CN201608732U - Ethernet transmission device crossing heterogeneous networks - Google Patents
Ethernet transmission device crossing heterogeneous networks Download PDFInfo
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- CN201608732U CN201608732U CN2010201424944U CN201020142494U CN201608732U CN 201608732 U CN201608732 U CN 201608732U CN 2010201424944 U CN2010201424944 U CN 2010201424944U CN 201020142494 U CN201020142494 U CN 201020142494U CN 201608732 U CN201608732 U CN 201608732U
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Abstract
The utility model provides an Ethernet transmission device crossing heterogeneous networks, which at least comprises a network management component, and a receiving component and a transmitting component which are connected with the network management component. The transmitting component at least includes an Ethernet transceiver component, a general frame encapsulating component, a multi-frame generating component, a transmitting writing component, a buffer storage component, a transmitting reading component, a container of transmitting direction and a group transmitting component which are sequentially connected. The receiving component at least includes a group receiving component, a receiving container, a multi-frame synchronizer of data capable of synchronously containing vacant positions, a receiving writing component, a buffer storage component, a receiving reading component, a general frame encapsulating component, and an Ethernet transceiver component which are sequentially connected. The Ethernet transmission device is capable of avoiding E1 regeneration while realizing communication of EOPDH and EOS, accordingly avoids delay caused by the E1 regeneration, and can guarantee forward compatibility with well-known EOPDH devices and EOS devices.
Description
Technical field
The utility model relates to a kind of Ethernet transmission equipment, is specifically related to a kind of Ethernet transmission equipment of striding heterogeneous network, belongs to the computer communication field.
Background technology
Current domestic and international telecommunications network all is to be made of PDH and SDH/SONET basically.When Ethernet during transparent transmission, is called EOPDH in PDH net, adopt the EOPDH technology; In Ethernet is netted, during transparent transmission, be called EOS in SDH/SONET, adopt the EOS technology.When Ethernet in the heterogeneous network that constitutes by PDH and SDH/SONET during transparent transmission, known technology is that segmentation is implemented, and uses EOPDH and EOS technology (as shown in Figure 1) respectively, in the middle of the whole process, must regeneration Ethernet or regeneration E1 (recovery of E1 clock and level and smooth, the regeneration of E1 data).Regenerative process had both increased extra time delay, had wasted extra resource again, had also increased extra complexity.Simultaneously, also have another problem, according to the EOPDH chip of EOPDH art designs and equipment can not be directly with according to the EOS chip of EOS art designs and equipment to leading to.
Summary of the invention
For solving problems of the prior art, the utility model provides a kind of Ethernet transmission equipment of striding heterogeneous network, abbreviates EcHN as.This equipment realize EOPDH and EOS to avoiding E1 regeneration in logical, thereby avoid the time delay that causes because of E1 regeneration, and can guarantee and the forward compatibility of known EOPDH and EOS equipment.
The technical scheme that its technical problem that solves the utility model adopts is as follows: this strides the Ethernet transmission equipment of heterogeneous network, at least comprise network management unit, and the realization transmission network data that are connected with network management unit are to the receiving-member and the transmit block of realization user Ethernet data to the transfer of transmission network of the transfer of user side Ethernet, transmit block comprises the transceiver unit of the Ethernet that connects successively at least, the interchangeable frame package parts, the multi-frame production part, be sent to read-in unit, the buffer-stored parts, be sent to read-out element, the container of sending direction and group road transmit block, receiving-member comprise the group road receiving-member that connects successively at least, receiving vessel, the multiframe synchronizer that can contain the data of the position of having vacant position synchronously, receipts are to read-in unit, the buffer-stored parts, receipts are to read-out element, the transceiver unit of interchangeable frame package parts and Ethernet.
The container of described sending direction comprises accurate synchronization map processing module and transmission mode selection module.
The container of described receive direction comprises EOPDH and EOS pattern matching processing module.
The described multiframe synchronizer that can contain the data of the position of having vacant position synchronously comprises vacancy position adaptation module, multi-frame synchronization module and frame time delay balance module, in order to the multi-frame synchronizing function that realizes containing the data of vacancy position and contain the clock of vacancy position.
Transmission container in the Ethernet transmission equipment of striding heterogeneous network that the utility model provides not only is used for EOPDH but also be used for EOS, and seldom accounts for resource; The data format that receiving vessel identification receives, make reception to Container Format be adapted to automatically to send to Container Format (also can by network management configuration), same receiving vessel not only is used for EOPDH but also be used for EOS, and seldom accounts for resource.The arrangement that sends container and receiving vessel be to sending the adaptive capacity of container, and the data multiframe synchronizer is to containing the data synchronization ability of the position of having vacant position, finished very quickly and easily EOPDH and EOS directly to logical, realized that the Ethernet in the heterogeneous network transmits; Simultaneously, saved E1 regeneration link, thus the time delay of having avoided E1 regeneration to cause; After saving E1 regeneration, reduced process, the circuit of being more convenient for is integrated.
Description of drawings
The known Ethernet transmission plan of striding heterogeneous network of Fig. 1;
Fig. 2 structured flowchart of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Shown in Figure 2, the Ethernet transmission equipment of striding heterogeneous network that the utility model provides, abbreviate EcHN as, this equipment comprise network management unit at least and the realization transmission network data that are connected with network management unit to the receiving-member of the transfer of user side Ethernet with realize the transmit block of user's Ethernet data to the transfer of transmission network.
Transmit block comprise at least successively the Ethernet that connects transceiver unit Ethernet, interchangeable frame package parts GFP, multi-frame production part Farg, be sent to read-in unit, buffer-stored parts, be sent to the container and the group road transmit block of read-out element, sending direction, the container of sending direction comprises accurate synchronization map processing module and transmission mode selection module.The Ethernet transceiver unit is provided with user interface, and external and user's Ethernet joins; The Ethernet transceiver unit is according to the IEEE802.3 standard, transmitting-receiving and filter user Ethernet data, and to its enforcement flow control, Ethernet transceiver unit and interchangeable frame package parts GFP join, data after Ethernet transceiver unit Ethernet handles are sent to interchangeable frame package parts GFP, and interchangeable frame package parts GFP is according to G.7041 standard implementation gfp frame processing of ITU-T.
Interchangeable frame package parts GFP and multi-frame production part Farg join.The Farg parts form the E1 multi-frame and according to ITU-T G.7042 the standard source end of being LCAS handle.The multi-frame production part be sent to read-in unit Wr_T and join, be sent to read-in unit Wr_T with buffer-stored part B UF joins, the E1 multi-frame data after the LCAS processing write buffer-stored part B UF through being sent to read-in unit Wr_T.Buffer-stored part B UF parts be sent to read-out element RdT and join, the container A TVC12_Xv that is sent to read-out element Rd T and sending direction joins, the E1 multi-frame data among the buffer-stored part B UF are read through being sent to read-out element Rd T, enter ATVC12_Xv.The container of sending direction includes accurate synchronization map processing module and transmission mode selection module.
In the face of different transmission networks, send the transmission mode selection module that container A TVC12_Xv includes, EOS or EOPDH operation are implemented in decision.If what face is the SDH net, then be EOS and handle, according to ITU-T G.707 with standard G.7042, be mapped to VC12, K4 and the N2 byte of VC12 is set, while also transmitting user data in 9 related words of accurate synchronization map.If what face is the PDH net, then be EOPDH and handle, send container A TVC12_Xv according to ITU-T G.704 frame and the multi-frame structure of standard implementation E1, no VC12 processing.If what face is the heterogeneous network that PDH and SDH form, K4 and the N2 byte of VC12 then are set, simultaneously, implement the accurate synchronization map of E1 VC12 by the accurate synchronization map processing module that includes, in 9 related words of accurate synchronization map, do not load user data, but transmission justification information.The container A TVC12_Xv of sending direction and group road transmit block SPT join, and send to PDH or SDH transmission network after the data of parts SPT tandem ATVC12_Xv.
Receiving-member comprise at least successively the group road receiving-member that connects, receive direction container, can contain synchronously the data of the position of having vacant position multiframe synchronizer, receive to read-in unit, buffer-stored parts, receive transceiver unit to read-out element, interchangeable frame package parts and Ethernet.Wherein the buffer-stored part B UF of receiving-member, interchangeable frame package parts GFP, the transceiver unit Ethernet three of Ethernet and the corresponding function module of transmit block are formed corresponding same parts.The container of receive direction comprises EOPDH and EOS pattern matching processing module.
Data by the SPT parts of the Ethernet transmission equipment EcHN that strides heterogeneous network send out through transmission, arrive the other side's EcHN equipment, enter crowd road receiving-member SPR.The container A RVC12_Xv of group road receiving-member SPR and receive direction joins.The data format that receiving vessel ARVC12_Xv identification receives, or according to the configuration-direct of network management unit, the EOPDH that is included by receiving vessel implements to operate accordingly with EOS pattern matching processing module.If what receive is the EOPDH data, then from the E1 structure, take out data; If what receive is the EOS data, then from the C12 structure, take out data (comprising the data that contain in 9 related words of accurate synchronization map).If what receive is the heterogeneous network data, then in C12, deduct 9 justification associated byte of accurate synchronization map.
The container A RVC12_Xv of receive direction and the multiframe synchronizer VCFaln of the data that can contain the position of having vacant position synchronously join.Existing known multiframe synchronizer can not realize containing the multi-frame synchronizing function of data of position of having vacant position, and it must have the neat data of smoothed clock and no vacancy position, so it can have E1 regeneration, it can have the recovery of E1 clock with smoothly.And this practical multiframe synchronizer VCFaln comprises vacancy position adaptation module, multi-frame synchronization module and frame time delay balance module, multi-frame synchronization module wherein directly uses not level and smooth as yet containing the have vacant position clock and the data of position under the control of vacancy position adaptation module, in not level and smooth as yet clock that contains the position of having vacant position and data, realize that multi-frame is synchronous, therefore, need not E1 regeneration.Down, compensate because circuit transmits the delay inequality between each subchannel (E1 or VC12) that is caused, and then finish the place end processing of LCAS by the frame time delay balance module that includes.
The container A RVC12_Xv of data multiframe synchronizer VCFaln and receive direction joins to read-in unit Wr_R with receipts, receipts are joined to read-in unit and buffer-stored part B UF, and parts Wr_R writes buffer-stored part B UF in regular turn according to the data that the Synchronous Processing result of VCFaln parts handles ARVC12_Xv well.
E1 regenerator E1 Reg and the E1 multiframe synchronizer E1Faln of the Ethernet transmission equipment of striding heterogeneous network that the utility model provides in need not known equipment Fig. 1.Buffer-stored part B UF data directly enter interchangeable frame package parts GFP.Part B UF joins to read-out element Rd R with receipts, and parts R d R and interchangeable frame package parts GFP join, and the BUF data enter interchangeable frame package parts GFP by parts R d R.Parts GFP implements the frame of separating of gfp frame and handles.The transceiver unit Ethernet of parts GFP and Ethernet joins, and separates the data after frame is handled, and handles through parts Ethernet, reverts to Ethernet data, finally is transmitted to the purpose user.
Network management unit NM bus mode, respectively with EcHN equipment in each parts join, parts NM implements network and network element configuration, implements status monitoring.
The following term of Chu Xianing above is derived from G.707 standard of international telecommunication connection ITU-T:
The synchronous digital hierarchy that SDH/SONET:SDH China adopts
The synchronous digital hierarchy that the SONET U.S. adopts, or claim Synchronous Optical Network
A kind of Lower Order Virtual Container among the VC12:SDH;
A kind of low order container among the C12:SDH;
A kind of path overhead byte among the K4:SDH;
A kind of path overhead byte among the N2:SDH;
LCAS: refer to the link capacity adjusting, be derived from G.7042 standard of ITU-T.
EOS refers to that Ethernet transmits in SDH;
EOPDH refers to that Ethernet transmits in PDH;
E1 refers to the basic transmission channel of Europe and China;
E1Xv is the transceiver of X E1 passage.
Claims (4)
1. Ethernet transmission equipment of striding heterogeneous network, at least comprise network management unit, and the realization transmission network data that are connected with network management unit are to the receiving-member and the transmit block of realization user Ethernet data to the transfer of transmission network of the transfer of user side Ethernet, it is characterized in that: transmit block comprises the transceiver unit of the Ethernet that connects successively at least, the interchangeable frame package parts, the multi-frame production part, be sent to read-in unit, the buffer-stored parts, be sent to read-out element, the container of sending direction and group road transmit block, receiving-member comprise the group road receiving-member that connects successively at least, receiving vessel, the multiframe synchronizer that can contain the data of the position of having vacant position synchronously, receipts are to read-in unit, the buffer-stored parts, receipts are to read-out element, the transceiver unit of interchangeable frame package parts and Ethernet.
2. Ethernet transmission equipment of striding heterogeneous network according to claim 1 is characterized in that: the container of sending direction comprises accurate synchronization map processing module and transmission mode selection module.
3. Ethernet transmission equipment of striding heterogeneous network according to claim 1 is characterized in that: the container of receive direction comprises EOPDH and EOS pattern matching processing module.
4. Ethernet transmission equipment of striding heterogeneous network according to claim 1, it is characterized in that: the data multiframe synchronizer that can contain the position of having vacant position synchronously comprises vacancy position adaptation module, multi-frame synchronization module and frame time delay balance module, in order to the multi-frame synchronizing function that realizes containing the data of vacancy position and contain the clock of vacancy position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201424944U CN201608732U (en) | 2010-03-25 | 2010-03-25 | Ethernet transmission device crossing heterogeneous networks |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201424944U CN201608732U (en) | 2010-03-25 | 2010-03-25 | Ethernet transmission device crossing heterogeneous networks |
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| CN2010201424944U Expired - Fee Related CN201608732U (en) | 2010-03-25 | 2010-03-25 | Ethernet transmission device crossing heterogeneous networks |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103763057A (en) * | 2013-12-27 | 2014-04-30 | 北京格林伟迪科技有限公司 | Method and device for conversion between EOP and EOS |
| EP3402085A1 (en) * | 2017-05-11 | 2018-11-14 | Intel IP Corporation | Techniques for compensating time delay difference in beamformed transmission |
-
2010
- 2010-03-25 CN CN2010201424944U patent/CN201608732U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103763057A (en) * | 2013-12-27 | 2014-04-30 | 北京格林伟迪科技有限公司 | Method and device for conversion between EOP and EOS |
| CN103763057B (en) * | 2013-12-27 | 2017-02-08 | 北京格林伟迪科技股份有限公司 | Method and device for conversion between EOP and EOS |
| EP3402085A1 (en) * | 2017-05-11 | 2018-11-14 | Intel IP Corporation | Techniques for compensating time delay difference in beamformed transmission |
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| C14 | Grant of patent or utility model | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 332000 No. 1010 Anping Road, eco industrial park, Mount Lu District, Jiangxi, Jiujiang Patentee after: SHANXI SHANSHUI OPTOELECTRONIC TECHNOLOGY CO., LTD. Address before: 332000 No. 1010 Anping Road, eco industrial park, Mount Lu District, Jiangxi, Jiujiang Patentee before: Jiangxi Shanshui Optoelectronics Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101013 Termination date: 20170325 |
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| CF01 | Termination of patent right due to non-payment of annual fee |