CN1275445C - Method and apparatus for implementing multifunction of M3UA protocol - Google Patents
Method and apparatus for implementing multifunction of M3UA protocol Download PDFInfo
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- CN1275445C CN1275445C CN 200310112116 CN200310112116A CN1275445C CN 1275445 C CN1275445 C CN 1275445C CN 200310112116 CN200310112116 CN 200310112116 CN 200310112116 A CN200310112116 A CN 200310112116A CN 1275445 C CN1275445 C CN 1275445C
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Abstract
The present invention discloses a realization device and a method for multiple functions of an M3UA protocol in the field of mobile communication. The device comprises at least one M3UA protocol distributed processor and an M3UA protocol centralized maintenance processor, wherein the M3UA protocol distributed processor receives external M3UA protocol messages and decodes messages received from a lower-layer module; the M3UA protocol centralized maintenance processor processes management maintenance messages of the M3UA protocol, maintains the usable conditions of an ASP, an SGP and an IPSP of an integral net element, automatically recognizes unusable process examples caused by reasons of network failure, etc., and activates vicarious examples. The present invention can simultaneously realize the multiple functions of the M3UA protocol, shorten a development cycle, save the maintenance cost, and effectively satisfie the requirement for realizing the multiple functions of the M3UA protocol on a Mc interface in a system application.
Description
Technical field
The present invention relates to field of mobile communication, specifically, relate to M3UA in the field of mobile communication (the 3rd layer of user adaptation layer of NO.7 signaling message transmission part, NO.7 Signalling SystemMessage Transfer Part Level 3 User Adapation Layer Protocol) multi-functional unification processing unit of agreement and method.
Background technology
Along with mobile communcations system in the increasingly extensive application of every field such as economic and social life, mobile communcations system technology itself is also among fast development, from at present just at widely used second generation mobile communcations system, arrive ripe perfect third generation mobile system, the demand of user for communication system satisfied in technical development day by day.3GPP of International Standards Organization and 3GPP2 are responsible for the formulation and the modification of third generation mobile system international standard WCDMA standard and CDMA2000 standard respectively.In two types standard, M3UA is extensively adopted by tissues such as 3GPP/3GPP2, as NGN (next generation network, Next Generation Network, the for example extensive at present third generation mobile system standard WCDMA/CDMA2000/TD-SCDMA/SOFTSWITCH that adopts) consensus standard of network signal transmission, be mainly used in and between packet network and Circuit Switching Network, transmit the No.7 signaling, also be widely used in (Media Gateway Controller at MGC, Media GatewayController) carrying gateway control signaling and between the MGW (media gateway, Media Gateway).
When reality is set up the NGN network, existence is with SGW (SGW, Signalling Gateway, be located at the edge of packet network and Circuit Switching Network, realize the equipment that the NO.7 signaling is transmitted between two kinds of networks) be built in the demand that realizes among the MGW, then will need this moment Mc interface (interface between MSC server and the media gateway MGW) to realize the conversion of NO.7 signaling and two kinds of functions of gateway control signaling bear simultaneously.When using M3UA to carry out the conversion of NO.7 signaling, M3UA can be divided into clearly two kinds of different functions of server and client side, correspond respectively to SGP (signaling gateway process, Signalling Gateway Process) and ASP (application server process, Application Server Process), wherein, SGP is the process instance of SGW, is the activation as SGW, the process of standby or load sharing; ASP is the process instance of application server, is the activation as application server, the process of standby or load sharing, as shown in Figure 1.And when using M3UA to carry out the carrying of gateway control signaling, it is then corresponding to IPSP (IP Server Process, IP Server Process), and IPSP is based on the process instance that IP uses, the business that the M3UA of use point-to-point is supported, concrete occupation mode as shown in Figure 2.In accompanying drawing 1, M3UA uses as the function of signaling conversion; In accompanying drawing 2, M3UA uses as the signaling bear function.
M3UA processing scheme at present commonly used is: at SGW independently or built-in among the MGW of SGW function, realize the server side functionality of M3UA, be mainly used in to packet network NO.7 is provided signaling traffic; In MGC, realize the client functionality of M3UA, be mainly used in business to the server end request NO.7 of M3UA; At Mc interface, realize the IP service function of M3UA, be mainly used in and between MGW and MGC, transmit the H.248 signaling message of gateway control protocols such as (a kind of gateway control signalings).In the existing systems design process, generally encode respectively for three kinds of different functions, independent these three kinds of difference in functionalitys of realizing M3UA, thereby cause on distinct device the code of M3UA different, not only when exploitation, waste a large amount of manpowers, for the operating maintenance of later stage system, also increased very big difficulty.And, aspect Mc interface, will need to possess these three kinds of functions of M3UA simultaneously, but still there is not on Mc interface, to realize at present the technology of the multiple function of M3UA along with the development of technology.
Summary of the invention
Technical problem to be solved by this invention provides a kind of M3UA multifunction implementing device, can't realize the multiple function of M3UA simultaneously at Mc interface with what the solution prior art existed, and system development difficulty shortcoming big, difficult in maintenance.
For achieving the above object, the present invention has constructed a kind of M3UA multifunction implementing device, it is characterized in that, comprises at least one M3UA distributed processors, a M3UA centralized maintenance processor.These processors all use the common treatment chip to realize, can communicate by intercommunication network (promptly at the inner communication network of device) each other.
Described M3UA distributed processors receives outside M3UA message, carry out decode operation for the message that receives from lower module, if data-message then transmits to the upper-layer user, if M3UA management maintenance message then is transmitted to described M3UA centralized maintenance processor; For the message that receives from upper-layer user or described M3UA centralized maintenance processor, the standard message that coding generates M3UA is transmitted to lower module;
The management maintenance message of described M3UA centralized maintenance processor processing M3UA, safeguard ASP, the SGP of whole network element and the upstate of IPSP, automatically identification is unavailable because of the process instance that reasons such as network failure cause, and activate the process instance that substitutes, do not interrupt the purpose that M3UA is handled to reach.
Described M3UA distributed processors also comprises NIF (node IWF, NodeInterworking Function) bed device, reception is from upper-layer user or MTP3 (the 3rd layer of user adaptation layer of NO.7 signaling message transmission part, NO.7Signalling System MessageTransfer Part Level 3User Adapt) message, data-message for M3UA, connect the numbering of the described M3UA distributed processors at (lower-layer protocols by M3UA is provided) place according to striking out, message is sent to corresponding described M3UA distributed processors; For the signaling network management message that sends over by MTP3, then it is transmitted to upper-layer user or described M3UA centralized maintenance processor by network interworking function.
The invention allows for the multi-functional implementation method of a kind of M3UA, it is characterized in that, may further comprise the steps:
The first step: the M3UA distributed processors receives outside M3UA message, and carry out decode operation, data-message for M3UA, message is sent to the NIF bed device, described NIF bed device judgement sends to still upper-layer user of MTP3 (the NO.7 signaling system message transmitting portions third level, NO.7Signalling System Message Transfer Part Level 3) with this message; For M3UA management maintenance message, be forwarded to described M3UA centralized maintenance processor;
Second step: the described NIF bed device in the described M3UA distributed processors receives the message from upper-layer user or MTP3, data-message for M3UA, connect the numbering of the described M3UA distributed processors at (lower-layer protocols by M3UA is provided) place according to striking out, message is sent to corresponding described M3UA distributed processors; For the signaling network management message that sends over by MTP3, then it is transmitted to upper-layer user or described M3UA centralized maintenance processor by network interworking function;
The 3rd step: described M3UA centralized maintenance processor processing M3UA management maintenance message, and inform the opposite end M3UA by described M3UA distributed processors; Safeguard the state of activation of all M3UA process instances at described M3UA centralized maintenance processor, and be the attribute of each process instance configuration SGP, ASP or IPSP, finish different management maintenance operations according to its different attribute; Further, be the attribute of SGP, ASP and IPSP configuration client or server again, usually SGP is configured to server, ASP is configured to client, IPSP then can dispose arbitrarily; For attribute be client process instance, need initiatively initiate the activation of process instance, attribute is the activation request that the process instance of server then needs relative client to initiate; In addition, SGP need with MTP3 alternately to finish the conversion of NO.7 signaling, ASP, IPSP then do not need.
Adopt M3UA processing unit of the present invention and method, by increasing the NIF bed device and being the different attribute of process instance configuration, can realize the multiple function of M3UA simultaneously, thereby shorten the construction cycle, save maintenance cost, and effectively satisfy the demand that on Mc interface, realizes the multiple function of M3UA in the system applies.
Description of drawings
Fig. 1 is that M3UA is used for realizing between SGW and the MGC signaling conversion schematic diagram;
Fig. 2 is that M3UA is used for realizing between MGW and the MGC signaling bear schematic diagram;
Fig. 3 is the protocol stack schematic diagram that uses at the Mc mouth in the method for the invention;
Fig. 4 is a M3UA multifunction implementing device structure chart of the present invention;
Fig. 5 is the multi-functional implementation method flow chart of M3UA of the present invention;
Fig. 6 is the flow chart that the node IWF carries out the message distribution in the method for the invention.
Embodiment
Below in conjunction with accompanying drawing, concrete enforcement of the present invention is described in further detail.
Fig. 3 is the protocol stack schematic diagram that uses at the Mc mouth in the method for the invention.On the MGW of SGW function, between M3UA, MTP3 (the No.7 Message Transfer Part third level) and upper-layer user, increase one deck NIF built-in, realize the distribution of signaling message between the three.Need to prove that NIF only finishes the distribution propagation function of message, and does not carry out the processing of message.The signaling conversion between packet network and the Circuit Switching Network and the carrying of gateway control signaling are all finished at M3UA, processing exemplary configuration SGP, ASP by giving M3UA or the attribute of IPSP, realize the difference in functionality of M3UA, these attributes can independently or with combination arbitrarily be configured.
By using protocol stack as shown in the figure, NIF has shielded M3UA and has been used for the signaling conversion or the details of signaling bear, and be to handle the different attribute of exemplary configuration, make no matter be to possess server and client side's function simultaneously, thereby increased the flexibility that M3UA uses at MGW or on MGC.
Fig. 4 is a M3UA multifunction implementing device structure chart of the present invention.Outside signaling is passed to the M3UA distributed processors by the communication network of inside, the M3UA distributed processors is handled the message of M3UA: carry out decode operation for the message that receives from lower module, if data-message then transmits to the upper-layer user, if M3UA management maintenance message then is transmitted to described M3UA centralized maintenance processor; For the message that receives from upper-layer user or described centralized maintenance processor, the standard message that coding generates M3UA is transmitted to lower module.
The management maintenance message of M3UA centralized maintenance processor processing M3UA, safeguard ASP, the SGP of whole network element and the upstate of IPSP, it is unavailable to discern the process instance that causes because of reasons such as network failures automatically, and activate the process instance that substitutes, do not interrupt the purpose that M3UA is handled to reach.
Need to prove, all be the common treatment chip at M3UA distributed processors shown in the accompanying drawing 4 and M3UA centralized maintenance processor, realizes simple.Include interface processor etc. in the intercommunication network, finish the communication between each processor of device interior.
Fig. 5 is the multi-functional implementation method flow chart of M3UA of the present invention.Further illustrate the handling process of M3UA message.When described M3UA distributed processors receives outside M3UA message, carry out decode operation, the data-message for M3UA sends to NIF with message, is that this message is sent to MTP3 or upper-layer user at NIF with judgement; For M3UA management maintenance message, be forwarded to described M3UA centralized maintenance processor.
NIF in described M3UA distributed processors receives the message from upper-layer user or MTP3, if the data-message of M3UA, connect the numbering of the described M3UA distributed processors at place according to striking out, message is sent to corresponding described M3UA distributed processors; For the signaling network management message that sends over by MTP3, then it is transmitted to upper-layer user or described M3UA centralized maintenance processor by NIF.
At the attribute of described M3UA centralized maintenance processor, finish different management maintenance operations according to its different attribute for each process instance configuration SGP, ASP or IPSP.Further, the attribute for SGP, ASP and IPSP configuration client or server is configured to server with SGP usually, and ASP is configured to client, and IPSP then can dispose arbitrarily.For attribute be client process instance, need initiatively initiate the activation of process instance, attribute is the activation request that the process instance of server then needs relative client to initiate.Receive the M3UA management maintenance message that forwards from the M3UA distributed treatment when described M3UA centralized maintenance processor, according to these management maintenance message, the new state of all M3UA process instances is set at described M3UA centralized maintenance processor.The state of all M3UA process instances in M3UA centralized maintenance processor for recording: activate (ACTIVE), deactivation (INACTIVE) or close (DOWN); and mode of operation: active and standby, load sharing or broadcasting according to these process instances; activate or deactivate corresponding processing example; running in the time of with the maintenance of implementation process example state and many kinds of functions of M3UA.In addition, SGP need with MTP3 alternately to finish the conversion of NO.7 signaling, ASP, IPSP then do not need.
Need to prove that the M3UA distributed processors if find that message does not belong to this processor processing, is then transmitted to the protocol distributed processor of corresponding M 3UA according to decoded result after carrying out source codec.M3UA management maintenance message that sends over from M3UA centralized maintenance processor or the data-message of sending from the upper-layer user send out in the M3UA distributed processors back of encoding.
Fig. 6 is the flow chart that the node IWF carries out the message distribution in the method for the invention.NIF according to the routing iinformation in the message, judges the flow direction of message after receiving signaling message, realize message distribution as shown in the figure.The use of NIF has shielded the details that message is transmitted to MTP3, M3UA and upper-layer user, for MTP3 and upper-layer user, does not only in the past need to change the code before having inherited to greatest extent; For M3UA, then no longer need to be concerned about and carry out signaling bear or carry out the signaling conversion, do unified the processing.
Claims (9)
1, a kind of M3UA multifunction implementing device is characterized in that, comprises at least one M3UA distributed processors, a M3UA centralized maintenance processor;
Described M3UA distributed processors receives outside M3UA message, carry out decode operation for the message that receives from lower module, if data-message then transmits to the upper-layer user, if M3UA management maintenance message then is transmitted to described M3UA centralized maintenance processor; For the message that receives from upper-layer user or described M3UA centralized maintenance processor, the standard message that coding generates M3UA is transmitted to lower module;
Described M3UA distributed processors also comprises the NIF bed device, reception is from the message of upper-layer user or MTP3, data-message for M3UA, connect the numbering of the described M3UA distributed processors at place according to striking out, message is sent to corresponding described M3UA distributed processors; For the signaling network management message that sends over by MTP3, then it is transmitted to upper-layer user or described M3UA centralized maintenance processor by network interworking function;
The management maintenance message of described M3UA centralized maintenance processor processing M3UA is safeguarded ASP, the SGP of whole network element and the upstate of IPSP, and identification is unavailable because of the process instance that the network failure reason causes automatically, and activates the process instance that substitutes.
2, M3UA multifunction implementing device according to claim 1 is characterized in that, described M3UA distributed processors and M3UA centralized maintenance processor are realized by the common treatment chip, communicated by intercommunication network each other.
3, M3UA multifunction implementing device according to claim 2 is characterized in that, includes interface processor in the described intercommunication network.
4, M3UA multifunction implementing device according to claim 1 is characterized in that, the upstate of described ASP, SGP and IPSP is respectively: SGP is configured to server, and ASP is configured to client, and IPSP is configured to any configuration.
5, the multi-functional implementation method of a kind of M3UA is characterized in that, may further comprise the steps:
The first step: the M3UA distributed processors receives outside M3UA message, and carries out decode operation, for the data-message of M3UA, message is sent to the NIF bed device, and described NIF bed device judgement sends to MTP3 or upper-layer user with this message; And with M3UA management maintenance forwards to described M3UA centralized maintenance processor;
Second step: the described NIF bed device in the described M3UA distributed processors receives the message from upper-layer user or MTP3, data-message for M3UA, connect the numbering of the described M3UA distributed processors at place according to striking out, message is sent to corresponding described M3UA distributed processors; For the signaling network management message that sends over by MTP3, then it is transmitted to upper-layer user or described M3UA centralized maintenance processor by network interworking function;
The 3rd step: described M3UA centralized maintenance processor processing M3UA management maintenance message, and inform the opposite end M3UA by described M3UA distributed processors; Safeguard the state of activation of all M3UA process instances at described M3UA centralized maintenance processor, and be the attribute of each process instance configuration SGP, ASP or IPSP, finish different management maintenance operations according to its different attribute; Further, be the attribute of SGP, ASP and IPSP configuration client or server again.
6, the multi-functional implementation method of M3UA according to claim 5 is characterized in that, the out lower-layer protocols that connects by M3UA provides described in second step.
7, the multi-functional implementation method of M3UA according to claim 5, it is characterized in that, when in the 3rd step being the attribute of SGP, ASP and IPSP configuration client or server, SGP is configured to server, ASP is configured to client, and IPSP then can dispose arbitrarily.
8, according to claim 5 or the multi-functional implementation method of 7 described M3UA, it is characterized in that, the 3rd the step in for attribute be client process instance, need initiatively initiate the activation of process instance, attribute is the activation request that the process instance of server then needs relative client to initiate.
9, according to claim 5 or the multi-functional implementation method of 7 described M3UA, it is characterized in that, the 3rd the step in, SGP need with MTP3 alternately to finish the conversion of N0.7 signaling, ASP, IPSP then do not need.
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