CN102546712A - Message transmission method, equipment and system based on distributed service network - Google Patents
Message transmission method, equipment and system based on distributed service network Download PDFInfo
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Abstract
The invention discloses a message transmission method, equipment and system based on a distributed service network. The message transmission method comprises the following steps: an access agent receives a message from an SIP (Session Initiation Protocol) terminal and transmits the message to a service node in the distributed service network. In the embodiment of the invention, during the access of the SIP terminal to the distributed service network, the access agent executes the related message forward process instead of the SIP terminal, so that the massage transmitting process of the SIP is saved, the low utilization rate of SIP terminal resources is increased, the control process is simple and the expenditure for network maintenance is low.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method for message transmission, equipment and system based on distributed business network.
Background technology
SIP (Session Initiation Protocol; Session initiation protocol) acting server is used for route SIP and asks UAS (User Agent Server; Subscriber proxy server), and route SIP reply UAC (User Agent Client, User Agent Client).Wherein, sip proxy server is carried out call authorization, charging and other important function simultaneously according to session invitation of called current location route; It is called that the vital task of sip proxy server is that route conversation is invited to, and this session invitation can be passed one group of agency usually, till finding called current location.
Sip proxy server has state relevant two types with state that have nothing to do, and the irrelevant acting server of state is the simple message transponder, although message is usually arranged in the affairs, the irrelevant acting server of state is indifferent to affairs.When receiving a request, state related proxy server need be created a state, and hold mode is accomplished up to affairs; For some affairs (like the affairs of being created by INVITET), need to keep the long period, up to called off-hook or on-hook.
Centralized SIP network architecture sketch map as shown in Figure 1; Traditional SIP network architecture adopts centralized C/S control mode; Sip terminal passes through the address of Redirect Server and location server acquisition sip agent, and request is sent to sip proxy server.
In realizing process of the present invention, the inventor finds to exist at least in the prior art following problem:
Sip terminal in the legacy network needs single-point to insert, defective such as can have Single Point of Faliure, resource utilization is low, control is complicated, the network operation expense is big.
Summary of the invention
The embodiment of the invention provides a kind of method for message transmission based on distributed business network, equipment and system, to improve the use experience of sip terminal.
In order to achieve the above object, the embodiment of the invention provides a kind of method for message transmission based on distributed business network, comprising:
Insert the agency and receive message, and said message is sent to the service node in the distributed business network from sip terminal.
The embodiment of the invention provides a kind of transmission of messages equipment based on distributed business network, comprising:
Receiver module is used to receive the message from sip terminal;
Sending module is used for said message is sent to the service node of distributed business network.
The embodiment of the invention provides a kind of message delivery system based on distributed business network, comprising:
Insert the agency, be used to receive message, and said message is sent to the service node in the distributed business network from sip terminal;
Service node is used to receive the message from said access agency.
Compared with prior art, the present invention has the following advantages at least:
Insert in the process of distributed business network at sip terminal; Through using the access agency to replace sip terminal to carry out relevant forwards process, saved the process of sip terminal transmission message, it is low to improve the sip terminal resource utilization; Control procedure is simple, and the network operation expense is little.
Description of drawings
In order to be illustrated more clearly in technical scheme of the present invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only 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 a centralized SIP network architecture sketch map in the prior art;
Fig. 2 is a DSN network architecture sketch map in the embodiment of the invention one;
Fig. 3 is the structural representation that inserts the agency in the embodiment of the invention one;
Fig. 4 is a kind of method for message transmission schematic flow sheet based on distributed business network that the embodiment of the invention two provides;
Fig. 5 is a kind of method for message transmission schematic flow sheet based on distributed business network that the embodiment of the invention three provides;
Fig. 6 is a kind of method for message transmission schematic flow sheet based on distributed business network that the embodiment of the invention four provides;
Fig. 7 is a kind of method for message transmission schematic flow sheet based on distributed business network that the embodiment of the invention five provides;
Fig. 8 is a kind of method for message transmission schematic flow sheet based on distributed business network that the embodiment of the invention six provides;
Fig. 9 is a kind of method for message transmission schematic flow sheet based on distributed business network that the embodiment of the invention seven provides;
Figure 10 is a kind of transmission of messages device structure sketch map based on distributed business network that the embodiment of the invention nine provides.
Embodiment
Centralized core net is supported in being embodied as of existing sip terminal; Need in the network architecture, introduce sip proxy server to the dynamic handover mechanism of multinode access mechanism, service node of DSN (Distributed Service Network, distributed business network) and help the access that sip terminal is accomplished DSN.But existing sip proxy server is (beginning of session and termination) hold mode when the SIP transaction interaction only, and is not maintenance state in whole calling.Therefore, existing sip proxy server can't satisfy the needs that DSN inserts, and it has following shortcoming: the multiple access node mechanism in the DSN network is not supported in (1); (2) do not support to accomplish the process that registration message is redirected to service node through sip proxy server in the DSN network; (3) in the same registration period, behind service node (being about to the SN that related service the sends to service server) machine of delaying, DSN can provide new service node to be sip terminal user service, but traditional sip terminal is not supported the switching of service node.To the problems referred to above, the embodiment of the invention provides a kind of method for message transmission based on distributed business network, equipment and system, inserts distributed business network to support sip terminal.
To combine the accompanying drawing among the present invention below, the technical scheme among the present invention is carried out clear, intactly description, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Embodiment one
Distributed business network (being called for short DSN) is that a new generation that is directed against telecommunication service and mobile Internet business proposition can run, manageable distributed kernel dictyosome is and function structure.DSN realizes the various functions of conventional telecommunications core net with the mode of P2P; New network capabilitiess such as lasting professional providing capability, adaptive load balancing ability, distributed storage ability, dynamic resource scheduling ability are provided simultaneously, DSN network architecture sketch map as shown in Figure 2.Based on this DSN network architecture; The embodiment of the invention has been introduced and has been inserted the agency, and this access agency can adopt B2BUA (Back-to-Back User Agent, back-to-back user agent) mode to realize; In whole calling procedure, keep state; Support sip terminal to insert DSN, and be the variation of sip terminal shielding network, with raising user use experience.The method that the embodiment of the invention provides can cooperate DSN to realize continuing professional ability and adaptive load balance ability, supports multinode to insert simultaneously, and message related to calls is redirected, the message redirection function in the calling procedure.
In the DSN network architecture, the SN of core key-course can be access node, also can be service node, and access node is used to receive the related news from inserting the agency, and service node is used for related service is sent to service server.
The embodiment of the invention one provides a kind of access agency, and is as shown in Figure 3, and for inserting agency's structural representation, this access agency comprises:
Session Initiation Protocol AM access module is used for the reception and the transmission of sip message.
The sip message distribution module is used for the sip message that receives is submitted to relevant upper strata processing module, and according to the logic of upper strata processing module, message to be sent is transferred to Session Initiation Protocol AM access module send.
Session control (can be the session control module realizes) is used to handle all sessions relevant request message, response message (like INVITE, BYE, 1xx, 2xx etc.).
Register flow path (can be the register flow path module realizes) is used to handle all registrations relevant request, response message (as: REGISTER etc.).
Service node location (can be the service node locating module realizes) is used for sending request, consumer positioning current service address of node to DSN.
Terminal-map of services function storehouse is used for the mapping relations of managing SIP terminal and current service node.
Session status memory function storehouse is used to manage the state information of all SIP access nodes when the pre-treatment session.
Access node management function storehouse, but be used to manage all access node addresses that the DSN network provides.
Embodiment two
Act on behalf of with inserting based on the above-mentioned DSN network architecture, the embodiment of the invention two provides a kind of method for message transmission based on distributed business network, and is as shown in Figure 4, and this method may further comprise the steps:
Step 401 inserts the agency and receives the message from sip terminal.
Step 402 inserts the agency this message is sent to the service node in the distributed business network.
In the embodiment of the invention, this message comprises the Register message in the registration process; This step comprises: insert the agency and from the access node tabulation, select access node, and Register message is sent to access node; Insert the agency and receive 302 redirect messages from access node, the address information of having carried service node in 302 redirect messages; Insert the address information of acting on behalf of according to service node Register message is sent to service node.
This message comprises the Register message in the registration process; This step comprises: insert the agency and from the access node tabulation, select first access node, and Register message is sent to first access node; When first access node breaks down (for example, the faults such as machine of delaying), insert the agency and from the access node tabulation, select second access node, and Register message is sent to second access node; Insert the agency and receive 302 redirect messages from second access node, the address information of having carried service node in 302 redirect messages; Insert the address information of acting on behalf of according to service node Register message is sent to service node.
INVITE when this message comprises call setup; This step comprises: insert the main service node information of acting on behalf of according to self record INVITE is sent to main service node; Insert 302 redirect messages that the agency receives autonomous service node, carried the backup services address of node information of main service node in 302 redirect messages according to the load balancing policy selection; Insert the agency and INVITE is sent to the backup services node according to backup services address of node information.
INVITE when this message comprises call setup; This step comprises: insert the first service node information of acting on behalf of according to self record INVITE is sent to first service node; When first service node breaks down, insert the access node that the agency sends to INVITE selection; Insert the agency and receive 302 redirect messages from access node, the address information of having carried second service node in 302 redirect messages; Insert the address information of acting on behalf of according to second service node INVITE is sent to second service node.
This message comprises the BYE message behind the call setup; This step comprises: insert the agency and according to the first service node information BYE message is sent to first service node; When first service node breaks down, insert the access node that agency's structure Register message sends to selection; Insert the agency and receive 302 redirect messages from access node, the address information of having carried second service node in 302 redirect messages; Insert the address information of acting on behalf of according to second service node BYE message is sent to second service node.
In sum; In the embodiment of the invention, insert in the process of distributed business network, replace sip terminal to carry out relevant forwards process through using to insert to act on behalf of at sip terminal; Saved the process of sip terminal transmission message; It is low to improve the sip terminal resource utilization, and control procedure is simple, and the network operation expense is little.
In addition, in the embodiment of the invention, support the multiple access node mechanism in the DSN network; Support to accomplish the process that registration message is redirected to registrar through access node in the DSN network; In the same registration period, service node is delayed behind the machine, and it is the sip terminal service that DSN can provide new server, inserts the switching that the agency supports service node through introducing; Judge the state of current server through using heartbeat mechanism; If not response then conclude the service node machine of delaying of heartbeat message; Directly handle according to unusual flow process this moment, asks operating lag thereby can shorten the user who causes owing to the server machine of delaying, and improves user experience.
In the embodiment of the invention,, can realize that sip terminal inserts the process of distributed business network through inserting the agency for the sip terminal of not supporting the DSN network; For the sip terminal of supporting the DSN network, can replace sip terminal to carry out associative operation through inserting the agency, the resource utilization that has significantly improved sip terminal is low.
Embodiment three
Based on the above-mentioned DSN network architecture with insert the agency, below be elaborated to introducing the message flow that inserts behind the agency.As shown in Figure 5, for introducing the registration process that inserts after acting on behalf of, this process may further comprise the steps:
Step 501, SIP A is sent to Register message and inserts the agency.
Step 502 inserts the agency and from the access node tabulation, selects access node, and transmits Register message and give this access node.
In the embodiment of the invention, insert among the agency and safeguarded the access node tabulation in advance, insert the agency and can (for example, obtain according to preset strategy according to predetermined period; Triggering when the access node fault is arranged is obtained; The access node number is kept 4, when 4 of number less thaies, obtains etc.) obtain the information of access node, and access node is stored in the access node tabulation.In this step, can from the access node tabulation, select access node according to actual needs, be that SN-1 is that example describes with the access node of selecting.
Step 503, access node SN-1 receives Register message, for SIP A selects main service node SN-A, and through 302 redirect messages to inserting the address that the agency returns SN-A.The address of wherein, having carried SN-A in 302 redirect messages.
Step 504 after the access agency receives 302 redirect messages, is redirected to SN-A according to the address of SN-A with Register message.
Step 505, main service node SN-A sends 401 unauthorized to inserting the agency.
Step 506, the access agency sends to SIP A with 401 unauthorized after receiving 401 responses of SN-A.
Step 507, SIP A is sent to Register message and inserts the agency.
Step 508 inserts the agency Register message is sent to SN-A.
Step 509, SN-A sends 200OK to inserting the agency.
Step 510 inserts the agency and sends 200OK to SIPA.
It should be noted that in the embodiment of the invention that inserting and acting on behalf of the main service node that also need write down SIPA is SN-A.
Embodiment four
As shown in Figure 6, for introduce inserting the delay processing procedure of machine of agency back access node, this process may further comprise the steps:
Step 602 inserts the agency and from the access node tabulation, selects access node, and transmits Register message and give this access node.
In the embodiment of the invention, inserting the agency can access node of selection be that SIPA provides service from the access node tabulation, is that SN-1 is that example describes with the access node of selecting.
In this step, but opening timing device (like the SIPA timer) wait-for-response also.
Step 603, the machine (promptly breaking down) because access node SN-1 delays causes SIP A timer expiry, inserts the agency with this access node SN-1 deletion from the access node tabulation, and chooses new access node SN-2.
Step 604 inserts the agency Register message is sent to access node SN-2.
Step 605, access node SN-2 receives Register message, utilizes P2P message to find the main responsible node SN-A of SIP A.
Step 606, access node SN-2 sends 302 redirect messages, the address of wherein carrying SN-A to inserting the agency.
Step 607 after the access agency receives 302 redirect messages, is redirected to SN-A according to the address of SN-A with Register message.
Step 608, main service node SN-A sends 401 unauthorized to inserting the agency.
Step 609, the access agency sends to SIP A with 401 unauthorized after receiving 401 responses of SN-A.
Step 611 inserts the agency Register message is sent to SN-A.
Step 612, SN-A sends 200OK to inserting the agency.
Step 613 inserts the agency and sends 200OK to SIP A.
Embodiment five
As shown in Figure 7, during for the sip terminal call setup, caller master service node load too high provides the processing procedure of service by the backup services node, and this process may further comprise the steps:
Step 701, SIP A sends INVITE and acts on behalf of A to inserting.Afterwards, access is acted on behalf of A and is sent 100trying to SIP A.
Step 702 inserts and to act on behalf of A and writing down the main service node of finding when register, insert act on behalf of A according to self record with the corresponding main service node address information transmission INVITE of SIP A to SN-A.
Step 703, SN-A selects the responsible node SN-A ' (backup services node) of current calling according to the load balancing strategy, and through 302 redirect messages INVITE is redirected to SN-A '; Promptly act on behalf of A and send 302 redirect messages, carried the address information of SN-A ' in 302 redirect messages to access.
Step 704 inserts and acts on behalf of 302 redirect messages that A receives that SN-A sends, and according to the Redirect Address in 302 redirect messages INVITE is forwarded to backup services node SN-A ', and upgrades the address of main service node.Afterwards, SN-A ' acts on behalf of A to access and sends 100trying.
SN-A ' handles by normal flow after receiving INVITE, and subsequent message is identical, as shown in Figure 7 with normal INVITE flow process, gives unnecessary details no longer in detail in this process embodiment of the invention.
Embodiment six
As shown in Figure 8, before the sip terminal call setup, the delay processing procedure of machine of caller service node, this process may further comprise the steps:
Step 802 inserts the main service node of finding when proxy records registration, and according to self record send INVITE to SN-A with the corresponding main service node address information of SIP A, the response of timer wait INVITE is set.
Step 803, the machine (promptly breaking down) because SN-A delays, timer expiry inserts the address that the agency removes main service node, from the access node tabulation, selects access node again, and INVITE is sent to the access node of this selection.
Step 804 after access node is received INVITE, returns to the access agency with current main service node SN-A ' address through 302 redirect messages.
Embodiment seven
As shown in Figure 9, behind the sip terminal call setup, the delay processing procedure of machine of main service node, this process may further comprise the steps:
Step 901, in the communication process, the service node SN-A of the SIPA machine of delaying, SIPA on-hook this moment.
After step 905, access node were received the Register message that is used to inquire about, current service node SN-A ' address was obtained in inquiry, returned to insert through 302 redirect messages and acted on behalf of A.
Step 906 inserts and acts on behalf of A according to the current service node address, constructs BYE message again and sends to SN-A ', and finally receive 200 responses, responds 200 and is transmitted to SIPA.
Embodiment eight
Based on above-mentioned each embodiment, a kind of fault detect mode based on heartbeat mechanism also is provided, in the embodiment of the invention in introducing the scheme that inserts the agency; Can use heartbeat mechanism to detect the server current state; After inserting agency's forwarding request message, promptly begin to send heartbeat message, in real time the monitor server current state to the destination server of request message; Until this Request Processing finishes, if find delay machine then get into the abnormality processing flow process of server.For example, insert the agency after access node is initiated registration message, promptly initiate the state of heartbeat message monitoring access node, the time-out time of heartbeat message can be adjusted according to the network current state; If the response timeout of heartbeat message is then handled flow according to the access node machine of delaying.
Embodiment nine
Based on the inventive concept same with said method, a kind of transmission of messages equipment based on distributed business network (promptly inserting the agency) also is provided in the embodiment of the invention, shown in figure 10, this equipment comprises:
Sending module 12 is used for said message is sent to the service node of distributed business network.
Said message comprises the Register message in the registration process; Said sending module 12 specifically is used for selecting access node from the access node tabulation, and said Register message is sent to said access node; Reception is from 302 redirect messages of said access node, the address information of having carried said service node in said 302 redirect messages; Address information according to said service node sends to said service node with said Register message.
Said message comprises the Register message in the registration process; Said sending module 12 specifically is used for selecting first access node from the access node tabulation, and said Register message is sent to said first access node; When said first access node breaks down, from said access node tabulation, select second access node, and said Register message is sent to said second access node; Reception is from 302 redirect messages of said second access node, the address information of having carried said service node in said 302 redirect messages; Address information according to said service node sends to said service node with said Register message.
INVITE when said message comprises call setup; Said sending module 12 specifically is used for according to the main service node information of self record said INVITE being sent to said main service node; Reception has been carried the backup services address of node information of said main service node according to the load balancing policy selection from 302 redirect messages of said main service node in said 302 redirect messages; According to said backup services address of node information said INVITE is sent to said backup services node.
INVITE when said message comprises call setup; Said sending module 12 specifically is used for according to the first service node information of self record said INVITE being sent to said first service node; When said first service node breaks down, said INVITE is sent to the access node of selection; Reception has been carried the address information of second service node from 302 redirect messages of said access node in said 302 redirect messages; Address information according to said second service node sends to said second service node with said INVITE.
Said message comprises the BYE message behind the call setup; Said sending module 12 specifically is used for according to the first service node information said BYE message being sent to said first service node; When said first service node broke down, structure Register message sent to the access node of selection; Reception has been carried the address information of second service node from 302 redirect messages of said access node in said 302 redirect messages; Address information according to said second service node sends to said second service node with said BYE message.
In the embodiment of the invention, this equipment also comprises:
Wherein, each module of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
Embodiment ten
Based on the inventive concept same with said method, a kind of message delivery system based on distributed business network also is provided in the embodiment of the invention, comprising:
Insert the agency, be used to receive message, and said message is sent to the service node in the distributed business network from sip terminal;
Service node is used to receive the message from said access agency.
In the embodiment of the invention, said message comprises the Register message in the registration process; Said access agency specifically is used for selecting access node from the access node tabulation, and said Register message is sent to said access node; And reception is from 302 redirect messages of said access node, the address information of having carried said service node in said 302 redirect messages; And said Register message is sent to said service node according to the address information of said service node.
Said message comprises the Register message in the registration process; Said access agency specifically is used for selecting first access node from the access node tabulation, and said Register message is sent to said first access node; And when said first access node breaks down, from said access node tabulation, select second access node, said Register message is sent to said second access node; And reception is from 302 redirect messages of said second access node, the address information of having carried said service node in said 302 redirect messages; And said Register message is sent to said service node according to the address information of said service node.
INVITE when said message comprises call setup; Said access agency specifically is used for according to the main service node information of self record said INVITE being sent to said main service node; And receive 302 redirect messages from said main service node, carried the backup services address of node information of said main service node in said 302 redirect messages according to the load balancing policy selection; And said INVITE is sent to said backup services node according to said backup services address of node information.
INVITE when said message comprises call setup; Said access agency specifically is used for according to the first service node information of self record said INVITE being sent to said first service node; When said first service node breaks down, said INVITE is sent to the access node of selection; And reception is from 302 redirect messages of said access node, the address information of having carried second service node in said 302 redirect messages; And said INVITE is sent to said second service node according to the address information of said second service node.
Said message comprises the BYE message behind the call setup; Said access agency specifically is used for according to the first service node information said BYE message being sent to said first service node; When said first service node broke down, structure Register message sent to the access node of selection; And reception is from 302 redirect messages of said access node, the address information of having carried second service node in said 302 redirect messages; And said BYE message is sent to said second service node according to the address information of said second service node.
Said access is acted on behalf of, and also is used for detecting through heartbeat message the current state of said service node, and the current state of said service node comprises that said service node breaks down or said service node does not break down.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding; The part that technical scheme of the present invention contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product is stored in the storage medium; Comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the sketch map of a preferred embodiment, module in the accompanying drawing or flow process might not be that embodiment of the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosedly be merely several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (21)
1. the method for message transmission based on distributed business network is characterized in that, comprising:
Insert the agency and receive message, and said message is sent to the service node in the distributed business network from sip terminal.
2. the method for claim 1 is characterized in that, said message comprises the Register message in the registration process; Said message is sent to the service node in the distributed business network, comprising:
Said access agency selects access node from the access node tabulation, and said Register message is sent to said access node;
Said access agency receives 302 redirect messages from said access node, the address information of having carried said service node in said 302 redirect messages;
Said access agency sends to said service node according to the address information of said service node with said Register message.
3. the method for claim 1 is characterized in that, said message comprises the Register message in the registration process; Said message is sent to the service node in the distributed business network, comprising:
Said access agency selects first access node from the access node tabulation, and said Register message is sent to said first access node;
When said first access node broke down, said access agency selected second access node from said access node tabulation, and said Register message is sent to said second access node;
Said access agency receives 302 redirect messages from said second access node, the address information of having carried said service node in said 302 redirect messages;
Said access agency sends to said service node according to the address information of said service node with said Register message.
4. the method for claim 1 is characterized in that, the INVITE when said message comprises call setup; Said message is sent to the service node in the distributed business network, comprising:
Said access agency sends to said main service node according to the main service node information of self record with said INVITE;
Said access agency receives 302 redirect messages from said main service node, has carried the backup services address of node information of said main service node according to the load balancing policy selection in said 302 redirect messages;
Said access agency sends to said backup services node according to said backup services address of node information with said INVITE.
5. the method for claim 1 is characterized in that, the INVITE when said message comprises call setup; Said message is sent to the service node in the distributed business network, comprising:
Said access agency sends to said first service node according to the first service node information of self record with said INVITE;
When said first service node broke down, said access agency sent to said INVITE the access node of selection;
Said access agency receives 302 redirect messages from said access node, the address information of having carried second service node in said 302 redirect messages;
Said access agency sends to said second service node according to the address information of said second service node with said INVITE.
6. the method for claim 1 is characterized in that, said message comprises the BYE message behind the call setup; Said message is sent to the service node in the distributed business network, comprising:
Said access agency sends to said first service node according to the first service node information with said BYE message;
When said first service node broke down, said access agency structure Register message sent to the access node of selection;
Said access agency receives 302 redirect messages from said access node, the address information of having carried second service node in said 302 redirect messages;
Said access agency sends to said second service node according to the address information of said second service node with said BYE message.
7. like each described method of claim 1-6, it is characterized in that said method also comprises:
The current state that detects said service node through heartbeat message is acted on behalf of in said access, and the current state of said service node comprises that said service node breaks down or said service node does not break down.
8. the transmission of messages equipment based on distributed business network is characterized in that, comprising:
Receiver module is used to receive the message from sip terminal;
Sending module is used for said message is sent to the service node of distributed business network.
9. equipment as claimed in claim 8 is characterized in that, said message comprises the Register message in the registration process;
Said sending module specifically is used for selecting access node from the access node tabulation, and said Register message is sent to said access node;
Reception is from 302 redirect messages of said access node, the address information of having carried said service node in said 302 redirect messages;
Address information according to said service node sends to said service node with said Register message.
10. equipment as claimed in claim 8 is characterized in that, said message comprises the Register message in the registration process;
Said sending module specifically is used for selecting first access node from the access node tabulation, and said Register message is sent to said first access node;
When said first access node breaks down, from said access node tabulation, select second access node, and said Register message is sent to said second access node;
Reception is from 302 redirect messages of said second access node, the address information of having carried said service node in said 302 redirect messages;
Address information according to said service node sends to said service node with said Register message.
11. equipment as claimed in claim 8 is characterized in that, the INVITE when said message comprises call setup;
Said sending module specifically is used for according to the main service node information of self record said INVITE being sent to said main service node;
Reception has been carried the backup services address of node information of said main service node according to the load balancing policy selection from 302 redirect messages of said main service node in said 302 redirect messages;
According to said backup services address of node information said INVITE is sent to said backup services node.
12. equipment as claimed in claim 8 is characterized in that, the INVITE when said message comprises call setup;
Said sending module specifically is used for according to the first service node information of self record said INVITE being sent to said first service node;
When said first service node breaks down, said INVITE is sent to the access node of selection;
Reception has been carried the address information of second service node from 302 redirect messages of said access node in said 302 redirect messages;
Address information according to said second service node sends to said second service node with said INVITE.
13. equipment as claimed in claim 8 is characterized in that, said message comprises the BYE message behind the call setup;
Said sending module specifically is used for according to the first service node information said BYE message being sent to said first service node;
When said first service node broke down, structure Register message sent to the access node of selection;
Reception has been carried the address information of second service node from 302 redirect messages of said access node in said 302 redirect messages;
Address information according to said second service node sends to said second service node with said BYE message.
14. like each described equipment of claim 8-13, it is characterized in that, also comprise:
Detection module is used for detecting through heartbeat message the current state of said service node, and the current state of said service node comprises that said service node breaks down or said service node does not break down.
15. the message delivery system based on distributed business network is characterized in that, comprising:
Insert the agency, be used to receive message, and said message is sent to the service node in the distributed business network from sip terminal;
Service node is used to receive the message from said access agency.
16. system as claimed in claim 15 is characterized in that, said message comprises the Register message in the registration process;
Said access agency specifically is used for selecting access node from the access node tabulation, and said Register message is sent to said access node; And reception is from 302 redirect messages of said access node, the address information of having carried said service node in said 302 redirect messages; And said Register message is sent to said service node according to the address information of said service node.
17. system as claimed in claim 15 is characterized in that, said message comprises the Register message in the registration process;
Said access agency specifically is used for selecting first access node from the access node tabulation, and said Register message is sent to said first access node; And when said first access node breaks down, from said access node tabulation, select second access node, said Register message is sent to said second access node; And reception is from 302 redirect messages of said second access node, the address information of having carried said service node in said 302 redirect messages; And said Register message is sent to said service node according to the address information of said service node.
18. system as claimed in claim 15 is characterized in that, the INVITE when said message comprises call setup;
Said access agency specifically is used for according to the main service node information of self record said INVITE being sent to said main service node; And receive 302 redirect messages from said main service node, carried the backup services address of node information of said main service node in said 302 redirect messages according to the load balancing policy selection; And said INVITE is sent to said backup services node according to said backup services address of node information.
19. system as claimed in claim 15 is characterized in that, the INVITE when said message comprises call setup;
Said access agency specifically is used for according to the first service node information of self record said INVITE being sent to said first service node; When said first service node breaks down, said INVITE is sent to the access node of selection; And reception is from 302 redirect messages of said access node, the address information of having carried second service node in said 302 redirect messages; And said INVITE is sent to said second service node according to the address information of said second service node.
20. system as claimed in claim 15 is characterized in that, said message comprises the BYE message behind the call setup;
Said access agency specifically is used for according to the first service node information said BYE message being sent to said first service node; When said first service node broke down, structure Register message sent to the access node of selection; And reception is from 302 redirect messages of said access node, the address information of having carried second service node in said 302 redirect messages; And said BYE message is sent to said second service node according to the address information of said second service node.
21. like each described system of claim 15-20, it is characterized in that,
Said access is acted on behalf of, and also is used for detecting through heartbeat message the current state of said service node, and the current state of said service node comprises that said service node breaks down or said service node does not break down.
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