CN101924648B - Adaptive method and adaptive device of service veneer - Google Patents
Adaptive method and adaptive device of service veneer Download PDFInfo
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- CN101924648B CN101924648B CN201010236650.8A CN201010236650A CN101924648B CN 101924648 B CN101924648 B CN 101924648B CN 201010236650 A CN201010236650 A CN 201010236650A CN 101924648 B CN101924648 B CN 101924648B
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Abstract
The invention discloses an adaptive method and an adaptive device of a service veneer, which overcome the shortage that the setting of a veneer service can not be completed in an adaptive mode in an optical transmission network in the prior art. The adaptive device comprises a detecting module and a processing module, wherein the detecting module is used for receiving an input signal and recognizing a service type of the input signal by detecting a framing format of the input signal; and the processing module is used for converting the input signal into an output signal of a frame structure of a line side service according to the service type or converting the input signal into a maintenance signal. Compared with the prior art, the embodiment of the invention overcomes the shortage that the veneer service can not be set in an adaptive mode but only can be manually set in the traditional optical transmission network, is used for monitoring and managing service in real time and reporting and alarming problem service and is beneficial to the validity and the convenience of service development in the optical transmission communications network.
Description
Technical field
The present invention relates to optical transmission communication network, particularly relate to a kind of adaptive approach and device of service board.
Background technology
Along with the high speed development of the communication technology, the automatic technology of communication equipment has become the developing direction of future communications.Current communication equipment, especially bottom transmission equipment is all adopt to configure manually in business configuration (adaptation), monitoring management is carried out again by network management system, there is very large deficiency in such way to manage: current networking is unlike the former demand capacity construction according to reality, but dilatation demand potential from now on can be considered, to realize the sustainable application of network better.Further, the communication service of transmission equipment access is also no longer single fixing, and along with the diversified demand of application, communication service also presents diversified development.
According to the development characteristic of current communication system, if still adopt the mode manually arranging communication equipment in the past, then at least there is following deficiency:
(1) human and material resources of at substantial and time cost;
(2) for catenet and multi service access, easily cause and mismatch misoperation;
(3) main trend of informatization and network automation development is not met.
Existing automatic configuration is generally also confined to wireless communication field, and service adaptation is also just positioned at the business aspect pre-set, and is not to automatically switch according to business in real time, especially for wave transmission system.Therefore it is all very helpful for introducing service adaptation for whole communication network at wavelength-division transmission field.
Summary of the invention
Technical problem to be solved by this invention is the adaptive approach and the device that need to provide a kind of service board, and overcoming single board service in prior art optical transmission network self adaptation cannot complete the deficiency of setting.
In order to solve the problems of the technologies described above, the invention provides a kind of self-reacting device of service board, comprise detection module and processing module, wherein:
Described detection module, for receiving input signal, by the type of service of input signal described in the framing format identification that detects described input signal;
Described processing module, for according to described type of service, is converted to the output signal of the frame structure of line side business, or described input signal is converted to maintenance signal by described input signal.
Preferably, this device comprises further:
Network management unit, for arranging business configuration pattern, described business configuration pattern comprises service adaptation configuration mode or business non-self-adapting configuration mode;
Wherein,
Described processing module is used for described network management unit when being set to described service adaptation configuration mode, according to notice and the described type of service of described network management unit, described input signal is converted to described output signal or maintenance signal;
Described processing module is used for described network management unit when being set to described business non-self-adapting configuration mode, processes described input signal according to the signal format that described network management unit pre-sets.
Preferably, described detection module is used for the type of service by input signal described in the byte information identification in input signal frame structure described in comparison.
Preferably, described detection module is for receiving the described input signal of customer side optical module transmission; Described processing module is used for described output signal or maintenance signal to send to group trackside optical module.
Preferably, described processing module is used for described input signal to carry out decoding FEC, expense and framing processing, pools the output signal of the frame structure of described line side business.
In order to solve the problems of the technologies described above, present invention also offers a kind of adaptive approach of service board, comprising:
Receive input signal;
By the type of service of input signal described in the framing format identification that detects described input signal;
According to the type of service of described input signal, described input signal is converted to the output signal of the frame structure of line side business, or described input signal is converted to maintenance signal.
Preferably, before described input signal is converted to described output signal or maintenance signal, arrange business configuration pattern further, described business configuration pattern comprises service adaptation configuration mode or business non-self-adapting configuration mode;
Wherein,
When described business configuration pattern is set to described service adaptation configuration mode, according to notice and described type of service, described input signal is converted to described output signal or maintenance signal;
When described business configuration pattern is set to described business non-self-adapting configuration mode, according to the signal format pre-set, described input signal is processed.
Preferably, by the step of type of service described in the framing format identification that detects described input signal, comprising:
By the type of service of input signal described in the byte information identification in input signal frame structure described in comparison.
Preferably, the described input signal that customer side optical module sends is received;
Described output signal or maintenance signal are sent to group trackside optical module.
Preferably, described input signal is converted to the step of described output signal, comprises:
Described input signal is carried out decoding FEC, expense and framing processing, pools the output signal of the frame structure of described line side business.
Compared with prior art, embodiments of the invention solve single board service in current optical transmission network and cannot self adaptation arrange and the deficiency that can only manually arrange, real-time monitor and managment is carried out to business, and to problem business report and alarm, be conducive to validity that business in optical transmission communication network carries out and convenience.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of the self-reacting device of the service board of the embodiment of the present invention;
Fig. 2 is the schematic flow sheet of the adaptive approach of the service board of the embodiment of the present invention.
Embodiment
Describe embodiments of the present invention in detail below with reference to drawings and Examples, to the present invention, how application technology means solve technical problem whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.
The self-reacting device of embodiment one, a kind of service board
As shown in Figure 1, the present embodiment mainly comprises detection module 110 and processing module 120, wherein:
Detection module 110, for receiving the input signal of outside input, being identified the type of service of this input signal, and recognition result is informed to processing module 120 by the framing format detecting this input signal; Byte information in the frame structure of the input signal of different business can difference to some extent, therefore can be identified the input signal of different service types by the byte information in comparison input signal frame structure;
Processing module 120, is connected with detection module 110, according to the type of service of input signal, input signal is converted to the output signal of the frame structure of line side business; Particularly, perform the optical transfer network (OTN) such as forward error correction (FEC) decoding, expense, the framing process of input signal, finally pool the frame structure of line side business or be converted to associated maintenance signal as requested, be connected to group trackside optical module by interface, undertaken exporting after electrical/optical (E/O) is changed by group's trackside optical module.
As shown in Figure 1, the present embodiment can also comprise network management unit (MCU) 130, be connected with detection module 110 and processing module 120 respectively, for arranging business configuration pattern, comprise and being set to service adaptation configuration mode or business non-self-adapting configuration mode; Recognition result, after identifying the type of service of input signal, is informed to MCU 130 by above-mentioned detection module 110 in the lump.Processing module 120 is when MCU 130 is set to service adaptation configuration, and the notice according to MCU 130 could perform above-mentioned respective handling.In other embodiments, if when MCU 130 is set to business non-self-adapting configuration (namely traditional manual configuration is main), processing module 120 performs the subsequent serial process (fec decoder of input signal to input signal according to the signal format that MCU 130 pre-sets, expense, framing etc. process and pool the frame structure etc. of line side business), such as input signal is OTU2 signal, and the service signal that MCU 130 is arranged is STM-64 signal, now then decode according to the processing mode of synchronous digital hierarchy (SDH), expense, the process such as framing, finally pool the frame structure of OTU3 or be converted to associated maintenance signal on request, group trackside optical module is connected to by interface, undertaken exporting after E/O changes by group's trackside optical module.In this case, follow-up the possibility of result is exactly that set STM-64 business is not mated with the OTU2 business of access, and business cannot be connected, service board report and alarm.
And MCU 130 is set to service adaptation configuration in the present embodiment, if business is not mated, report different alarms according to type of service, such as SDH business then reports LOF LOF alarm, OTN business is then reported OOF (OUT-LOF) alarm, Ethernet service reports synchronization loss alarm.
After detection module 110 identifies the type of service of input signal, the initial service type comparison that needs and veneer store, if identical, then adaptive success; If different, then report network administrative unit 130, network management unit 130 issues change order according to the traffic format of input signal, makes the final and access service format match of traffic format.
A practical application of the present invention, for 40G convergence service veneer, detection module 110 and outside XFP (10 Gigabit Small Form Factor Pluggable, 10G small size is pluggable) optical module connects, and the input signal received carries out to the light signal that customer side accesses the signal of telecommunication that opto-electronic conversion obtains by this customer side optical module of XFP optical module.
A practical application of the present invention, for 40G convergence service veneer, above-mentioned input signal is optical transfer network (Optical Transport Network, OTN) the OTU2 signal of form, that processing module 120 performs is forward error correction (the Forward Error Correction of OTU2 signal, FEC) the OTN process such as decoding, expense, framing, finally pools the frame structure signal of OTU3 or is converted to associated maintenance signal on request.
Service board Adaptable System, realize by installing monitoring management chip for the monitoring judgement of business and the handover management of own service, the data that chip collects report MCU 130 and the NE management veneer of veneer self, NE management unit the data that the data stored before and this report are compared after transmitting order to lower levels start service adaptation flow process.
Practical application of the present invention comprises the application of 40G convergence service veneer, the type of service that 40G convergence service veneer branch road side interface can access has: STM-64 (OC-192), 10GE-LAN/WAN (LAN/WAN) and OTU2, and four branch roads can access four kinds of identical service signals, also different branch can receive dissimilar service signal.The type of service that group's trackside can access is OTU3.
The adaptive approach of embodiment two, a kind of service board
In conjunction with embodiment illustrated in fig. 1, as shown in Figure 2, the present embodiment mainly comprises the steps:
Step S210, receives input signal;
Step S220, by detecting the framing format of input signal, identifies the type of service of input signal;
Step S230, according to the type of service of input signal, is converted to the output signal of the frame structure of line side business, or input signal is converted to maintenance signal by input signal.
In practical application of the present invention, before above-mentioned steps S230, can also arrange business configuration pattern further, described business configuration pattern comprises service adaptation configuration mode or business non-self-adapting configuration mode;
When described business configuration pattern is set to described service adaptation configuration mode, according to notice and described type of service, described input signal is converted to described output signal or maintenance signal;
When described business configuration pattern is set to described business non-self-adapting configuration mode, according to the signal format pre-set, described input signal is processed.
In practical application of the present invention, above-mentioned steps S220, by the type of service of input signal described in the byte information identification in input signal frame structure described in comparison.
In practical application of the present invention, receive customer side optical module (as XFP optical module) send as described in input signal; Described output signal or maintenance signal are sent to group trackside optical module; In other practical applications, this XFP optical module also can be the customer side optical module of other kinds.
In practical application of the present invention, described input signal is converted to the step of described output signal, comprises: described input signal is carried out decoding FEC, expense and framing processing, pool the output signal of the frame structure of described line side business.
Embodiments of the invention make communication equipment can the demand of adaptive access business, whether Lookup protocol also can be controlled by network management business, improve the reliability of system, network erection is also simple, improve the Automated condtrol ability of communication equipment, make equipment have more service and hommization.Such as, in engineering opening with in safeguarding, a large amount of service needed is arranged, if now adopt the adaptive management of business, then greatly can save setting and preventive maintenance time.Or, needs access new business or carry out business change time, cannot judge that veneer arranges for some reason as which kind of business time, prior art cannot proceed, and then engineering can be smooth to use the technology of the present invention.
Claims (8)
1. a self-reacting device for service board, is characterized in that, comprises detection module and processing module, wherein:
Described detection module, for receiving input signal, by the type of service of input signal described in the framing format identification that detects described input signal; Described input signal is OTN form;
Described processing module, for according to described type of service, is converted to the output signal of the frame structure of line side business, or described input signal is converted to maintenance signal by described input signal;
Wherein, described detection module is used for the type of service by input signal described in the byte information identification in input signal frame structure described in comparison.
2. device according to claim 1, is characterized in that, this device comprises further:
Network management unit, for arranging business configuration pattern, described business configuration pattern comprises service adaptation configuration mode or business non-self-adapting configuration mode;
Wherein,
Described processing module is used for described network management unit when being set to described service adaptation configuration mode, according to notice and the described type of service of described network management unit, described input signal is converted to described output signal or maintenance signal;
Described processing module is used for described network management unit when being set to described business non-self-adapting configuration mode, processes described input signal according to the signal format that described network management unit pre-sets.
3. device according to claim 1 and 2, is characterized in that:
The described input signal that described detection module sends for receiving customer side optical module;
Described processing module is used for described output signal or maintenance signal to send to group trackside optical module.
4. device according to claim 1 and 2, is characterized in that:
Described processing module is used for described input signal to carry out decoding FEC, expense and framing processing, pools the output signal of the frame structure of described line side business.
5. an adaptive approach for service board, is characterized in that, comprising:
Receive input signal; Described input signal is OTN form;
By the type of service of input signal described in the framing format identification that detects described input signal, comprising: by the type of service of input signal described in the byte information identification in input signal frame structure described in comparison;
According to the type of service of described input signal, described input signal is converted to the output signal of the frame structure of line side business, or described input signal is converted to maintenance signal.
6. method according to claim 5, is characterized in that:
Before described input signal is converted to described output signal or maintenance signal, arrange business configuration pattern further, described business configuration pattern comprises service adaptation configuration mode or business non-self-adapting configuration mode;
Wherein,
When described business configuration pattern is set to described service adaptation configuration mode, according to notice and described type of service, described input signal is converted to described output signal or maintenance signal;
When described business configuration pattern is set to described business non-self-adapting configuration mode, according to the signal format pre-set, described input signal is processed.
7. the method according to claim 5 or 6, is characterized in that:
Receive the described input signal that customer side optical module sends;
Described output signal or maintenance signal are sent to group trackside optical module.
8. the method according to claim 5 or 6, is characterized in that, described input signal is converted to the step of described output signal, comprises:
Described input signal is carried out decoding FEC, expense and framing processing, pools the output signal of the frame structure of described line side business.
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| CN102685015A (en) * | 2012-05-30 | 2012-09-19 | 烽火通信科技股份有限公司 | Method and device for realizing normalization of TDM (Time Division Multiplexing) and grouping mixed services |
| CN105871467B (en) * | 2015-01-19 | 2018-03-23 | 中国移动通信集团公司 | A kind of device of adaptive connection in optical network system and optical network system |
| CN107809296B (en) * | 2017-12-13 | 2023-10-27 | 天津光电通信技术有限公司 | Optical signal converging device and method for identifying input optical signal format |
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| CN1946074A (en) * | 2006-09-30 | 2007-04-11 | 华为技术有限公司 | Method and device for realizing service type self adaption |
| CN101345612A (en) * | 2007-07-09 | 2009-01-14 | 大唐移动通信设备有限公司 | Data transmission method and device based on time division multiplexing link |
| CN101567842A (en) * | 2008-04-23 | 2009-10-28 | 华为技术有限公司 | Method, device and system for transmitting and receiving service data |
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| CN1946074A (en) * | 2006-09-30 | 2007-04-11 | 华为技术有限公司 | Method and device for realizing service type self adaption |
| CN101345612A (en) * | 2007-07-09 | 2009-01-14 | 大唐移动通信设备有限公司 | Data transmission method and device based on time division multiplexing link |
| CN101567842A (en) * | 2008-04-23 | 2009-10-28 | 华为技术有限公司 | Method, device and system for transmitting and receiving service data |
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