CN100420217C - Interframe interconnection communication system and data exchanging method thereof - Google Patents
Interframe interconnection communication system and data exchanging method thereof Download PDFInfo
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- CN100420217C CN100420217C CNB2005100800703A CN200510080070A CN100420217C CN 100420217 C CN100420217 C CN 100420217C CN B2005100800703 A CNB2005100800703 A CN B2005100800703A CN 200510080070 A CN200510080070 A CN 200510080070A CN 100420217 C CN100420217 C CN 100420217C
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Abstract
A communication system of frame interconnected type is featured as forming system structure by multiple frame and realizing interconnection between frame by applying mesh topological structure as well as setting direct physical media between any two frame for raising reliability of said system.
Description
Technical field
The present invention relates to network communications technology field, relate in particular to a kind of communication system and method for interchanging data thereof of interframe interconnection.
Background technology
Existing communication system generally is made up of many frames, adopts two network boards in each single frame, and two network boards adopt working methods such as redundancy backup, load sharing or biplane, thereby a kind of communication work mode of communication system of high reliability is provided; In the communication system, the network board between frame and the frame is by physical medium interconnection, for the veneer of internal system each other data interaction provide and can reach route.
Owing to many-sided reasons such as inheritance, limitation, make that the cascade scheme generally adopts star-like topological structure between existing communication system frame.Described stelliform connection topology configuration is a Main subrack, a plurality of topological structure from frame is set.
When adopting star-like topological structure between frame, interconnect between the main exchange net plate between frame, interconnect between the network board, and at main exchange net plate between frame with from there not being the physical interconnections medium between the network board.As can be seen, the network board interconnect scheme can be well suited between frame the application scheme of network board biplane work between network board linking switching, frame or load sharing between this frame.
With reference to Fig. 1, can be as seen from the figure, the network board of Main subrack is as the hinge that exchanges between the whole system frame, i.e. and main exchange net plate is responsible for Main subrack and between the frame or from the exchanges data of the business board between the frame.Owing to do not have direct route between the frame, therefore, must transmit by the main exchange net plate of Main subrack from the exchanges data of the business board between the frame for two arbitrarily, that is to say need through three switching networks take net and exchange just can realize from the exchanges data between frame.So, the interframe interconnection scheme of present this stelliform connection topology configuration has proposed higher requirement to the network board of Main subrack, not only need it to have bigger processing bandwidth, more need it to have higher reliability, with the stability that guarantees whole communication system and can wait for by property.
Thus, there is following shortcoming in the technical scheme that can draw the interframe interconnection of the stelliform connection topology configuration that above-mentioned prior art provides:
1, adopt a Main subrack (promptly main frame), a plurality of interframe interconnection schemes from frame, any two do not have direct access between the frame, and exchanges data must be transmitted by the network board of Main subrack, and the delay of transfer of data, shake are bigger; And the handling property to the network board in the Main subrack is had relatively high expectations, and has improved the realization cost of network board in the Main subrack;
2, the restriction of acceptor center frame network board handling property, can not cascade during interframe interconnection too many from frame, thus make the disposal ability of communication system and capacity limited, can't satisfy growing communicating requirement well;
3, owing to have Main subrack and from the difference of frame, Main subrack and incomplete same from the software processes of frame network board need be provided with corresponding software processes flow process respectively, increased the complexity that interframe interconnection is realized;
4, the technical scheme of the interframe interconnection of stelliform connection topology configuration makes that the reliability of communication system is not high, when Main subrack breaks down, will cause whole system paralysis, make do not break down from can't normally communicating between network board.
Summary of the invention
In view of above-mentioned existing in prior technology problem, the purpose of this invention is to provide a kind of communication system and method for interchanging data thereof of the interframe interconnection that can address the above problem.
The objective of the invention is to be achieved through the following technical solutions:
The invention provides a kind of communication system of interframe interconnection, adopt the interconnection between fully connected topology realization frame between each frame of communication system, between any two frames, be equipped with through physical medium; Described each frame is formed by network board and business board, and the business board in each frame links to each other with network board, links to each other by each network board between each frame.
Described each frame is formed by two network boards and one or more business boards; Interconnect by through physical medium respectively between each business board in each frame and each network board; Each network board between each frame is respectively by the corresponding in twos interconnection of through physical medium.
Two network boards in described each frame are respectively as main exchange net plate or auxiliary exchange net plate.
Each network board in described each frame can adopt the identical network board of structure function.
The present invention also provides a kind of method for interchanging data of the communication system based on described interframe interconnection, comprising: the business board that the data in A, the communication system start in the frame is sent to the interior network board of frame with data to be sent; B, described network board directly send to described data network board in the purpose frame by through physical medium; The business board of C, purpose frame receives described data by the network board in the frame.
In each frame, exist under the situation of two network boards, network board in each frame is respectively as main exchange net plate and auxiliary exchange net plate, described data start frame interior main exchange net plate and interior corresponding connection of main exchange net plate of described purpose frame, described data start in the frame auxiliary exchange net plate and the auxiliary exchange net plate in the described purpose frame is corresponding is connected, described steps A specifically comprises: the business board that data start in the frame is sent to frame interior main exchange net plate and auxiliary exchange net plate respectively with identical data; Described step B specifically comprises: described main exchange net plate directly sends to described data main exchange net plate in the purpose frame by through physical medium; Described auxiliary exchange net plate directly sends to described data auxiliary exchange net plate in the purpose frame by through physical medium.
Described step B specifically comprises:
Described network board determines to arrive the through physical medium of purpose frame according to the network topological information of preserving, and directly data is sent to network board in the purpose frame by described through physical medium.
Described step C comprises: the purpose frame determines to receive the business board of data, and described business board receives data by the main exchange net plate in the frame.
Described step C comprises: when masterslave switchover had taken place network board in definite purpose frame, then business board received data by the auxiliary exchange net plate in the frame.
As seen from the above technical solution provided by the invention, the communication system of interframe interconnection of the present invention is made up of a plurality of frames, adopts the interconnection between fully connected topology realization frame between each frame, all is provided with through physical medium between any two frames.Data directly send to the purpose frame by the through physical medium of interconnection between frame.
Therefore, technical solution of the present invention is brought following beneficial effect:
1, adopt fully connected topology between frame, between any two frames direct access is arranged, exchanges data needn't be transmitted by the network board of Main subrack, only transmits between the network board of any two frames; Reduce delay, the shake of transfer of data, and do not required the stronger network board of set handling ability in the communication system, reduced the realization cost of communication system;
2, because flow is at all network board load sharings between frame, reduction is to the handling property requirement of network board; Energy a lot of frames of cascade and system, disposal ability and capacity all increase;
3, frame and frame are in the status of equity, and the software processes of network board is identical, makes that the realization of interframe interconnection is more easy;
4, distributed switch fabric, the not high problem of the reliability of resolution system promptly can not occur causing the situation that whole communication system can't proper communication because a certain network board breaks down again.
Description of drawings
Fig. 1 is the schematic diagram of prior art scheme;
Fig. 2 is the schematic diagram of technical solution of the present invention;
Fig. 3 is the flow chart of technical solution of the present invention.
Embodiment
Among the present invention, the communication system of described interframe interconnection is made up of a plurality of (N) frame, adopts the interconnection between fully connected topology realization frame between each frame, just all is provided with through physical medium between any two frames; Be specially: each frame is formed by main exchange net plate, auxiliary exchange net plate and business board; Interconnect between the main exchange net plate between frame, from interconnection in twos between the network board, business board in each frame and active and standby network board all have the physical medium interconnection.Like this, the status between frame and the frame is reciprocity, does not have Main subrack and from the notion of frame; Solved the problem that exchanges data in the past must be transmitted by the network board of Main subrack.The solution of the present invention is only transmitted between the network board of any two frames.
The specific implementation structure of system of the present invention is as shown in Figure 2:
The N of the communication system of a described interframe interconnection frame is formed by two network boards and two or more business boards; Interconnect by through physical medium is corresponding in twos respectively between each network board between each frame; Business board in each frame and active and standby network board all have the physical medium interconnection.Two network boards in described each frame are respectively switching network 0 and switching network 1, suppose net 0 main exchange net plate in return, and switching network 1 is from network board.Each network board in each frame here all adopts the identical network board of structure function.
System of the present invention adopts the working method of dual transmitting and receiving.For example: business board A sends data to business board B, at first, business board sends identical business data packet to the network board 0,1 of this frame 1, be forwarded to the network board 0,1 of frame N by the interframe interconnection medium, transmit two identical packets by network board 0,1 again and give business board B, business board B selects one the tunnel to receive according to the activestandby state of frame N switching network; Send out because business board A is two, business board B selects receipts, so cry dual transmitting and receiving.
Below will be to the method for interchanging data of the communication system based on described interframe interconnection provided by the invention, its step comprises:
Step 31: communication system start in the frame business board with two groups of same data be sent to main exchange net plate with from network board;
Step 32: main exchange net plate and the data that directly will be received separately by through physical medium in the frame of starting from network board send in the purpose frame corresponding main exchange net plate and from network board;
Described network board is specially the through physical medium that determine to arrive the purpose frame according to the network topological information of preserving in the frame, so that directly described data are sent to network board in the purpose frame by described through physical medium;
Step 33: the purpose frame is judged the masterslave switchover state, if masterslave switchover takes place, then execution in step 34, otherwise, execution in step 35;
In this step main purpose be according to frame in the masterslave switchover state determine current in running order network board so that carry out the reception of business datum by corresponding network board;
Step 34: the data in the business board sink block of purpose frame from network board, finish exchanges data;
Step 35: the data of the main exchange net plate in the business board sink block of purpose frame, finish exchanges data.
The purpose here is for preventing to receive two parts of same packets, business board only receives packet from the network board of main usefulness, in case the network board fault of main usefulness, then network board sends masterslave switchover, master originally reduces to standby network board with network board, originally standby network board is upgraded to the network board of main usefulness, but business board is to receive packet from the network board of main usefulness always.
Among the present invention, because main exchange net plate and physical interconnections medium between frame from not having between the network board to intersect, status between frame and the frame is an equality, therefore, can realize that traffic load is shared between frame, the network board fault of frame only influences this frame arbitrarily, does not influence other frame, can not cause the paralysis of system; Exchanges data has direct route between frame, and only through the switching network overlap joint and the forwarding of two-stage, shake is relative less with delay.
Because flow reduces the handling property requirement to network board at all network board load sharings between frame; Not high to the network board handling performance requirements like this, solved the problem that original system can not the too many frame of cascade, can cascade a lot of frames, strengthened the disposal ability of system, increased the capacity of system.
Frame and frame are in the status of equity, can use the work of identical software processes network board; The distributed switch fabric that adopts of this system has simultaneously improved the reliability of system.
When needing to transmit data between frame, after the business board of initial block receives data, send to the auxiliary exchange net plate of advocating peace of this frame, the through physical medium of the auxiliary exchange net plate of advocating peace by interconnection of initial block is sent to the auxiliary exchange net plate of advocating peace of purpose frame with data, and the main exchange net plate of purpose frame sends to data the business board of frame.If certain main exchange net plate breaks down in this process, active and standby network board sends masterslave switchover, and standby network board is upgraded to the network board of main usefulness, and then data are by original the transmitting from network board of this frame.
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 (9)
1. the communication system of an interframe interconnection is characterized in that, adopts the interconnection between fully connected topology realization frame between each frame of communication system, is equipped with through physical medium between any two frames; Described each frame is formed by network board and business board, and the business board in each frame links to each other with network board, links to each other by each network board between each frame.
2. the communication system of interframe interconnection according to claim 1 is characterized in that, described each frame is formed by two network boards and one or more business boards; Interconnect by through physical medium respectively between each business board in each frame and each network board; Each network board between each frame is respectively by the corresponding in twos interconnection of through physical medium.
3. the communication system of interframe interconnection according to claim 2 is characterized in that, two network boards in described each frame are respectively as main exchange net plate or auxiliary exchange net plate.
4. the communication system of interframe interconnection according to claim 2 is characterized in that, each network board in described each frame adopts the identical network board of structure function.
5. the method for interchanging data based on the communication system of described interframe interconnection is characterized in that, comprising:
The business board that data in A, the communication system start in the frame is sent to the interior network board of frame with data to be sent;
B, described network board directly send to described data network board in the purpose frame by through physical medium;
The business board of C, purpose frame receives described data by the network board in the frame.
6. the method for interchanging data of the communication system based on interframe interconnection according to claim 5, it is characterized in that, in each frame, exist under the situation of two network boards, network board in each frame is respectively as main exchange net plate and auxiliary exchange net plate, described data start frame interior main exchange net plate and interior corresponding connection of main exchange net plate of described purpose frame, described data start in the frame auxiliary exchange net plate and the auxiliary exchange net plate in the described purpose frame is corresponding is connected, described steps A specifically comprises: the business board that data start in the frame is sent to frame interior main exchange net plate and auxiliary exchange net plate respectively with identical data;
Described step B specifically comprises: described main exchange net plate directly sends to described data main exchange net plate in the purpose frame by through physical medium; Described auxiliary exchange net plate directly sends to described data auxiliary exchange net plate in the purpose frame by through physical medium.
7. the method for interchanging data of the communication system based on interframe interconnection according to claim 5 is characterized in that described step B specifically comprises:
Described network board determines to arrive the through physical medium of purpose frame according to the network topological information of preserving, and directly data is sent to network board in the purpose frame by described through physical medium.
8. the method for interchanging data of the communication system based on interframe interconnection according to claim 6 is characterized in that described step C comprises:
The purpose frame determines to receive the business board of data, and described business board receives data by the main exchange net plate in the frame.
9. the method for interchanging data of the communication system based on interframe interconnection according to claim 6 is characterized in that described step C comprises:
When masterslave switchover had taken place network board in definite purpose frame, then business board received data by the auxiliary exchange net plate in the frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100800703A CN100420217C (en) | 2005-06-28 | 2005-06-28 | Interframe interconnection communication system and data exchanging method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100800703A CN100420217C (en) | 2005-06-28 | 2005-06-28 | Interframe interconnection communication system and data exchanging method thereof |
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| CN1889483A CN1889483A (en) | 2007-01-03 |
| CN100420217C true CN100420217C (en) | 2008-09-17 |
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| CNB2005100800703A Expired - Fee Related CN100420217C (en) | 2005-06-28 | 2005-06-28 | Interframe interconnection communication system and data exchanging method thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101247663B (en) * | 2008-03-07 | 2011-03-02 | 中兴通讯股份有限公司 | Considerable routing system and its forwarding table generation method |
| CN101447941A (en) * | 2008-12-25 | 2009-06-03 | 华为技术有限公司 | Multi-frame interconnection system and frame connection method |
| CN101848158B (en) * | 2010-05-18 | 2013-09-25 | 深圳市恒扬科技有限公司 | Load balance method and device for data channels and network exchange equipment |
| CN103236991B (en) * | 2013-03-29 | 2016-08-24 | 华为技术有限公司 | Communication system |
| CN105812288B (en) * | 2014-12-29 | 2020-04-10 | 中兴通讯股份有限公司 | Data exchange method, multi-frame interconnection system and frame equipment thereof |
| CN108768899B (en) * | 2018-04-03 | 2020-07-07 | 华为技术有限公司 | Data communication system and method |
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| CN1482751A (en) * | 2003-07-24 | 2004-03-17 | 烽火通信科技股份有限公司 | Organizing method for automaitic switching optical network node communication structure based on embedded communication channel technique |
| CN1520053A (en) * | 2003-01-21 | 2004-08-11 | 华为技术有限公司 | Concatenation device capable of providing both of primary auxiliary protection and eapacitance expansion |
| WO2005006144A2 (en) * | 2003-06-30 | 2005-01-20 | Finisar Corporation | Propagation of signals between devices for triggering capture of network data |
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Patent Citations (6)
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| JPH11355395A (en) * | 1998-06-09 | 1999-12-24 | Nippon Telegr & Teleph Corp <Ntt> | Small-sized multimedia wiring method |
| CN1236256A (en) * | 1998-07-17 | 1999-11-24 | 北京邮电大学 | Asynchronous transfer mode turn-on device for public network |
| CN1327328A (en) * | 2000-08-01 | 2001-12-19 | 华为技术有限公司 | Data communication system capable of smoothly expanding capacity |
| CN1520053A (en) * | 2003-01-21 | 2004-08-11 | 华为技术有限公司 | Concatenation device capable of providing both of primary auxiliary protection and eapacitance expansion |
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