to synthetic processing module also comprises: identify the message Original Point Code OPC (OPC) of described MSU and destination signaling point encode (DPC);
The protocol service sign that described basis identifies is distributed described MSU and is comprised: according to the protocol service that identifies, HSTP and LSTP and OPC and DPC, described MSU is distributed.
Preferably, described synthetic processing module also goes heavily to handle to the MSU that receives in the building-up process of the synthetic or TDR that is carrying out CDR according to the MSU that receives.
Preferably, in the process of synthetic CDR, the MSU that receives is gone heavily to handle to comprise:
When receiving initial address message (IAM), Address Complete Message (ACM) or response message (ANM), when its with the similar message that is synthesized among the CDR in OPC, DPC and the CIC unanimity of carrying, and, the current IAM that receives, ACM or ANM are removed during less than first threshold with the front and back time of reception difference of similar message;
After receiving Subsequent Address Message SAM (SAM), judge whether the chain line of this SAM is consistent with the chain line in the IAM message that is synthesized among the CDR, if inconsistent, then the current SAM that receives is removed.
Preferably, in the process of synthetic TDR, the MSU that receives is gone heavily to handle to comprise:
When receiving SCCP (SCCP) message, judge this SCCP message whether be synthesized to the caller GT (global address) that SCCP message is carried among the TDR, called GT (global address), Sub-System Number, whether TC_OID (TCAP Transaction Sub-Layer source sign) all identical with TC_DID (TCAP Transaction Sub-Layer destination sign), simultaneously this SCCP message with whether be synthesized to the time of reception difference of the SCCP message among the TDR less than first threshold, when judged result when being, the current SCCP message that receives is removed.
Preferably, described monitored link and DXC (DigitlXConnect, digital cross connect equipment) link to each other, and the described MSU specific implementation that receives from monitored link is: collect the MSU in the monitored link from DXC;
Described method also comprises: the DXC controller sends the link selection instruction to DXC, comprises the link information of the needs monitoring that the user selects in the described link selection instruction; Described DXC selects monitored link according to the link selection instruction that receives from connected signaling link.
On the other hand, the present invention also provides a kind of monitoring system of Signaling System Number 7 net, comprising:
Data distribution reason module is used for receiving MSU from monitored link, and the described MSU that receives is distributed in the synthetic processing module;
Synthetic processing module is used for carrying out the synthetic of call detail record (CDR) or affairs detail record (TDR) according to the MSU that receives;
Described data distribution reason module comprises:
Protocol service sign recognin module is for the protocol service sign of identifying the MSU that receives;
The distribution submodule is used for the protocol service sign according to MSU, and described MSU is distributed.
Preferably, comprise in the described synthetic processing module that first goes heavy processing sub;
Described first goes heavy processing sub to be used for when synthetic processing module receives initial address message (IAM), Address Complete Message (ACM) or response message (ANM), detect its with the similar message that is synthesized among the CDR in OPC (message Original Point Code OPC), the DPC (destination signaling point coding) that carry and CIC (cic circuit identification code) whether consistent, and with the front and back time of reception difference of similar message whether less than first threshold, if judged result is for being, then with the current IAM that receives, ACM or ANM removal;
Described first goes heavy processing sub also to be used for after synthetic processing module receives Subsequent Address Message SAM (SAM), whether whether the chain line that detects this SAM with to be synthesized to IAM among the CDR chain line in disappearing consistent, if inconsistent, then the current SAM that receives is removed.
Preferably, comprise that also second goes heavy processing sub, link to each other with described synthetic processing module;
Described second goes heavy processing sub to be used for when synthetic processing module receives SCCP (SCCP) message, judge this SCCP message whether be synthesized to TDR in SCCP message the caller global address, called global address, Sub-System Number, TC_OID and the TC_DID that carry whether all identical, simultaneously this SCCP message with whether be synthesized to the time of reception difference of the SCCP message among the TDR less than first threshold, when judged result when being, simultaneously the current SCCP message that receives is removed.
Monitoring method and the system of the Signaling System Number 7 net that the embodiment of the invention provides can guarantee to improve the maximum data flow of monitoring, can guarantee the accuracy that CDR and TDR are synthetic simultaneously.
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 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 the schematic diagram of the monitoring method of a kind of Signaling System Number 7 net provided by the invention;
Fig. 2 is the signaling process figure of individual call;
Fig. 3 is the schematic diagram of DXC process control;
Fig. 4 is the Organization Chart of the interior Long-distance Control networking model of band in the embodiment of the invention;
Fig. 5 is the Organization Chart of the outer Long-distance Control networking model of band in the embodiment of the invention;
Fig. 6 is the schematic diagram of the monitoring system of a kind of Signaling System Number 7 net of providing of the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment 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 embodiment of the invention provides a kind of monitoring method of Signaling System Number 7 net, and as shown in Figure 1, this method comprises the steps:
Step S101: from monitored link, receive MSU.
In the network architecture of reality, on-the-spot link can link to each other with DXC (DigitlXConnect, digital cross connect equipment), and DXC can be divided into multistage, and the higher DXC of rank finishes the function that the MSU in the link that the lower DXC of rank is reported restrains.
Step S102: the described MSU that receives is distributed in the synthetic processing module.
For the consideration of supervisory control system smooth expansion, and improve the accuracy of synthesizing CDR and TDR, MSU need be distributed in the synthetic processing module of appointment.For example, system only detected 150 links originally, being increased to afterwards needs to detect 300 signaling links, wherein part interoffice signaling link group becomes 8 by 4, the collecting device that this will look for novelty and increase, must be distributed to the respective protocol business in the synthetic processing module of appointment with the MSU data of identical interoffice, follow-up like this supervisory control system just can guarantee the signaling link that inserts early stage not to be adjusted in dilatation, namely realizes level and smooth dilatation.
Step S103: synthetic processing module is carried out the synthetic processing of CDR or TDR according to the MSU that receives.
Can comprise at the distribution procedure that carries out MSU among the above-mentioned steps S102: at first identify the protocol service sign of MSU, in practice, the protocol service sign can comprise: TUP, ISUP, MAP, CAP, INAP, BSSAP or CDMA etc.Above-mentioned distribution to MSU can be carried out according to the protocol service sign of the MSU that identifies.
In addition, after receiving MSU, can also identify advanced signal transit point (HSTP) and the rudimentary signaling transfer point (LSTP) of MSU, when MSU is distributed, consider protocol service, HSTP and the LSTP of MSU this moment simultaneously.Further, can also identify message Original Point Code OPC (OPC) and the destination signaling point coding (DPC) of MSU, consider protocol service, HSTP and LSTP, OPC and the DPC of MSU this moment simultaneously when MSU is distributed, can guarantee that like this message of pairing link sends in the synthetic processing module of appointment.
Owing to exist a large amount of LSTP or HSTP switch to need monitoring and maintenance in the Signaling System Number 7 net, therefore the identical situation of MSU in the link appears gathering inevitably, carrying out the synthetic of CDR or TDR, must when synthetic the processing, carry out MSU go heavily handle, thereby guarantee the synthetic accuracy of CDR and TDR, satisfy the demand of system applies business statistics.
Below be described in detail in the process of synthesizing CDR MSU is gone heavy process.
Fig. 2 shows the individual call signaling process, need to prove, though there is the replication problem of multiple message on stream, owing to only be concerned about partial information among the CDR, so the size that influences that repeats synthetic CDR of every kind of information also is different in the call flow.For example, there are repeatability in SAM and MPM, and MPM is pulse metering information, and therefore it also just can consider it is gone heavily for the synthetic not influence of CDR.For the repeating and will impact synthetic CDR of SAM, because comprised information such as subsequent address number among the SAM, this is bigger for the influence of the called number information among the CDR.
When receiving initial address message (IAM), Address Complete Message (ACM) or response message (ANM), when its with the similar message that is synthesized among the CDR in OPC, DPC and the CIC unanimity of carrying, and, will satisfy the current message that receives of above-mentioned condition and remove during less than first threshold with the front and back time of reception difference of similar message.The first threshold here can be adjusted according to the propagation delay time of STP flexibly by receiver, for example can be set at 2 seconds in practice.
After receiving Subsequent Address Message SAM (SAM), judge whether the chain line of this SAM is consistent with the chain line in the IAM message that is synthesized among the CDR, if inconsistent, then the SAM with current reception removes, and finishes heavily and handles.
Below be described in detail in the process of synthesizing TDR MSU is gone heavy process.
When synthesizing TDR, repeating synthetic process influence of SCCP is bigger.SCCP message is through LSTP and HSTP the time, and the information of SCCP layer any variation can not take place, and just OPC, DPC and the SLS information of MTP3 layer change according to GT (global address)+SSN (Sub-System Number) or SCCP_DPC+SSN destination address.Based on above-mentioned consideration, when receiving SCCP message, judge whether all identical with TC_DID (TCAP Transaction Sub-Layer destination sign) with caller global address, called global address, SSN, the TC_OID (TCAP Transaction Sub-Layer source sign) that the SCCP message that is synthesized among the TDR is carried whether this SCCP message, simultaneously this SCCP message with whether be synthesized to the time of reception difference of the SCCP message among the TDR less than first threshold, when judged result is when being, the current SCCP message that receives is removed, finished heavy process.
In addition, existing DXC equipment adopts all load modes of convergence, and the whole links that are about to connected dispersion are all restrained, and the MSU that is about in connected whole link reports in monitoring system, namely adopts the working method of " adopting full prison entirely ".
The Signaling System Number 7 monitoring method that provides in the embodiment of the invention preferably utilizes DXC and DXC controller to realize namely realizing the working method of " adopting few prison " to monitoring the selection of link more.Particularly, the DXC controller sends the link selection instruction according to user's instruction to DXC, comprises the link information of the needs monitoring that the user selects in the link selection instruction.Like this by remote control management DXC, can select the link of the monitoring of monitoring system.
Below describe above-mentioned specific implementation to the control of DXC process in detail with the example shown in Fig. 3.Fig. 3 is a kind of networking schematic diagram of monitoring system.Here, the signaling link of far-end is all restrained by one-level DXC earlier, and the convergence link is transferred to the province center through " special-purpose 2M transmission network ", is linked into secondary DXC again, and secondary DXC finishes the function of " adopting few prison " more again.The user instructs to the input of DXC controller by operating terminal, make the DXC controller send the link selection instruction to secondary DXC, after the signaling transponder receives this instruction, according to the destination address in the instruction, forward it among the secondary DXC, among the secondary DXC according to the indication of this instruction, from inserting the link of whole link selection monitorings wherein, and with upwards transmission of the MSU in the detected link, finally carry out the synthetic of CDR or TDR for the synthetic processing module in the central station.
Long-distance Control for DXC can be divided into distance control mode and the outer distance control mode of band in the band.
A. for Long-distance Control networking model in the band, can adopt convergence E1 link, the position of link according to access network is numbered, Jian Ce link as required can be by the converged paths of DXC or central station intelligence computation link.For Long-distance Control networking model in the band, can adopt the network architecture among Fig. 4.Wherein DDC is the special-purpose control terminal of DXC and DXC controller, embedded DDC controlling application program, control DXC signaling transponder.DXCsvr is the plug-in of DXC signaling transponder.Far-end DXC is RSM series, by models such as RSM-2D.The said equipment connects by the E1 link mode.Uplink information arrives DDC by " front " and the built-in Mainsvr processing forward of PCI/CPCI front-end collection machine, finishes the control processing procedure of closed loop.
B. for the outer Long-distance Control networking model of band.This pattern adopts wide area network or local area network (LAN) to connect control mode.Each DXC distributing independent IP address, the DXC controller with central station passes through the wide area network interactive information then.Fig. 5 shows the Organization Chart of the outer Long-distance Control networking model of band.
In addition, the embodiment of the invention is the corresponding monitoring system that a kind of Signaling System Number 7 net is provided also, and as shown in Figure 6, this system comprises:
Data distribution reason module 601 is used for receiving MSU from monitored link, and the described MSU that receives is distributed in the synthetic processing module;
Data distribution reason module 601 comprises:
Protocol service sign recognin module 6011 is for the protocol service sign of identifying the MSU that receives;
In addition, can comprise in the synthetic processing module 602 in the above-mentioned monitoring system that first goes heavy processing sub 6021;
First goes heavy processing sub 6021 to be used for when synthetic processing module receives initial address message (IAM), Address Complete Message (ACM) or response message (ANM), detect its with the similar message that is synthesized among the CDR in the OPC, the DPC that carry and CIC whether consistent, and with the front and back time of reception difference of similar message whether less than first threshold, if judged result is for being, then with the current IAM that receives, ACM or ANM removal; Described first goes heavy processing sub 603 also to be used for after synthetic processing module receives Subsequent Address Message SAM (SAM), whether whether the chain line that detects this SAM with to be synthesized to IAM among the CDR chain line in disappearing consistent, if inconsistent, then the current SAM that receives is removed.
In addition, can also comprise in the synthetic processing module 602 in the above-mentioned monitoring system that second goes heavy processing sub 6022; Second goes heavy processing sub 6022 to be used for when synthetic processing module 602 receives SCCP (SCCP) message, judge this SCCP message whether be synthesized to TDR in SCCP message the caller global address, called global address, Sub-System Number, TC_OID and the TC_DID that carry whether all identical, simultaneously this SCCP message with whether be synthesized to the time of reception difference of the SCCP message among the TDR less than first threshold, when judged result when being, simultaneously the current SCCP message that receives is removed.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. the monitoring method of a Signaling System Number 7 net is characterized in that, comprising:
From monitored link, receive MSU;
The described MSU that receives is distributed in the synthetic processing module;
Synthetic processing module is carried out the synthetic of call detail record CDR or affairs detail record TDR according to the MSU that receives;
Described synthetic processing module goes heavily to handle to the MSU that receives in the building-up process of the synthetic or TDR that is carrying out CDR according to the MSU that receives;
Wherein, in the process of synthetic TDR, the MSU that receives is gone heavily to handle to comprise:
When receiving SCCP SCCP message, judge this SCCP message whether be synthesized to the caller global address GT that SCCP message is carried among the TDR, called global address GT, Sub-System Number, whether TCAP Transaction Sub-Layer source sign TC_OID all identical with TCAP Transaction Sub-Layer destination sign TC_DID, simultaneously this SCCP message with whether be synthesized to the time of reception difference of the SCCP message among the TDR less than first threshold, when judged result when being, the current SCCP message that receives is removed;
Describedly the MSU that receives be distributed to synthetic processing module comprise:
Identify the protocol service sign of described MSU, according to the protocol service sign that identifies, described MSU is distributed.
2. method according to claim 1 is characterized in that, describedly the MSU that receives is distributed to synthetic processing module also comprises: the advanced signal transit point HSTP and the rudimentary signaling transfer point LSTP that identify described MSU;
The protocol service sign that described basis identifies is distributed described MSU and is comprised: according to the protocol service that identifies and the HSTP that identifies and LSTP, described MSU is distributed.
3. method according to claim 2 is characterized in that, describedly the MSU that receives is distributed to synthetic processing module also comprises: the message Original Point Code OPC OPC and the destination signaling point encoding D PC that identify described MSU;
The protocol service sign that described basis identifies is distributed described MSU and is comprised: according to the protocol service that identifies, HSTP and LSTP and OPC and DPC, described MSU is distributed.
4. method according to claim 3 is characterized in that, in the process of synthetic CDR, the MSU that receives is gone heavily to handle to comprise:
When receiving initial address message IAM, Address Complete Message ACM or response message ANM, when its with the similar message that is synthesized among the CDR in OPC, DPC and the CIC unanimity of carrying, and, the current IAM that receives, ACM or ANM are removed during less than first threshold with the front and back time of reception difference of similar message;
After receiving Subsequent Address Message SAM SAM, judge whether the chain line of this SAM is consistent with the chain line in the IAM message that is synthesized among the CDR, if inconsistent, then the current SAM that receives is removed.
5. according to any described method in the claim 1 to 4, it is characterized in that, described monitored link links to each other with DXC, and the described MSU specific implementation that receives from monitored link is: collect the MSU in the monitored link from digital cross connect equipment DXC;
Described method also comprises: the DXC controller sends the link selection instruction to DXC, comprises the link information of the needs monitoring that the user selects in the described link selection instruction; Described DXC selects monitored link according to the link selection instruction that receives from connected signaling link.
6. the monitoring system of a Signaling System Number 7 net is characterized in that, comprising:
Data distribution reason module is used for receiving MSU from monitored link, and the described MSU that receives is distributed in the synthetic processing module;
Synthetic processing module is used for carrying out the synthetic of call detail record CDR or affairs detail record TDR according to the MSU that receives;
Described data distribution reason module comprises:
Protocol service sign recognin module is for the protocol service sign of identifying the MSU that receives;
The distribution submodule is used for the protocol service sign according to MSU, and described MSU is distributed;
Described synthetic processing module comprises that second goes heavy processing sub;
Described second goes heavy processing sub to be used for when synthetic processing module receives SCCP SCCP message, judge this SCCP message whether be synthesized to TDR in SCCP message the caller global address, called global address, Sub-System Number, TC_OID and the TC_DID that carry whether all identical, simultaneously this SCCP message with whether be synthesized to the time of reception difference of the SCCP message among the TDR less than first threshold, when judged result when being, simultaneously the current SCCP message that receives is removed.
7. monitoring system according to claim 6 is characterized in that, described synthetic processing module comprises that also first goes heavy processing sub;
Described first goes heavy processing sub to be used for when synthetic processing module receives initial address message IAM, Address Complete Message ACM or response message ANM, detect its with the similar message that is synthesized among the CDR in the OPC, the DPC that carry and CIC whether consistent, and with the front and back time of reception difference of similar message whether less than first threshold, if judged result is for being, then with the current IAM that receives, ACM or ANM removal;
Described first goes heavy processing sub also to be used for after synthetic processing module receives Subsequent Address Message SAM (SAM), the chain line that detects this SAM whether with the IAM message that is synthesized among the CDR in the chain line whether consistent, if inconsistent, then the current SAM that receives is removed.
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| CN113543138A (en) * | 2021-07-15 | 2021-10-22 | 恒安嘉新（北京）科技股份公司 | Abnormal call interception system, method and storage medium |
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| CN103078755B (en) * | 2012-12-31 | 2014-09-17 | 中国人民解放军总参谋部第五十四研究所 | No.7 signaling acquisition and injection system |
| CN111182519B (en) * | 2018-11-09 | 2023-03-24 | 中国电信股份有限公司 | Method and system for setting and sending calling address, network equipment and storage medium |
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| 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 |
| CN1547374A (en) * | 2003-12-12 | 2004-11-17 | 中兴通讯股份有限公司 | A method for allochthonic synthesis of signalling event in No.7 signalling system |
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| 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 |
| CN1547374A (en) * | 2003-12-12 | 2004-11-17 | 中兴通讯股份有限公司 | A method for allochthonic synthesis of signalling event in No.7 signalling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113543138A (en) * | 2021-07-15 | 2021-10-22 | 恒安嘉新（北京）科技股份公司 | Abnormal call interception system, method and storage medium |
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