CN103763148A - ONU automatic authorization configuration recovery method - Google Patents
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- CN103763148A CN103763148A CN201410063799.9A CN201410063799A CN103763148A CN 103763148 A CN103763148 A CN 103763148A CN 201410063799 A CN201410063799 A CN 201410063799A CN 103763148 A CN103763148 A CN 103763148A
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- 238000013475 authorization Methods 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000011084 recovery Methods 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
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Abstract
Disclosed is an ONU automatic authorization configuration recovery method. When an ONU is offline, an OLT empties a corresponding log-on message of the ONU in an ONU registry, and sets the registration number in an ONU authorization list as 0. When the ONU is online, whether a physical address the same as an ONU physical address in the registry is checked in the authorization list, if yes, it means that the ONU is authorized and is online again, an authorization number capable of being found is distributed to the ONU, and the private configuration of last time of successful authorization of the ONU is released through the authorization number. If not, it means that the ONU is not authorized yet, the ONU is online for the first time, an authorization number not used is distributed to the ONU, and the public configuration of the ONU is released through the authorization number. The ONU automatic authorization configuration recovery method does not participation of workers, the ONU is automatically authorized, the original private configuration of the ONU is recovered after the ONU is powered off and restarted, and the maintenance workload is lightened.
Description
Technical field
The present invention relates to a kind of ONU automatic authorization configuration recovery method, relate in particular to a kind of ONU automatic authorization configuration recovery method in EPON system.
Background technology
EPON is by OLT(optical line terminal), ONU(optical network unit) and ODN(Optical Distribution Network) etc. the point-to-multipoint system that forms.OLT is positioned at local side, and ONU is positioned at user side, and ODN consists of passive optical splitters and fibre circuit.
According to the requirement of the EPON of China Telecom standard criterion, to be linked into the ONU of network by OLT, need to register and authorize.OLT system should support ONU to authorize (authorized), and the licensing status of ONU has determined whether ONU can access network.OLT has the database of a legal ONU identification information, and for the ONU that passes through to authorize, OLT is directly made as licensing status by this ONU, allows to pass through from the data service of this ONU.The mandate of ONU refers to that the OLT equipment in EPON system carries out access control according to the information of the ONU equipment of each connection to this ONU equipment, guarantee that ONU is except MPCP (Multi-point Control Protocol, Multi Point Control Protocol), OAM(oam, Operation Administration and Maintenance) etc. the data flow outside information can pass through.If ONU is not authorized, the data flow of coming from ONU downstream plant so cannot be passed through from the up going port of OLT, and same, the data flow of issuing ONU from OLT up going port also cannot arrive ONU equipment.For this ONU authorizes, be this ONU Resources allocation in OLT system, set up data flow path.
In EPON system, OLT finds that the flow process of ONU is as follows:
1, OLT can find the descending ONU that reaches the standard grade of message discovery by periodic broadcast;
2, ONU receives and finds can to initiate registration request message after message, and OLT receives registration request message, calculates RTT(circulation timei, Round-Trip Time) and learn the physical address of ONU;
3, OLT sends logon message to ONU, and is ONU distribution LLID(LLID, Logical Link Identification);
4, ONU sends accreditation verification message.OLT system made is also preserved ONU Registry, once ONU completes registration, OLT can insert the list item information about this ONU in registration table.
In EPON system, OLT can utilize three kinds of modes to authorize ONU:
1, the mandate based on physical label, the physical address based on ONU carries out legitimacy mandate.
2, the mandate of logic-based sign, adopts the logical identifier of ONU as authorizing sign, and logical identifier adopts: logic ONU sign Loid+ password Password.
3, hybrid mode: realize the compatibility that the ONU based on physical address authentication and logic-based sign authorizes, under this mode, the OLT first physical address based on ONU compares, obstructed out-of-date in comparison, and OLT can initiate the mandate to the logic-based sign of this ONU.
OLT system creates authorization list according to input command, authorize list item to comprise the grant number (auth-id of PON slogan (pon-id), ONU, be generally 1-64, a PON of EPON system supports at most 64 ONU), the style number (onu-type) of ONU is, the physical address (onu-mac) of ONU, the number of registration of ONU.Under same PON mouth, grant number is this ONU of unique identification.
ONU also comprises registration table, the number of registration that the physical address that registry key comprises ONU, the style number of ONU (onu-type), OLT distribute to ONU, the grant number of ONU.
In OLT system, exist at present two kinds of delegated strategy mechanism: manual authorisation and automatic authorization.Manual authorisation refers to that user's manual administration safeguards the authorization list information in OLT.
For having a large amount of ONU to authorize or terminal use changes ONU and while again authorizing, the workload that manual authorisation is safeguarded is larger, user requires OLT system can support ONU automatic authorization and retain user to be configured in the upper original information of ONU.
Automatic authorization be by the ONU Auto-writing that is registered to OLT system to authorization list, thereby all data services of ONU are passed through.Only in OLT system authorization pattern, could switch delegated strategy when based on physical label mandate is automatic authorization.
Existing automatic authorization mechanism is that ONU removes ONU while rolling off the production line to authorize, and when ONU reaches the standard grade, again this ONU is re-registered to mandate, and the grant number of the every sub-distribution of ONU is to find a scope at 1-64 and the numerical value that is not assigned with at random.When configuration restore, the original configuration information to ONU is not configured recovery.
Existing automatic authorization mechanism is because this ONU information in authorization list after ONU rolls off the production line is deleted, and when reaching the standard grade registed authorization for the second time, likely this grant number and the grant number of last time are inconsistent again.While realizing configuration restore in OLT system, by finding corresponding grant number, go to issue configuration to corresponding ONU.Because twice of front and back ONU authorizes successful grant number possibility inconsistent, OLT issues original privately owned configuration to ONU and can not realize.
The unrealized configuration restore of privately owned configuration of ONU, once ONU is restarted, this ONU information will be deleted from the authorization list of OLT, the privately owned configuration information of this ONU rolls off the production line while reaching the standard grade again and no longer exists at this ONU.User need to reconfigure these privately owned configurations again and be issued to ONU above, and when existing a large amount of privately owned configurations to issue, the workload of this maintenance will be very large.
Summary of the invention
The invention provides a kind of ONU automatic authorization configuration recovery method, without staff, participate in, automatically, for ONU authorizes and recover the original privately owned configuration of ONU after ONU power-off restarting, dwindled maintenance workload.
In order to achieve the above object, the invention provides a kind of ONU automatic authorization configuration recovery method, when ONU rolls off the production line, OLT empties the corresponding log-on message of this ONU in ONU registration table, and the number of registration in ONU authorization list is set to 0;
When ONU reaches the standard grade, in authorization list, search and whether have the physical address identical with ONU physical address in registration table, if there is identical physical address, illustrate that this ONU is authorized, this ONU reaches the standard grade again, distribute the grant number searching out to this ONU, by grant number, issue the successful privately owned configuration of this ONU registed authorization last time, if there is no identical physical address, illustrate that this ONU is also uncommitted, this ONU reaches the standard grade first, distributes a grant number of not used to this ONU, issues the common configuration of this ONU by grant number.
When ONU reaches the standard grade, before searching and whether having the physical address identical with ONU physical address in registration table, carry out following steps in authorization list:
Traversal ONU registration table, the number of registration of finding in registration table is not 0, and the ONU that grant number is 0.
At traversal ONU registration table, the number of registration of finding in registration table is not 0, and before the ONU that grant number is 0, carries out following steps:
ONU reaches the standard grade, and initiates registration request;
OLT response, fills in ONU registration table.
In authorization list, search and whether have the physical address identical with ONU physical address in registration table, if there is identical physical address, giving before this ONU distributes the grant number searching out, carry out following steps:
Judge that whether in authorization list and registration table No. PON of this ONU be identical, if identical, distribute the grant number searching out to this ONU.
If in authorization list and registration table No. PON of this ONU is not identical, this ONU is removed to Authorized operation from original mandate PON mouth, then distribute the grant number searching out to this ONU.
The present invention participates in without staff, automatically, for ONU authorizes and recover the original privately owned configuration of ONU after ONU power-off restarting, has dwindled maintenance workload.
Accompanying drawing explanation
Fig. 1 is the roll off the production line flow chart of deregistering method of ONU automatic authorization.
Fig. 2 is the reach the standard grade flow chart of configuration recovery method of ONU automatic authorization.
Embodiment
Following according to Fig. 1 and Fig. 2, illustrate preferred embodiment of the present invention.
The invention provides a kind of ONU automatic authorization configuration recovery method, the method comprises ONU automatic authorization deregistering method and the ONU automatic authorization configuration recovery method of reaching the standard grade that rolls off the production line.
As shown in Figure 1, the described ONU automatic authorization deregistering method that rolls off the production line comprises following steps:
Step 1.1, ONU roll off the production line, and initiate to go registration request;
Step 1.2, OLT response, empty (number of registration in ONU registration table and grant number are all set to 0) by the corresponding log-on message of this ONU in ONU registration table, and the number of registration in ONU authorization list set to 0.
As shown in Figure 2, the described ONU automatic authorization configuration recovery method of reaching the standard grade comprises following steps:
Step 2.1, ONU reach the standard grade, and initiate registration request;
When ONU equipment with on OLT local side apparatus, be electrically connected to after, OLT finds that this ONU reaches the standard grade, ONU sends registration request to OLT, ONU reports to OLT by self information (number of registration distributing to ONU as ONU physical address, ONU typonym, OLT etc.);
Step 2.2, OLT response, fill in ONU registration table;
The information that OLT reports ONU (number of registration distributing to ONU as ONU physical address, ONU typonym, OLT etc.) is written to ONU registration table;
Step 2.3, unlatching automatic authorization task of timer, traversal ONU registration table, the number of registration of finding in registration table is not 0, and the ONU that grant number is 0, if found, carry out step 2.4;
Automatic authorization task of timer has been registered in a registration table of inspection in 5 seconds but undelegated ONU(comprises two kinds of situations of ONU of again reaching the standard grade after the ONU reaching the standard grade for the first time and the registration of rolling off the production line), according to number of registration (numeral between 1-64), search registration table, search number of registration in registration table not for 0(represents that this ONU is online) and grant number be that 0(represents that this ONU is may unauthorized illegal) ONU;
Step 2.4, by the ONU physical address in registration table, in authorization list, search whether there is identical physical address, if existed, carry out step 2.5, if there is no, carry out step 2.7;
If the physical address of this ONU is Already in authorization list, illustrate that this ONU is authorized, distribute the grant number searching out to this ONU, if there is not the physical address of this ONU in authorization list, illustrate that this ONU is also uncommitted, distribute a scope of not used in the grant number of 1-64 to this ONU;
Step 2.5, judge that whether in authorization list and registration table No. PON of this ONU be identical, if identical, carry out step 2.8, if not identical, carry out step 2.6;
64 ONU supported at most in a PON slogan (pon-id) of EPON system, and under same PON mouth, grant number is this ONU of unique identification;
Step 2.6, this ONU is removed to Authorized operation (number of registration in ONU authorization list and grant number are all set to 0, and the grant number in ONU registration table is set to 0) from original mandate PON mouth, then carry out step 2.8;
Step 2.7, a searching grant number of not used (scope is at 1-64) assignment are given this ONU, in authorization list, fill in the number of registration of this ONU, in registration table, fill in the grant number of this ONU, by message mode notified on authorization task, set up the communication port of this ONU, by grant number, issue the common configuration of this ONU, then carry out step 2.3;
Step 2.8, according to the physical address of ONU, search corresponding grant number, this grant number is distributed to this ONU, in authorization list, fill in the number of registration of this ONU, in registration table, fill in the grant number of this ONU, by message mode notified on authorization task, set up the communication port of this ONU, by grant number, issue the successful privately owned configuration of this ONU registed authorization last time, then carry out step 2.3.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.Those skilled in the art, read after foregoing, for multiple modification of the present invention with to substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (5)
1. an ONU automatic authorization configuration recovery method, is characterized in that,
When ONU rolls off the production line, OLT empties the corresponding log-on message of this ONU in ONU registration table, and the number of registration in ONU authorization list is set to 0;
When ONU reaches the standard grade, in authorization list, search and whether have the physical address identical with ONU physical address in registration table, if there is identical physical address, illustrate that this ONU is authorized, this ONU reaches the standard grade again, distribute the grant number searching out to this ONU, by grant number, issue the successful privately owned configuration of this ONU registed authorization last time, if there is no identical physical address, illustrate that this ONU is also uncommitted, this ONU reaches the standard grade first, distributes a grant number of not used to this ONU, issues the common configuration of this ONU by grant number.
2. ONU automatic authorization configuration recovery method as claimed in claim 1, is characterized in that, when ONU reaches the standard grade, before searching and whether having the physical address identical with ONU physical address in registration table, carries out following steps in authorization list:
Traversal ONU registration table, the number of registration of finding in registration table is not 0, and the ONU that grant number is 0.
3. ONU automatic authorization configuration recovery method as claimed in claim 2, is characterized in that, at traversal ONU registration table, the number of registration of finding in registration table is not 0, and before the ONU that grant number is 0, carries out following steps:
ONU reaches the standard grade, and initiates registration request;
OLT response, fills in ONU registration table.
4. ONU automatic authorization configuration recovery method as claimed in claim 3, it is characterized in that, in authorization list, search and whether have the physical address identical with ONU physical address in registration table, if there is identical physical address, before giving this grant number that ONU distribution searches out, carry out following steps:
Judge that whether in authorization list and registration table No. PON of this ONU be identical, if identical, distribute the grant number searching out to this ONU.
5. ONU automatic authorization configuration recovery method as claimed in claim 4, it is characterized in that, if in authorization list and registration table No. PON of this ONU is not identical, this ONU is removed to Authorized operation from original mandate PON mouth, then distribute the grant number searching out to this ONU.
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