CN102547635B - A kind of cut-in method of distributed business network, equipment and system - Google Patents
A kind of cut-in method of distributed business network, equipment and system Download PDFInfo
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Abstract
The invention discloses a kind of cut-in method of distributed business network, equipment and system, the method comprises: the CS domain message of self terminal is converted to sip message in the future, sip message is sent to DSN network; And/or, the sip message from DSN network is converted to CS domain message, CS domain message is sent to terminal.In the embodiment of the present invention, the conversion between CS domain message and sip message is carried out by use network element PA, and managing conversation, Radio Resource and media resource, make terminal can be linked into the distributed DSN of novel core net by traditional Access Network RAN, and then reach the object of communication.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of cut-in method of distributed business network, equipment and system.
Background technology
Existing network is mainly divided into CS (CircuitSwitch, circuit switching) territory, PS (PacketSwitch, packet switching) territory and IMS (IPMultimediaSubsystem, IP Multimedia System) territory.Access side, CS territory is GERAN (GSMEDGERadioAccessNetwork, GSM EDGE Radio Access Network) and UTRAN (UMTSTerrestrialRadioAccessNetwork, UMTS Terrestrial radio access network), for 2G (Generation Mobile Telecommunication System)/3G (3G (Third Generation) Moblie) user provides basic voice and simple data (as note) business.Access side, PS territory is GERAN and UTRAN, for 2G/3G user provides low speed data (as multimedia message) business.IMS domain access side is wireless (GERAN and UTRAN) and wired (WLAN (WirelessLocalAreaNetworks, WLAN (wireless local area network)), ADSL (AsymmetricDigitalSubscriberLine, ADSL (Asymmetric Digital Subscriber Line)), cable of cable TV Cable), for 3G subscription provides data service at a high speed.
Wherein, IMS domain wireless access side is PS territory, if the business that low speed can be completed by PS territory, will directly process in PS territory, and the not treatable business in PS territory, by the control core process of IMS.CS territory user can enjoy the business that soft switch provides, and the control core not by IMS obtains high speed business.Therefore, the control core that existing network is ununified provides various colourful business for all users are unified.
In the core layer in each territory, the disposal ability of standby server and master server is similar, when master server delays machine, the delay possibility of machine of standby server is also very large, but due to the control core in each territory relatively independent, function is asymmetric, and resource can not be shared, then during control core generation problem in a territory, other network-based control cores can not be called and carry out emergency processing, make the control core of not same area be difficult to realize the function of load balancing.In addition, in storage and back mechanism, during normal use, standby server plays backup effect, and the high-performance of standby server itself can not be fully used, and the resource of core net cannot be fully used.
Therefore, in existing centralized network, there is the problems such as Single Point of Faliure, resource utilization is low, redundancy ability is weak; In order to solve the problem, distributed network can be adopted.Along with distributed computing technology is in the development of internet arena, communication network also starts to introduce distributed computing technology, to improve network efficiency.Wherein, DSN (DistributedServiceNetwork, distributed business network), for distributed computing technology is in the application of mobile core network, replaces original centralized network, is mobile radio communication study hotspot from now on.
Realizing in process of the present invention, inventor finds at least there is following problem in prior art:
In current DSN, scheme does not support that 3G terminal is to the access of DSN network, and namely DSN still can not support the communication between 3G terminal, needs Access Network side to coordinate accordingly.
Summary of the invention
The embodiment of the present invention provides a kind of cut-in method of distributed business network, equipment and system, is linked into DSN network to make terminal.
In order to achieve the above object, the embodiment of the present invention provides a kind of access device of distributed business network, comprising:
Message conversion module, for future, the CS domain message of self terminal is converted to sip message, sip message is sent to DSN network; And/or, the sip message from DSN network is converted to CS domain message, CS domain message is sent to terminal.
The embodiment of the present invention provides a kind of cut-in method of distributed business network, comprising:
The CS domain message of self terminal is converted to sip message in the future, sip message is sent to DSN network; And/or, the sip message from DSN network is converted to CS domain message, CS domain message is sent to terminal.
The embodiment of the present invention provides a kind of connecting system of distributed business network, comprising:
PA, for future, the CS domain message of self terminal is converted to sip message, sip message is sent to DSN network; And/or, the sip message from DSN network is converted to CS domain message, CS domain message is sent to terminal;
Access network equipment, for future, the CS domain message of self terminal sends to PA, and the CS domain message changed from described PA is sent to described terminal;
Equipment of the core network, for sending sip message to PA, and receives the sip message of described PA conversion.
Compared with prior art, the present invention at least has the following advantages:
The conversion between CS domain message and sip message is carried out by use network element PA, and managing conversation, Radio Resource and media resource, make terminal can be linked into the distributed DSN of novel core net by traditional Access Network RAN, and then reach the object of communication.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of DSN network system architecture schematic diagram that the embodiment of the present invention one provides;
Fig. 2 is the structural representation of a kind of PA that the embodiment of the present invention one provides;
Fig. 3 is the cut-in method schematic flow sheet of a kind of distributed business network that the embodiment of the present invention two provides when terminal sends message to DSN network;
Fig. 4 is the cut-in method schematic flow sheet of a kind of distributed business network that the embodiment of the present invention two provides when DSN network sends message to terminal.
Embodiment
Below in conjunction with the accompanying drawing in the present invention, be clearly and completely described the technical scheme in the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
As shown in Figure 1, for a kind of DSN network system architecture schematic diagram provided in the embodiment of the present invention, DSN can realize one irrelevant with access, apply irrelevant distributed kernel control system, by strengthening the support to conventional telecommunications business and mainstream applications in the ability of core net introducing P2P.In DSN network:
(1) application layer, is responsible for providing miscellaneous service, is made up of various application server, and core key-course has unified interface, can be provided by third party.
(2) core key-course, being responsible for providing unified core to control, is the P2P network constructed by the DSN node server of some; Upper strata connects miscellaneous service, and lower floor accesses various user.Wherein, SN is DSN node server, and the function that core controls is realized by SN.
(3) Access Layer, is responsible for the various types of user of access; Wherein BSC (BaseStationController, base station controller) be responsible for access wireless side 2G terminal, RNC (RadioNetworkController, radio network controller) be responsible for access wireless side 3G terminal, SIP (SessionInitiationProtocol, session initiation protocol) terminal is responsible for access sip terminal user.
In the embodiment of the present invention, the function that core key-course node realizes comprises:
(1) maintenance of P2P network self.Wherein, form P2POverlay (overlay network) by Session Initiation Protocol between SN, Overlay completes the maintenance and management of P2P network; Dynamically exit when there being SN or add fashionable, automatically can adjust network rapidly, to ensure stable rear correct P2P network topology structure, providing correct network route, and the backup of completing user data and deletion, guarantee service quality.
(2) the session signaling process that communicates of terminal (such as, 2G/3G terminal etc.), realizes intercommunication to realize terminal by DSN.
Based on above-mentioned DSN network system architecture, in DSN network, Session Initiation Protocol is used to replace original BSSAP (BaseStationSystemApplication, base station system is applied) agreement and RANAP (RadioAccessNetworkApplication, Radio Access Network is applied) agreement unifies signaling protocol as core net, and conversate control; 2G Access Network terminal uses Base Station Subsystem Application Part, 3G Access Network terminal to use RANAP; In order to ensure that original 2G/3G terminal and 2G/3G Access Network are without the need to amendment, and realize terminal access DSN network, a kind of access device of distributed business network is proposed in the embodiment of the present invention, this equipment is PA (ProtocolAdaptor, protocol adaptor), by the mapping using this PA can complete BSSAP/RANAP agreement and Session Initiation Protocol, and access management and the control of side Radio Resource and media link.
In the embodiment of the present invention, be not limited to 2G terminal, 3G terminal access DSN network, the technical scheme that the process based on CS territory terminal access DSN network all can adopt the embodiment of the present invention to provide; Corresponding agreement is also not limited to BSSAP/RANAP agreement, the technical scheme that the agreement based on CS territory all can adopt the embodiment of the present invention to provide.This PA can be deployed on existing functional entity (such as, existing SG (SignalingGateway, SGW), MG (MediaGateway, media gateway), SN etc.), also can be deployed in DSN network for independent functional entity.In the embodiment of the present invention, be deployed between SG, MG and SN for PA and be described.
As shown in Figure 2, be the structural representation of a kind of PA that the embodiment of the present invention provides, this PA comprises message conversion module, MGA (MediaGatewayAdaptor, media gateway adapter) module and database (DB).This message conversion module comprises: Session Initiation Protocol stack, CS territory protocol stack (can be divided into Base Station Subsystem Application Part stack and RANAP stack), CS territory transceiver (can be divided into BSSAP transceiver and RANAP transceiver), SIP transceiver, mobile management mapping submodule, Call-Control1 mapping submodule, short message mapping submodule, RRM submodule, agreement mapping status machine management submodule.This MGA module comprises: MEGACO transceiver and megaco protocol stack.
Based on above-mentioned each module and submodule, relevant interface comprises: a interface, the interface between SIP transceiver and agreement mapping status machine management submodule; B interface, the interface between CS territory transceiver and agreement mapping status machine management submodule; C interface, the interface between SIP transceiver and Session Initiation Protocol stack; D interface, the interface between CS territory transceiver and CS territory protocol stack; E interface, the interface between Call-Control1 mapping submodule and MEGACO transceiver, wherein, when need in calling procedure create, amendment, remove media link time, Call-Control1 mapping submodule by this interface and megaco protocol stack mutual; F interface, the interface between MEGACO transceiver and megaco protocol stack; H1 interface, mobile management mapping submodule and agreement mapping status machine manage the interface of submodule; H2 interface, Call-Control1 mapping submodule and agreement mapping status machine manage the interface of submodule; H3 interface, short message mapping submodule and agreement mapping status machine manage the interface of submodule; H4 interface, RRM submodule and agreement mapping status machine manage the interface of submodule; After wherein agreement mapping status machine management submodule receives the sip message or CS domain message that underlying protocol stack receives, after carrying out the management such as state machine coupling, establishment, cancellation, related news are sent to upper layer application by h1, h2, h3, h4 interface; Message is sent by this interface by upper layer application simultaneously; I interface, the interface between message conversion module and database module.
Message conversion module, for future, the CS domain message of self terminal is converted to sip message, sip message is sent to DSN network; And/or, the sip message from DSN network is converted to CS domain message, CS domain message is sent to terminal.Wherein, when this terminal is 2G terminal, CS domain message comprises BSSAP message; When this terminal is 3G terminal, CS domain message comprises RANAP message.
Concrete, the BSSAP/RANAP message conversion that message conversion module is used for self terminal is in the future sip message, and the sip message issued from DSN network is converted to BSSAP/RANAP message, to complete the function of session management.In addition, message conversion module also can be mutual with MGA module, to realize the bookkeepings such as the foundation of media channel, deletion and amendment.Such as, when needing media to control in calling procedure and MGA module realize foundation, the management such as deletion and amendment of media channel alternately.
MGA module, for receiving the media control request from message conversion module, and when needs media resource, allocation medium resource and management of media gateway.Wherein, when receiving the media control request of message conversion module, MGA module controls MG; When message conversion module needs media resource, send request to MGA, and then realize the object of allocation medium resource and management MG.
In the embodiment of the present invention, the following submodule of Further Division in message conversion module:
(1) PS (ProtocolStack, protocol stack), Session Initiation Protocol stack is had (for sending and receiving sip message in message conversion module, mutual with DSN) and CS territory protocol stack (i.e. BSSAP/RANAP protocol stack, for sending and receiving BSSAP/RANAP message, mutual with SG (or when not needing SG, directly and RNC)); Wherein, Session Initiation Protocol stack is for receiving the sip message from DSN network; And/or, sip message is sent to DSN network; CS territory protocol stack is for receiving the CS domain message of self terminal; And/or, CS domain message is sent to terminal.In addition, in MGA module, also include megaco protocol stack (for sending and receiving MEGACO message, and MG intercommunication) do not repeat them here.
(2) CS territory transceiver, for when CS domain message being sent to terminal, receiving CS domain message from CS territory protocol stack, CS domain message being sent to access network equipment, for access network equipment, CS domain message is sent to terminal.Wherein, when this CS territory transceiver is BSSAP transceiver (BSSAPTransceiver), access network equipment is that BSC, BSSAP transceiver is used for receiving BSSAP message from BSSAPPS, and is sent to BSC; When this CS territory transceiver is RANAP transceiver (RANAPTransceiver), access network equipment is that RNC, RANAP transceiver is used for receiving RANAP message from RANAPPS, and is sent to RNC.
(3) SIP transceiver (SIPTransceiver), for when sip message being sent to DSN network, receiving sip message from Session Initiation Protocol stack, sip message being sent to DSN network.
(4) mobile management mapping submodule, for the treatment of mobile management class message, the mobile management class CS domain message (BSSAP/RANAP message) of self terminal (BSSAP/RANAPTransceiver) is mapped as sip message and sends to SIPTransceiver in the future; Mobile management class sip message from DSN network (SIPTransceiver) is mapped as CS domain message (BSSAP/RANAP message) and sends to CS territory transceiver (BSSAP/RANAPTransceiver).Wherein, this mobile management class message includes but not limited to AUTHENTICATIONREQUEST, CMSERVICEREQUEST, LOCATIONUPDATINGREQUEST etc.; The function of mobile management mapping submodule can be realized by MMSM (MobileManagementStateMachine, mobile management mapping status machine).
(5) Call-Control1 mapping submodule, for the treatment of message related to calls, the calling class CS domain message (BSSAP/RANAP message) of self terminal (BSSAP/RANAPTransceiver) is mapped as sip message and sends to SIPTransceiver in the future; Calling class sip message from DSN network (SIPTransceiver) is mapped as CS domain message (BSSAP/RANAP message) and sends to CS territory transceiver (BSSAP/RANAPTransceiver).Wherein, this message related to calls includes but not limited to: SETUP, CALLCONFIRMED, CALLPROCEEDING, ALERTING, CONNECT, CONNECTACK, DISCONNECT, RELEASE, RELEASECOMPLETE etc.; The function of this Call-Control1 mapping submodule realizes by CCSM (CallControlStateMachine, Call-Control1 mapping status machine).
(6) short message mapping submodule, for the treatment of short message class message, the short message class CS domain message (BSSAP/RANAP message) of self terminal (BSSAP/RANAPTransceiver) is mapped as sip message and sends to SIPTransceiver in the future; Short message class sip message from DSN network (SIPTransceiver) is mapped as CS domain message (BSSAP/RANAP message) and sends to CS territory transceiver (BSSAP/RANAPTransceiver).Wherein, short message class message includes but not limited to CP_DATA, CP_ACK etc.; The function of this short message mapping submodule realizes by MCSM (MessageControlStateMachine, short message mapping status machine).
(7) RRM submodule, for carrying out the wireless resource operation such as Channel Assignment and release, switching, measurement report, system information and paging.It should be noted that in actual applications, can carry out on access network equipment (as BSC, RNC etc.) the process that Radio Resource operates; Also can be undertaken accessing relevant wireless resource operation to DSN by RRM submodule, to reduce the relevant process of access network equipment.Wherein, the process that RRM submodule operates Radio Resource and the process that existing access network equipment operates Radio Resource similar, repeat no more in the embodiment of the present invention.
(8) agreement mapping status machine manages submodule, for the state machine (as MMSM, CCSM, MCSM etc.) corresponding to management (as coupling, generation, maintenance, cancellation and management etc.) mobile management mapping submodule, Call-Control1 mapping submodule, short message mapping submodule.Wherein, the process managing all kinds of state machine instance can by message-driven.Such as, agreement mapping status machine management submodule maintains the corresponding relation of each message and state machine, when receiving the CP_DATA message of self terminal, know that corresponding state machine is MCSM according to this corresponding relation, then now agreement mapping status machine management submodule starts MCSM state machine, is sip message then by short message mapping submodule by CP_DATA message conversion.
Wherein, the modules of apparatus of the present invention can be integrated in one, and also can be separated deployment.Above-mentioned module can merge into a module, also can split into multiple submodule further.
In the embodiment of the present invention, the database in PA is SID database, for storing SID information; This message conversion module is also for carrying out the conversion between each code number and SID.
Concrete, (be described for 3G access) in access procedure, same 3G terminal (MS) has MSISDN (MobileSubscriberInternationalISDN, international mobile subscriber integrated services digital network) mark, IMSI (InternationalMobileSubscriberIdentificationNumber, international mobile subscriber identity) identify and TMSI (TemporaryMobileSubscriberIdentity, interim identity) etc. multiple mark, unique a master data is only had for each MS (i.e. each user), therefore for the code SID that all mark needs overall situation of same MS is unique, to guarantee to obtain identical user data after HASH in P2P ring.
In the embodiment of the present invention, SID adopts MSISDN, only there is SID in the core network, every other code number represents a kind of access way, in order to shield the feature of Access Network in the core network, complete the conversion between each code number and SID at PA place, what can ensure to enter core net only has SID.The obtain manner of this SID comprises: SID exists in a concentrated database, when PA needs to carry out the conversion between each code number and SID, obtains by Query Database.
In sum, in the embodiment of the present invention, DSN is used to substitute centralized mobile core network, and the access Design and implementation scheme providing terminal to arrive DSN, keep Access Network RAN constant; Distributed mobile core network provides higher service availability and resource utilization; Without the need to modifying to RAN; PA network element is increased between conventional access network and DSN network, PA provides the conversion between BSSAP/RANAP and SIP, and the management that conversates, and management accesses side Radio Resource, media resource and carries out each code of 2G/3G number identifies (SID) conversion to unification user, to core net shielding 2G/3G Access Network; Make 2G/3G terminal be linked into the distributed DSN of novel core net by traditional Access Network RAN, and then reach the object of communication.In addition, adding existing Access Network RAN of PA is completely compatible, without the need to carrying out any amendment, on the basis of legacy network facility, carrying out the transformation of distributed mobile communication net, farthest reducing cost and the cost of the network rebuilding; PA shields Access Network RAN to distributed DSN core net, reduces the coupling between communication equipment, makes network configuration more independent, transforms simpler.
Embodiment two
Based on the inventive concept that said system is identical with PA, the embodiment of the present invention two provides a kind of cut-in method of distributed business network, the embodiment of the present invention relates to the process of 2G terminal, 3G terminal access DSN, wherein, in DSN network, use Session Initiation Protocol to replace original BSSAP and RANAP to unify signaling protocol as core net, conversate control; 2G Access Network terminal uses Base Station Subsystem Application Part, 3G Access Network terminal to use RANAP; In order to ensure that original 2G/3G terminal and 2G/3G Access Network are without the need to amendment, introduce PA, to carry out the conversion work between SIP and BSSAP/RANAP, and manage wireless and media resource between Access Network and core net.
As shown in Figure 3, be flow chart when terminal sends message to DSN network, the method comprises the following steps:
Step 301, PA receives the CS domain message of self terminal.Wherein, when terminal is 2G terminal, CS domain message comprises BSSAP message; When terminal is 3G terminal, CS domain message comprises RANAP message.
Step 302, the CS domain message of PA self terminal in future is converted to sip message.
Concrete, the mobile management class CS domain message of PA self terminal in future is mapped as sip message; And/or the calling class CS domain message of self terminal is mapped as sip message in the future; And/or the short message class CS domain message of self terminal is mapped as sip message in the future.
Step 303, sip message is sent to DSN network by PA.
In the embodiment of the present invention, when needs media resource, this PA can also allocation medium resource and management of media gateway.
In addition, this PA can also according to the conversion preset the SID information stored and carry out between each code number and SID.
As shown in Figure 4, be flow chart when DSN network sends message to terminal, the method comprises the following steps:
Step 401, PA receives the sip message from DSN network.
Step 402, the sip message from DSN network is converted to CS domain message by PA.Wherein, when terminal is 2G terminal, CS domain message comprises BSSAP message; When terminal is 3G terminal, CS domain message comprises RANAP message.
Concrete, the mobile management class sip message from DSN network is mapped as CS domain message by PA; And/or, the calling class sip message from DSN network is mapped as CS domain message; And/or, the short message class sip message from DSN network is mapped as CS domain message.
Step 403, CS domain message is sent to terminal by PA.
In the embodiment of the present invention, when needs media resource, this PA can also allocation medium resource and management of media gateway.
In addition, this PA can also according to the conversion preset the SID information stored and carry out between each code number and SID.
In sum, in the embodiment of the present invention, DSN is used to substitute centralized mobile core network, and the access Design and implementation scheme providing terminal to arrive DSN, keep Access Network RAN constant; Distributed mobile core network provides higher service availability and resource utilization; Without the need to modifying to RAN; PA network element is increased between conventional access network and DSN network, PA provides the conversion between BSSAP/RANAP and SIP, and the management that conversates, and management accesses side Radio Resource, media resource and carries out each code of 2G/3G number identifies (SID) conversion to unification user, to core net shielding 2G/3G Access Network; Make 2G/3G terminal be linked into the distributed DSN of novel core net by traditional Access Network RAN, and then reach the object of communication.In addition, adding existing Access Network RAN of PA is completely compatible, without the need to carrying out any amendment, on the basis of legacy network facility, carrying out the transformation of distributed mobile communication net, farthest reducing cost and the cost of the network rebuilding; PA shields Access Network RAN to distributed DSN core net, reduces the coupling between communication equipment, makes network configuration more independent, transforms simpler.
Embodiment three
Based on the inventive concept that said method is identical with PA, the embodiment of the present invention three provides a kind of connecting system of distributed business network, comprising:
PA, for future, the CS domain message of self terminal is converted to sip message, sip message is sent to DSN network; And/or, the sip message from DSN network is converted to CS domain message, CS domain message is sent to terminal;
Access network equipment, for future, the CS domain message of self terminal sends to PA, and the CS domain message changed from described PA is sent to described terminal;
Equipment of the core network, for sending sip message to PA, and receives the sip message of described PA conversion.
In the embodiment of the present invention, when described terminal is 2G terminal, described CS domain message comprises BSSAP message, and described access network equipment comprises BSC;
When described terminal is 3G terminal, described CS domain message comprises RANAP message, and described access network equipment comprises RNC.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required general hardware platform by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform method described in each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device in embodiment can carry out being distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Be only several specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (11)
1. an access device for distributed business network, is characterized in that, comprising:
Message conversion module, for future, the CS domain message of self terminal is converted to sip message, sip message is sent to DSN network; And/or, the sip message from DSN network is converted to CS domain message, CS domain message is sent to terminal;
Wherein, this equipment also comprises:
MGA module, for receiving the media control request from described message conversion module, and when needs media resource, allocation medium resource and management of media gateway;
Wherein, this equipment also comprises:
Unification user mark SID database, for storing the unique code SID information of the overall situation;
Described message conversion module, also for carrying out the conversion between each code number and SID; Wherein, described each code number represents a kind of access way.
2. equipment as claimed in claim 1, it is characterized in that, described message conversion module comprises:
Session Initiation Protocol stack, for receiving the sip message from DSN network; And/or, sip message is sent to DSN network;
CS territory protocol stack, for receiving the CS domain message of self terminal; And/or, CS domain message is sent to terminal.
3. equipment as claimed in claim 2, it is characterized in that, described message conversion module comprises:
CS territory transceiver, for when CS domain message being sent to terminal, receiving CS domain message from CS territory protocol stack, CS domain message being sent to access network equipment, for described access network equipment, CS domain message is sent to terminal;
SIP transceiver, for when sip message being sent to DSN network, receiving sip message from Session Initiation Protocol stack, sip message being sent to DSN network.
4. equipment as claimed in claim 1, it is characterized in that, described message conversion module comprises:
Mobile management mapping submodule, for the treatment of mobile management class message;
Call-Control1 mapping submodule, for the treatment of message related to calls;
Short message mapping submodule, for the treatment of short message related news.
5. equipment as claimed in claim 4, it is characterized in that, described message conversion module comprises:
Agreement mapping status machine management submodule, for managing the state machine corresponding to described mobile management mapping submodule, described Call-Control1 mapping submodule and described short message mapping submodule.
6. the equipment as described in any one of claim 1-5, is characterized in that, when described terminal is 2G terminal, described CS domain message comprises BSSAP message; When described terminal is 3G terminal, described CS domain message comprises RANAP message.
7. a cut-in method for distributed business network, is characterized in that, comprising:
The CS domain message of self terminal is converted to sip message in the future, sip message is sent to DSN network; And/or, the sip message from DSN network is converted to CS domain message, CS domain message is sent to terminal;
Wherein, the method also comprises: receiving media controls request, and when needs media resource, allocation medium resource and management of media gateway;
Wherein, the method also comprises: the code unification user mark SID information unique according to the overall situation of default storage carries out the conversion between each code number and SID; By SID database purchase SID information; Each code number represents a kind of access way.
8. method as claimed in claim 7, is characterized in that, the CS domain message of self terminal is converted to sip message in the future, comprising:
The mobile management class CS domain message of self terminal is mapped as sip message in the future; And/or the calling class CS domain message of self terminal is mapped as sip message in the future; And/or the short message class CS domain message of self terminal is mapped as sip message in the future;
Sip message from DSN network is converted to CS domain message, comprises:
Mobile management class sip message from DSN network is mapped as CS domain message; And/or, the calling class sip message from DSN network is mapped as CS domain message; And/or, the short message class sip message from DSN network is mapped as CS domain message.
9. the method as described in any one of claim 7-8, is characterized in that, when described terminal is 2G terminal, described CS domain message comprises BSSAP message; When described terminal is 3G terminal, described CS domain message comprises RANAP message.
10. a connecting system for distributed business network, is characterized in that, comprising:
PA, for future, the CS domain message of self terminal is converted to sip message, sip message is sent to DSN network; And/or, the sip message from DSN network is converted to CS domain message, CS domain message is sent to terminal;
Access network equipment, for future, the CS domain message of self terminal sends to PA, and the CS domain message changed from described PA is sent to described terminal;
Equipment of the core network, for sending sip message to PA, and receives the sip message of described PA conversion;
Wherein, this PA also comprises: receiving media controls request, and when needs media resource, allocation medium resource and management of media gateway;
Wherein, this PA also comprises:
SID database, for storing the unique code SID information of the overall situation;
Described PA, also for carrying out the conversion between each code number and SID; Wherein, described each code number represents a kind of access way.
11. systems as claimed in claim 10, is characterized in that, when described terminal is 2G terminal, described CS domain message comprises BSSAP message, and described access network equipment comprises BSC;
When described terminal is 3G terminal, described CS domain message comprises RANAP message, and described access network equipment comprises RNC.
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| 中国移动发布分布式业务网络（DSN）白皮书;邵素宏;《人民邮电》;20081202;全文 * |
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