CN101534290A - Data transmission system - Google Patents
Data transmission system Download PDFInfo
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- CN101534290A CN101534290A CN200810085417A CN200810085417A CN101534290A CN 101534290 A CN101534290 A CN 101534290A CN 200810085417 A CN200810085417 A CN 200810085417A CN 200810085417 A CN200810085417 A CN 200810085417A CN 101534290 A CN101534290 A CN 101534290A
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Abstract
The invention discloses a data transmission system which comprises a first interface, a second interface, a data receiving module and a bearer protocol module, wherein the data receiving module is used for receiving external data through the first interface and/or the second interface and sending the received data to the bearer protocol module, and the attribute information of the data received through the first interface and the second interface is different; the bearer protocol module is used for carrying out corresponding processing to the received data according to the attribute information of the received data to convert the received data to data of a network port data structure and send the data of the network port data structure to the outside through the first interface and/or the second interface. The adoption of the system realizes two physical access modes on one physical single-board.
Description
Technical field
The present invention relates to the communications field, relate more specifically to a kind of data transmission system.
Background technology
Next generation network (NGN) technology has become one of communication technology of paying close attention to most in the whole world, and as a kind of new communication technology, NGN not only wants compatible traditional circuit switching, also will support packet switching simultaneously.Finally, promptly mainly support Internet protocol (Internet Protocol is called for short IP) technology based on packet switching.
Traditional E1 access device needs point-to-point protocol (Point to Point Protocol, be called for short PPP)/High-Level Data Link Control (High-Level Data Link Control, abbreviation HDLC) control of agreement, the Ethernet access device then needs the control of transmission control protocol (Transmission Control Protocol is called for short TCP)/IP protocol family.
Provide the GE of E1 and Ethernet to insert on the same interface board, need the agreement carrier module that the fusion of PPP/HDLC agreement and ICP/IP protocol bunch is provided.The control structure that to the effect that present two kinds of physics is inserted the agreement that needs that merges is carried out unified integration, and " the network interface data structure " after the merging (net_if is with reference to figure 5) can be finished two cover agreements are managed simultaneously and controlled.
" socket " that the uniform protocol carrier module provides the upper-layer service software module be interface (socket).Can guarantee the transparency of upper layer software (applications) like this to the bottom physical link.
When the upper-layer service software module has changed routing configuration, need agreement carrier module and upper-layer service software module to work in coordination with physical port routing and configuration modification are carried out smoothly.Need which link of agreement carrier module notice upper-layer service software module not use when level and smooth, which can use, service flow transfer on the link that the upper-layer service software module will need to delete to the operable link after, reinform the agreement carrier module and carry out the link removal action, above process is asynchronous carries out.
Because the E1 access is different with the implementation that GE inserts in the existing telecommunication network system, the product of most equipment manufacturers often needs to provide simultaneously the access device of two kinds of networks, so there be a lot of the restriction aspect networking, equipment installation and the cutover.In order to break this restriction, E1 and GE need be realized on a physical interface plate simultaneously, and software is supported between two networks and switches dynamically, guarantee the upper-layer service software module under the situation of not knowing the bottom transmission means, the software that bottom is responsible for carrying can be selected the physical network that inserts flexibly.
Summary of the invention
One or more problems in view of the above the invention provides a kind of data transmission system, to realize two kinds of physics access waies on a Physical board.
Data transmission system according to an embodiment of the invention comprises first interface, second interface, data reception module and bearing protocol module.Wherein, data reception module is used for receiving data from the outside by first interface and/or second interface, and the data that received are sent to the bearing protocol module, and wherein, the attribute information of the data that receive by first interface and second interface is different; The bearing protocol module is used for according to the attribute information of the data that received the data that received being carried out respective handling, the data that received are converted to the data of network interface data structure, and the data of network interface data structure are sent to the outside by first interface and/or second interface.
Data transmission system according to the embodiment of the invention also comprises: the business software module, be used for attribute information and/or the attribute information before its conversion and/or the Link State of first interface and second interface according to the data of network interface data structure, judgement be by first interface, second interface, or first interface and second interface are sent to the outside with the data of network data structure, and judged result are sent to the bearing protocol module.
Data transmission system according to the embodiment of the invention also comprises: the data configuration module, be used for removing under the situation of data link of first interface or second interface at needs, and send the data link removal request to the business software module.The business software module responds is in the data link removal request, the interface that order bearing protocol module will originally need be removed by data link send and/or data move to another interface and send and/or receive.Wherein, the data configuration module also is used for: add at needs under the situation of data link of first interface or second interface, send data link to the business software module and add request.The business software module also is used for: add request in response to data link, the data link that order bearing protocol module is added first interface or second interface.Wherein, the business software module communicates by sockets interface and bearing protocol module.
Data transmission system according to another embodiment of the invention comprises first interface, second interface and bearing protocol module.Wherein, data reception module is used for receiving data from the network interface data structure of outside by first interface and/or second interface, and the data of network interface data structure are sent to the bearing protocol module, wherein, the attribute information of the data of the network interface data structure that receives by first interface and second interface is different; The bearing protocol module is used for according to the attribute information of the data of network interface data structure network interface being carried out respective handling according to the data of structure, the data of network interface data structure are converted to are adapted to pass through the data that first interface and/or second interface send, and the data after will changing by first interface and/or second interface are sent to the outside.
Data transmission system according to another embodiment of the invention also comprises: the business software module, be used for attribute information and/or the attribute information after its conversion and/or the Link State of first interface and second interface according to the data of network interface data structure, judgement be by first interface, second interface, or first interface and second interface data after will changing are sent to the outside, and judged result are sent to the bearing protocol module.
Data transmission system according to another embodiment of the invention also comprises: the data configuration module, be used for removing under the situation of data link of first interface or second interface at needs, and send the data link removal request to the business software module.The business software module responds is in the data link removal request, and the data that the interface that order bearing protocol module will originally need be removed by data link sends and/or receives are moved to another interface and sent and/or receive.Wherein, the data configuration module also is used for: add at needs under the situation of data link of first interface or second interface, send data link to the business software module and add request.The business software module also is used for: add request in response to data link, the data link that order bearing protocol module is added first interface or second interface.Wherein, the business software module communicates by sockets interface and bearing protocol module.
In sum, the present invention has unified two kinds of physics access waies on a Physical board.Can shield the influence of different physics accesses like this to upper layer application.So higher networking flexibility degree is provided, unified software version and hardware version, reduced the maintenance cost of software and hardware version.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the block diagram according to the data transmission system of the embodiment of the invention;
Fig. 2 is the flow chart of initial link setup during according to the device power of the embodiment of the invention;
Fig. 3 a and Fig. 3 b are the flow charts according to the unit deletion link configuration of the embodiment of the invention;
Fig. 4 a and Fig. 4 b are the flow charts that adds link configuration according to the equipment of the embodiment of the invention; And
Fig. 5 is the composition schematic diagram according to the main member variable of the net_if structure of the embodiment of the invention.
Embodiment
Purport of the present invention is, E1 and GE interface are provided on same Physical board simultaneously, and realizes the fusion of the ICP/IP protocol bunch of PPP/HDLC agreement and Ethernet on same Physical board.Wherein, the content of fusion mainly comprises: a) the unified socket interface function that unification is provided for the upper-layer service software module.B) the data structure unification of different agreement management is the data structure of net_if in the bearing protocol module, realizes two cover protocol stack state unified managements.C) bearing protocol module Route Selection mode is supported the route of configuration module according to the user's request special setting except the network address route of standard.
Must allow when wherein, creating link has this clear and definite link corresponding physical LI(link interface) information in the net_if structure.Only in this way, selection physical interface that can be correct in the time of could guaranteeing that this link carries out data transmit-receive.When deletion was being carried out the link of data communication, informing business carried out the switching of the transmission link of business datum immediately.When adding configuration link, allow business software module migration data with existing link to the link of new configuration.
Below with reference to accompanying drawing, describe the specific embodiment of the present invention in detail.
Fig. 1 is the block diagram according to the data transmission system of the embodiment of the invention.As shown in Figure 1, this data transmission system comprises first interface 102, second interface 104, data reception module 106 and bearing protocol module 108.Wherein, data reception module is used for receiving data from the outside by first interface and/or second interface, and the data that received are sent to the bearing protocol module, and wherein, the attribute information of the data that receive by first interface and second interface is different; The bearing protocol module is used for according to the attribute information of the data that received the data that received being carried out respective handling, the data that received are converted to the data of network interface data structure, and the data of network interface data structure are sent to the outside by first interface and/or second interface.
Wherein, data transmission system shown in Figure 1 also comprises: the business software module, be used for attribute information and/or the attribute information before its conversion and/or the Link State of first interface and second interface according to the data of network interface data structure, judgement be by first interface, second interface, or first interface and second interface are sent to the outside with the data of network data structure, and judged result are sent to the bearing protocol module; The data configuration module is used for removing under the situation of data link of first interface or second interface at needs, sends the data link removal request to the business software module.
Wherein, the business software module responds is in the data link removal request, the interface that order bearing protocol module will originally need be removed by data link send and/or data move to another interface and send and/or receive.Wherein, the data configuration module also is used for adding under the situation of data link of first interface or second interface at needs, sends data link to the business software module and adds request.The business software module also is used for adding request in response to data link, the data link that order bearing protocol module is added first interface or second interface.Wherein, the business software module communicates by sockets interface and bearing protocol module.
Wherein, data reception module also is used for receiving data from the network interface data structure of outside by first interface and/or second interface, and the data of network interface data structure are sent to the bearing protocol module, wherein, the attribute information of the data of the network interface data structure that receives by first interface and second interface is different; The bearing protocol module also is used for according to the attribute information of the data of network interface data structure it being carried out respective handling, the data of network interface data structure are converted to are adapted to pass through the data that first interface and/or second interface send, and the data after will changing by first interface and/or second interface are sent to the outside.
Wherein, the business software module also is used for according to the attribute information after the attribute information of the data of network interface data structure and/or its conversion and/or the Link State of first interface and second interface, judgement be by first interface, second interface, or first interface and second interface data after will changing are sent to the outside, and judged result are sent to the bearing protocol module.
Fig. 2 is the flow chart of initial link setup during according to the device power of the embodiment of the invention.As shown in Figure 2, the process of initial link setup may further comprise the steps during device power: read the link configuration table that powers on; According to the configuration of the link that powers on, the configuration information and the net_if structure of corresponding physical network interface are bound; Physical network configuration information and base station controller (BSC) according to net_if are set up the link that powers on.
Fig. 3 a and Fig. 3 b are the flow charts according to the unit deletion link configuration of the embodiment of the invention.Shown in Fig. 3 a and Fig. 3 b, unit deletion is using the process of link may further comprise the steps: data configuration module marks relevant link needs deletion, sends the deletion chain circuit message to the business software module; After the business software module is received the data link removal request, with the service flow transfer on the link of needs deletions to operable link; After the migration of business software module was finished, the request that sends was to the agreement carrier module; The agreement carrier module is finished the chain work of tearing open after receiving the deletion chain circuit message of business software module transmission.
Fig. 4 a and Fig. 4 b are the flow charts that adds link configuration according to the equipment of the embodiment of the invention.Shown in Fig. 4 a and Fig. 4 b, the process that equipment adds link may further comprise the steps: after the data configuration module is finished the data configuration of link interpolation, send message to the business software module.Whether after the business software module receives that data link increases message, checking has Business Stream to move; Service flow transfer sends link setup message so to the agreement carrier module if desired, after wait agreement carrier module returns the link setup success message, carries out service flow transfer; If need not service flow transfer, send link setup message so to the agreement carrier module, need not wait for the link setup success message of agreement carrier module; The establishment chain circuit message that the agreement carrier module then sends according to the business software module is finished link establishment, and is replied to business module link establishment success message.
The above is embodiments of the invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (14)
1. a data transmission system is characterized in that, comprises first interface, second interface, data reception module and bearing protocol module, wherein:
Described data reception module is used for receiving data from the outside by described first interface and/or described second interface, and described data are sent to described bearing protocol module, wherein, the attribute information of the data that receive by described first interface and described second interface is different;
Described bearing protocol module is used for according to the attribute information of described data described data being carried out respective handling, described data are converted to the data of network interface data structure, and the data of described network interface data structure are sent to the outside by described first interface and/or described second interface.
2. data transmission system according to claim 1 is characterized in that, also comprises:
The business software module, be used for attribute information and/or the attribute information before its conversion and/or the Link State of described first interface and described second interface according to the data of described network interface data structure, judgement be by described first interface, described second interface, or described first interface and described second interface are sent to the outside with the data of described network data structure, and judged result are sent to described bearing protocol module.
3. data transmission system according to claim 2 is characterized in that, also comprises:
The data configuration module is used for removing under the situation of data link of described first interface or described second interface at needs, sends the data link removal request to described business software module.
4. data transmission system according to claim 3 is characterized in that, described business software module also is used for:
In response to described data link removal request, the interface of ordering described bearing protocol module originally need remove by data link send and/or data move to another interface and send and/or receive.
5. data transmission system according to claim 4 is characterized in that, described data configuration module also is used for:
Add at needs under the situation of data link of described first interface or described second interface, send data link to described business software module and add request.
6. data transmission system according to claim 5 is characterized in that, described business software module also is used for:
Add request in response to described data link, order described bearing protocol module to add the data link of described first interface or described second interface.
7. according to each described data transmission system in the claim 1 to 6, it is characterized in that described business software module communicates by sockets interface and described bearing protocol module.
8. a data transmission system is characterized in that, comprises first interface, second interface, data reception module and bearing protocol module, wherein:
Described data reception module is used for receiving data from the network interface data structure of outside by described first interface and/or described second interface, and the data of described network interface data structure are sent to described bearing protocol module, wherein, the attribute information of the data of the described network interface data structure that receives by described first interface and described second interface is different;
Described bearing protocol module is used for according to the attribute information of the data of described network interface data structure the data of described network interface data structure being carried out respective handling, the data of described network interface data structure are converted to are adapted to pass through the data that described first interface and/or described second interface send, and be sent to the outside by described first interface and/or described second interface data after with described conversion.
9. data transmission system according to claim 8, it is characterized in that, also comprise: the business software module, be used for attribute information and/or the attribute information after its conversion and/or the Link State of described first interface and described second interface according to the data of described network interface data structure, judgement be by described first interface, described second interface, or described first interface and described second interface data after with described conversion are sent to the outside, and judged result are sent to described bearing protocol module.
10. data transmission system according to claim 9 is characterized in that, also comprises:
The data configuration module is used for removing under the situation of data link of described first interface or described second interface at needs, sends the data link removal request to described business software module.
11. data transmission system according to claim 10 is characterized in that, described business software module also is used for:
In response to described data link removal request, the data that the interface of ordering described bearing protocol module originally need be removed by data link sends and/or receives are moved to another interface and are sent and/or receive.
12. data transmission system according to claim 11 is characterized in that, described data configuration module also is used for:
Add at needs under the situation of data link of described first interface or described second interface, send data link to described business software module and add request.
13. data transmission system according to claim 12 is characterized in that, described business software module also is used for:
Add request in response to described data link, order described bearing protocol module to add the data link of described first interface or described second interface.
14. each described data transmission system in 13 is characterized in that described business software module communicates by sockets interface and described bearing protocol module according to Claim 8.
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| CN200810085417.7A CN101534290B (en) | 2008-03-14 | 2008-03-14 | Data transmission system |
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| CN200810085417.7A CN101534290B (en) | 2008-03-14 | 2008-03-14 | Data transmission system |
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| CN101534290B CN101534290B (en) | 2014-12-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112698641A (en) * | 2020-12-25 | 2021-04-23 | 潍柴动力股份有限公司 | ECU data transmission method and device, vehicle-mounted control terminal and storage medium |
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| CN1905558B (en) * | 2006-06-28 | 2010-06-30 | 烽火通信科技股份有限公司 | Individualized ethernet exchange plate and data exchanging method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112698641A (en) * | 2020-12-25 | 2021-04-23 | 潍柴动力股份有限公司 | ECU data transmission method and device, vehicle-mounted control terminal and storage medium |
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