CN1992571A - Muti-service separated SDH/SONET transmission equipment - Google Patents
Muti-service separated SDH/SONET transmission equipment Download PDFInfo
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- CN1992571A CN1992571A CNA200510137460XA CN200510137460A CN1992571A CN 1992571 A CN1992571 A CN 1992571A CN A200510137460X A CNA200510137460X A CN A200510137460XA CN 200510137460 A CN200510137460 A CN 200510137460A CN 1992571 A CN1992571 A CN 1992571A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 33
- 230000003287 optical effect Effects 0.000 claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 7
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- 239000013307 optical fiber Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 238000009432 framing Methods 0.000 claims description 2
- DWSYCUKCNSVBRA-UHFFFAOYSA-N 4-(5-methylsulfonyltetrazol-1-yl)phenol Chemical compound CS(=O)(=O)C1=NN=NN1C1=CC=C(C=C1)O DWSYCUKCNSVBRA-UHFFFAOYSA-N 0.000 abstract 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1611—Synchronous digital hierarchy [SDH] or SONET
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0028—Local loop
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0064—Admission Control
- H04J2203/0067—Resource management and allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0073—Services, e.g. multimedia, GOS, QOS
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- Time-Division Multiplex Systems (AREA)
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Abstract
This invention provides a multi-business separation SDH/SONET transmission equipment, which mainly consists of two parts, namely, the cross system and one or more multi-business subsystems; the said cross system completes the business cross deployment among the traditional SDH/SONET sub road access, optical access and multi-business subsystem, and the said multi-business subsystem completes user variety data business access, processing and transmission. Comparing the equipment of the invention with the existing SDH/SONET transmission equipment, the number of MSTP business veneer is no longer restricted by the rack, which expanding the SDH/SONET equipment uplink/downlink data business traffic. Meanwhile, it can directly connect the user terminal equipment with the SDH/SONET access device, not only simplifying the network structure, but also reducing the cost of operations.
Description
Technical field
The present invention relates to a kind of transmission equipment in the SDH/SONET network, relate in particular to SDH/SONET field MSTP (MSTP, Multi-Service Transport Platform) technology and traditional SDH/SONET technical point from a kind of transmission equipment.
Background technology
The transfer of data of conventional telecommunications business adopts stream mode to realize, and along with the Internet and broadband services proportion increase, transfer of data gradually adopts packet mode, i.e. packetizing.Under this trend, traditional SDH/SONET technology can't adapt to the demand of new business, but from application point, SDH/SONET transmission network fully can not discard tradition again.MSTP (Multi-ServiceTransport Platform) is one and can utilizes the conventional transmission net, can adapt to the technology of new business demand again.It realizes multiple access, processing and the transmission of TDM business, ATM business, Ethernet service simultaneously based on traditional SDH/SONET platform, and the multi-service node of united net management is provided.
The MSTP technology is as the expansion of SDH/SONET transmission equipment, is that the mode with the branch road functional module is embedded in the SDH/SONET transmission equipment at present.As shown in Figure 1, realize and being connected of terminal use, also need intermediate equipment (as Ethernet switch, DSLAM equipment etc.), increase network complexity, improve operation cost.Simultaneously, increase along with using constantly, embedded mode also is difficult to adapt to the dilatation demand.
Summary of the invention
The objective of the invention is to propose a kind of service separated SDH/SONET transmission equipment, problem to be solved is to overcome existing MSTP functional module to be embedded in shortcoming in the SDH/SONET transmission equipment, realizes that subscriber terminal equipment is unified with the transmission access device.And solved the Access Layer data service access bandwidth that exists in the prior art and be restricted the problem that is difficult to dilatation with MSTP.
A kind of service separated SDH of the present invention/SONET transmission equipment mainly is made up of two parts, i.e. cross system and one or more multi-service subsystem; Described cross system is finished the business intersection that traditional SDH/SONET branch road inserts, light path inserts and the multi-service subsystem inserts between the three and is allocated, and described multi-service subsystem is finished access, processing and the transmission of user's several data business.
Described cross system main functional modules has: administration module, time slot Cross module, clock module, optical interface module, PDH branch road module (optional), bridge module etc.Administration module is interconnected at other all modules, the time slot Cross module connects 2 optical interface modules, bridge module and PDH branch road module (optional) respectively, clock module connects time slot Cross module, optical interface module and PDH branch road module (optional) respectively, and bridge module is by optical fiber and the interconnection of multi-service subsystem.For the needs of service security, the time slot Cross module can be made up of primary and backup time slot Cross module again, has only a module at one time in work, and we claim that the module of working is the time slot Cross module of work; Clock module also can be made up of primary and backup clock module, also has only a module to work at one time, and we are referred to as the clock module of work.
Described administration module, time slot Cross module, optical interface module, clock module, PDH branch road module (optional) are integrated in the frame by backboard, and are interconnected at together by the backboard cabling.
Described administration module is mainly finished business configuration, equipment performance monitoring, the communication function in network management interface and the network between each system.Above-mentioned functions is the general utility functions of administration module in the traditional SDH system.In addition, in the present invention since the multi-service subsystem not with the interface of administration module, administration module is finished business configuration and performance monitoring to the multi-service subsystem then by the time slot Cross module of work.The method of administration module and time slot Cross module exchange message is a lot, such as utilizing HDLC agreement or SCC interface.
Described time slot Cross module also will transmit the configuration management information between administration module and the multi-service subsystem except the general utility functionss such as intersection allotment of finishing all directions business.The time slot Cross module will be from the configuration management information of administration module to the multi-service subsystem, be inserted in the D1～D12 byte in the DCC passage, these 12 bytes are arranged in the section overhead of STM-N/STS-N, and this STM-N/STS-N is the SDH signal relevant with the multi-service subsystem.Otherwise the time slot Cross module also will extract from the D1 in the STM-N/STS-N signal in the multi-service subsystem～D12 byte information, sends to administration module.
Described clock module is that time slot Cross module, 2 optical interface modules and PDH branch road module (optional) provide system clock.Described optical interface module is mainly finished light, electricity and electricity, light conversion, and multiplexing and demultiplexing is decided frame and framing, and section and AU4 level path overhead extract and insert, and pointer is handled functions such as (adjustment) and generation; PDH branch road module is finished the access of traditional PD H signal.Above-mentioned module all is a general module.
Described bridge module is the bridge that the multi-service subsystem is communicated by letter with cross system, major function is according to main status signal with time slot Cross module and standby time slot Cross module, determine the time slot Cross module of work, the time slot Cross module of the SDH/SONET signal of multi-service subsystem and work is interconnected.Bridge module mainly comprises management submodule, selector submodule and interface sub-module.The performance of management submodule monitoring bridge module, simultaneously, according to main state information with time slot Cross module and standby time slot Cross module, determining which time slot Cross module is in the work, selection of configuration device submodule then, the selector submodule selects the time slot Cross module and the interface sub-module of work interconnected according to configuration information.Interface sub-module mainly is made up of the optical module device, finishes the conversion of photosignal.Bridge module can comprise one or more selector submodules and interface sub-module, links to each other with one or more multi-service subsystems respectively.
Described multi-service subsystem mainly is made up of the multi-service branch functional module, can finish the conversion between multiple business signals such as Fast Ethernet, gigabit Ethernet, ATM carrying and FC, ESCON, DVB and STM-N/STS-N signal.The multi-service subsystem mainly is made up of management submodule, system interface submodule, mapping submodule, MAC straton module, business interface submodule and clock submodule.The multi-service subsystem is by the time slot Cross module of cross system, the administration module exchange configuration information by DCC passage (being the D1-D12 byte of section overhead in the SDH signal) and cross system, running status, user request information etc.The performance of management submodule monitoring multi-service subsystem, and the service configuration information of sending here according to administration module in the cross system, the business of this multi-service subsystem of administration configuration.Obtaining of service configuration information be to extract D1-D12 byte information among the STM-N/STS-N by mapping submodule, sends management configuration module to.Otherwise administration module reports the information of cross system with needs, by mapping submodule, is inserted in D1～D12 byte, intersects submodule by the master of cross system with time slot and obtains, and is given to the administration module of cross system.The system interface submodule mainly is made up of the optical module device, finishes the photosignal conversion.Mapping submodule is a general submodule, finishes the encapsulation/decapsulation of business datum, shines upon/separate mapping, and the overhead processing of SDH (comprising the extraction and the insertion of D1～D12 byte) receives and send the STM-N/STS-N serial signal.MAC straton module is finished the physical layer of business side signal, the processing of MAC layer signal, as extraction, performance statistics or two layers of exchange etc. of string and conversion, encoding and decoding, Frame.The business interface submodule provides optical interface or electrical interface, and various business such as Ethernet, FC etc. link to each other with the multi-service subsystem by this interface; The clock submodule receives the clock of mapping submodule from circuit, as a reference, and for MAC straton module, mapping submodule provide reference clock source.
Adopt device of the present invention, compare with existing SDH/SONET transmission equipment, the quantity of MSTP service board no longer is subjected to the restriction of frame, has expanded SDH/SONET equipment up-downgoing data service flow.Simultaneously, can realize directly that subscriber terminal equipment is connected with the SDH/SONET access device, has not only simplified network configuration, and has reduced operation cost.
Description of drawings
Fig. 1 is the schematic diagram of current SDH/sonet equipment.
Fig. 2 is the schematic diagram of service separated SDH/sonet equipment of the present invention.
Fig. 3 is the business configuration figure of multi-service subsystem.
Fig. 4 is the schematic diagram of bridge module in the cross system shown in Figure 2.
Fig. 5 is the schematic diagram of multi-service branch module shown in Figure 2.
Embodiment
The present invention is that the Ethernet service of 2.5G is an example with the transmission bandwidth, illustrates that the structure of service separated SDH/SONET transmission equipment is formed and operating process:
A) see figures.1.and.2, MSTP (MSTP) functional module that was embedded in originally in the SDH/SONET transmission equipment is independently become a subsystem.Transmission equipment then of the present invention is made up of two parts, and traditional SDH/SONET equipment is called cross system, and independent multi-service branch functional module is called the multi-service subsystem.Two systems pass through optical fiber interconnections.
B) cross system mainly is made up of time slot Cross module, clock module, administration module, optical interface module, PDH branch road module (optional), bridge module etc.These functional modules realize by integrated circuit board respectively, physically, concentrate in the same frame by backplane interconnect.
C) with reference to Fig. 5, the multi-service subsystem mainly is made up of management submodule, system interface submodule, mapping submodule, MAC straton module, business interface submodule and clock submodule.The business interface submodule is made up of 20 100 m ethernet interfaces, can accept 20 Fast Ethernet service-users.MAC straton module is a layer 2 ethernet switch.Ethernet signal is passed to mapping submodule through after layer 2-switched the converging with signal.In mapping submodule, the packed STM-16 signal that is mapped to of signal.Otherwise at the down direction of business, the STM-16 signal is separated mapping, decapsulation, again by Layer 2 switch, is transmitted back to user's ethernet port.The system interface submodule is made up of the optical module of a 2.5G, finishes the opto-electronic conversion of signal.This optical module is direct-connected by the optical module in the administration module in optical fiber and the cross system.
D) with reference to Fig. 3 and Fig. 4, the bridge module that increases newly in the cross system is to connect the bridge of leading usefulness, standby time slot Cross module and one or more multi-service subsystems.Bridge module is mainly managed submodule, selector submodule and interface sub-module and is formed.The management submodule is except managing and monitor the runnability of this module, also will be according to the condition indicative signal of primary and backup time slot Cross module, determine the time slot Cross module of work, indicate the selector submodule then, interface sub-module is linked to each other with the time slot Cross module of work.The signal that transmits between interface sub-module and the time slot Cross module is the STM-16 form, and interface sub-module mainly is made up of the optical module of a 2.5G, finishes the opto-electronic conversion of STM-16 signal, and links to each other with 2.5 optical modules of multi-service subsystem by optical fiber.
E) the time slot Cross module of the work in the cross system will according to the time slot of VC12/VC3/VC4, be crossed in the optical interface module from the STM-16 signal of multi-service subsystem, transmits on the main line of SDH network.
F) before the transmission of the business of multi-service subsystem, need webmaster to carry out business configuration.The administration module of cross system receives the service configuration information of webmaster, and the service configuration information relevant with the multi-service subsystem issued the time slot Cross module of work.
G) the time slot Cross module in the work is inserted into configuration order information in the DCC passage of multi-service subsystem, just is inserted in the D1-D12 byte of STM-16 section overhead.
The STM-16 signal arrives the multi-service subsystem through bridge module.The mapping submodule of multi-service subsystem is extracted information in the D1-D12 byte from the STM-16 signal of downlink business, be transmitted to the management submodule.
H) the management submodule of multi-service subsystem is provided with the parameter of this subsystem according to configuration order, as the number of the Virtual Concatenation of certain passage, tunneling, virtual container type selecting or the like.
I) disposed after, the management submodule configuration result information is issued mapping submodule, mapping submodule is inserted into information in the D1-D12 byte of section overhead in the up STM-16 signal.
J) administration module of cross system receives the confirmation information, represents this configuration successful.
Claims (9)
1, a kind of service separated SDH/SONET transmission equipment is characterized in that, it comprises cross system and one or more multi-service subsystem; Described cross system is finished the business intersection that traditional SDH/SONET branch road inserts, light path inserts and the multi-service subsystem inserts between the three and is allocated, and described multi-service subsystem is finished access, processing and the transmission of user's several data business.
2, service separated SDH according to claim 1/SONET transmission equipment is characterized in that, described cross system main functional modules has: administration module, time slot Cross module, clock module, optical interface module, bridge module; Described administration module and other all modules are interconnected, described time slot Cross module connects 2 optical interface modules, bridge module respectively, described clock module connects time slot Cross module, optical interface module respectively, and described bridge module is by optical fiber and the interconnection of multi-service subsystem; Wherein, administration module is except that finishing traditional general utility functions, also by business configuration and the performance monitoring of time slot Cross module to the multi-service subsystem; The time slot Cross module also will transmit the configuration management information between administration module and the multi-service subsystem except that finishing general utility functions; The optical interface module is carried out light, electricity and electricity, light conversion, and multiplexing and demultiplexing is decided frame and framing, and section and AU4 level path overhead extract and insert, and pointer is handled and generated; Bridge module is according to the active and standby status signal of using of time slot Cross module, and the time slot Cross module of multi-service subsystem and work is interconnected.
3, service separated SDH according to claim 2/SONET transmission equipment is characterized in that, described time slot Cross module is made up of primary and backup time slot Cross module.
4, service separated SDH according to claim 2/SONET transmission equipment is characterized in that, described clock module is made up of primary and backup clock module.
5, service separated SDH according to claim 2/SONET transmission equipment is characterized in that, described cross system also comprises PDH branch road module; PDH branch road module connects time slot Cross module, administration module and clock module respectively.
6, service separated SDH according to claim 2/SONET transmission equipment is characterized in that, described bridge module comprises management submodule, one or more selector submodule and interface sub-module; Connect with one or more multi-service subsystems respectively; Wherein, the performance of management submodule monitoring bridge module according to the state information of primary and backup time slot Cross module, is determined the time slot Cross module of work, then selection of configuration device submodule; The selector submodule selects the time slot Cross module and the interface sub-module of work interconnected according to configuration information; Interface sub-module mainly is made up of the optical module device, finishes the conversion of photosignal.
7, service separated SDH according to claim 1/SONET transmission equipment, it is characterized in that, described multi-service subsystem is made up of the multi-service branch functional module, finishes the conversion between Fast Ethernet, gigabit Ethernet, ATM carrying and FC/ESCON/DVB multiple business signal and STM-N/STS-N signal; Specifically comprise management submodule, system interface submodule, mapping submodule, MAC straton module, business interface submodule and clock submodule; Wherein, the performance of management submodule monitoring multi-service subsystem, and the service configuration information of sending here according to administration module in the cross system, the business of this multi-service subsystem of administration configuration; The system interface submodule mainly is made up of the optical module device, finishes the photosignal conversion; Mapping submodule is a general submodule; MAC straton module is finished the physical layer of business side signal, the processing of MAC layer signal; The business interface submodule provides optical interface or electrical interface, and miscellaneous service links to each other with the multi-service subsystem by this interface; The clock submodule receives the clock that mapping submodule is extracted from circuit, for MAC straton module, mapping submodule provide reference clock.
8, service separated SDH according to claim 7/SONET transmission equipment, it is characterized in that described multi-service subsystem is through administration module exchange configuration information, running status, the user request information of time slot Cross module by DCC passage and cross system.
9, service separated SDH according to claim 8/SONET transmission equipment is characterized in that, obtaining of service configuration information is by the D1-D12 byte information in the described mapping submodule extraction DCC passage, sends management configuration module to; Otherwise administration module reports the information of cross system with needs, by mapping submodule, is inserted in D1～D12 byte, is obtained by the time slot Cross module of working in the cross system, is given to the administration module of cross system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510137460XA CN1992571B (en) | 2005-12-30 | 2005-12-30 | Muti-service separated SDH/SONET transmission equipment |
| PCT/CN2006/003693 WO2007076700A1 (en) | 2005-12-30 | 2006-12-29 | A multiple service separated fiber synchronization digital transmission network transmission device and transmission method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510137460XA CN1992571B (en) | 2005-12-30 | 2005-12-30 | Muti-service separated SDH/SONET transmission equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1992571A true CN1992571A (en) | 2007-07-04 |
| CN1992571B CN1992571B (en) | 2011-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510137460XA Expired - Fee Related CN1992571B (en) | 2005-12-30 | 2005-12-30 | Muti-service separated SDH/SONET transmission equipment |
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| Country | Link |
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| CN (1) | CN1992571B (en) |
| WO (1) | WO2007076700A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103731305A (en) * | 2013-12-24 | 2014-04-16 | 北京格林伟迪科技有限公司 | Access method and device of multi-service access platform |
| CN108418634A (en) * | 2018-03-27 | 2018-08-17 | 北京瑞光极远数码科技有限公司 | A kind of wide band narrow band service integration system synchronous based on high speed puppet |
| CN111817838A (en) * | 2020-07-16 | 2020-10-23 | 浙江亿邦通信科技有限公司 | Data cross processing system and method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6765928B1 (en) * | 1998-09-02 | 2004-07-20 | Cisco Technology, Inc. | Method and apparatus for transceiving multiple services data simultaneously over SONET/SDH |
| US6608227B1 (en) * | 1999-10-15 | 2003-08-19 | Bristol-Myers Squibb Pharma | Benzylcycloalkyl amines as modulators of chemokine receptor activity |
| CN100499534C (en) * | 2003-04-24 | 2009-06-10 | 华为技术有限公司 | Implementing method for optimizing multiple services in optical synchronization data transmission network |
| CN2671239Y (en) * | 2003-12-05 | 2005-01-12 | 华为技术有限公司 | Synchronous digital transmitting system branch unit for supporting multiple service treatment |
| CN100428732C (en) * | 2003-12-24 | 2008-10-22 | 华为技术有限公司 | Integrated cross switch unit and service scheduling method thereof |
-
2005
- 2005-12-30 CN CN200510137460XA patent/CN1992571B/en not_active Expired - Fee Related
-
2006
- 2006-12-29 WO PCT/CN2006/003693 patent/WO2007076700A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103731305A (en) * | 2013-12-24 | 2014-04-16 | 北京格林伟迪科技有限公司 | Access method and device of multi-service access platform |
| CN103731305B (en) * | 2013-12-24 | 2017-01-11 | 北京格林伟迪科技股份有限公司 | Access method and device of multi-service access platform |
| CN108418634A (en) * | 2018-03-27 | 2018-08-17 | 北京瑞光极远数码科技有限公司 | A kind of wide band narrow band service integration system synchronous based on high speed puppet |
| CN111817838A (en) * | 2020-07-16 | 2020-10-23 | 浙江亿邦通信科技有限公司 | Data cross processing system and method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1992571B (en) | 2011-04-20 |
| WO2007076700A1 (en) | 2007-07-12 |
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