CN102970071B - The method and system of the fast quick-recovery of business after a kind of 10G EPON system power-off restarting - Google Patents
The method and system of the fast quick-recovery of business after a kind of 10G EPON system power-off restarting Download PDFInfo
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Abstract
Do you the present invention relates to a kind of 10G? the method and system of the fast quick-recovery of business after EPON system power-off restarting, optical line terminal OLT is respectively each optical network unit ONU and generates and preserve corresponding batch configuration file.Do you work as 10G? after EPON system power-off restarting, the batch configuration file corresponding with each ONU is directly issued to each ONU by OLT respectively; Each ONU resolves the batch configuration file issued from OLT respectively, and automatically configures ONU according to the content of batch configuration file.10G? after EPON system power-off restarting, the a large amount of ONU accessed in system can reach the standard grade simultaneously, method and system of the present invention, can by issuing batch configuration file to optical network unit ONU in optical line terminal OLT, each optical network unit ONU independently performs batch configuration file and completes automatic configuration, reach and reduce object mutual between optical line terminal OLT and optical network unit ONU, thus solve optical line terminal OLT and bear excessive problem, the fast quick-recovery of the business that realizes.
Description
Technical field
The present invention relates to the fast quick-recovery of optical network unit business in network communication technology field, is the method and system that a kind of 10GEPON system cut-off restarts the fast quick-recovery of rear business specifically.Espespecially a kind of 10GEPON system cut-off restarts the method and system of the fast quick-recovery of rear optical network unit business.
Background technology
EPON (PON, PassiveOpticalNetwork) technology is one of current most widely used intelligent acess technology.PON system structure is made up of three parts usually: the optical line terminal (OLT) of local side, optical network unit (ONU) for the Optical Distribution Network (ODN) that transmits and user side.Wherein OLT is positioned at local side CO(CENTRALOFFICE), ONU is positioned at user side.
The single fiber bi-directional Optical Access Network of a kind of point-to-multipoint (P2MP) structure that what PON adopted is, its typical topology is tree-shaped.Each optical line terminal (OLT) is connected to multiple optical network unit (ONU) by Optical Distribution Network (ODN).
Along with the increase of PON splitting ratio, the quantity of optical network unit (ONU) also sharply increases, and particularly 10GEPON splitting ratio is up to 1:256.Optical line terminal (OLT) port can access nearly 256 optical network units (ONU).The burden of OLT device maintenance management ONU obviously increases.
Optical line terminal (OLT) is generally configured by OAM message optical network unit (ONU), administers and maintains.Along with the applied environment of the continuous expansion of user of access network scale, various complexity is growing, the configuration of ONU also becomes increasingly complex.ONU reach the standard grade registed authorization time, OLT will according to the following function of business demand Remote configuration and parameter: opening of ethernet port, E1, VOIP port, the VLAN configuration, ONU each port traffic traffic classification, queuing, marking convention, the up speed limit of ethernet port (Policing) function, ethernet port Flow Control function, multicast correlation function etc. of ethernet port.
To restart etc. in particular cases in community power-off or OLT device, a large amount of ONU reaches the standard grade simultaneously, authorize and lower configuration.And every bar configuration all needs OLT and ONU to be undertaken alternately by OAM request and the form of response, so, OLT needs OAM message to be processed to increase in a large number suddenly at short notice, OLT device burden is increased, thus causes whole system business recovery slow.
Summary of the invention
For the defect existed in prior art, a kind of 10GEPON system cut-off is the object of the present invention is to provide to restart the method and system of the fast quick-recovery of rear business, to solve after 10GEPON system cut-off restarts, after a large amount of ONU of access reach the standard grade simultaneously, register, OLT needs to process the OAM configuration messages of large amount of complex and the OLT that causes bears excessive problem.
For reaching above object, the technical scheme that the present invention takes is:
10GEPON system cut-off restarts a method for the fast quick-recovery of rear business, comprises the following steps:
The generation of step 1, ONU batch configuration file.OLT is respectively each ONU and generates and preserve corresponding batch configuration file, and described batch configuration file content comprises all configuration informations of this ONU;
Issuing of step 2, ONU batch configuration file.After 10GEPON system cut-off is restarted, the batch configuration file corresponding with each ONU is directly issued to each ONU by OLT respectively, automatically configures ONU for it by the content of batch configuration file; ONU batch configuration file issue in process, OLT finds according to ONU grant number the batch configuration file that each ONU in system is corresponding, is then issued to each ONU respectively;
The execution of step 3, ONU batch configuration file.Each ONU resolves the batch configuration file issued from OLT respectively, and automatically configures ONU according to the content of batch configuration file; Without the need to the participation of OLT time described ONU automatically performs configuration batch configuration, what decrease with OLT is mutual.
10GEPON system cut-off restarts a method for the fast quick-recovery of rear business, and described OLT is that each ONU generates batch configuration file, and detailed process is as follows: perform following steps one by one to all N bar configuration informations of a certain ONU,
Step 1.1, user issue a configuring request by Element management system EMS to ONU,
After step 1.2, OLT receive this configuring request, complete the parsing of the configuration information comprised in configuring request, and with the form of OAM request, this configuration information be sent to ONU,
Step 1.3, ONU receive and are performed with the configuration information of OAM request forward by OLT, to return response OAM message to OLT after completing,
Step 1.4, OLT respond EMS according to the response OAM message of ONU,
If it is OK that step 1.5 OLT receives the response that ONU returns, then OLT preserves this configuration information in the batch configuration file of this ONU;
And then from step 1.1, circulation performs, and completes the generation of configuration file.
10GEPON system cut-off restarts a method for the fast quick-recovery of rear business, and the batch configuration file corresponding with ONU is directly sent to ONU by described OLT, comprises the following steps:
Step 2.1, after ONU again reaches the standard grade and completes mandate, OLT searches batch configuration file corresponding to this ONU, and this batch configuration file is handed down to ONU,
After step 2.2, ONU receive batch configuration file, carry out the completeness check of file, confirm errorless after provide the complete response of batch configuration file reception,
After step 2.3, OLT receive the complete response of batch configuration file reception of ONU, continue as the next one ONU that reaches the standard grade and issue batch configuration file.
10GEPON system cut-off restarts a method for the fast quick-recovery of rear business, and described ONU automatically performs configuration, comprises the following steps:
The receiver module of step 3.1, ONU receives the batch configuration file sended over from OLT;
Step 3.2, correction verification module carry out completeness check to the batch configuration file received;
Step 3.3, verify the request of errorless rear response OLT batch configuration, provide the complete response of batch configuration file reception;
Step 3.4, Executive Module parse configuration information one by one in batch configuration file, and perform configuration one by one, complete the batch configuration to ONU.
10GEPON system cut-off restarts a system for the fast quick-recovery of rear business, comprising: Element management system EMS, optical line terminal OLT and optical network unit ONU, and Element management system EMS passes through optical line terminal OLT managing network unit ONU,
Described optical line terminal OLT comprises: batch configuration file generating module and batch configuration file issue module,
Described optical network unit ONU comprises: batch configuration file receive module and batch configuration file Executive Module.
After 10GEPON system cut-off is restarted, the a large amount of ONU accessed in system can reach the standard grade simultaneously, 10GEPON system cut-off of the present invention restarts the method and system of the fast quick-recovery of rear business, after 10GEPON system cut-off is restarted, a large amount of ONU of access reach the standard grade simultaneously, during registration, can by issuing batch configuration file to optical network unit ONU in optical line terminal OLT, each optical network unit ONU independently performs batch configuration file and completes automatic configuration, reach and reduce object mutual between optical line terminal OLT and optical network unit ONU, thus solve optical line terminal OLT and bear excessive problem, the fast quick-recovery of the business that realizes.
Accompanying drawing explanation
The present invention has following accompanying drawing:
Fig. 1 is PON system structural representation.
Fig. 2 is that OLT generates ONU configuration configuration file schematic flow sheet.
Fig. 3 is OLT batch configuration ONU schematic flow sheet.
Fig. 4 is that ONU performs batch configuration schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
In existing way to manage, all configurations of ONU are all that OLT is issued to ONU one by one by OAM message, OLT can be caused to bear excessive when the ONU quantity that OLT device connects is a lot of time.For this reason, The present invention gives a kind of method that 10GEPON system cut-off restarts the fast quick-recovery of rear business, comprise the following steps:
The generation of step 1, ONU batch configuration file.
OLT is respectively each ONU and generates and preserve corresponding batch configuration file, and the content of described batch configuration file is EMS is all configuration informations that this ONU issues; Batch configuration file and ONU are man-to-man relations, have how many ONU, just have how many batch configuration files; Idiographic flow as shown in Figure 2;
Be that all N bar configuration informations (configuration information 1 to N) that a certain ONU issues perform following steps one by one and generate batch configuration file to EMS, N is positive integer:
Step 1.1, user are by EMS(Element management system) configuring request is issued to ONU.This request comprises the ONU grant number and configuration parameter that are configured.
After step 1.2, OLT receive this configuring request, complete the parsing of the configuration information comprised in configuring request, and this configuration information is sent to the form of OAM request the ONU that ONU grant number identifies;
Step 1.3, ONU receive and are performed with the configuration information of OAM request forward by OLT, to return response OAM message to OLT after completing;
Step 1.4, OLT respond EMS according to the response OAM message of ONU,
If it is OK that step 1.5 OLT receives the response that ONU returns, then OLT preserves this configuration information in the batch configuration file of this ONU.
Issuing of step 2, ONU batch configuration file.
After 10GEPON system cut-off is restarted, the batch configuration file corresponding with each ONU is directly issued to each ONU by OLT respectively.Automatically ONU is configured by the content of batch configuration file for it; Idiographic flow as shown in Figure 3;
The batch configuration file corresponding with ONU is directly sent to ONU by described OLT, comprises the following steps:
Step 2.1, after ONU again reaches the standard grade and completes mandate, OLT searches batch configuration file corresponding to this ONU according to ONU grant number, and this batch configuration file is handed down to ONU;
After step 2.2, ONU receive batch configuration file, carry out the completeness check of file, confirm errorless after provide the complete response of batch configuration file reception;
After step 2.3, OLT receive the complete response of batch configuration file reception of ONU, continue as the next one ONU that reaches the standard grade and issue batch configuration file.
The execution of step 3, ONU batch configuration file.
Each ONU resolves the batch configuration file issued from OLT respectively, and automatically configures ONU according to the content of batch configuration file.Idiographic flow as shown in Figure 4;
Described ONU automatically performs configuration, comprises the following steps:
The receiver module of step 3.1, ONU receives the batch configuration file sended over from OLT;
Step 3.2, correction verification module carry out completeness check to the batch configuration file received;
Step 3.3, verify the request of errorless rear response OLT batch configuration, provide the complete response of batch configuration file reception;
Step 3.4, Executive Module parse configuration information one by one in batch configuration file, and perform configuration one by one, complete the batch configuration to ONU.
As shown in Figure 1, the present invention gives a kind of system adopting the 10GEPON system cut-off of said method to restart the fast quick-recovery of rear business, its system configuration comprises: Element management system EMS, optical line terminal OLT and optical network unit ONU, and Element management system EMS is by optical line terminal OLT managing network unit ONU.
Described optical line terminal OLT comprises: batch configuration file generating module and batch configuration file issue module,
Described optical network unit ONU comprises: batch configuration file receive module and batch configuration file Executive Module.
By snmp protocol or XML protocol communication between Element management system EMS and optical line terminal OLT.Optical line terminal OLT receive, resolve, preserve and encapsulate the configuration information issued by Element management system EMS, then optical line terminal OLT calls batch configuration file generating module, the a large amount of configuration datas issued by EMS generate ONU batch configuration file, and OLT can preserve for each ONU that authorized and safeguard batch configuration file.
After ONU has reached the standard grade mandate, optical line terminal OLT is called batch configuration file and is issued module and be handed down to ONU by expanding the form of OAM, after optical network unit ONU receives the batch configuration file issued from OLT, perform configuration file by configuration file Executive Module batch and complete ONU configuration.
10GEPON system cut-off of the present invention restarts the system of the fast quick-recovery of rear business, OLT is issued successively to the serial of ONU configuration data, change OLT into and issue batch configuration file to mandate ONU is parallel, the configuration effort of complicated and time consumption is distributed to each ONU process as far as possible, the each self-configuring of each ONU executed in parallel after receiving batch configuration, OLT is managed the centralized configuration of ONU, be distributed to distributed execution on each ONU, decrease the mutual of OLT and ONU as much as possible, alleviate burden during a large amount of ONU of access on OLT, improve the degree of parallelism of the execution configuration between ONU, thus reduce the CPU burden of optical line terminal OLT, CPU burden time particularly 10G optical line terminal OLT accesses a large amount of ONU, what is more important the present invention significantly shorten the recovery time of system business after whole system power-off restarting.
Assuming that the every bracing cable card of 10GEPON system has four PON mouths, under each PON mouth, be connected to the ONU of 256 normal work.When system or a unexpected power down in community, all ONU go offline, and then re-power startup, and therefore having thousands of ONU in the short time is needed to be reached the standard grade by OAM message, registers, authorizes.At this moment optical line terminal OLT no longer needs to issue to ONU with conventionally configuring one by one, it only needs to be handed down to optical network unit ONU by disposable for the ONU batch configuration file preserved before, is independently realized the configuration of ONU by ONU configuration file Executive Module.Thus the message interaction process simplified between OLT and ONU, the configuration of a large amount of ONU can be completed within very short time.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed in protection scope of the present invention.Therefore protection scope of the present invention should be as the criterion with the protection range of claim.
The content be not described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.
Claims (5)
1. 10GEPON system cut-off restarts a method for the fast quick-recovery of rear business, it is characterized in that, comprises following three large steps:
The generation of step 1, ONU batch configuration file,
In the generative process of ONU batch configuration file, OLT is respectively each ONU and generates and preserve corresponding batch configuration file, and described batch configuration file content comprises all configuration informations of this ONU,
Described OLT is that each ONU generates batch configuration file, and detailed process is as follows: perform following steps one by one to all N bar configuration informations of a certain ONU,
Step 1.1, user issue a configuring request by Element management system EMS to ONU,
After step 1.2, OLT receive this configuring request, complete the parsing of the configuration information comprised in configuring request, and with the form of OAM request, this configuration information be sent to ONU,
Step 1.3, ONU receive and are performed with the configuration information of OAM request forward by OLT, to return response OAM message to OLT after completing,
Step 1.4, OLT respond EMS according to the response OAM message of ONU,
If it is OK that step 1.5 OLT receives the response that ONU returns, then OLT preserves this configuration information in the batch configuration file of this ONU,
And then from step 1.1, circulation performs, and completes the generation of configuration file,
Issuing of step 2, ONU batch configuration file,
The execution of step 3, ONU batch configuration file.
2. 10GEPON system cut-off as claimed in claim 1 restarts the method for the fast quick-recovery of rear business, it is characterized in that, ONU batch configuration file issue in process, OLT finds according to ONU grant number the batch configuration file that each ONU in system is corresponding, is then issued to each ONU respectively.
3. 10GEPON system cut-off as claimed in claim 1 restarts the method for the fast quick-recovery of rear business, it is characterized in that, in the implementation of ONU batch configuration file, ONU resolves the batch configuration file issued from OLT, and automatically configures ONU according to the content of batch configuration file.
4. 10GEPON system cut-off as claimed in claim 1 restarts the method for the fast quick-recovery of rear business, and it is characterized in that, the batch configuration file corresponding with ONU is directly sent to ONU by described OLT, comprises the following steps:
Step 2.1, after ONU again reaches the standard grade and completes mandate, OLT searches batch configuration file corresponding to this ONU, and this batch configuration file is handed down to ONU,
After step 2.2, ONU receive batch configuration file, carry out the completeness check of file, confirm errorless after provide the complete response of batch configuration file reception,
After step 2.3, OLT receive the complete response of batch configuration file reception of ONU, continue as the next one ONU that reaches the standard grade and issue batch configuration file;
Described ONU automatically performs configuration, comprises the following steps:
The receiver module of step 3.1, ONU receives the batch configuration file sended over from OLT,
Step 3.2, correction verification module carry out completeness check to the batch configuration file received,
Step 3.3, verify the request of errorless rear response OLT batch configuration, provide the complete response of batch configuration file reception,
Step 3.4, Executive Module parse configuration information one by one in batch configuration file, and perform configuration one by one, complete the batch configuration to ONU.
5. the system using 10GEPON system cut-off that the arbitrary described 10GEPON system cut-off of claim 1-4 restarts the method for the fast quick-recovery of rear business to restart the fast quick-recovery of rear business, it is characterized in that, this system comprises: Element management system EMS, optical line terminal OLT and optical network unit ONU, Element management system EMS is by optical line terminal OLT managing network unit ONU
Described optical line terminal OLT comprises: batch configuration file generating module and batch configuration file issue module,
Described optical line terminal OLT receives, resolve, preserve and encapsulate the configuration information issued by described Element management system EMS, described optical line terminal OLT calls described batch configuration file generating module, the configuration information issued by described Element management system EMS generates batch configuration file, described optical line terminal OLT preserves described batch configuration file, described batch configuration file content comprises all configuration informations of described optical network unit ONU
Described optical network unit ONU comprises: batch configuration file receive module and batch configuration file Executive Module.
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| CN104093092B (en) * | 2014-07-18 | 2018-01-16 | 上海斐讯数据通信技术有限公司 | A kind of optical network system restarts restoration methods and OLT |
| CN105049171B (en) * | 2015-07-10 | 2018-02-13 | 上海斐讯数据通信技术有限公司 | A kind of optical network local side apparatus method of data synchronization and system |
| CN105163206A (en) * | 2015-08-06 | 2015-12-16 | 上海斐讯数据通信技术有限公司 | ONU VLAN ID automatic configuration method and device under PON system |
| CN105915596A (en) * | 2016-04-12 | 2016-08-31 | 上海斐讯数据通信技术有限公司 | Optical network unit information acquiring method and optical network unit information acquiring system |
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Effective date of registration: 20170412 Address after: 430000 East Lake high tech Development Zone, Hubei Province, No. 6, No., high and new technology development zone, No. four Patentee after: Fenghuo Communication Science &. Technology Co., Ltd. Address before: East Lake high tech city of Wuhan province Hubei Dongxin road 430074 No. 5 East optical communication industry building in Wuhan Fenghuo Network Co Ltd Patentee before: Wuhan Fenghuo Network Co., Ltd. |
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