CN102571462B - Self-protecting method for long-distance upgrading of optical network unit - Google Patents
Self-protecting method for long-distance upgrading of optical network unit Download PDFInfo
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- CN102571462B CN102571462B CN201210098758.4A CN201210098758A CN102571462B CN 102571462 B CN102571462 B CN 102571462B CN 201210098758 A CN201210098758 A CN 201210098758A CN 102571462 B CN102571462 B CN 102571462B
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Abstract
The invention relates to a self-protecting method for long-distance upgrading of an optical network unit. When a network administrator needs to carry out long-distance edition upgrading on an optical network unit (ONU), the self-protecting of the edition upgrading of the ONU is realized by a plurality of markers stored in non-volatile storage equipment of the ONU, wherein the markers comprise an ONU start-up subarea marker, an ONU new upgrading edition marker, an ONU edition upgrading completion marker and an ONU upgrading edition verification condition marker, and the non-volatile storage equipment of the ONU is divided into two subareas for storing ONU software edition. According to the invention, the reliability of the current operation edition and the upgrading edition of the ONU is effectively guaranteed, the phenomena of random switching of the ONU start-up edition and uncontrollability of ONU engineering application edition caused by misoperation of the network administrator when the ONU is applied to different local equipment are reduced, the ONU upgrading failure problem is repaired remotely, the engineering problem solving timeliness is improved and the robustness of the ONU equipment is enhanced.
Description
Technical field
The present invention relates to EPON(Ethernet Passive Optical Network, ether passive optical-fiber network) field is the method for a kind of optical network unit remote upgrade self-shield specifically.Described optical network unit is the ONU(Optical Network Unit of user side in 10G EPON system espespecially, optical network unit).
Background technology
Under the overall background of global IT application, broadband access development rapidly.10G EPON technology has become the representative soft exchange technology of future generation with wide application prospect of industry most.Along with increasing of user of access network, the continuous dilatation of switching equipment, access net system is more and more huger, and network operation, maintenance and management cost also progressively rise, and to reliability, the controllability of terminal equipment, and fault restoration promptness is proposed higher requirement.
Current ONU remote upgrade mainly contains two kinds of methods: manually upgrading and auto-update, Fig. 1 is ONU remote upgrade block diagram in prior art.These two kinds of methods are all at OLT(optical fiber cable termination equipment) transmit upgraded version to ONU equipment, first OLT verifies upgrade file header, judge whether to match with ONU to be upgraded, if coupling, then by light path, upgraded version is transferred to ONU and upgrades.
Although prior art can reduce the probability of upgrading to ONU by mistake, but still cannot start unsuccessfully and a difficult problem for cisco unity malfunction by the ONU that causes because upgraded version is wrong of remote repairing, such as: webmaster remote upgrade ONU, if upgraded version is wrong, cause ONU to start unsuccessfully, must carry out upgrading by engineering staff scene to ONU could repair.In addition, in practical engineering application, likely due to the misoperation of webmaster cause ONU when there is no updating software release commit Software Mirroring (commit is here the technical term in " China Telecom's EPON equipment technical requirement ", and commit Software Mirroring can be regarded as and confirms to switch Software Mirroring.), so that ONU starts the uncertainty of software version, there is hidden danger in engineer applied.
Summary of the invention
For the defect existed in prior art, the object of the present invention is to provide the method for a kind of optical network unit remote upgrade self-shield, effectively can ensure the reliability of the current operation version of ONU and upgraded version, reduce ONU when being applied to different local side apparatus, because the misoperation on webmaster causes ONU to start any switching laws of version, and the ONU engineer applied version brought is uncontrollable; Meanwhile, can remote repairing ONU upgrade failure problem, improve engineering problem solve promptness, enhance the robustness of ONU equipment.
For reaching above object, the technical scheme that the present invention takes is:
A method for optical network unit remote upgrade self-shield, is characterized in that: when webmaster need carry out remote version upgrading to optical network unit ONU, by being kept at the some marks in ONU non-volatile memory device, ONU is carried out to the self-shield of edition upgrading;
Mark in the described ONU of being kept at non-volatile memory device comprises: ONU boot partition mark, ONU have version flag of newly upgrading, ONU edition upgrading completes mark and ONU upgraded version checking situation mark, these four marks are all stored in ONU non-volatile memory device, with this four mark control ONU remote upgrades and Booting sequence
Also divide in the non-volatile memory device of described ONU and have two subregions being used for storing ONU software version, one is the subregion of the current operation of program, be called primary subregion, in primary subregion, store the current ONU software version used, another subregion is then called spare partitions.
On the basis of technique scheme, described ONU remote upgrade and Booting sequence are divided into four-stage:
First stage, ONU software version remote download: when ONU completes from OLT remote download upgraded version according to the associative operation instruction of webmaster, ONU verifies the update version document head downloaded, verification content comprises: ONU hardware version numbers, ONU equipment type, if consistent with the hardware version numbers of ONU reality and device type, then can upgrade, upgraded version be write the spare partitions of ONU, otherwise return and upgrade unsuccessfully, ONU is still operated in the version before upgrading;
Second stage, ONU software version activates: when ONU receives the software version activation instruction coming from OLT, and autoboot is also run the version of new upgrading by ONU,
If the version normal operation that ONU newly upgrades, described normal operation comprises ONU equipment various functions normal operation, then webmaster can carry out upgraded version commit to ONU, and such ONU is restarted later, still starts according to the version of new upgrading;
If the version that ONU newly upgrades still can not meet various functions demand or the version in contrast before upgrading more can be used, then webmaster does not carry out upgraded version commit to ONU, is restarted by ONU, then ONU still operates in the version before upgrading;
Three phases, webmaster performs ONU software version commit(ONU software version and confirms to switch) time protection: ONU normally starts, and only when ONU has new upgraded version and operates in new upgraded version, just perform the upgraded version commit that local side issues, ONU boot partition mark is set to the subregion at new upgraded version place, otherwise boot partition mark remains unchanged;
Four-stage, protection when ONU upgraded version runs first: when ONU starts new upgraded version, if ONU system bootstrap routine starts unsuccessfully, then ONU is restarted from another subregion automatically, realizes the automatic rollback of ONU software version; If the failure of ONU application program launching, then by ONU power-off restarting, when ONU System guides, according to ONU upgraded version checking situation mark, ONU starts according to original version, and webmaster can carry out remote upgrade or other management to ONU again.
On the basis of technique scheme, during second stage, when ONU starts the version of new upgrading, before webmaster commit version, do not allow the ONU that again upgrades, can only after the new upgraded version of webmaster commit, or roll back to ONU version of just can again upgrading when original version starts.
On the basis of technique scheme, described in be arranged on two pieces of subregions in the non-volatile memory device of ONU, be denoted as Part1, Part2 respectively;
Four marks in ONU escalation process are denoted as ONU boot partition flag F lag1 respectively, ONU has new upgrading version flag Flag2, ONU edition upgrading to complete flag F lag3 and ONU upgraded version checking situation flag F lag4;
These four mark value implications respectively:
1) ONU boot partition flag F lag1:
A) state A represents Part1;
B) state B represents Part2;
2) ONU has new upgrading version flag Flag2:
A) state A represents that ONU does not have new upgraded version;
B) state B represents that ONU has new upgraded version;
3) ONU edition upgrading completes flag F lag3:
A) state A represents that ONU edition upgrading does not complete;
B) state B represents that ONU edition upgrading completes;
4) ONU upgraded version checking situation flag F lag4:
A) state A represents that ONU upgraded version is not verified;
B) state B represents that ONU upgraded version is in checking;
C) state C represents that ONU upgraded version is correct;
D) state D represents that ONU upgraded version is wrong.
On the basis of technique scheme, the default value that ONU boot partition flag F lag1, ONU have new upgrading version flag Flag2, ONU edition upgrading to complete flag F lag3 and ONU upgraded version checking situation flag F lag4 is respectively: Flag1=A, Flag2=A, Flag3=A, Flag4=A.
The method of optical network unit remote upgrade of the present invention self-shield, effectively can ensure the reliability of the current operation version of ONU and upgraded version, reduce ONU when being applied to different local side apparatus, because the misoperation on webmaster causes ONU to start any switching laws of version, and the ONU engineer applied version brought is uncontrollable; Meanwhile, can remote repairing ONU upgrade failure problem, improve engineering problem solve promptness, enhance the robustness of ONU equipment.
Accompanying drawing explanation
The present invention has following accompanying drawing:
Fig. 1: ONU remote upgrade block diagram in prior art,
Fig. 2: ONU System guides Booting sequence figure,
Fig. 3: ONU upgrading flow chart,
Fig. 4: ONU upgraded version checking flow chart,
Fig. 5: ONU upgraded version commit flow chart.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
The method of optical network unit remote upgrade of the present invention self-shield, when webmaster need carry out remote version upgrading to optical network unit ONU, by being kept at the some marks in ONU non-volatile memory device, carries out the self-shield of edition upgrading to ONU;
Mark in the described ONU of being kept at non-volatile memory device comprises: ONU boot partition mark, ONU have version flag of newly upgrading, ONU edition upgrading completes mark and ONU upgraded version checking situation mark, these four marks are all stored in ONU non-volatile memory device, with this four mark control ONU remote upgrades and Booting sequence
Also divide in the non-volatile memory device of described ONU and have two subregions being used for storing ONU software version, one is the subregion of the current operation of program, be called primary subregion, in primary subregion, store the current ONU software version used, another subregion is then called spare partitions.
On the basis of technique scheme, described ONU remote upgrade and Booting sequence are divided into four-stage:
First stage, ONU software version remote download: when ONU completes from OLT remote download upgraded version according to the associative operation instruction of webmaster, ONU verifies the update version document head downloaded, verification content comprises: ONU hardware version numbers, ONU equipment type, if consistent with the hardware version numbers of ONU reality and device type, then can upgrade, upgraded version be write the spare partitions of ONU, otherwise return and upgrade unsuccessfully, ONU is still operated in the version before upgrading; Storage of versions before described upgrading is in the primary subregion of ONU;
Second stage, ONU software version activates: when ONU receives the software version activation instruction coming from OLT, and autoboot is also run the version of new upgrading by ONU,
If the version normal operation that ONU newly upgrades, described normal operation comprises ONU equipment various functions normal operation, then webmaster can carry out upgraded version commit(upgraded version confirmation switching to ONU), such ONU is restarted later, still starts according to the version of new upgrading;
If the version that ONU newly upgrades still can not meet various functions demand or the version before in contrast upgrading more can be used, then webmaster does not carry out upgraded version commit to ONU, ONU is restarted, then ONU still operates in version (the rollback function before upgrading, ONU software version commit instruction determines whether perform by webmaster, for control ONU whether support software version rollback function; If the software that ONU newly loads is not restarted the version still used before upgrading after commit, ONU, namely achieve the rollback of ONU software version; If perform commit, restart after ONU and use new upgraded version);
When ONU starts the version of new upgrading, before webmaster commit version, do not allow the ONU that again upgrades, can only after the new upgraded version of webmaster commit, or roll back to ONU version of just can again upgrading when original version starts;
Three phases, webmaster performs ONU software version commit(ONU software version and confirms to switch) time protection: ONU normally starts, and only when ONU has new upgraded version and operates in new upgraded version, just perform the upgraded version commit that local side issues, ONU boot partition mark is set to the subregion at new upgraded version place, otherwise boot partition mark remains unchanged;
Four-stage, protection when ONU upgraded version runs first: when ONU starts new upgraded version, if ONU system bootstrap routine starts unsuccessfully, then ONU is restarted from another subregion automatically, realizes the automatic rollback of ONU software version; If the failure of ONU application program launching, then by ONU power-off restarting, when ONU System guides, according to ONU upgraded version checking situation mark, ONU starts according to original version, and webmaster can carry out remote upgrade or other management to ONU again.
On the basis of technique scheme, described in be arranged on two pieces of subregions in the non-volatile memory device of ONU, be denoted as Part1, Part2 respectively;
Four marks in ONU escalation process are denoted as ONU boot partition flag F lag1 respectively, ONU has new upgrading version flag Flag2, ONU edition upgrading to complete flag F lag3 and ONU upgraded version checking situation flag F lag4;
These four mark value implications respectively:
5) ONU boot partition flag F lag1:
A) state A represents Part1;
B) state B represents Part2;
6) ONU has new upgrading version flag Flag2:
A) state A represents that ONU does not have new upgraded version;
B) state B represents that ONU has new upgraded version;
7) ONU edition upgrading completes flag F lag3:
A) state A represents that ONU edition upgrading does not complete;
B) state B represents that ONU edition upgrading completes;
8) ONU upgraded version checking situation flag F lag4:
A) state A represents that ONU upgraded version is not verified;
B) state B represents that ONU upgraded version is in checking;
C) state C represents that ONU upgraded version is correct;
D) state D represents that ONU upgraded version is wrong.
On the basis of technique scheme, the default value that ONU boot partition flag F lag1, ONU have new upgrading version flag Flag2, ONU edition upgrading to complete flag F lag3 and ONU upgraded version checking situation flag F lag4 is respectively: Flag1=A, Flag2=A, Flag3=A, Flag4=A.
Execution mode is told about as primary subregion below for Part1.Above-mentioned mark as Flag1=A, referred to as 1A; By that analogy, such as: 4C represents Flag4=C.
As shown in Figure 2, ONU System guides Booting sequence:
A1) ONU powers on, and judge that ONU has new upgrading version flag Flag2, if when not having new upgraded version (2A), the subregion that system marks from ONU boot partition flag F lag1 starts (1A), i.e. Part1;
A2) ONU powers on, and judges that ONU has new upgrading version flag Flag2, if there is new upgraded version (2B), then judges ONU upgraded version checking situation flag F lag4;
A3) if ONU upgraded version is not for verify (4A), then arrange Flag4 for verify (4B), system starts from the subregion contrary with ONU boot partition flag F lag1, i.e. Part2;
A4) if the checking of ONU upgraded version is not by (4B), then arranging Flag4 is upgraded version wrong (4D), and the subregion that system marks from ONU boot partition flag F lag1 starts, i.e. Part1;
A5) if ONU system bootstrap routine starts unsuccessfully, then mark contrary subregion from Flag1 and start, i.e. Part2, enters flow process A7;
A6) if ONU system bootstrap routine starts successfully, then this flow process terminates;
A7) if again start the success of ONU system bootstrap routine, then revising ONU boot partition flag F lag1 is current boot partition, and this flow process terminates; Otherwise this flow process terminates.
As shown in Figure 3, ONU upgrading flow process:
B1) ONU upgraded version has been downloaded, and judges whether ONU upgrading completes;
B2) if ONU upgrading completes (3B), then mistake is returned; This flow process terminates;
B3) if ONU upgrading does not complete (3A), then verify update version document head, comprise ONU hardware version, ONU equipment type;
B4) if the verification of ONU upgraded version is passed through, then upgraded version is write the spare partitions of ONU non-volatile memory device, namely Part2, ONU upgrade successfully; Enter flow process B6;
B5) if the verification of ONU upgraded version is not passed through, then return mistake, ONU upgrades unsuccessfully; This flow process terminates;
B6) arranging that ONU has new upgrading version flag Flag2 for there being new upgraded version (2B), ONU edition upgrading completes flag F lag3 and completes (3B) for upgrading, being saved in non-volatile memory device; Receive after the activation instruction that OLT issues until ONU, ONU is restarted; This flow process terminates.
As shown in Figure 4, ONU upgraded version checking flow process:
C1) ONU system initialization completes, and judge that ONU edition upgrading completes flag F lag3, if ONU edition upgrading does not complete (3A), then this flow process terminates;
C2) if ONU edition upgrading completes (3B), judge ONU new upgraded version verification mark Flag4, if new upgraded version is in (4B) in checking, then arranging Flag4 is that upgraded version is verified (4C), enters flow process C5;
C3) if new upgraded version is verified (4C or 4D), empty ONU and upgrade mark and upgraded version verification mark (3A, 4A), enter flow process C5;
C4) if new upgraded version is not verified (4A), then this flow process terminates;
C5) empty ONU and have new upgrading version flag Flag2 (2A), this flow process terminates.
As shown in Figure 5, ONU upgraded version commit flow process:
D1) ONU receives commit message, judges that ONU edition upgrading completes flag F lag3, if upgrading does not complete (3A), then ONU boot partition flag F lag1 value is constant, and this flow process terminates;
D2) ONU receives commit message, judge that ONU edition upgrading completes flag F lag3, if upgrading completes (3B), then arranging ONU startup flag F lag1 is the subregion that this indicia point is contrary, i.e. Part2, empty ONU edition upgrading simultaneously and complete flag F lag3 and ONU upgraded version verification mark Flag4(3A, 4A), this flow process terminates.
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 (4)
1. the method for optical network unit remote upgrade self-shield, webmaster it is characterized in that: when need carry out remote version upgrading to optical network unit ONU, by being kept at the some marks in ONU non-volatile memory device, ONU is carried out to the self-shield of edition upgrading;
Mark in the described ONU of being kept at non-volatile memory device comprises: ONU boot partition mark, ONU have version flag of newly upgrading, ONU edition upgrading completes mark and ONU upgraded version checking situation mark, these four marks are all stored in ONU non-volatile memory device, with this four mark control ONU remote upgrades and Booting sequence
Also divide in the non-volatile memory device of described ONU and have two subregions being used for storing ONU software version, one is the subregion of the current operation of program, be called primary subregion, in primary subregion, store the current ONU software version used, another subregion is then called spare partitions;
Described ONU remote upgrade and Booting sequence are divided into four-stage:
First stage, ONU software version remote download: when ONU completes from OLT remote download upgraded version according to the associative operation instruction of webmaster, ONU verifies the update version document head downloaded, verification content comprises: ONU hardware version numbers, ONU equipment type, if consistent with the hardware version numbers of ONU reality and device type, then can upgrade, upgraded version be write the spare partitions of ONU, otherwise return and upgrade unsuccessfully, ONU is still operated in the version before upgrading;
Second stage, ONU software version activates: when ONU receives the software version activation instruction coming from OLT, and autoboot is also run the version of new upgrading by ONU,
If the version normal operation that ONU newly upgrades, described normal operation comprises ONU equipment various functions normal operation, then webmaster can carry out upgraded version commit to ONU, and such ONU is restarted later, still starts according to the version of new upgrading;
If the version that ONU newly upgrades still can not meet various functions demand or the version in contrast before upgrading more can be used, then webmaster does not carry out upgraded version commit to ONU, is restarted by ONU, then ONU still operates in the version before upgrading;
Three phases, webmaster performs protection during ONU software version commit: ONU normally starts, and only when ONU has new upgraded version and operates in new upgraded version, just perform the upgraded version commit that local side issues, ONU boot partition mark is set to the subregion at new upgraded version place, otherwise boot partition mark remains unchanged;
Four-stage, protection when ONU upgraded version runs first: when ONU starts new upgraded version, if ONU system bootstrap routine starts unsuccessfully, then ONU is restarted from another subregion automatically, realizes the automatic rollback of ONU software version; If the failure of ONU application program launching, then by ONU power-off restarting, when ONU System guides, according to ONU upgraded version checking situation mark, ONU starts according to original version, and webmaster can carry out remote upgrade or other management to ONU again.
2. the method for optical network unit remote upgrade self-shield as claimed in claim 1; it is characterized in that: during second stage; when ONU starts the version of new upgrading; before webmaster commit version; do not allow the ONU that again upgrades; can only after the new upgraded version of webmaster commit, or roll back to ONU version of just can again upgrading when original version starts.
3. the method for optical network unit remote upgrade self-shield as claimed in claim 1, is characterized in that: described in be arranged on two pieces of subregions in the non-volatile memory device of ONU, be denoted as Part1, Part2 respectively;
Four marks in ONU escalation process are denoted as ONU boot partition flag F lag1 respectively, ONU has new upgrading version flag Flag2, ONU edition upgrading to complete flag F lag3 and ONU upgraded version checking situation flag F lag4;
These four mark value implications respectively:
1) ONU boot partition flag F lag1:
A) state A represents Part1;
B) state B represents Part2;
2) ONU has new upgrading version flag Flag2:
A) state A represents that ONU does not have new upgraded version;
B) state B represents that ONU has new upgraded version;
3) ONU edition upgrading completes flag F lag3:
A) state A represents that ONU edition upgrading does not complete;
B) state B represents that ONU edition upgrading completes;
4) ONU upgraded version checking situation flag F lag4:
A) state A represents that ONU upgraded version is not verified;
B) state B represents that ONU upgraded version is in checking;
C) state C represents that ONU upgraded version is correct;
D) state D represents that ONU upgraded version is wrong.
4. the method for optical network unit remote upgrade self-shield as claimed in claim 3; it is characterized in that: the default value that ONU boot partition flag F lag1, ONU have new upgrading version flag Flag2, ONU edition upgrading to complete flag F lag3 and ONU upgraded version checking situation flag F lag4 is respectively: Flag1=A; Flag2=A; Flag3=A, Flag4=A.
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Families Citing this family (10)
| 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 |
| CN103677902A (en) * | 2013-11-25 | 2014-03-26 | 上海斐讯数据通信技术有限公司 | Method for ensuring safety and success of updating of line-card software in distributed OLT system |
| CN103607238B (en) * | 2013-12-04 | 2016-06-29 | 中国联合网络通信集团有限公司 | Optical network system |
| CN106330450A (en) * | 2015-07-03 | 2017-01-11 | 云网阳光(北京)科技有限公司 | Electronic payment reinforcement system |
| CN107707411A (en) * | 2017-10-30 | 2018-02-16 | 深圳市飞鸿光电子有限公司 | The upgrade method and system of a kind of EPON |
| CN108021381A (en) * | 2017-12-06 | 2018-05-11 | 锐捷网络股份有限公司 | The upgrading method for one-chip computer and device of equipment |
| CN109347937B (en) * | 2018-10-09 | 2021-08-27 | 深圳市亿联智能有限公司 | Intelligent remote upgrading method applied to video monitoring equipment |
| CN109597639B (en) * | 2018-12-04 | 2022-07-05 | 深圳市创维软件有限公司 | Software upgrading method, device, equipment and medium |
| CN109495798B (en) * | 2018-12-14 | 2021-10-22 | 深圳创维数字技术有限公司 | ONU system upgrading method, device, equipment and computer readable storage medium |
| CN111309388B (en) * | 2020-02-03 | 2023-07-21 | 杭州迪普科技股份有限公司 | Automatic rollback system and method for system software version of equipment |
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