CN100579249C - System for interconnection between frames in communication system and its business transmission method - Google Patents
System for interconnection between frames in communication system and its business transmission method Download PDFInfo
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- CN100579249C CN100579249C CN200510066148A CN200510066148A CN100579249C CN 100579249 C CN100579249 C CN 100579249C CN 200510066148 A CN200510066148 A CN 200510066148A CN 200510066148 A CN200510066148 A CN 200510066148A CN 100579249 C CN100579249 C CN 100579249C
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Abstract
The invention is concerned with the frame interlock system and the operation transmission method. Each exchange halftone of the frame interlocks by the overlapping physical medium in the communication system; when the operating boards between the frames needs to process the data transmission, sends the operation to each exchange halftone of the receiving frame by each exchange halftone in the sending frame; the operation board of the receiving frame need to receive the operation from each exchange frames respectively. The invention is using the overlapping physical medium to interlock each exchanging halftone between the frames of the communication system, using the both sending and both receiving operation transmitting mode between the frames, ensure the reliability of the frame operation transmission in the communication system, reduce the complex degree of the system achievement, in order to avoid the partial failure to affect the normal operation transmission of the whole network.
Description
Technical field
The present invention relates to network communications technology field, relate in particular to the system and the business transmitting method thereof that interconnect between a kind of communication system center.
Background technology
Existing communication system is made up of many frames usually, and described many frames can be arranged in same communication equipment also can be arranged in different communication equipments.Adopt two network board interconnection in the single frame, the network board between frame and the frame is by certain physical medium interconnection.The concrete technical scheme that adopts of interframe interconnection is that industry is being inquired into a problem always.
At present, it is to adopt star-like topological structure to interconnect between frame that a kind of interframe interconnection mode is arranged, described star-like topological structure interconnection is meant that interconnection does not have the physical interconnections medium between switching network plane 0 and the plane 1 between frame between the switching network plane 1 in interconnection between the switching network plane 0 between frame.In the network that adopts star-like topological structure interconnection, business transmission between frame, the transmission receive mode that is business packet has two kinds usually: a kind of is to duplicate two sending service bags at transmitting terminal on network board 0 and network board 1, in the professional business packet of selecting receipts network board 0 or network board 1 to send of receiving terminal; Another kind is to select network board 0 or network board 1 single-shot business packet at transmitting terminal, can be that choosing is received or two receipts at receiving terminal.
For the transmission receive mode that adopts first kind of business packet in the star-like topological structure Interworking Technology scheme between frame, relatively be suitable for the application scheme of network board biplane work between frame, promptly two exchange planes are worked simultaneously, handle identical business packet; As shown in Figure 1, the business board 1 of business board 0 in the frame 0 in frame 1 sends business packet, and solid line is illustrated in the bag of switching network plane 0 transmission, and dotted line is illustrated in the bag of switching network plane 1 transmission, business board 0 sends identical business packet on two switching network planes, and promptly business board is two sends out; Business board 1 selects one the tunnel to receive according to Link State, i.e. business board choosing is received; As can be seen from Figure 1, any link failure in the solid line, business board 1 all needs to do link switchover, promptly is switched to the transmission that the enterprising industry of dotted line is engaged in.For this reason, need a kind of mechanism of link detecting end to end to guarantee the integrality of the link that receiving, otherwise business board 1 can't be predicted the state that removes with direct-connected other link of this veneer, also just can't realize reliable switching operation, make that the business in the communication system can't reliable transmission; Yet, implement not only cost height for link detecting mechanism end to end, and, realize complicatedly, difficulty is bigger.
Therefore, there is following shortcoming in the transmitting-receiving mode of the business packet that is adopted between the frame of above-mentioned stelliform connection topology configuration interconnection:
1, needs the integrality of link detecting mechanism assurance link end to end, still, realize complicated;
2, single link failure between frame can cause all business boards reception link switchovers in the respective block;
3, switching network crossing on the same level fault between frame can cause the collapse of whole system.
The application scheme that then relatively is suitable for network board linking switching between frame for the transmitting-receiving mode that adopts second kind of business packet in the stelliform connection topology configuration interconnect scheme between frame.So-called linking switching, two switching networks adopt active and standby working method exactly, the switching network main and standby relation binding between frame, link failure can cause the network board linking switching of all frames between frame.As shown in Figure 2, business board 0 in the frame 0 and the business board 1 in the frame 1 are only in main exchange net plate working face transport service; Business board 0 selects primary link to send data according to the masterslave state of network board, and reserve link does not have data to send, and the receive mode that business board 1 adopts can be two receipts, also can receive according to the activestandby state choosing of switching network; If a certain link failure in the primary link, the linking switching of all network boards that will cause this link process is in standby link.
Therefore, adopt the transmitting-receiving mode of the second kind of business packet that is adopted between the frame of stelliform connection topology configuration interconnection to deposit equally in following shortcoming:
1, single link failure between frame can cause the linking switching of all frame network board main and standby relation;
2, switching network crossing on the same level fault between frame can cause the collapse of whole system;
3, need switching between special software and consultative management frame, not only loaded down with trivial details, and also the time of switching is longer.
Summary of the invention
In view of above-mentioned existing in prior technology problem, the purpose of this invention is to provide the system and the business transmitting method thereof that interconnect between a kind of communication system center, thereby guarantee reliability of service transmission between the communication system center, make the local fault of communication system can not have influence on the regular traffic transmission of whole network again.
The objective of the invention is to be achieved through the following technical solutions:
The invention provides the system that interconnects between a kind of communication system center, comprising:
Adopt the physical medium interconnection between main exchange net plate between each frame of communication system and main exchange net plate, main exchange net plate and auxiliary exchange net plate and auxiliary exchange net plate and the auxiliary exchange net plate;
And when needing to carry out the transmission of data service between the business board between frame, by the main exchange net plate that sends in the frame, with two parts of described service duplications, and send to active and standby network board in the sink block respectively, the business board in the sink block receives professional respectively from wherein each network board.
The invention provides a kind of business transmitting method, comprising based on the system that interconnects between described communication system center:
A, when needing to carry out the transmission of data service between the business board between frame, by sending main exchange net plate in the frame, and send to the active and standby network board in the sink block respectively with two parts of described service duplications;
Business board in B, the sink block receives professional respectively from wherein each network board.
Described steps A comprises:
The output port of A1, the business board in sending frame becomes two parts with service duplication to be sent;
A2, will be copied into two parts business to be sent and send to the active and standby network board that sends in the frame respectively;
After active and standby network board in A3, the described transmission frame is received described business, duplicate two parts of active and standby network boards that send to respectively in the sink block at the output port of self again by wherein main exchange net plate.
Described step B comprises:
After active and standby network board in B1, the sink block is received described business, send it to business board in the frame by wherein main exchange net plate;
B2, the reception of on the business board of sink block, being engaged in from the enterprising industry of active and standby network board simultaneously.
Described steps A 3 and step B1 also comprise respectively:
The business that described auxiliary exchange net plate will be received abandons.
Business transmitting method between described communication system center also comprises:
When the main exchange net plate in the frame breaks down or no longer carry out the business transmission, then directly in frame, main exchange net plate is switched to auxiliary exchange net plate, make auxiliary exchange net plate be in the main state of using.
As seen from the above technical solution provided by the invention, there is following advantage in the present invention:
1, single link failure only can cause the active and standby of network board in this frame to be switched in the frame, and can not influence business board, has solved in the prior art, and single link failure can cause the problem of the linking switching of all frame network board main and standby relation between frame;
2, switching network crossing on the same level fault between frame, corresponding network board is finished masterslave switchover, does not influence the operate as normal of system, has solved the problem that switching network crossing on the same level fault causes whole system to be collapsed between frame;
3, because the network board masterslave switchover of single frame does not influence the operating state of the network board of other frame, do not need switching between special software and consultative management frame, therefore, the speed of switching is also than comparatively fast, and switches control procedure and realize simple;
4, single link failure only can cause the network board masterslave switchover of a frame between frame, and system still can operate as normal, guarantees that the business in the communication system can not lost, and has solved that single link failure can cause partial service to lose problem between frame.
Description of drawings
Fig. 1 and Fig. 2 are the schematic diagram of professional transmission between the frame that interconnects in the prior art;
Fig. 3 is the schematic diagram of professional transmission between center of the present invention;
Fig. 4 is the flow chart of method of the present invention.
Embodiment
Core of the present invention is that each network board between the frame of communication system adopts the physical medium interconnection that intersects, and two two service transferring mode of receiving of sending out have been adopted between frame, thereby guarantee reliability of service transmission between the communication system center, and the complexity that can the reduction system realizes.
The present invention at first provides the system that interconnects between a kind of communication system center, and its structure specifically comprises as shown in Figure 3:
Comprise two network boards in each frame of communication system, be generally main exchange net plate and auxiliary exchange net plate, need between each network board between frame, adopt the physical medium interconnection that intersects among the present invention; The physical medium interconnection that described employing intersects just is connected medium with being provided with between the main exchange net plate between each frame and main exchange net plate, main draping plate and auxiliary exchange net plate and auxiliary exchange net plate and the auxiliary exchange net plate, thereby provides basic for the present invention adopts two service transferring mode of sending out two receipts.
The embodiment of method of the present invention specifically comprises as 3 and shown in Figure 4:
Step 41: when needing to carry out the transmission of data between the business board between frame, the output port of the business board in sending frame becomes two parts with service duplication to be sent;
As shown in Figure 3, when the business board in the frame 00 need be when the business board in the frame 11 sends business packet, then at first described business packet is copied into two parts at the output port of business board 0;
Step 42: the business to be sent that will be copied into two parts sends to active and standby network board respectively;
Promptly in Fig. 3, the business packet of duplicating simultaneously sends to the active and standby network board of frame 0 respectively, promptly realizes the two functions of sending out of business board;
Step 43: after described active and standby network board is received described business, then duplicate two parts of active and standby network boards that send to respectively in the sink block at the output port of self again by wherein main exchange net plate;
Still referring to Fig. 3, the main exchange net plate of frame 0 is wherein transmitted after receiving business datum, is copied into two parts at output port, sends to the active and standby network board of frame 1 respectively simultaneously, has promptly realized the two functions of sending out of network board;
The auxiliary exchange net plate of frame 0 wherein then is in stand-by state owing to it after receiving business datum, need abandon the message of receiving, does not also just have business datum to send at its output port certainly;
Step 44: after the active and standby network board in the sink block is received described business, then send it to business board in the frame by wherein main exchange net plate;
That is to say that the main exchange net plate in the frame 1 shown in Figure 3 needs described business datum is transmitted to business board 1 after receiving business datum;
And the auxiliary exchange net plate in the frame 1 is received after the business datum, then needs this business datum of receiving is abandoned owing to it is in stand-by state, thereby makes do not have business datum to send at output port;
Step 45: on the business board of sink block,, promptly realize professional two functions of receiving simultaneously from the reception of the enterprising line data of active and standby network board;
Two input ports of the business board 1 in the described frame 1 just need receive business datum simultaneously, but have only a link to have business datum.
If sending other frames that also have middle cascade between frame and sink block; then transmitting-receiving mode of the business in other frames and previously described process are similar; the network board of participating in professional transmission course in the middle of described in other frames of cascade can comprise the active and standby network board of sending direction and the active and standby network board of receive direction usually; simultaneously, in other frames of middle cascade, also need the business board in the frame to participate in professional transmission.For realizing the present invention, the principle of being followed for the network board transmitting and receiving service in other frames of middle cascade is exactly: after the active and standby network board in the middle of (1) in other frames of cascade is received described business, main exchange net plate sends to business board with described business, and the business that auxiliary exchange net plate then will be received abandons; (2) the two sending services of business board give this business of forwarding active and standby network board, and the two active and standby network boards of issuing in the next stage frame in the professional back of main exchange net plate reception, and auxiliary exchange net plate then abandons after receiving described business.
As can be seen, among the present invention, because business board adopts two two strategies of receiving of sending out, so business board itself that is to say that not as link switchover link failure and business board are irrelevant, implements both succinct, safe and reliable again like this.
And, among the present invention, when the main exchange net plate in the frame breaks down or no longer carry out business transmission (main exchange net plate pulled down carry out attended operation as needs), then directly in the frame at its place, main exchange net plate is switched to auxiliary exchange net plate, make auxiliary exchange net plate be in and main use state, be in main former standby network board like this and just can carry out professional pair or forwarding and handled with state.
That is to say, network board can be finished switching of activestandby state according to Link State, because the switching network interframe interconnection adopts two mechanism of sending out, can accomplish the independence that switching network is switched between frame, the masterslave switchover that is the active and standby network board of any frame does not influence other frame veneer (comprising network board and other business board), does not influence the business board of this frame simultaneously yet; Like this, just can accomplish switching fully and protocol-independent of network board, not need special software or agreement to guarantee the correctness of Switchover mechanism.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (6)
1, the system that interconnects between a kind of communication system center is characterized in that, adopts the physical medium interconnection between the main exchange net plate between each frame of communication system and main exchange net plate, main exchange net plate and auxiliary exchange net plate and auxiliary exchange net plate and the auxiliary exchange net plate;
And when needing to carry out the transmission of data service between the business board between frame,,, and send to active and standby network board in the sink block respectively with two parts of described service duplications by the main exchange net plate that sends in the frame; Business board in the sink block receives professional respectively from wherein each network board.
2, a kind of business transmitting method based on the system that interconnects between described communication system center is characterized in that, comprising:
A, when needing to carry out the transmission of data service between the business board between frame, by the main exchange net plate that sends in the frame,, and send to active and standby network board in the sink block respectively with two parts of described service duplications;
Business board in B, the sink block receives professional respectively from wherein each network board.
3, the business transmitting method between communication system center according to claim 2 is characterized in that, described steps A comprises:
The output port of A1, the business board in sending frame becomes two parts with service duplication to be sent;
A2, will be copied into two parts business to be sent and send to the active and standby network board that sends in the frame respectively;
After active and standby network board in A3, the described transmission frame is received described business, duplicate two parts of active and standby network boards that send to respectively in the sink block at the output port of self again by wherein main exchange net plate.
4, the business transmitting method between communication system center according to claim 3 is characterized in that, described step B comprises:
After active and standby network board in B1, the sink block is received described business, send it to business board in the frame by wherein main exchange net plate;
B2, the reception of on the business board of sink block, being engaged in from the enterprising industry of active and standby network board simultaneously.
5, according to the business transmitting method between claim 3 or 4 described communication system centers, it is characterized in that described steps A 3 and step B1 also comprise respectively:
The business that described auxiliary exchange net plate will be received abandons.
6, the business transmitting method between communication system center according to claim 2 is characterized in that, this method also comprises:
When the main exchange net plate in the frame breaks down or no longer carry out the business transmission, then directly in frame, main exchange net plate is switched to auxiliary exchange net plate, make auxiliary exchange net plate be in the main state of using.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510066148A CN100579249C (en) | 2005-04-21 | 2005-04-21 | System for interconnection between frames in communication system and its business transmission method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510066148A CN100579249C (en) | 2005-04-21 | 2005-04-21 | System for interconnection between frames in communication system and its business transmission method |
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| Publication Number | Publication Date |
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| CN1856122A CN1856122A (en) | 2006-11-01 |
| CN100579249C true CN100579249C (en) | 2010-01-06 |
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| CN200510066148A Expired - Fee Related CN100579249C (en) | 2005-04-21 | 2005-04-21 | System for interconnection between frames in communication system and its business transmission method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111131095B (en) * | 2019-12-24 | 2021-08-24 | 杭州迪普科技股份有限公司 | Message forwarding method and device |
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