CN104506402A - Multilink-based data transmission system and implementation method - Google Patents
Multilink-based data transmission system and implementation method Download PDFInfo
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- CN104506402A CN104506402A CN201410713839.XA CN201410713839A CN104506402A CN 104506402 A CN104506402 A CN 104506402A CN 201410713839 A CN201410713839 A CN 201410713839A CN 104506402 A CN104506402 A CN 104506402A
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Abstract
The invention discloses a multilink-based data transmission system. The multilink-based data transmission system comprises a data transmitter for receiving and forwarding data transmitted by a data source, and a plurality of bus servers for receiving the data forwarded by the data transmitter, and selecting a bus server with the highest priority according to a pre-determined server priority for transmitting data to a bus load, wherein when data is transmitted to the bus load successfully, the bus server with the highest priority is used for feeding a data transmission result back to the bus servers; when transmission of data to the bus load fails, the bus server with the highest priority interrupts data transmission, and a bus server with a second priority is used for transmitting data to the bus load; when data is transmitted successfully, the data transmission result is fed back to the bus servers; and the data transmitter is used for receiving and transmitting data transmission results fed back by the bus servers. The multilink-based data transmission system has the beneficial effects that data reaches the bus servers through a plurality of links, so that the stability and reliability of data transmission completion are ensured.
Description
Technical field
The present invention relates to computer realm, specifically, relate to a kind of data transmission system based on multilink and implementation method.
Background technology
Along with the lifting day by day of computer system processor ability, utilize the method for these disposal abilities to emerge in an endless stream, wherein, adopt the computer system of distributed structure/architecture to be exactly effective one of scheme improving its disposal ability.The flexible configuration of the system resources such as distributed structure/architecture Permissible bandwidth, Performance And Reliability, adopt the system of distributed structure/architecture can comprise the distributed node of One's name is legion, these nodes can intercom mutually, to reach the object processing various task message.
But in the prior art, can leave following defect: after host apparatus breaks down, distributed consensus consultation blocks, and therefore whole system can lose efficacy; This has had influence on the practicality of whole system greatly.
For the problem in correlation technique, at present effective solution is not yet proposed.
Summary of the invention
The object of this invention is to provide a kind of data transmission system based on multilink and implementation method, to overcome currently available technology above shortcomings.
The object of the invention is to be achieved through the following technical solutions:
Based on a data transmission system for multilink, comprising:
Data transmitter, for receiving the data that data source sends, and forwards described data;
Some bus server, be connected with described data transmitter, for receiving the described data that described data transmitter forwards, after receiving the data, according to predetermined server precedence, the highest bus server of priority is selected to transmit described data to bus load;
Wherein, under the bus server that described priority is the highest transmits the successful situation of described data to described bus load, the bus server that described priority is the highest transmits result to the equal feedback data of described some bus server;
Wherein, when the bus server that described priority is the highest transmits described data failure to described bus load, the bus server that described priority is the highest interrupts described transfer of data, and the bus server being only second to this bus server by priority transmits described data to described bus load, and after described transfer of data success, to described some bus server equal feedback data transmission result;
Described data transmitter, also for receiving the described transfer of data result of described some bus server feedbacks, and is sent to described data source by described transfer of data result.
Further, also comprise moderator, be connected with described some bus server, for the data transmission state according to described some bus server, determine the server precedence of each bus server in real time.
Further, when the bus server that described priority is the highest transmits described data to described bus load, other bus server lower than this bus server priority all monitor the data transmission state of the highest bus server of described priority, and according to described data transmission state, determine whether the bus server that described priority is the highest transmits described data failure.
Further, the quantity of described data transmitter is at least 2, and when the quantity of described data transmitter is at least 2, described system also comprises:
Data selector, be connected with described data transmitter and described some bus server, for analyzing the load condition of described data transmitter, and according to the described transfer of data result of analysis result select corresponding data transmitter to receive and/or send described data that described data source sends and described some bus server feedbacks.
Based on an implementation method for the data transmission system of multilink, comprising:
By the data that data transmitter reception data source sends, and forward described data;
Some bus server are utilized to be connected with described data transmitter, receive the described data that described data transmitter forwards, after receiving the data, according to predetermined server precedence, the highest bus server of priority is selected to transmit described data to bus load;
Wherein, under the bus server that described priority is the highest transmits the successful situation of described data to described bus load, the bus server that described priority is the highest transmits result to the equal feedback data of described some bus server;
Wherein, when the bus server that described priority is the highest transmits described data failure to described bus load, the bus server that described priority is the highest interrupts described transfer of data, and the bus server being only second to this bus server by priority transmits described data to described bus load, and after described transfer of data success, to described some bus server equal feedback data transmission result;
Received the described transfer of data result of described some bus server feedbacks by described data transmitter, and described transfer of data result is sent to described data source.
Further, also comprise the moderator be connected with described some bus server, described moderator, according to the data transmission state of described some bus server, determines the server precedence of each bus server in real time.
Further, when the bus server that described priority is the highest transmits described data to described bus load, other bus server lower than this bus server priority all monitor the data transmission state of the highest bus server of described priority, and according to described data transmission state, determine whether the bus server that described priority is the highest transmits described data failure.
Further, the quantity of described data transmitter is at least 2, and when the quantity of described data transmitter is at least 2, described system also comprises:
Data selector, be connected with described data transmitter and described some bus server, the load condition of described data transmitter is analyzed, and according to the described transfer of data result of analysis result select corresponding data transmitter to receive and/or send described data that described data source sends and described some bus server feedbacks.
Beneficial effect of the present invention is: this device arrives bus server by multilink, if so network link breaks down, as long as there is a link alive, data can arrive bus server, complete transfer of data, effectively ensure that stability and the reliability of data information transfer;
After bus transfer terminates, multiple bus server all can obtain transmission result, even if so host apparatus breaks down, or primary link breaks down, as long as other bus server has a survival, get final product return data, complete communication, even if so network link breaks down, also can not the transmission result of influential system, realize zero self-healing function of network linking;
Data due to multiple bus server are synchronous, so when host apparatus has any fault, other server can start transmission in real time, and can judge the failure cause of host apparatus.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of data transmission system based on multilink according to the embodiment of the present invention;
Fig. 2 is the structural representation of a kind of data transmission system based on multilink according to the embodiment of the present invention 1;
Fig. 3 is the structural representation of a kind of data transmission system based on multilink according to the embodiment of the present invention 2.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of protection of the invention.
According to a kind of data transmission system based on multilink of the embodiment of the present invention, comprising data transmitter, for receiving the data that data source sends, and forwarding described data; Wherein, the number of data transmitter is at least two, and the data source in system is also at least two, and described data transmitter is all connected with two Data Source communication, and can receive the data of described data source transmission simultaneously.
Some bus server, be connected with described data transmitter, for receiving the described data that described data transmitter forwards, after receiving the data, according to predetermined server precedence, the highest bus server of priority is selected to transmit described data to bus load; Wherein, moderator in system judges the priority in bus server according to the real-time status in network, the reaction time etc. of the receiving data information as server wherein in network, priority in real-time judge bus server, because the real-time status in network is not determined, therefore, the priority level in the bus server judged by moderator is also dynamic.
Wherein, under the bus server that described priority is the highest transmits the successful situation of described data to described bus load, the bus server that described priority is the highest transmits result to the equal feedback data of described some bus server;
Wherein, when the bus server that described priority is the highest transmits described data failure to described bus load, the bus server that described priority is the highest interrupts described transfer of data, and the bus server being only second to this bus server by priority transmits described data to described bus load, and after described transfer of data success, to described some bus server equal feedback data transmission result;
Described data transmitter, also for receiving the described transfer of data result of described some bus server feedbacks, and is sent to described data source by described transfer of data result.
Also comprise moderator, be connected with described some bus server, for the data transmission state according to described some bus server, determine the server precedence of each bus server in real time.
When the bus server that described priority is the highest transmits described data to described bus load, other bus server lower than this bus server priority all monitor the data transmission state of the highest bus server of described priority, and according to described data transmission state, determine whether the bus server that described priority is the highest transmits described data failure; In addition, the success or not of own data transmission all can be detected in some bus server inside by loopback detection, wherein, after the bus server that priority is the highest detects data transmission fails by loopback detection, then can interrupt the transfer of data of described bus server immediately, the bus server log-on data transmission procedure immediately that other the priority judged by moderator is the highest, to ensure the continuity of transfer of data.
The quantity of described data transmitter is at least 2, and, when the quantity of described data transmitter is at least 2, described system also comprises data selector, be connected with described data transmitter and described some bus server, for analyzing the load condition of described data transmitter, and according to the described transfer of data result of analysis result select corresponding data transmitter to receive and/or send described data that described data source sends and described some bus server feedbacks.
Wherein, as shown in Figure 1, in the application, bus data source can comprise data source 1 and data source 2, and described data transmission unit comprises data transmitter 1 and data transmitter 2, and the data of described data source 1 and 2 first send to data transmitter 1 and data transmitter 2; Data transmitter can arrive bus server 1, bus server 2 and bus server N from many network link synchronized transmissions, and described bus server 1, bus server 2 and bus server N form the hot standby communication system of many masters of bus transfer.
Wherein network link can be arbitrary broadband link, and typical apply is Ethernet link.
The comprehensive condition that described moderator performs according to network linking and bus, elect the highest bus server of the priority in multiple bus server to be host apparatus, other is stand-by equipment; Election dynamically determines according to the actual state of network link, so the activestandby state of bus server is dynamic, instead of static state.
When determining that in bus server one for host apparatus, when other is standby server, according to implementation status, principle is who first replys data message, whose communication next time obtains host apparatus qualification, or after repeatedly message transmissions, who first replys message, and who obtains host apparatus qualification, or after host apparatus breaks down, obtain host apparatus qualification by standby server, arbitration modules is obtaining after host apparatus breaks down, being down to minimum by host apparatus priority; Namely the selection achieving active/standby server is comprehensively dynamically determined according to network linking and bus implementation status.
Wherein, the priority of described stand-by equipment determines according to the operation conditions of equipment, because all standby servers all can obtain the data of data source, monitoring the ruuning situation of bus, so monitoring situation result can be reported to data source, so once any fault occurs standby server by each standby server, its priority will reduce, if fault is serious, will communication mechanism be exited, or monitor function.
Described bus server 1, bus server 2 and bus server N are according to the priority judged result of described moderator, and wherein have and only have one for host apparatus, other is stand-by equipment; Bus host apparatus initiates communication, carries out loopback detection, if there is miscommunication interrupt transfer immediately simultaneously; Other stand-by equipment synchronously monitors the transmission situation of host apparatus, if host apparatus breaks down, then the stand-by equipment that priority is the highest starts transmission immediately immediately after judging bus idle state; Because data synchronously arrive bus server, so once any transmission fault occurs host apparatus, all standby servers all can judge the transmission result of host apparatus according to data, thus determine whether start transmission.
After bus transfer terminates, all bus server all synchronization gain can transmit result, the transmission result of bus is sent to data selector by the network link of Fig. 1 by all bus server simultaneously, after the filtration of data selector, give corresponding data source, complete a data communication.
In above data message transport process, no matter be active/standby server, all message transmission can be returned back to data selector by the network linking of oneself, data source is recycled to after being selected by data selector, so, even if network linking breaks down, the continuous data transmission of data still can be realized.
During concrete operations, as shown in Figure 2, the present embodiment 1 provides a kind of device of the bus server based on multilink, each bus server carries out cascade, each bus server can carry out forwarding data according to the setting of system, so each bus server can have two network links to be connected with data source, in typical apply, the active/standby server of bus server can be two, data transmitter 1 can merge into a module with simplified design with data selector, and data transmitter 2 and data selector 2 merge.
As shown in Figure 3, the present embodiment 2 provides a kind of device of the bus server based on multilink, and bus server can realize the complex function of multibus, and namely bus server can transmit the function of multiple bus communication simultaneously; Each bus server has two links to communicate with data source simultaneously, forms the network connection multiplexing structure of multibus, and each bus server no matter active/standby server, all sends to data selector by transmission result or fault message.
This device arrives bus server by multilink, if so network link breaks down, as long as there is a link alive, data can arrive bus server, complete transfer of data, effectively ensure that stability and the reliability of data information transfer;
After bus transfer terminates, multiple bus server all can obtain transmission result, even if so host apparatus breaks down, or primary link breaks down, as long as other bus server has a survival, get final product return data, complete communication, even if so network link breaks down, also can not the transmission result of influential system, realize zero self-healing function of network linking;
Data due to multiple bus server are synchronous, so when host apparatus has any fault, other server can start transmission in real time, and can judge the failure cause of host apparatus.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. based on a data transmission system for multilink, it is characterized in that, comprising:
Data transmitter, for receiving the data that data source sends, and forwards described data;
Some bus server, be connected with described data transmitter, for receiving the described data that described data transmitter forwards, after receiving the data, according to predetermined server precedence, the highest bus server of priority is selected to transmit described data to bus load;
Wherein, under the bus server that described priority is the highest transmits the successful situation of described data to described bus load, the bus server that described priority is the highest transmits result to the equal feedback data of described some bus server;
Wherein, when the bus server that described priority is the highest transmits described data failure to described bus load, the bus server that described priority is the highest interrupts described transfer of data, and the bus server being only second to this bus server by priority transmits described data to described bus load, and after described transfer of data success, to described some bus server equal feedback data transmission result;
Described data transmitter, also for receiving the described transfer of data result of described some bus server feedbacks, and is sent to described data source by described transfer of data result.
2. the data transmission system based on multilink according to claim 1, is characterized in that, also comprise:
Moderator, is connected with described some bus server, for the data transmission state according to described some bus server, determines the server precedence of each bus server in real time.
3. the data transmission system based on multilink according to claim 1, it is characterized in that, when the bus server that described priority is the highest transmits described data to described bus load, other bus server lower than this bus server priority all monitor the data transmission state of the highest bus server of described priority, and according to described data transmission state, determine whether the bus server that described priority is the highest transmits described data failure.
4. the data transmission system based on multilink as claimed in any of claims 1 to 3, it is characterized in that, the quantity of described data transmitter is at least 2, and, when the quantity of described data transmitter is at least 2, described system also comprises:
Data selector, be connected with described data transmitter and described some bus server, for analyzing the load condition of described data transmitter, and according to the described transfer of data result of analysis result select corresponding data transmitter to receive and/or send described data that described data source sends and described some bus server feedbacks.
5., as claimed in claim 1 based on an implementation method for the data transmission system of multilink, it is characterized in that, comprising:
By the data that data transmitter reception data source sends, and forward described data;
Some bus server are utilized to be connected with described data transmitter, receive the described data that described data transmitter forwards, after receiving the data, according to predetermined server precedence, the highest bus server of priority is selected to transmit described data to bus load;
Wherein, under the bus server that described priority is the highest transmits the successful situation of described data to described bus load, the bus server that described priority is the highest transmits result to the equal feedback data of described some bus server;
Wherein, when the bus server that described priority is the highest transmits described data failure to described bus load, the bus server that described priority is the highest interrupts described transfer of data, and the bus server being only second to this bus server by priority transmits described data to described bus load, and after described transfer of data success, to described some bus server equal feedback data transmission result;
Received the described transfer of data result of described some bus server feedbacks by described data transmitter, and described transfer of data result is sent to described data source.
6. the implementation method of the data transmission system based on multilink according to claim 5, is characterized in that, also comprise:
The moderator be connected with described some bus server, described moderator, according to the data transmission state of described some bus server, determines the server precedence of each bus server in real time.
7. the implementation method of the data transmission system based on multilink according to claim 5, it is characterized in that, when the bus server that described priority is the highest transmits described data to described bus load, other bus server lower than this bus server priority all monitor the data transmission state of the highest bus server of described priority, and according to described data transmission state, determine whether the bus server that described priority is the highest transmits described data failure.
8. according to the implementation method of the data transmission system based on multilink in claim 5 to 7 described in any one, it is characterized in that, the quantity of described data transmitter is at least 2, and, when the quantity of described data transmitter is at least 2, described system also comprises:
Data selector, be connected with described data transmitter and described some bus server, the load condition of described data transmitter is analyzed, and according to the described transfer of data result of analysis result select corresponding data transmitter to receive and/or send described data that described data source sends and described some bus server feedbacks.
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| CN201410713839.XA CN104506402B (en) | 2014-12-01 | 2014-12-01 | A kind of data transmission system and implementation method based on multilink |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113268446A (en) * | 2021-04-07 | 2021-08-17 | 中国电子科技集团公司电子科学研究院 | Information processing method and device for accessing various airborne buses |
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| CN1758622A (en) * | 2005-11-11 | 2006-04-12 | 哈尔滨工业大学 | Heterogeneous multi-bus data transmission method between information processing device |
| CN101030184A (en) * | 2007-03-27 | 2007-09-05 | 中兴通讯股份有限公司 | Method for changing DMA peripheral apparatus data transmission applied priority level dynamically |
| CN101193294A (en) * | 2006-11-29 | 2008-06-04 | 中兴通讯股份有限公司 | A video content service system and service method |
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| CN1758622A (en) * | 2005-11-11 | 2006-04-12 | 哈尔滨工业大学 | Heterogeneous multi-bus data transmission method between information processing device |
| CN101193294A (en) * | 2006-11-29 | 2008-06-04 | 中兴通讯股份有限公司 | A video content service system and service method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113268446A (en) * | 2021-04-07 | 2021-08-17 | 中国电子科技集团公司电子科学研究院 | Information processing method and device for accessing various airborne buses |
| CN113268446B (en) * | 2021-04-07 | 2023-11-17 | 中国电子科技集团公司电子科学研究院 | Information processing method and device for multiple airborne bus accesses |
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Effective date of registration: 20191202 Address after: Room 209, floor 2, floor C-7, Dongsheng Science Park, Zhongguancun, No.66, xixiaokou Road, Haidian District, Beijing 100080 Patentee after: Beijing Enyitong Technology Development Co., Ltd. Address before: Room 306, block a, No. 3, Heqing Road, Haidian District, Beijing 100084 Patentee before: Yan Xiaofeng |