CN102195798B - A kind of method and system of optical network unit of upgrading - Google Patents
A kind of method and system of optical network unit of upgrading Download PDFInfo
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Abstract
The invention discloses a kind of method of optical network unit of upgrading, the method comprises: the release content of the ONU that needs are upgraded by OLT carries out segmentation and numbers; ONU judges whether that needs are upgraded, if do not needed, then cancels upgrading, if needed, then checks whether the release content that download does not complete; ONU sends download request according to the situation downloading the release content do not completed; OLT sends release content according to download request; Autoboot after ONU receives all versions content also loads new version file, completes upgrading; The invention also discloses a kind of system of optical network unit of upgrading, based on method and system of the present invention, can realize the quantity of the ONU that OLT Maintenance free is being upgraded at present and the upgrade status of each ONU, what make the upgrading of ONU become very is convenient flexibly.
Description
Technical field
The present invention relates to EPON (XPON) field, refer to a kind of method and system of optical network unit of upgrading especially.
Background technology
Ethernet passive optical network (EPON) technology is the emerging broadband passive optical network technology based on Ethernet, and its essence is the extension of Ethernet in Access Network field.Fig. 1 is EPON system topological diagram, and as shown in Figure 1, EPON is one-to-many structure on physical topology, and is connected by optical splitter (Splitter), is then logically structure one to one.The downlink data that optical line terminal (OLT) sends is by broadcasting method transmission, and all optical network units (ONU) can receive all downlink data frames from OLT; Be then the mode of time division multiple access (TDMA) during uplink, each ONU only sends upstream data in uplink authorization time slot that OLT is its distribution.
What arrange along with EPON product does not stop ripe and promotes commercial, also day by day frequent to the upgrading work of existing EPON terminal equipment.The upgrade method of tradition ONU is field upgrade, and this method also exists very large shortcoming: under normal conditions, and each ONU hung under OLT geographically compares dispersion mostly, also distant with the distance of OLT; When there being a lot of ONU, such as: 32 or 64, field upgrade one by one, not only time-consuming, but also to require great effort.
At present, a kind of upgrade method is had to be solution for this problem: be placed on OLT by the upgraded version of ONU exactly, ONU downloads target version automatically, and upgrades.But, this method brings again new problem: ONU, in version downloading process, understands because various reason failed download, after each version failed download, all to again start anew to download, which increase unnecessary bandwidth waste and upgrade consuming time.
Summary of the invention
In view of this, main purpose of the present invention is the method and system providing a kind of optical network unit of upgrading, and automatically can detect whether ONU has the upgrading do not completed, and the updating operation that can continue last time completes version download upgrading, and then supports breakpoint transmission.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of method of optical network unit of upgrading, described method comprises:
The release content of the ONU needing upgrading is carried out segmentation and numbers by OLT;
When ONU determines to need upgrading, check whether the release content that download does not complete, and send download request according to the situation downloading the release content do not completed, OLT sends release content according to download request;
After ONU receives all versions content, autoboot also loads new version file, completes upgrading.
Wherein, the described situation according to downloading the release content do not completed sends download request, also comprise: check the release content whether having download not complete in temporary file district, if do not had, then send and carry the download request that target segment number is set to original position, if had, then check the version information of the release content do not completed, described ONU version and the relevant information needing upgrading of preserving on OLT, then remove the version file do not completed, and the download request that target segment number is set to original position is carried in transmission, otherwise, last fragment number according to the version file do not completed sends download request.
Wherein, last fragment number of the version file that described basis does not complete sends download request, and specifically, ONU reads last fragment number of the version file do not completed, and fragment number is added one, is set to initial target fragment number.
Wherein, the release content of the ONU needing upgrading is carried out segmentation and before numbering, also comprises by described OLT, and OLT preserves the ONU version and relevant information that need upgrading.
Wherein, described ONU determines to need upgrading to be specially: ONU, according to self model and current operation version information, judges whether that needs are upgraded, if the version that current operation version stores than OLT is Zao, then check whether the release content that download does not complete, otherwise cancel upgrading.
Wherein, before described ONU receives all versions content, described method also comprises: ONU is by release content and the last fragment number write temporary file district that downloaded.
Present invention also offers a kind of system of optical network unit of upgrading, described system comprises: release content segmentation and numbering module, release content sending module, starting and upgrading module, upgrade execution module, release content receiver module and temporary file memory module, wherein
Described release content segmentation and numbering module, be arranged in OLT, for carrying out segmentation to the release content of ONU, and is numbered, and provide the release content after segmentation for described release content sending module;
Described release content sending module, is arranged in OLT, for receiving the download request that described upgrade execution module sends, reading and issue release content information to release content receiver module according to the target segment in download request number;
Described starting and upgrading module, is arranged in ONU, for starting the firmware upgrade of ONU, obtains the ONU version information needing upgrading, needs to send instruction to upgrade execution module during upgrading, does not need to cancel upgrading during upgrading;
Described upgrade execution module, is arranged in ONU, for receive described starting and upgrading module instruction after, inquire about not completing file in described temporary file memory module, send download request to release content sending module according to Query Result;
Described temporary file memory module, is arranged in ONU, the release content forwarded for storage version content receiver module and the last fragment number downloaded;
Described release content receiver module, is arranged in ONU, for receiving the release content information that release content sending module sends, and the last fragment number being ONU storage version content and having downloaded, restart after finishing receiving and load new version file, completing upgrading.
Wherein, described system also comprises: version and relevant information memory module, being arranged in OLT, for preserving the ONU version and relevant information that need upgrading, and providing the ONU version and relevant information needing to upgrade for release content segmentation and numbering module and starting and upgrading module.
The method and system of upgrading optical network unit provided by the present invention, by carrying out segmentation to the release content that OLT stores and number, the file needed for ONU upgrading is deposited in OLT segmentation, in escalation process, whether ONU can detect temporary file district the upgrade file do not completed, OLT can receive the download request of any ONU to any target segment, simultaneously can by reading last fragment number of the upgrade file do not completed, and the updating operation continuing last time completes version download and upgrading.The quantity of ONU that OLT does not need maintenance upgrading at present and the upgrade status of each ONU, make the upgrading of ONU become very flexible, convenient.
Accompanying drawing explanation
Fig. 1 is EPON system topological structure schematic diagram;
Fig. 2 is that the present invention upgrades the method flow schematic diagram of optical network unit;
Fig. 3 is that the present invention upgrades the system configuration schematic diagram of optical network unit.
Embodiment
Basic thought of the present invention is: the release content of the ONU needing upgrading is carried out segmentation and numbers by OLT; ONU determines, when needs are upgraded, to check whether the release content that download does not complete, and sends download request according to the situation downloading the release content do not completed, and OLT sends release content according to download request; Autoboot after ONU receives all versions content also loads new version file, completes upgrading.
Below in conjunction with the drawings and specific embodiments, the technical solution of the present invention is further elaborated.
Fig. 2 is that the present invention upgrades the method flow schematic diagram of optical network unit, and as shown in Figure 2, described method specifically comprises the following steps:
Step 201, OLT preserves the ONU version needing upgrading and relevant information;
Concrete, described ONU version and relevant information comprise: the ONU model corresponding to version, version name, version number, version size and release content etc.
Step 202, carries out segmentation to the release content of ONU, and is numbered;
Concrete, carry out segmentation to the release content of the ONU that OLT stores, in order to meet the needs of transmission, the size of every section should be not more than the maximum bag length of Ethernet, can be set to 1500 bytes; Such as: the release content size of ONU is 22500010 bytes, be then divided into 1501 sections, it is numbered 1 to 1501, and the size of final stage is only 10 bytes.
Step 203, ONU starts firmware upgrade, needs the ONU version information of upgrading to OLT inquiry at present;
Concrete, described ONU version information specifically comprises: the ONU model corresponding to version, version name, version number, version size etc.
Step 204, ONU, according to the model of self and current operation version information, judges whether that needs are upgraded, if the version that current operation version stores early than OLT, then performs step 205, otherwise, cancel upgrading, terminate current handling process;
Concrete, if the version information of the corresponding ONU model that OLT stores is identical with ONU current version information or more early, in this case do not need to carry out updating operation; If the version information of the corresponding ONU model of the upper storage of OLT is later than ONU current version information, in this case need to start to upgrade.
Step 205, ONU is confirmed whether the version file that download does not complete, if do not had, then performs step 206, otherwise, perform step 207;
Concrete, ONU inquire about self temporary file district, whether stores the version file that download does not complete in confirmation temporary file district.
Step 206, initial target fragment number is set to original position by ONU, performs step 210;
Concrete, original position refers to first number of the segmentation of the ONU release content of the needs upgrading that OLT stores, such as: " 1 ".
Step 207, checks the version information not completing version file, for the version of upgrading, then can perform step 208 on current OLT, if current OLT for the version of upgrading, then can perform step 209;
Step 208, ONU removes the version file do not completed in temporary file district, and initial target fragment number is set to original position, performs step 210;
Step 209, ONU, according to last fragment number of the version file do not completed, arranges initial target fragment number;
Concrete, ONU reads last fragment number of the version file do not completed, and fragment number is added one, is set to initial target fragment number.Such as: last fragment number downloaded is 1000, then initial target fragment number is set to 1001.
Step 210, ONU sends the download request of carrying initial target fragment number to OLT;
Step 211, the release content of initial target fragment number is sent to ONU by OLT;
Step 212, ONU continues to download remaining release content;
Concrete, target segment number is set to current fragment number at every turn and adds one after receiving the release content of OLT transmission by ONU, and request next frame, until downloaded all versions.In downloading process, timing release content and the last fragment number downloaded can be write temporary file district.
Wherein, timing write can be set to real-time write or when fragment number is fixed value, write temporary file district.
Step 213, ONU autoboot also loads new version file, completes upgrading.
Method described in above-mentioned steps 205 to step 209 embodies, the temporary file district of ONU energy Automatic inquirying self, and contrast the version information of the version file do not completed wherein stored, when confirm that the version file that do not complete and OLT provide identical time, initial target fragment number is set according to last fragment number, achieves breakpoint transmission.
Fig. 3 is that the present invention upgrades the system configuration schematic diagram of optical network unit, as shown in Figure 3, described system comprises: version and relevant information memory module 31, release content segmentation and numbering module 32, release content sending module 33, starting and upgrading module 34, upgrade execution module 35, temporary file memory module 36 and release content receiver module 37, wherein
Version and relevant information memory module 31, be arranged in OLT, for preserving the ONU version and relevant information that need upgrading, and provides the ONU version and relevant information needing to upgrade for release content segmentation and numbering module 32 and starting and upgrading module 34;
Concrete, described ONU version and relevant information comprise: the ONU model corresponding to version, version name, version number, version size and release content etc.Version and relevant information memory module 31 provide release content, for starting and upgrading module 34 provides information such as ONU model, version name, version number, version size etc. corresponding to version for release content segmentation and numbering module 32.
Here, described version and relevant information memory module 31 are optional module, and ONU version and the relevant information of described needs upgrading also can directly be stored in release content segmentation and numbering module 32.
Release content segmentation and numbering module 32, be arranged in OLT, for carrying out segmentation to the release content of ONU, and is numbered, and provide the release content after segmentation for release content sending module 33;
Concrete, carry out segmentation to the release content of the ONU that OLT stores, in order to meet the needs of transmission, the size of every section should be not more than the maximum bag length of Ethernet, can be set to 1500 bytes.Such as: the release content size of ONU is 22500010 bytes, be then divided into 1501 sections, it is numbered 1 to 1501, and the size of final stage is only 10 bytes.
Release content sending module 33, is arranged in OLT, for receiving the download request that upgrade execution module 35 sends, reading and issue release content information to release content receiver module 37 according to the target segment in download request number;
Starting and upgrading module 34, is arranged in ONU, for starting the firmware upgrade of ONU, obtain the ONU version information needing in version and relevant information memory module 31 to upgrade, judge whether that needs are upgraded, send instruction when needing to upgrade execution module 35, when not needing, cancel upgrading;
Concrete, described ONU version information specifically comprises: the ONU model corresponding to version, version name, version number, version size etc.If the version information of the corresponding ONU model that version and relevant information memory module 31 store is identical with ONU current version information or more morning, in this case do not need to carry out updating operation; If the version information of the corresponding ONU model that version and relevant information memory module 31 store is more late than ONU current version information, in this case start to upgrade.
Upgrade execution module 35, is arranged in ONU, for receive starting and upgrading module 34 instruction after, do not complete file in inquiry temporary file memory module 36, according to Query Result, send download request to release content sending module 33;
Concrete, if do not complete file in temporary file memory module 36, then sending initial target fragment number is the download request of original position, such as: initial target fragment number is " 1 "; If do not complete file in temporary file memory module 36, then check the version information not completing version file, for the version of upgrading, then can remove the version file do not completed in temporary file memory module 36, and initial target fragment number be set to original position on current OLT; If can for the version of upgrading on current OLT, then according to last fragment number of the version file do not completed, initial target fragment number is set, be specially and last fragment number is added one, such as: last fragment number downloaded is 1000, then initial target fragment number is set to 1001.
Temporary file memory module 36, is arranged in ONU, the release content forwarded for storage version content receiver module 37 and the last fragment number downloaded;
Release content receiver module 37, be arranged in ONU, for receiving the release content information that release content sending module 33 sends, and storage version content and the last fragment number downloaded are to temporary file memory module 36, restart after finishing receiving and load new version file, completing upgrading.
Concrete, target segment number is set to current fragment number and adds one after receiving the release content of release content sending module 33 transmission by release content receiver module 37, and request next frame, until downloaded all versions.In downloading process, timing release content and the last fragment number downloaded can be write temporary file memory module 36.Wherein, timing write can be set to write in real time or when fragment number is fixed value, write temporary file memory module 36.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. upgrade the method for optical network unit, it is characterized in that, described method comprises:
The release content of the ONU needing upgrading is carried out segmentation and numbers by OLT;
When ONU determines to need upgrading, check whether the release content that download does not complete, and send download request according to the situation downloading the release content do not completed, OLT sends release content according to download request;
After ONU receives all versions content, autoboot also loads new version file, completes upgrading;
The described situation according to downloading the release content do not completed sends download request, also comprises:
Check the release content whether having download not complete in temporary file district, if do not had, then send and carry the download request that target segment number is set to original position, if had, then check the version information of the release content do not completed, described ONU version and the relevant information needing upgrading of preserving on OLT, then remove the version file do not completed, and the download request that target segment number is set to original position is carried in transmission, otherwise last fragment number according to the version file do not completed sends download request.
2. method according to claim 1, is characterized in that, last fragment number of the version file that described basis does not complete sends download request, specifically, ONU reads last fragment number of the version file do not completed, and fragment number is added one, is set to initial target fragment number.
3. method according to claim 1, is characterized in that, the release content of the ONU needing upgrading is carried out segmentation and before numbering, also comprises by described OLT, and OLT preserves the ONU version and relevant information that need upgrading.
4. method according to claim 1, it is characterized in that, described ONU determines to need upgrading to be specially: ONU is according to self model and current operation version information, judge whether that needs are upgraded, if the version that current operation version stores than OLT is Zao, then check whether the release content that download does not complete, otherwise cancel upgrading.
5. method according to claim 1, is characterized in that, before described ONU receives all versions content, described method also comprises: ONU is by release content and the last fragment number write temporary file district that downloaded.
6. the system of an optical network unit of upgrading, it is characterized in that, described system comprises: release content segmentation and numbering module, release content sending module, starting and upgrading module, upgrade execution module, release content receiver module and temporary file memory module, wherein
Described release content segmentation and numbering module, be arranged in OLT, for carrying out segmentation to the release content of ONU, and is numbered, and provide the release content after segmentation for described release content sending module;
Described release content sending module, is arranged in OLT, for receiving the download request that described upgrade execution module sends, reading and issue release content information to release content receiver module according to the target segment in download request number;
Described starting and upgrading module, is arranged in ONU, for starting the firmware upgrade of ONU, obtains the ONU version information needing upgrading, needs to send instruction to upgrade execution module during upgrading, does not need to cancel upgrading during upgrading;
Described upgrade execution module, is arranged in ONU, for receive described starting and upgrading module instruction after, inquire about not completing file in described temporary file memory module, send download request to release content sending module according to Query Result;
Described temporary file memory module, is arranged in ONU, the release content forwarded for storage version content receiver module and the last fragment number downloaded;
Described release content receiver module, is arranged in ONU, for receiving the release content information that release content sending module sends, and the last fragment number being ONU storage version content and having downloaded, restart after finishing receiving and load new version file, completing upgrading;
Described upgrade execution module, specifically for checking the release content whether having download not complete in described temporary file memory module, send when not having and carry the download request that target segment number is set to original position, sometimes the version information of the release content do not completed is checked, when not being ONU version and the relevant information of the described needs upgrading that OLT preserves, remove the version file do not completed, and the download request that target segment number is set to original position is carried in transmission, is, last fragment number according to the version file do not completed sends download request.
7. system according to claim 6, it is characterized in that, described system also comprises: version and relevant information memory module, be arranged in OLT, for preserving the ONU version and relevant information that need upgrading, and provide the ONU version and relevant information needing to upgrade for release content segmentation and numbering module and starting and upgrading module.
8. system according to claim 6, is characterized in that, last fragment number of the version file that described basis does not complete sends download request, specifically, ONU reads last fragment number of the version file do not completed, and fragment number is added one, is set to initial target fragment number.
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103634710B (en) * | 2012-08-29 | 2017-12-29 | 华为终端有限公司 | A kind of method and apparatus of load application version file |
| CN104579719B (en) * | 2013-10-10 | 2019-07-19 | 中兴通讯股份有限公司 | A kind of upgrade method and system, host computer and optical module of firmware |
| EP3079279B1 (en) * | 2013-12-23 | 2019-02-20 | Huawei Technologies Co., Ltd. | Method and device for upgrading system |
| CN106507224B (en) * | 2015-09-08 | 2020-02-07 | 中国移动通信集团设计院有限公司 | Method and related device for acquiring target file |
| CN107864414B (en) * | 2017-10-20 | 2020-06-26 | 深圳市新格林耐特通信技术有限公司 | ONU customized version switching method and device, storage medium and computer equipment |
| CN109766111A (en) * | 2018-12-30 | 2019-05-17 | 惠州华阳通用电子有限公司 | A kind of upgrade file generating means and its upgrade method |
| CN113709195B (en) * | 2020-05-20 | 2024-05-28 | 广州汽车集团股份有限公司 | Vehicle software upgrading method, device and system |
| CN114339492B (en) * | 2021-12-31 | 2024-02-13 | 博为科技有限公司 | ONU equipment upgrading method and related equipment |
| CN114697216A (en) * | 2022-05-31 | 2022-07-01 | 深圳市华迅光通信有限公司 | Upgrading method and device for passive optical network equipment and readable storage medium |
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