CN1547352A

CN1547352A - Method for distributed multi-module management of No.7 signalling / application server process

Info

Publication number: CN1547352A
Application number: CNA2003101121185A
Authority: CN
Inventors: 娜王; 王娜; 梁璐; 蔡辉
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2003-11-14
Filing date: 2003-11-14
Publication date: 2004-11-17
Anticipated expiration: 2023-11-14
Also published as: CN1292559C

Abstract

The invention discloses a seventh signaling chain/application server process multi-model distribution type managing method in communication field, which includes 1. the seventh signaling chain/application server are dispersed in the different SMP model, the OMP model of the system manages the total information table; 2. when the state of the seventh signaling chain/application server is charged, the new state is reported to the OMP model by the SMP model belonging to the seventh signaling chain/application server; 3. if the communication between the SMP model and OMP model occurs failure, then temporary managing process in the SMP model takes over the seventh signaling chain/application server state managing, and generate the new global information table. The invention can reduces the information flow of each model, and realizes the burden distributed, upgrades the reliability of the system effectively.

Description

Signaling System Number 7 link/application server process multimode distribution management method

Technical field

The present invention relates to the communications field, specifically, relate to the multimode distribution management method of No.7 signaling link/ASP in NGN (next generation network, the NextGeneration Network) system.

Background technology

Along with communication system in the increasingly extensive application of every field such as economic and social life, also among fast development, the demand of user for communication system satisfied in technical development to communication system technology itself day by day.No. seven (No.7) signaling is the common channel signalling system that is applicable to digital communication network, is widely used in the circuit-switched network based on slot transmission.In the No.7 signaling network, the carrier that adopts signaling link (connecting the signaling message passage of a signalling point) to transmit between each signalling point as signaling message to another signalling point.The No.7 signaling link of supporting has three kinds at present: narrow-band signaling link and transmission rate that transmission rate is respectively 64kbit/s and n*64kbit/s are the broadband signaling link of 2Mbit/s.All available signaling links from the Original Signaling Point to the destination signaling point are formed a dynamic routing table.When sending message, from this dynamic routing table, choose a signaling link by the signaling link selection that carries in the message, when adopting different signaling link selections, just can realize the load sharing of signaling link.

In network, adopt SIGTRAN (Signalling Transport) signaling to be implemented in to transmit in the IP network No.7 signaling message of PSTN (public switched telephone network, Public SwitchedTelephone Network) network usually based on IP transmission.The SIGTRAN signaling adopts routing key (Routing Key) to carry out the IP network addressing, routing key is described one group of No.7 signaling parameter and parameter value, defined the signaling traffic of handling by specific AS (application server, Application Server) uniquely.Described AS is the logic entity of the specific routing key of service, AS can be the virtual switch unit, the calling procedure of all PSTN relayings that processing is discerned by NO.7 signaling DPC/OPC/CIC (Destination Point Code/OPC Origination Point Code/cic circuit identification code, Destination Point Code/Origination Point Code/CircuitIdentification Code) scope; AS can also be the virtual data library unit, handle the transaction that specific NO.7 signaling DPC/OPC/SCCP_SSN (signaling link control section _ Sub-System Number, Signaling Connection and Control Part_Sub-SystemNumber) combination is discerned.AS comprises one group of unique ASP (application server process, Application Server Process), ASP is the process instance of AS, ASP is as activation or the standby process of AS, for example ASP can be a MGC (Media Gateway Controller, Media GatewayController) or the process of IP SCP (Internet protocol service Control Node, Internet ProtocolService Control Point).ASP and coupling (Association is meant to MTP3-User Agreement data cell and M3UA adaptation layer peer message provide the SCTP of transmission service to be connected) are one to one, can realize transmission of messages in the IP network by coupling.The state of ASP has activation and deactivates two kinds, is that all activated ASP of same AS service forms a dynamic listing, and the ASP that can choose an activation according to the mode of operation of AS according to certain algorithm is its service.

The management of tradition No.7 signaling link/ASP is to adopt centralized way to manage, and promptly all No.7 signaling link/ASP belong to a module and manage, by the unified maintenance of being responsible for the state of all No.7 signaling link/ASP of this module.This centralization exists very serious drawback, and on the one hand because the state of all No.7 signaling link/ASP all comes maintenance management by a module, so the load of this module is very heavy, is easy to occur bottleneck; On the other hand, if break down with communicating by letter of this module, the state variation of then all No.7 signaling link/ASP all can't report, and at this moment the reliability of whole system also just can't be protected.

Summary of the invention

Technical problem to be solved by this invention provides a kind of Signaling System Number 7 link/application server process multimode distribution management method, in the hope of realizing the load sharing of each module, the No.7 signaling link/ASP that solves the prior art existence adopts the bottleneck of existence when managing concentratedly and the problem of system's unreliability.

For achieving the above object, the present invention proposes a kind of Signaling System Number 7 link/application server process multimode distribution management method, it is characterized in that, may further comprise the steps:

Step 1: No.7 signaling link/ASP is dispersed in different SMP (signaling primary processor, SignalMain Processor) module, and SMP is responsible for safeguarding the variation of the No.7 signaling link/ASP state of this module management; The OMP of system (Operation and Maintenance primary processor, Operation Main Processor) the responsible global information table relevant for No.7 signaling link/ASP of module (be meant dynamic routing table for the No.7 signaling link, be meant the dynamic listing of the activation ASP of relevant AS for ASP) manages;

Step 2: when the state of some No.7 signaling link/ASP changes, SMP module by this No.7 signaling link/ASP ownership reports the OMP module with new state, if this moment, this SMP module was normal with communicating by letter of OMP module, then the OMP module regenerates corresponding global information table according to the new state of receiving of No.7 signaling link/ASP, and being synchronized to other each SMP module, all SMP modules use new global information table to carry out the management of routing addressing;

Step 3: if the SMP module in the step 2 breaks down with communicating by letter of OMP module, at this moment the state variation of No.7 signaling link/ASP just can't report the OMP module, for reducing because the message that SMP module and OMP module communication interrupt causing can't be transmitted or the possibility of wrong transmission, temporarily take over the condition managing of No.7 signaling link/ASP by the temporary control and education process on this SMP module, and generate new global information table; Deng the communication recovery of SMP module and OMP module normal after, re-execute the flow process of step 2.

Adopt No.7 signaling link of the present invention/ASP multimode distribution management method, manage by Signaling System Number 7 link/application server process being distributed in a plurality of different modules, the state variation of each Signaling System Number 7 link/application server process is only carried out maintenance management by its ownership module.Thereby can effectively reduce the message traffic of each module, realize the load sharing of No.7 signaling link/ASP, and the communication failure of a certain module also can not have influence on the performance of whole system, compared with prior art, and the bottleneck in the time of can solving centralized management and the problem of unreliability.Adopting distributed treatment mechanism can effectively improve the reliability of system, is to solve the managerial key technology breakthrough of No.7 signaling link/ASP in the NGN system.

Description of drawings

Fig. 1 is existing No.7 signaling link/ASP centralized management method schematic diagram.

Fig. 2 is No.7 signaling link of the present invention/ASP multimode distribution management method schematic diagram.

Fig. 3 is No.7 signaling link of the present invention/ASP multimode distribution management method flow chart.

Fig. 4 is intermodule communication No.7 signaling link/ASP multimode distributed management flow chart just often.

No.7 signaling link/ASP multimode distributed management flow chart when Fig. 5 is the intermodule communication interruption.

Embodiment

Below in conjunction with accompanying drawing, concrete enforcement of the present invention is described in further detail.

Fig. 1 is No.7 signaling link/ASP centralized management method schematic diagram, all No.7 signaling link/ASP concentrate on a module and manage among the figure, strengthened the load of this module,, will have influence on the reliability of this system in case communication failure appears in this module.

Fig. 2 is the schematic diagram of No.7 signaling link of the present invention/ASP multimode distribution management method.The processing of No.7 signaling link/ASP is dispersed on each different SMP module, each SMP respectively has a maintenance process to be responsible for the maintenance of the state of No.7 signaling link/ASP that this module manages, when the state of the No.7 of this module management signaling link/ASP changed, SMP need report the OMP module with the state of new No.7 signaling link/ASP.

Fig. 3 is the overall flow figure of the method for the invention, the link2 '/ASP2 ' of the link1/ASP2 of SMP1 module, SMP2 module is No.7 signaling link/ASP (the black italicized item among Fig. 3) that state changes among the figure, the SMP1 module is normal with communicating by letter of OMP module, the communication disruption of SMP2 module and OMP module.At this moment SMP1 sends to OMP module (chain-dotted line part among Fig. 3) with the last state of No.7 signaling link/ASP, because the communication disruption of SMP2 module and OMP module, at this moment the SMP2 module can't report the last state of No.7 signaling link/ASP the OMP module, the SMP2 module is only safeguarded a global information table in that this module is interim, with the normal transmission of the message that guarantees this module.The OMP module is received the last state that the SMP1 module reports, generate global information table, and be synchronized to other each SMP module (empty line part among Fig. 3, because the SMP2 module can not be communicated by letter with the OMP module, therefore the SMP2 module can't be received the global information table that the OMP module is come synchronously, the global information table that can only use this module to generate).After SMP2 module and OMP module communication are normal, the SMP2 module reports the OMP module with the last state of this module No.7 signaling link/ASP, the OMP module regenerates new global information table, and is synchronized to other all SMP module, and at this moment the global information of each module is consistent.This shows that when adopting the distributed processing mode of multimode, if the communication failure of SMP module and OMP module, the message of other SMP module still can be transmitted effectively reliably, does not influence whole system and moves.

Fig. 4 is to describe the multimode handling process of No.7 signaling link/ASP when communicating by letter normal and communication failure respectively with Fig. 5.

As shown in Figure 4, in communication normal the time, the SMP module need be with the state notifying of No.7 signaling link/ASP of changing to the OMP module, and the OMP module mainly is responsible for dynamic routing table/AS state, the maintenance of the tabulation of the activation ASP that serves of AS for this reason.The mode that the tabulation employing of the activation ASP of dynamic routing table/AS state, AS service for this reason focuses on, unified management on the OMP module.The OMP module will be with the information synchronization of dynamic routing table/AS state of regenerating, the tabulation of the activation ASP of AS service for this reason on each SMP module.

The handling process of No.7 signaling link and ASP is respectively:

1. when the state of the No.7 signaling link link1 of SMP1 management and link2 changes (black italicized item among Fig. 4), by the MTP3 process on the module SMP1 under this link the state of this signaling link is reported OMP module (chain-dotted line among Fig. 4), the OMP module regenerates new dynamic routing table, and new dynamic routing table is synchronized to each SMP module (empty line among Fig. 4).

2. an ASP can serve different AS, and the state variation of ASP is for a specific AS.When the state of the ASP2 of SMP1 management changes (black italicized item among Fig. 4), by the M3UA process on the module under this ASP the state of this ASP is reported OMP module (chain-dotted line among Fig. 4), the OMP module is obtained all AS of this ASP service, regenerate the activation ASP tabulation among each AS, and the new state of corresponding each AS and the ASP tabulation of activation are synchronized to other each SMP module (empty line among Fig. 4).

When some SMP modules broke down with communicating by letter of OMP module, handling process as shown in Figure 5.The state of the link1 of SMP1 module, link2/ASP2 changes (deceiving italicized item among Fig. 5) among the figure, because SMP1 and OMP communication disruption, therefore the variable condition of No.7 signaling link/ASP that this SMP managed just can't report the OMP module, in this case in order to reduce because the message that SMP module and OMP communication disruption cause can't be transmitted or the possibility of wrong transmission, temporarily take over the condition managing of No.7 signaling link/AS, ASP by the temporary control and education process on this SMP module.State according to all No.7 signaling link/ASP on this SMP module regenerates the ASP tabulation that activates among new dynamic routing table/AS, and the business of No.7 signaling/SIGTRAN signaling is not interrupted when guaranteeing normal condition.The ASP tabulation that activates among this newly-generated dynamic routing table/AS is only safeguarded by this SMP module and is used, is not synchronized to other SMP module; After the communication recovery of this SMP module and OMP module is normal, then according to flow process shown in Figure 4, by this SMP the last state of all No.7 signaling link/ASP is reported the OMP module, transfer management function and stop the temporary control and education process to the OMP module, the OMP module will regenerate and activate the ASP tabulation among new dynamic routing table/AS and be synchronized to other each SMP module.

Claims

1, a kind of Signaling System Number 7 link/application server process multimode distribution management method is characterized in that, may further comprise the steps:

Step 1: Signaling System Number 7 link/application server is dispersed in different SMP modules, and SMP is responsible for safeguarding the variation of the Signaling System Number 7 link/application server state of this module management; The OMP module of system is responsible for the relevant global information table of Signaling System Number 7 link/application server is managed;

Step 2: when the state of some Signaling System Number 7 link/application servers changes, SMP module by this Signaling System Number 7 link/application server ownership reports the OMP module with new state, if this moment, this SMP module was normal with communicating by letter of OMP module, then the OMP module regenerates corresponding global information table according to the new state of receiving of Signaling System Number 7 link/application server, and being synchronized to other each SMP module, all SMP modules use new global information table to carry out the management of routing addressing;

Step 3: if the SMP module in the step 2 breaks down with communicating by letter of OMP module, then temporarily take over the condition managing of Signaling System Number 7 link/application server, and generate new global information table by the temporary control and education process on this SMP module; Deng the communication recovery of SMP module and OMP module normal after, re-execute the flow process of step 2.

2, Signaling System Number 7 link according to claim 1/application server process multimode distribution management method, it is characterized in that, global information table described in the step 1 is meant dynamic routing table for the No.7 signaling link, be meant the dynamic listing of the activation ASP of relevant AS for ASP.