CN101018187A - A multi-link transfer device for supporting Ethernet business access - Google Patents
A multi-link transfer device for supporting Ethernet business access Download PDFInfo
- Publication number
- CN101018187A CN101018187A CNA2006100028676A CN200610002867A CN101018187A CN 101018187 A CN101018187 A CN 101018187A CN A2006100028676 A CNA2006100028676 A CN A2006100028676A CN 200610002867 A CN200610002867 A CN 200610002867A CN 101018187 A CN101018187 A CN 101018187A
- Authority
- CN
- China
- Prior art keywords
- ethernet
- interface
- layers
- sdh
- exchange chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The disclosed multilink transmission device supporting the access of Ethernet business comprises: a SDH framing device connected with a control module, and an Ethernet dual-layer exchange chip with a wire side and system side interfaces that connects with the framing device and control module and sends Ethernet business data from wire side interface to corresponding system side interface as their objective then to the framing device. This invention saves exchange device and reduces cost.
Description
Technical field
The present invention relates to communication field, especially relate to a kind of multi-link transfer device of supporting that Ethernet service inserts.
Background technology
In transmitting net, before the access transmission equipment of the Ethernet transmission Ethernet service, need to use SDH (synchronous digital is multiplexing) framing device that Ethernet service is fitted to time slot in some way in the particle transmission link.At present, many multi-service transport platforms based on SDH (MSTP) equipment all is after the Ethernet service from same ethernet port is encapsulated, do in the as a whole time slot that is mapped to same or several SDH, therefore the Ethernet service of same port can only arrive same destination, thereby can not support the multidirectional of Ethernet service, thereby need outside the transmission net, handle once more Ethernet service, can be sent to its destination address.Therefore, Ethernet service had both needed ethernet switching device (router or switch) in transmission course, need the SDH equipment with Ethernet interface again, this transmission network not only causes the waste of resource to a certain extent, and makes the cost of input higher.
Summary of the invention
The technical issues that need to address of the present invention provide a kind of multi-link transfer device of supporting that Ethernet service inserts, adopt the present invention, Ethernet service signal map that can each destination, road is different is in the different links of SDH, thereby save needed ethernet switching device in the Ethernet service transmission, input cost is reduced.
In order to solve the problems of the technologies described above, the invention provides a kind of multi-link transfer device of supporting that Ethernet service inserts, comprise SDH framer and control module, the SDH framer is connected with control module, it is characterized in that: it also comprises the two layers of exchange chip of Ethernet with line side interface and system-side interface, described control module, the SDH framer is connected with two layers of exchange chip of Ethernet respectively, two layers of exchange chip of this Ethernet can be sent to corresponding system-side interface according to separately corresponding destination by the Ethernet service data of line side interface input, are forwarded to the SDH framer then.
Further, the present invention also has following characteristics: two layers of exchange chip of described Ethernet can be selected corresponding system side static configuration interface to the input Ethernet service data of line side interface according to destination separately according to the control command from control module.
Further, the present invention also has following characteristics: two layers of exchange chip of described Ethernet can be selected corresponding system-side interface to the input Ethernet service data of line side interface according to destination separately according to the result of address learning.
Further, the present invention also has following characteristics: the line side interface number of two layers of exchange chip of described Ethernet is less than or equal to the system-side interface number.
Further, the present invention also has following characteristics: two layers of exchange chip of described Ethernet can be according to the control command from control module, the priority of the Ethernet service data of same destination is gone in setting from different line sides interface, and the service traffics type and the flow size of adding up each line side interface, and return statistics to control module; Control module is according to the statistics and the network condition that receive, the cascade pattern of distributing corresponding link number and respective links to the SDH framer, if the cascade pattern is set to the Virtual Concatenation pattern, control unit can also carry out the bandwidth that the link capacity adjustment distributes according to the changes in flow rate situation.
Further, the present invention also has following characteristics: described SDH framer is made up of the control of Ethernet medium access and encapsulation unit and SDH map unit.
Further, the present invention also has following characteristics: this equipment also comprises the Ethernet interface unit that is connected with the line side interface of two layers of exchange chip of Ethernet, the ethernet signal that this Ethernet interface unit can be used for receiving carries out data, clock recovery, frame demarcation, encoding and decoding and negotiation automatically.
Further, the present invention also has following characteristics: this equipment also comprises the two-forty Ethernet interface that is connected with two layers of exchange chip of Ethernet, and this two-forty Ethernet interface includes gigabit ethernet interface and ten thousand mbit ethernet interfaces.
Further, the present invention also has following characteristics: this equipment also comprises backplane interface unit and the optical module/electric module interface unit that is connected with the SDH framer, described backplane interface unit can be used for realizing that masterslave switchover and bit cut apart, and described optical module/electric module interface unit is used to realize opto-electronic conversion and forward error correction.
Further, the present invention also has following characteristics: this equipment also comprises the memory cell that is connected with the SDH framer, and this memory cell can be used for packet or SDH bag are carried out buffer memory.
Compared with prior art, the present invention has the following advantages:
A, Ethernet of the present invention two floor exchange chip can be mapped in the different links of SDH according to the difference of the destination address of each road Ethernet service data, it is the ability that each road Ethernet service signal takies a plurality of time slots respectively or simultaneously, so just can save needed ethernet switching device in the Ethernet service transmission, make the network integration, oversimplify, and then save input cost;
B, owing to two layers of exchange chip of the Ethernet among the present invention can be provided with the priority of going to the Ethernet service data of same destination from different line sides interface, therefore can when line fault or offered load are overweight, guarantee the high performance of services of priority;
C, because two layers of exchange chip of Ethernet service traffics type and the flow size that can add up each line side interface among the present invention, and report to control module; And control module is carried out the link capacity adjustment according to the changes in flow rate situation, so the present invention has link capacity and adjusts function automatically.
Description of drawings
Fig. 1 is a basic structure schematic diagram of the present invention;
Fig. 2 is the schematic diagram according to first kind of embodiment of the present invention;
Fig. 3 is the schematic diagram according to second kind of embodiment of the present invention;
Fig. 4 is the schematic diagram according to the third embodiment of the present invention;
Fig. 5 is the schematic diagram that utilizes the present invention's machine use in return.
Embodiment
In order to understand the present invention in depth, the present invention is described in detail below in conjunction with drawings and the specific embodiments.
As shown in Figure 1, the present invention is mainly by two layers of exchange chip 1 of Ethernet, SDH framer 2 and control module 3 are formed, two layers of exchange chip 1 of Ethernet have m line side interface and n system-side interface, wherein m is less than or equal to n, two layers of exchange chip of Ethernet 1 are by line side interface input Ethernet service data, be connected with SDH framer 2 by system-side interface, mainly be the different Ethernet service data in destination with the input of line side interface, according to two, the related protocol of three layers of exchange such as the addresses forwarding table of address learning, IP route tables etc. are transmitted or are selected corresponding system side static configuration interface according to the control command of control module, Ethernet service from same line side interface can be sent to corresponding different system side interface according to destination separately, be forwarded to SDH framer 2 then, thereby make the Ethernet service of same line side interface input in transmitting net, can walk different links according to the destination difference, for example the P1 shown in Fig. 1 represents from the data of line side interface input, provide complete SDH frame signal through behind this equipment, at different time slot i, the last transmission of j, and time slot i, the data of j transmission reach different destinations respectively.
As shown in Figure 2, according to first kind of embodiment of the present invention, a kind of multi-link transfer device of Ethernet service access of supporting is except comprising two layers of exchange chip 1 of Ethernet, outside SDH framer 2 and the control module 3, also comprise Ethernet interface unit 4, memory cell 5, backplane interface unit 6, optical module/electric module interface unit 7 and two-forty Ethernet interface 8.
The line side interface of the two layers of exchange chip 1 in Ethernet interface unit 4 and Ethernet is connected, and the ethernet signal that is used for receiving carries out data, clock recovery, frame demarcation, encoding and decoding and negotiation automatically, and its operation meets IEEE 802.3 standard-requireds.
Optical module/electric module interface unit 7 is connected with SDH framer 2, is used to realize opto-electronic conversion and forward error correction.
Two layers of exchange chip 1 of two-forty Ethernet interface 8 and Ethernet are connected, this two-forty Ethernet interface 8 mainly is to need to adopt when in return machine uses at this equipment, be used for the multi-path low speed Ethernet service is converged to Ethernet service at a high speed, include gigabit ethernet interface and ten thousand mbit ethernet interfaces.
A kind of multi-link transfer device external interface of Ethernet service of supporting shown in Figure 2 has Ethernet interface, Wide Area Network interface, two-forty Ethernet interface and communication port etc.Wherein, Ethernet interface provides the Ethernet service access function, can be a plurality of independently Ethernet interfaces, according to actual needs and the scale of ASIC determine; Wide Area Network interface can or be sent to the SDH business interface of cross unit for optical interface, the electrical interface of SDH by backplane interface; It is the ability of Fast Ethernet that the Fast Ethernet interface provides a plurality of low speed Ethernet-Aggregation; And communication port mainly for webmaster or equipment and transmission such as cross unit mutually related control information use.
The present invention supports the multi-link transfer device that Ethernet service inserts, can adopt the embodiment different with Fig. 5 according to actual needs as Fig. 3, Fig. 4, the function that each parts is realized is as describing at Fig. 2, compare with Fig. 2, second kind of embodiment according to the present invention shown in Figure 3 do not adopt two-forty Ethernet interface and optical module/electric module interface unit; Second kind of embodiment of the present invention shown in Figure 4 do not adopt two-forty Ethernet interface and backplane interface unit; Shown in Figure 5 is the schematic diagram that utilizes the present invention's machine use in return, has only adopted two layers of exchange chip 1 of Ethernet, control module 3, Ethernet interface unit 4 and two-forty Ethernet interface 8.Can see from Fig. 3, Fig. 4 and Fig. 5, according to the embodiment of the present invention can multiple function is together integrated, be applicable to various occasion.
Enter the direction that this equipment sends out to the Ethernet service data from Wide Area Network interface at the Ethernet service data by Ethernet interface unit 4, the course of work of the present invention is described in detail.
At first, recover, after decoding, frame delimit, be sent in two layers of exchange chip 1 of Ethernet by the 4 pairs of Ethernet service data in Ethernet interface unit.
Then, two layers of exchange chip 1 of Ethernet can be according to the control command of control module 3, select corresponding system side static configuration interface according to the destination of Ethernet service data, also can be according to the result of address learning, select corresponding system-side interface according to the destination of Ethernet service data, with the Ethernet service data forwarding to SDH framer 2.In general, when practical application, the business from the line side can be forwarded to the line side interface, but be forwarded to system-side interface.According to actual needs, in two layers of exchange chip 1 of Ethernet, the business of line side interface can be forwarded to two-forty Ethernet interface 8, thereby realize being similar to the function of switch in the data network.In addition, two layers of exchange chip 1 of Ethernet can be according to the control command from control module 4, the priority of the Ethernet service data of same destination is gone in setting from different line sides interface, thereby can guarantee the high performance of services of priority when line fault or offered load are overweight.Simultaneously, two layers of exchange chip 1 of Ethernet can also be added up the service traffics type of each line side interface, flow size etc., and return statistics to control module 3, this statistics can be used as one of foundation of charge, also can send PAUSE frame (pause frame), thereby guarantee that the high business of priority obtains better service quality the port of overload.
Then, because the Ethernet service data from two layers of exchange chip 1 of Ethernet have sudden, can not directly be sent to the SDH map unit, need just can be mapped in the SDH frame structure after its statistic multiplexing, the encapsulation through control of Ethernet medium access and encapsulation unit.Packaged type relatively more commonly used at present has PPP, LAPS and GFP, and specifically selecting that a kind of encapsulation format is to be controlled by 3 pairs of Ethernet medium access controls of control module and encapsulation unit, can map in the SDH frame through the Ethernet service after the encapsulation.In the SDH map unit, control module 3 is according to the result of traffic volume measurement and the capacity situation of current network, determine to distribute to number of links from the Ethernet service data of the system-side interface of two layers of exchange chip 1 of Ethernet, and the cascade pattern of these links.If Virtual Concatenation pattern, then control module 3 can also be carried out the bandwidth that the link capacity adjustment distributes according to the changes in flow rate situation that two layers of exchange chip 1 of Ethernet report, this capacity adjustment modes can't harm business, and the G.7042 standard-required of ITU-T is satisfied in its concrete operations.When the link total capacity of distributing less than from the system side Ethernet service amount of two layers of exchange chip 1 of Ethernet the time, the SDH map unit can abandon unnecessary Ethernet service data automatically.Therefore, the business high in order to ensure priority obtains better service quality, need be to the enough bandwidth of the high traffic assignments of priority.
At last, Ethernet service data after 2 mappings of SDH framer, can be sent to wide area network by optical module/electric module interface unit 7 of SDH, perhaps utilize backplane interface unit 6 to enter into the SDH cross unit by backboard, after intersecting, be resent in the wide area network, thereby finished the function that transmits net loaded Ethernet.And, the Ethernet service data of same line side interface input can be sent to different destinations by different transmission links, realized the function of Ethernet multilink transmission, and saved required switching equipment, the system that makes has compact structure more, cost performance is improved, and realizes data network and the fusion that transmits net.
In addition, at the another one direction, promptly the direction from SDH to the Ethernet interface is described the another kind of course of work of the present invention: after the present invention supports that the multi-link transfer device of Ethernet service access receives the SDH frame, if adopt the Virtual Concatenation pattern, the SDH frame that then needs to receive recovers, after deciding frame, with its business in memory cell 5 (as SDRAM, BUFFER) carry out buffer memory in, according to LCAS agreement and virtual concatenation protocol data are handled to recover the SDH payload, after the GFP/PPP/LAPS decapsulation, recover Ethernet service, by two layers of exchange chip 1 of Ethernet the Ethernet service data are sent to corresponding target ground at last.
Claims (10)
1, a kind of multi-link transfer device of supporting that Ethernet service inserts, comprise SDH framer and control module, the SDH framer is connected with control module, it is characterized in that: it also comprises the two layers of exchange chip of Ethernet with line side interface and system-side interface, described control module, SDH framer are connected with two layers of exchange chip of Ethernet respectively, two layers of exchange chip of this Ethernet can be sent to corresponding system-side interface according to separately corresponding destination by the Ethernet service data of line side interface input, are forwarded to the SDH framer then.
2, a kind of multi-link transfer device of supporting that Ethernet service inserts according to claim 1, it is characterized in that: two layers of exchange chip of described Ethernet can be selected corresponding system side static configuration interface to the input Ethernet service data of line side interface according to destination separately according to the control command from control module.
3, a kind of multi-link transfer device of supporting that Ethernet service inserts according to claim 1, it is characterized in that: two layers of exchange chip of described Ethernet can be selected corresponding system-side interface to the input Ethernet service data of line side interface according to destination separately according to the result of address learning.
4, according to claim 2 or 3 described a kind of multi-link transfer devices of supporting that Ethernet service inserts, it is characterized in that: the line side interface number of two layers of exchange chip of described Ethernet is less than or equal to the system-side interface number.
5, a kind of multi-link transfer device of supporting that Ethernet service inserts according to claim 2, it is characterized in that: two layers of exchange chip of described Ethernet can be according to the control command from control module, the priority of the Ethernet service data of same destination is gone in setting from different line sides interface, and the service traffics type and the flow size of adding up each line side interface, and return statistics to control module; Control module is according to the statistics and the network condition that receive, the cascade pattern of distributing corresponding link number and respective links to the SDH framer, if the cascade pattern is set to the Virtual Concatenation pattern, control unit can also carry out the bandwidth that the link capacity adjustment distributes according to the changes in flow rate situation.
6, a kind of multi-link transfer device of supporting that Ethernet service inserts according to claim 5 is characterized in that: described SDH framer is made up of the control of Ethernet medium access and encapsulation unit and SDH map unit.
7, a kind of multi-link transfer device of supporting that Ethernet service inserts according to claim 6, it is characterized in that: this equipment also comprises the Ethernet interface unit that is connected with the line side interface of two layers of exchange chip of Ethernet, the ethernet signal that this Ethernet interface unit can be used for receiving carries out data, clock recovery, frame demarcation, encoding and decoding and negotiation automatically.
8, a kind of multi-link transfer device of supporting that Ethernet service inserts according to claim 7, it is characterized in that: this equipment also comprises the two-forty Ethernet interface that is connected with two layers of exchange chip of Ethernet, and this two-forty Ethernet interface includes gigabit ethernet interface and ten thousand mbit ethernet interfaces.
9, a kind of multi-link transfer device of supporting that Ethernet service inserts according to claim 8, it is characterized in that: this equipment also comprises backplane interface unit and the optical module/electric module interface unit that is connected with the SDH framer, described backplane interface unit can be used for realizing that masterslave switchover and bit cut apart, and described optical module/electric module interface unit is used to realize opto-electronic conversion and forward error correction.
10, a kind of multi-link transfer device of supporting that Ethernet service inserts according to claim 9, it is characterized in that: this equipment also comprises the memory cell that is connected with the SDH framer, this memory cell can be used for packet or SDH bag are carried out buffer memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100028676A CN101018187B (en) | 2006-02-08 | 2006-02-08 | A multi-link transfer device for supporting Ethernet business access |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100028676A CN101018187B (en) | 2006-02-08 | 2006-02-08 | A multi-link transfer device for supporting Ethernet business access |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101018187A true CN101018187A (en) | 2007-08-15 |
| CN101018187B CN101018187B (en) | 2010-09-01 |
Family
ID=38726950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100028676A Expired - Fee Related CN101018187B (en) | 2006-02-08 | 2006-02-08 | A multi-link transfer device for supporting Ethernet business access |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101018187B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010145076A1 (en) * | 2009-06-18 | 2010-12-23 | 深圳粤和通科技有限公司 | Sonet/sdh interface device |
| CN105871466A (en) * | 2016-05-25 | 2016-08-17 | 全球能源互联网研究院 | Wide-area stable communication devices and method having intelligent identification function |
| CN109257223A (en) * | 2018-09-29 | 2019-01-22 | 南京泰通科技股份有限公司 | High reliability real-time synchronization data processing equipment |
| CN110460455A (en) * | 2018-05-07 | 2019-11-15 | 华为技术有限公司 | A kind of communication control method, ethernet device and controller |
-
2006
- 2006-02-08 CN CN2006100028676A patent/CN101018187B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010145076A1 (en) * | 2009-06-18 | 2010-12-23 | 深圳粤和通科技有限公司 | Sonet/sdh interface device |
| CN105871466A (en) * | 2016-05-25 | 2016-08-17 | 全球能源互联网研究院 | Wide-area stable communication devices and method having intelligent identification function |
| CN105871466B (en) * | 2016-05-25 | 2021-10-29 | 全球能源互联网研究院 | Wide-area stable communication device and method with intelligent identification function |
| CN110460455A (en) * | 2018-05-07 | 2019-11-15 | 华为技术有限公司 | A kind of communication control method, ethernet device and controller |
| CN109257223A (en) * | 2018-09-29 | 2019-01-22 | 南京泰通科技股份有限公司 | High reliability real-time synchronization data processing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101018187B (en) | 2010-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101605091B (en) | Method, device and network system for multi-port load sharing | |
| CN100388700C (en) | Method for transmitting digital business on synchronous digital network | |
| RU2461140C2 (en) | METHOD OF EXTENDING PHYSICAL REACH OF InfiniBand NETWORK | |
| US20070280223A1 (en) | Hybrid data switching for efficient packet processing | |
| CN1934560A (en) | Method of sending information through a tree and ring topology of a network system | |
| CN103765840B (en) | Network element for switching time division multiplex signals | |
| JP2001503949A (en) | Transmission architecture and network elements | |
| CN100428732C (en) | Integrated cross switch unit and service scheduling method thereof | |
| CN102316036A (en) | Method for realizing packet transport network (PTN) function on optical transport network (OTN) platform and apparatus thereof | |
| CN101754063A (en) | Network elements for switching time division multiplex signals | |
| CN101018187B (en) | A multi-link transfer device for supporting Ethernet business access | |
| US7535895B2 (en) | Selectively switching data between link interfaces and processing engines in a network switch | |
| CN102315892B (en) | Data forwarding device, cable fastener plates and data forwarding method | |
| CN101883117A (en) | Interface business centralized processing method and system thereof | |
| JP4017985B2 (en) | 3rd generation cellular network | |
| CN103457851B (en) | PTN (packet transfer network) organization architecture and service bearing method thereof | |
| CN103973710A (en) | Multi-protocol synchronous digital system conversion device | |
| CN101860772B (en) | Method and device for crossing time slot | |
| CN113438182A (en) | Flow control system and flow control method based on credit | |
| CN101170711A (en) | Information transmission device and method for automatically switching optical network SCN and MCN | |
| CN100544303C (en) | The distribution method of VLAN ID | |
| Sheeshia et al. | Performance comparison of OBS and SONET in metropolitan ring networks | |
| CN116762323A (en) | Switching system, switching network and switching node | |
| WO2004107620A1 (en) | Network switch for link interfaces and processing engines | |
| EP1274191B1 (en) | Method and apparatus for obtaining a scalable and managed bandwidth for connections between asynchronous level and synchronous hierarchy level in a telecommunication network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20150208 |
|
| EXPY | Termination of patent right or utility model |