CN103108262A - Method for upgrading configuration file of optical network unit in GPON system - Google Patents
Method for upgrading configuration file of optical network unit in GPON system Download PDFInfo
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Abstract
The invention discloses a method for upgrading a configuration file of an optical network unit in a GPON (Gigabit Passive Optical Network) system. The method comprises the steps as follows: sending a request message of upgrading the configuration file to an optical network unit by an OLT (Optical Line Terminal) and determining if the configuration file is upgraded according to a response message of the current optical network unit by the OLT; if determining to upgrade the configuration file, transmitting the configuration file to the optical network unit by the OLT; after transmission of the configuration file is completed, carrying out CRC (Cyclic Redundancy Check) operation by the optical network unit; if passing the check, writing a FlASH by the optical network unit; and after writing the FlASH by the optical network unit, bringing the upgraded configuration file into effect, and reporting that the configuration file is successfully upgraded. According to the method, the OLT interacts with an ONU (Optical Network Unit) for basically checking the ONU to be upgraded before upgrading, so that the incorrect configuration file can be effectively prevented from being sent to the ONU, and the ONU is prevented from being repeatedly configured, thereby effectively increasing the speed of configuring the ONU, effectively improving the reliability of configuring the ONU and providing convenience for service providers to manage terminal users.
Description
Technical field
The present invention relates to the GPON system management, be specifically related to the method for optical network unit configuration file upgrading in the GPON system.
Background technology
GPON(Gigabit-CapablePassiveOpticalNetwork, gigabit passive optical network) technology a kind of broadband passive light of being based on the ITU-TG.984.x standard comprehensively accesses standard.The GPON system is by the OLT(OpticalLineTerminal of office's side, optical line terminal), the ONT of user's side (Optical Network Terminal, Optical Network Terminal) or ONU(OpticalNetwork Unit, optical network unit), and ODN(Optical Distribution Network, Optical Distribution Network) form.Optical Distribution Network is comprised of the monomode fiber (SM fiber) and the passive optical splitters (Splitter) that are used for connection OLT and ONU.
Direction from OLT to ONT/ONU is down direction, adopts the data stream transmitting mode of broadcast transmission; Otherwise be up direction, adopt the time division multiple access access technology based on statistic multiplexing.
OMCI(ONT Management and Control Interface ONT management and control interface) be a kind of configuration transmission channel that defines in the GPON standard, by set up proprietary GEM PORT(bearer path between OLT and ONT) transmission OMCI message, be used for providing the ONU ability of obtaining of standard, and to its method that manages and control.The all configurations of ONT are all controlled by OLT, but when having alarm or attribute to change, ONT can active reporting message.
In practical application, the GPON system adopts network management system, by the webmaster page, ONT/ONU is carried out business configuration.
Along with the development of GPON technology, ONU supporting business function is various, and same applied business may have different configuration needs in different regions or different scene, and the centralized webmaster of the side OLT of office can not support all configurations can carry out page setup.
A kind of common method is to adopt default configuration file, namely preserves the configuration file of a acquiescence in ONU, according to different demands, and customized different default configuration file; This method can only by the method for local operation before ONU opens, in the FLASH with the burned ONU of specific default configuration file, need the equipment supplier when producing, default configuration to be cured in ONU; But, after ONU opens use, if when demand changes, how to upgrade the default configuration in ONU, also be difficult to realize and operation.
Also has a kind of method in existing method, that Command Line Interface by ONU is configured, there is dual mode to sign in to the Command Line Interface of ONU terminal: (1) far-end ONU side,＜1.1〉user is connected to the computer network interface by ethernet line the LAN port of ONU, adopt local TELNET mode, sign in to ONU; Perhaps,＜1.2〉user are connected to computer by Serial Port Line the serial ports of ONU, sign in to the Command Line Interface of ONU by serial ports; (2) local side OLT side, the keeper adopts the mode of TELNET by management channels from OLT, sign in to the Command Line Interface of ONU.This method need to operate separately for each ONU, has increased the loaded down with trivial details property of operating personnel's work, is not easy to equipment is safeguarded, operator and O﹠M personnel are difficult to accept.
Summary of the invention
Technical problem to be solved by this invention is that solution ONU Configuration Online is loaded down with trivial details, not the problem of easy care.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is to provide the method for optical network unit configuration file upgrading in a kind of GPON system, realizes the Configuration Online to ONU, and the method comprises the following steps:
Steps A 1, OLT are undertaken alternately by the OMCI passage with online ONU successively, and whether obtain current ONU needs the judged result of upgrading; Do not need upgrading if judged result shows current ONU, turn steps A 6; Otherwise, turn steps A 2;
Steps A 2, OLT transmit the configuration upgrade file to current ONU;
Steps A 3, current ONU receive the configuration upgrade file and are stored in internal memory, then carry out CRC check; If by CRC check, do not turn steps A 2; Otherwise, turn steps A 4;
Steps A 4, current ONU will configure upgrade file and write in its FLASH;
Steps A 5, current ONU read the configuration upgrade file and make configuration take-effective from FLASH, and report the configuration upgrade file to upgrade successfully to OLT; Turn steps A 6;
Steps A 6, OLT judge whether current ONU is last online ONU, if it is finish upgrading; Otherwise turn steps A 1.
In said method, steps A 1 comprises the following steps:
Steps A 11, OLT send the request message that begins to configure upgrade file to current ONU by the OMCI passage, the described request message comprises corresponding suitable device type, FileVersion and the file size of configuration upgrade file;
After steps A 12, current ONU received the described request message, relatively whether " the configuring suitable device type corresponding to upgrade file " in equipment of itself type and described request message be consistent; If inconsistent, show that this configuration upgrade file can not use on current ONU, finish the upgrading processing flow process of current ONU, turn steps A 1; Otherwise further whether more current ONU configuration file version is the same with FileVersion in the described request message; If FileVersion is the same, current ONU does not need to upgrade, and finishes the upgrading processing flow process of current ONU, turns steps A 1; Otherwise current ONU is according to the document size information in the described request message, prepares to deposit the memory space of configuration upgrade file, and sends it back and answer message;
Steps A 13, OLT obtain the current ONU judged result whether needs are upgraded according to the back message using of current ONU.
In said method, in steps A 2, OLT will configure upgrade file and be split as a plurality of segmentations, be encapsulated in the OMCI message frame, send to successively current ONU, all comprise fragment sequence number and section length information in each segmentation.
In said method, steps A 3 comprises the following steps:
After steps A 31, current ONU receive the segmentation of a configuration upgrade file, be stored in as in the ready memory space of configuration upgrade file, if this segmentation receives and stores successfully, send to OLT the response message that receives the segmentation success; Otherwise, send the response message that receives minute segment fault to OLT;
Steps A 32, OLT wait for the response message that receives current ONU after sending the segmentation of a configuration upgrade file, if receive the response message that receives the segmentation success, send next segmentation; If receive that the response message or the OLT wait-for-response message that receive minute segment fault are overtime, retransmit this segmentation;
After steps A 32, OLT will configure upgrade file and all be sent, send configuration upgrade file end message to current ONU, described end message comprises length and the CRC check value that configures upgrade file;
After steps A 33, current ONU receive described end message, calculate received configuration upgrade file length and carry out verification and calculating, compare with the configuration upgrade file length that calculates and verification with configuration upgrade file length and CRC check value in end message, if it is not identical, show that the configuration upgrade file transmits unsuccessfully, turns steps A 2; Otherwise the configuration upgrade file that shown complete and correct reception of current ONU turns steps A 4.
In said method, in steps A 4, the configuration file of ONU is kept on specific subregion on the FLASH of ONU, described particular zones is comprised of subregion A and a subregion B2 subregion, one of them subregion is used for preserving up-to-date configuration file version, and another subregion is preserved configuration file last or acquiescence;
When ONU writes FLASH, need to write another subregion of corresponding current use subregion.
In said method, steps A 4 comprises the following steps:
Steps A 41, obtain the particular zones at the presently used configuration file of ONU place;
Steps A 42, the configuration upgrade file that receives is write another subregion of corresponding current use subregion;
Steps A 43, OLT arrange and wait for that ONU writes FLASH max-timeout duration according to the configuration file size;
Steps A 44, OLT start timer, regularly inquire about the FLASH state of writing of ONU;
If current ONU does not report and writes FLASH and complete, finish the upgrading processing flow process of current ONU in described max-timeout duration; Otherwise current ONU reports and writes FLASH and complete; Turn steps A 5.
In said method, steps A 5 comprises the following steps:
The update mark sequence number of the configuration file subregion after steps A 51, ONU will upgrade increases by one, is labeled as up-to-date subregion;
Steps A 52, ONU read the configuration file of up-to-date subregion, then carry out this configuration;
After steps A 53, configuration take-effective, be current use subregion with described up-to-date subregion Labelling Regions;
Steps A 54, ONU report the configuration upgrade file to upgrade successfully to OLT.
The present invention, OLT before upgrading, mutual by with ONU, the ONU that is about to upgrading is carried out basic inspection, can effectively avoid the configuration file of mistake is handed down to ONU, and avoid ONU is carried out repeated configuration, thereby effectively improve speed and the reliability that configures ONU.In addition, by the control of the side OLT of office, realize a plurality of ONU batch configuration to hanging under same OLT, unified operation is provided, facilitate operator to terminal use's management.
The present invention based on the OMCI consensus standard, due to the extensibility of configuration file, can realize the configuration of miscellaneous service, and the service to the terminal use provides variation, becomes more meticulous facilitates operator to terminal use's management.
Description of drawings
Fig. 1 is the method flow diagram of optical network unit configuration file upgrading in GPON provided by the invention system;
Fig. 2 is the flow chart of steps A 1 in the present invention;
Fig. 3 is the flow chart of ONU Reconfigurations file in the present invention.
Embodiment
The method of optical network unit configuration file upgrading in GPON provided by the invention system, OLT is before upgrading, mutual by with ONU, the ONU that is about to upgrading is carried out basic inspection, can effectively avoid the configuration file of mistake is handed down to ONU and ONU is carried out repeated configuration, thereby effectively improve speed and the reliability that configures ONU.Below in conjunction with accompanying drawing, the present invention is made detailed explanation.
As shown in Figure 1, in the GPON system, the method for optical network unit configuration file upgrading comprises the following steps:
Steps A 1, OLT are undertaken alternately by the OMCI passage with online ONU successively, and whether obtain current ONU needs the judged result of upgrading; Do not need upgrading if judged result shows current ONU, turn steps A 6; Otherwise, turn steps A 2.
Steps A 2, OLT transmit the configuration upgrade file to current ONU.
Steps A 3, current ONU receive the configuration upgrade file and are stored in internal memory, then carry out CRC check; If by CRC check, do not turn steps A 2; Otherwise, turn steps A 4.
Steps A 4, current ONU will configure upgrade file and write in its FLASH.
Steps A 5, current ONU read the configuration upgrade file and make configuration take-effective from FLASH, and report the configuration upgrade file to upgrade successfully to OLT;
Steps A 6, OLT judge whether current ONU is last online ONU, if it is finish upgrading; Otherwise turn steps A 1, next ONU is upgraded.
In above-mentioned steps, steps A 1 is one of key of the present invention, and as shown in Figure 2, concrete steps are as follows:
Steps A 11, OLT send the request message that begins to configure upgrade file to current ONU by the OMCI passage, the described request message comprises corresponding suitable device type, FileVersion and the file size of configuration upgrade file;
After steps A 12, current ONU received the described request message, relatively whether " the configuring suitable device type corresponding to upgrade file " in equipment of itself type and described request message be consistent; If inconsistent, show that this configuration upgrade file can not use on current ONU, finish the upgrading processing flow process of current ONU, turn steps A 1; Otherwise further whether more current ONU configuration file version is the same with FileVersion in the described request message; If FileVersion is the same, current ONU does not need to upgrade, and finishes the upgrading processing flow process of current ONU, turns steps A 1; Otherwise current ONU is according to the document size information in the described request message, prepares to deposit the memory space of configuration upgrade file, and sends it back and answer message;
Steps A 13, OLT obtain the current ONU judged result whether needs are upgraded according to the back message using of current ONU.
In steps A 2, OLT will configure upgrade file and be split as a plurality of segmentations, be encapsulated in the OMCI message frame, send to successively current ONU, all comprise fragment sequence number and section length information in each segmentation.
Steps A 3 is mainly completed the reception of configuration upgrade file, and concrete steps are as follows:
After steps A 31, current ONU receive the segmentation of a configuration upgrade file, be stored in as in the ready memory space of configuration upgrade file, if this segmentation receives and stores successfully, send to OLT the response message that receives the segmentation success; Otherwise, send the response message that receives minute segment fault to OLT;
Steps A 32, OLT wait for the response message that receives current ONU after sending the segmentation of a configuration upgrade file, if receive the response message that receives the segmentation success, send next segmentation; If receive that the response message or the OLT wait-for-response message that receive minute segment fault are overtime, retransmit this segmentation;
After steps A 32, OLT will configure upgrade file and all be sent, send configuration upgrade file end message to current ONU, described end message comprises length and the CRC check value that configures upgrade file;
After steps A 33, current ONU receive described end message, calculate received configuration upgrade file length and carry out verification and calculating, compare with the configuration upgrade file length that calculates and verification with configuration upgrade file length and CRC check value in end message, if it is not identical, show that the configuration upgrade file transmits unsuccessfully, turns steps A 2; Otherwise the configuration upgrade file that shown complete and correct reception of current ONU turns steps A 4.
Steps A 4 is mainly completed the configuration upgrade file is write work in the FLASH of ONU, upgrades for the ONU Configuration Online and prepares.
The configuration file of ONU is kept on specific subregion on the FLASH of ONU, described particular zones is comprised of subregion A and a subregion B2 subregion, one of them subregion is used for preserving up-to-date configuration file version, and another subregion is preserved configuration file last or acquiescence;
When ONU writes FLASH, need to write another subregion of corresponding current use subregion, namely back up subregion.If the subregion A of current use, the file that issues writes subregion B; If the subregion B of current use, the file that issues writes subregion A.
The concrete steps of steps A 4 are as follows:
Steps A 41, obtain the particular zones number at the presently used configuration file of ONU place, subregion A or subregion B;
Steps A 42, the configuration upgrade file that receives is write another subregion of corresponding current use subregion.
Steps A 43, OLT arrange and wait for that ONU writes FLASH max-timeout duration according to the configuration file size, and OLT can dynamically arrange according to the size of configuration file the max-timeout duration.
Steps A 44, OLT start timer, regularly inquire about the FLASH state of writing of ONU.
If current ONU does not report in the max-timeout duration and writes FLASH and complete, show and write the failure of configuration upgrade file, OLT finishes the upgrading processing flow process of current ONU; Otherwise current ONU reports and writes FLASH and complete, and turns steps A 5.
The groundwork of steps A 5 is that up-to-date configuration upgrade file is come into force, and as shown in Figure 3, concrete steps are as follows:
Steps A 51, the update mark sequence number of the configuration file subregion after ONU will upgrade (being current subregion this moment) increases by one, is labeled as up-to-date subregion; The update mark of configuration file subregion is used for whether this subregion of expression is up-to-date, often once configures the patch upgrading operation, increases by one on the update mark sequence number of current subregion, can judge up-to-date subregion by the value of update mark sequence number.
Steps A 52, ONU reads the configuration file of up-to-date subregion, then carries out this configuration.After configuration take-effective, the subregion (up-to-date subregion) of ONU after with local update is labeled as current use subregion.
Steps A 53, ONU reports the configuration upgrade file to upgrade successfully to OLT.
The present invention sends to ONU by the OMCI passage with configuration file in conjunction with the OMCI agreement of GPON.Due to the extensibility of configuration file content, various configurations can be provided, such as WIFI configuration, speech business configuration etc. can provide the service that becomes more meticulous for the terminal use.
And, because do not need optical network unit to reset, can realize that Configuration Online upgrades, and after optical network unit resetted, configuration came into force still.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, within all falling into protection scope of the present invention.
Claims (7)
1.GPON in system, the method for optical network unit configuration file upgrading, is characterized in that, comprises the following steps:
Steps A 1, OLT are undertaken alternately by the OMCI passage with online ONU successively, and whether obtain current ONU needs the judged result of upgrading; Do not need upgrading if judged result shows current ONU, turn steps A 6; Otherwise, turn steps A 2;
Steps A 2, OLT transmit the configuration upgrade file to current ONU;
Steps A 3, current ONU receive the configuration upgrade file and are stored in internal memory, then carry out CRC check; If by CRC check, do not turn steps A 2; Otherwise, turn steps A 4;
Steps A 4, current ONU will configure upgrade file and write in its FLASH;
Steps A 5, current ONU read the configuration upgrade file and make configuration take-effective from FLASH, and report the configuration upgrade file to upgrade successfully to OLT; Turn steps A 6;
Steps A 6, OLT judge whether current ONU is last online ONU, if it is finish upgrading; Otherwise turn steps A 1.
2. the method for optical network unit configuration file upgrading in GPON as claimed in claim 1 system, is characterized in that, steps A 1 comprises the following steps:
Steps A 11, OLT send the request message that begins to configure upgrade file to current ONU by the OMCI passage, the described request message comprises corresponding suitable device type, FileVersion and the file size of configuration upgrade file;
After steps A 12, current ONU received the described request message, relatively whether " the configuring suitable device type corresponding to upgrade file " in equipment of itself type and described request message be consistent; If inconsistent, show that this configuration upgrade file can not use on current ONU, finish the upgrading processing flow process of current ONU, turn steps A 1; Otherwise further whether more current ONU configuration file version is the same with FileVersion in the described request message; If FileVersion is the same, current ONU does not need to upgrade, and finishes the upgrading processing flow process of current ONU, turns steps A 1; Otherwise current ONU is according to the document size information in the described request message, prepares to deposit the memory space of configuration upgrade file, and sends it back and answer message;
Steps A 13, OLT obtain the current ONU judged result whether needs are upgraded according to the back message using of current ONU.
3. the method for optical network unit configuration file upgrading in GPON as claimed in claim 1 system, is characterized in that,
In steps A 2, OLT will configure upgrade file and be split as a plurality of segmentations, be encapsulated in the OMCI message frame, send to successively current ONU, all comprise fragment sequence number and section length information in each segmentation.
4. the method for optical network unit configuration file upgrading in GPON as claimed in claim 3 system, is characterized in that, steps A 3 comprises the following steps:
After steps A 31, current ONU receive the segmentation of a configuration upgrade file, be stored in as in the ready memory space of configuration upgrade file, if this segmentation receives and stores successfully, send to OLT the response message that receives the segmentation success; Otherwise, send the response message that receives minute segment fault to OLT;
Steps A 32, OLT wait for the response message that receives current ONU after sending the segmentation of a configuration upgrade file, if receive the response message that receives the segmentation success, send next segmentation; If receive that the response message or the OLT wait-for-response message that receive minute segment fault are overtime, retransmit this segmentation;
After steps A 32, OLT will configure upgrade file and all be sent, send configuration upgrade file end message to current ONU, described end message comprises length and the CRC check value that configures upgrade file;
After steps A 33, current ONU receive described end message, calculate received configuration upgrade file length and carry out verification and calculating, compare with the configuration upgrade file length that calculates and verification with configuration upgrade file length and CRC check value in end message, if it is not identical, show that the configuration upgrade file transmits unsuccessfully, turns steps A 2; Otherwise the configuration upgrade file that shown complete and correct reception of current ONU turns steps A 4.
5. the method for optical network unit configuration file upgrading in GPON as claimed in claim 1 system, is characterized in that,
In steps A 4, the configuration file of ONU is kept on specific subregion on the FLASH of ONU, described particular zones is comprised of subregion A and a subregion B2 subregion, and one of them subregion is used for preserving up-to-date configuration file version, and another subregion is preserved configuration file last or acquiescence;
When ONU writes FLASH, need to write another subregion of corresponding current use subregion.
6. the method for optical network unit configuration file upgrading in GPON as claimed in claim 4 system, is characterized in that, steps A 4 comprises the following steps:
Steps A 41, obtain the particular zones at the presently used configuration file of ONU place;
Steps A 42, the configuration upgrade file that receives is write another subregion of corresponding current use subregion;
Steps A 43, OLT arrange and wait for that ONU writes FLASH max-timeout duration according to the configuration file size;
Steps A 44, OLT start timer, regularly inquire about the FLASH state of writing of ONU;
If current ONU does not report and writes FLASH and complete, finish the upgrading processing flow process of current ONU in described max-timeout duration; Otherwise current ONU reports and writes FLASH and complete; Turn steps A 5.
7. the method for optical network unit configuration file upgrading in GPON as claimed in claim 1 system, is characterized in that, steps A 5 comprises the following steps:
The update mark sequence number of the configuration file subregion after steps A 51, ONU will upgrade increases by one, is labeled as up-to-date subregion;
Steps A 52, ONU read the configuration file of up-to-date subregion, then carry out this configuration;
After steps A 53, configuration take-effective, be current use subregion with described up-to-date subregion Labelling Regions;
Steps A 54, ONU report the configuration upgrade file to upgrade successfully to OLT.
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