CN102710498A - Multi-area networking method - Google Patents
Multi-area networking method Download PDFInfo
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- CN102710498A CN102710498A CN2012101287512A CN201210128751A CN102710498A CN 102710498 A CN102710498 A CN 102710498A CN 2012101287512 A CN2012101287512 A CN 2012101287512A CN 201210128751 A CN201210128751 A CN 201210128751A CN 102710498 A CN102710498 A CN 102710498A
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Abstract
The invention discloses a multi-area networking method, which is used for sending search information; sending a birth message; sending local routing information; sending a local routing information response; sending an abnormal updating message; sending an abnormal updating response; a status query; a status query response is sent. The invention can not cause the paralysis of the whole network because of the fault of the central point, has higher security, and utilize the timer to confirm and filter while transmitting the birth message and sending the local routing message, can greatly reduce the network flow that the message sends and produces.
Description
Technical field
The present invention relates to the network communications technology, particularly relate to a kind of multizone network-building method that adopts Softswitch technology.
Background technology
IP multimedia system (IMS, Internet Protocol Multimedia Subsystem) is a kind of brand-new multimedia service form, and it can satisfy, and present terminal client is more novel, the demand of more diversified multimedia service.At present, IMS is considered to the core technology of next generation network (NGN, Next Generation Network), also is to solve to move with fixed network to merge, and introduces the professional important way of differentiation such as voice, data, the triple fusions of video.
Softswitch (Soft-Switch equipment) is the nucleus equipment of Circuit Switching Network to Packet Based Network evolution; It also is one of visual plant of Next Generation Telecommunication Networks network; It is independent of the bottom bearing protocol; The main major functions such as calling out control, WMG access control, resource allocation, protocol processes, route, authentication, charging of accomplishing, and can be professional to all professional and diversified third parties that the user provides the available circuit switch to provide.
The characteristics of next-generation communication network are based on multi-vendor, many technology of IP technology, the complex fusion body of different architecture, and Softswitch technology plays a part very important in such heterogeneous network.
Networking technology is exactly the networking technology, is divided into Ethernet and local area network (LAN) networking technology.General networking technology is to be the basis with a center, carries out the diffusion of whole network, adopts this network-building method, in case when Centroid goes wrong, can cause the paralysis of whole network, and fail safe is not high.
Summary of the invention
In order to solve the technical problem of prior art; Be necessary to provide a kind of network-building method of multizone; Said method can improve the fail safe of multizone networking; Can not cause the paralysis of whole network because of the fault of central point, and in the route circular, adopt the filtration means, reduce the network traffics that produce by the route circular.
The technical scheme of technical solution problem of the present invention comprises: a kind of multizone network-building method, comprise the steps to provide a multizone network, and it comprises a plurality of soft switch; Information is sought in transmission, sends each other between the said soft switch neighbors and seeks message; Send birth message, send birth message to all neighborss when seeking said soft switch neighbors and connecting; Send local routing iinformation, said soft switch is returned the birth response and is sent local routing iinformation to transmit leg after receiving birth information; Send local routing iinformation and respond, reply this message to transmit leg when local routing iinformation message is received in said soft switch; Send improper update message, seek and learn that all neighborss to oneself sent improper update message when neighbors broke off; The transmission improper update is responded, and replys improper update to transmit leg when receiving improper update message and responds; Status enquiry is inquired to transmit status when receiving improper update message, is used to upgrade the legitimacy of local record route; Said status inquiry message is sent to all soft switch of local route record; The transmit status inquiry is responded, and returns transmit status to transmit leg when receiving apply for information and responds.
Further, said soft switch is sent message to all neighbors soft switch, when said message is received in other soft switch not in the transmit leg zone other soft switch transmit said message, and transmit this message to other regional abutment points.
Further, said soft switch comprises one-level soft switch and subordinate's soft switch, and wherein, the route messages that other one-level soft switch is sent is received in the one-level soft switch, only sends to subordinate's soft switch, and does not transmit said message to other one-level soft switch.
Further, the soft switch with direct relationship between superior and subordinate is a neighbors, neighbors each other between the one-level soft switch.
Further, the soft switch that domain name is identical belongs to same zone.
Further, soft switch receives and starts the timer timing after the birth message, if before timer expiry if receive the timer timing of then resetting of birth message again, if timer expiry is then outwards sent out this locality and sent routing iinformation message.
Description of drawings
Fig. 1 is the schematic flow sheet of an execution mode of a kind of multizone network-building method of the present invention.
Fig. 2 is the network diagram that adopts a kind of multizone network-building method of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is explained further details.
Seeing also Fig. 1, is the schematic flow sheet of an execution mode of a kind of multizone network-building method of the present invention.In this execution mode, said multizone network-building method comprises:
Step S1 provides a multizone network, and it comprises a plurality of soft switch;
Step S2 sends and seeks information, sends each other between the said soft switch neighbors and seeks message;
Step S3 sends birth message, sends birth message to all neighborss when seeking said soft switch neighbors and connecting;
Step S4 sends local routing iinformation, and said soft switch is returned the birth response and sent local routing iinformation to transmit leg after receiving birth information;
Step S5 sends local routing iinformation and responds, and returns local routing iinformation to transmit leg when local routing iinformation message is received in said soft switch and responds;
Step S6 sends improper update message, seeks and learns that all neighborss to oneself sent improper update message when neighbors broke off;
Step S7 sends improper update and responds, and replys improper update to transmit leg when receiving improper update message and responds;
Step S8, status enquiry is inquired to transmit status when receiving a updating message, is used to upgrade the legitimacy of local record route; Said status inquiry message is sent to all soft switch of local route record;
Step S9, the transmit status inquiry is responded, and returns transmit status to transmit leg when apply for information is received in said soft switch and responds.
What need particularly point out is; A kind of multizone network-building method of the present invention is to adopt the non-mode that spreads the whole network fully to carry out the route circular; This mode is meant that other soft switch of its same area of soft switch of initiating this message can't receive this message, and the soft switch of all the other the whole networks can both be received this message, and when accepting to transmit particular message, starts timer and judge; Filter out identical message, reduce certain route circular network traffics.In addition, in above-mentioned and ensuing relevant the description, soft switch is that words such as soft switch node or node should be considered to can the phase trans-substitution use and have an identical hint expression.
In this execution mode, when the birth message of another node is received in soft switch, directly do not transmit, but start timer, before timer expiry, then restart this timer if receive the birth message of identical transmit leg again.Transmit above-mentioned birth message to other nodes again behind the timer expiry.
In addition; Soft switch receives no matter birth message (is that which node is initiated; Or which node is transmitted) time not directly with oneself local routing iinformation message to outdiffusion; But start a timer, before this timer expiry, then restart this timer if receive births (no matter be which node initiation, or whose forwarding) message again.Treat that timer expiry is again to the local routing iinformation message of outdiffusion.
Seeing also Fig. 2, is the network diagram that adopts a kind of multizone network-building method of the present invention.Suppose that network 1 and network 2 are two independently networks before, their routes have separately been set up success.Wherein, soft switch A, A ' and G are the one-level soft switch.Network 1 with formed a bigger network after network 2 is connected; D learns the successful connection with B through probe message; Then will send birth message to B, said birth message will spread/send to all soft switch except that D ', and other soft switch all has the user profile of D like this; Simultaneously, other soft switch (comprising E) can be diffused into the whole network through local routing iinformation message with oneself routing iinformation (the active and standby soft switch in the same area can not received mutual message after receiving this message.As: B can not receive the local routing iinformation message of B '), D and E will have the user profile of all soft switch of former network 1 (except that D ') like this.Same, the soft switch of network 1 (except D ') also has the user profile of E.After former network 1 connected with former network 2, inevitable E also can connect with D mutually, so E and D can get access to the other side's user profile.So far, the route of network 1 and network 2 is set up and is accomplished.
If be divided into network 1 and network 2 after a big network (route has been set up completion in the network) is unusual; At this moment D detects to have broken off with B and is connected; To network 2 diffusion anomaly updating message; After all soft switch of network 2 are received this, will detect through status inquiry message, non-existent route will be removed original routing table.B detects to have broken off with D and is connected, and also to network 1 (except B ') diffusion anomaly updating message, all soft switch of network 1 also can be upgraded routing table.B ' also can detect with the D disconnection and be connected, so B ' also can upgrade routing table.
Compared to prior art, a kind of multizone network-building method of the present invention comprises improper update and status enquiry, can not cause the paralysis of whole network because of the fault of central point, has higher fail safe.In addition, the present invention only sends subordinate's soft switch in non-transmit leg zone when transmitting routing iinformation, and when transmitting birth message and sending local route messages, utilizes timer to confirm and filters, can significantly reduce the network traffics of message transmission generation.
Above execution mode is only in order to explaining technical scheme of the present invention, but not to its restriction; Although the present invention has been carried out detailed explanation with reference to aforementioned embodiments; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned embodiments is put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of each execution mode technical scheme of essence disengaging the present invention of relevant art scheme.
Claims (6)
1. multizone network-building method, said multizone network comprises a plurality of soft switch, said method comprises the steps:
Information is sought in transmission, sends each other between the said soft switch neighbors and seeks message;
Send birth message, send birth message to all neighborss when seeking said soft switch neighbors and connecting;
Send local routing iinformation, said soft switch is returned the birth response and is sent local routing iinformation to transmit leg after receiving birth information;
Send local routing iinformation and respond, return local routing iinformation to transmit leg when local routing iinformation message is received in said soft switch and respond;
Send improper update message, said soft switch is sought and is learnt when neighbors breaks off to all neighborss transmission improper update message;
The transmission improper update is responded, and replys improper update to transmit leg when improper update message is received in said soft switch and responds;
Status enquiry is inquired to transmit status when improper update message is received in said soft switch, is used to upgrade the legitimacy of local record route; Said status inquiry message is sent to all soft switch of local route record;
The transmit status inquiry is responded, and returns transmit status to transmit leg when receiving apply for information and responds.
2. multizone network-building method according to claim 1; It is characterized in that; Said soft switch is sent message to all neighbors soft switch; When said message is received in other soft switch not in the transmit leg zone other soft switch transmit said message, and transmit this message to other regional abutment points.
3. multizone network-building method according to claim 2; It is characterized in that; Said soft switch comprises one-level soft switch and subordinate's soft switch, and wherein, the route messages that other one-level soft switch is sent is received in the one-level soft switch; Only send, and do not transmit said message to other one-level soft switch to subordinate's soft switch.
4. multizone network-building method according to claim 3 is characterized in that, the soft switch with direct relationship between superior and subordinate is a neighbors, neighbors each other between the one-level soft switch.
5. multizone network-building method according to claim 3 is characterized in that the soft switch that domain name is identical belongs to same zone.
6. multizone network-building method according to claim 3; It is characterized in that; Soft switch receives and starts the timer timing after the birth message, if before timer expiry if receive the timer timing of then resetting of birth message again, if timer expiry is then outwards sent out this locality and sent routing iinformation message.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210128751.2A CN102710498B (en) | 2012-04-27 | 2012-04-27 | Multi-area networking method |
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| CN201210128751.2A CN102710498B (en) | 2012-04-27 | 2012-04-27 | Multi-area networking method |
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| CN102710498A true CN102710498A (en) | 2012-10-03 |
| CN102710498B CN102710498B (en) | 2015-06-03 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1996891A (en) * | 2006-12-22 | 2007-07-11 | 中国联合通信有限公司 | A soft switch network and its networking method |
| US20090003356A1 (en) * | 2007-06-15 | 2009-01-01 | Silver Spring Networks, Inc. | Node discovery and culling in wireless mesh communications networks |
| CN102006187A (en) * | 2010-11-19 | 2011-04-06 | 中兴通讯股份有限公司 | Networking method and network of soft exchange gateway |
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- 2012-04-27 CN CN201210128751.2A patent/CN102710498B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1996891A (en) * | 2006-12-22 | 2007-07-11 | 中国联合通信有限公司 | A soft switch network and its networking method |
| US20090003356A1 (en) * | 2007-06-15 | 2009-01-01 | Silver Spring Networks, Inc. | Node discovery and culling in wireless mesh communications networks |
| CN102006187A (en) * | 2010-11-19 | 2011-04-06 | 中兴通讯股份有限公司 | Networking method and network of soft exchange gateway |
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| CN102710498B (en) | 2015-06-03 |
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