CN102638361B - Network element updating device and method - Google Patents
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- CN102638361B CN102638361B CN201110037834.6A CN201110037834A CN102638361B CN 102638361 B CN102638361 B CN 102638361B CN 201110037834 A CN201110037834 A CN 201110037834A CN 102638361 B CN102638361 B CN 102638361B
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Abstract
The invention provides network element updating device and method, the device includes：Configuration management module, for when carrying out mirror image checking to the redaction OMC generated that upgraded by legacy version network management system OMC, issue to need the configuration data for the network element upgraded；Version management module, for the configuration data to be downloaded in corresponding network element respectively；Active module, for after the redaction OMC is activated, activating the configuration data downloaded in each network element, updating operation is carried out to each network element.Interaction between foreground network element and network management system can be reduced using the present invention, accelerate updating speed.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of network element updating device and method.
Background technology
In wireless communications, network management system (Operation Management Center, OMC) is mainly responsible for network element
Equipment NE is managed, including configuration network element is set, and detects failure and prompt alarm processing of network element device etc..System upgrade pair
Network element is extremely important.Except upgrade-system, in addition it is also necessary to which the configuration data to thousands of network element is upgraded, and numerous network elements
It is disposable to ask a large amount of element configuration datas to cause the greatly efficiency of reduction network management system and whole foreground network element to webmaster
Configuration data updating speed.
The upgrading mode that version has been taken at present is to first pass through legacy version OMC and carry a few days ago to distribute new edition file
To network element, upgrading is redaction as talent's upgrading OMC, and carries out bulk activation and reset to foreground version.Foreground network element batch
While the configuration data that please be looked for novelty to OMC, larger to background net management system shock after reset, and OMC handles foreground and asked one by one
Ask, the foreground network element actual upgrade time can be caused long.
For what please be look for novelty to OMC after foreground network element batch reset in the upgrading mode of existing version in correlation technique simultaneously
Configuration data, it is larger to background net management system shock, and also OMC handles foreground request one by one, can cause the actual liter of foreground network element
The problem of level time is long, not yet proposes effective solution at present.
The content of the invention
The present invention is intended to provide a kind of network element updating device and the method that network element updating is carried out using the network element updating device,
To solve the configuration number that please be look for novelty to OMC after the network element batch reset of foreground in the upgrading mode of existing version in correlation technique simultaneously
According to, it is larger to background net management system shock, and OMC handles foreground request one by one, can cause the foreground network element actual upgrade time
Long the problem of.
According to an aspect of the invention, there is provided a kind of network element updating device, including：Configuration management module, for
When carrying out mirror image checking to the redaction OMC generated that upgraded by legacy version network management system OMC, issue needs the network element upgraded
Configuration data；Version management module, for the configuration data to be downloaded in corresponding network element respectively；Active module, is used
In after the redaction OMC is activated, the configuration data downloaded in each network element is activated, upgrading behaviour is carried out to each network element
Make.
Preferably, the version management module is additionally operable to the configuration data when the legacy version OMC manages network
It is downloaded in corresponding network element.
Preferably, in addition to：Update wizard, for being verified to the configuration data, matches somebody with somebody when being verified by described
The store path information for putting data is supplied to the version management module.
Preferably, the configuration management module is additionally operable to after the configuration data is issued, and generates issued state file,
Wherein, the issued state file includes the store path information that issue successfully identified and recorded the configuration data of each network element；
The flag bit that the update wizard is additionally operable in the issued state file judge each network element configuration data whether
Issue successfully, if so, then sending the issued state file into corresponding network element, if it is not, then pointing out the configuration of the network element
Data publication fails, and notifies the configuration management module to issue the configuration data of the network element again.
Preferably, the active module is additionally operable to, when the configuration data downloaded is not present, load in the network element
The configuration data currently preserved, and updating operation is carried out to the network element using the configuration data currently preserved.
There is provided the side that a kind of application said network element update device carries out network element updating according to another aspect of the present invention
Method, including：When carrying out mirror image checking to the redaction OMC generated that upgraded by legacy version network management system OMC, configuration management module
Issue needs the configuration data for the network element upgraded；The configuration data is downloaded to corresponding net by version management module respectively
In member；After the redaction OMC is activated, active module activates the configuration data downloaded in each network element, to each net
Member carries out updating operation.
Preferably, the configuration data is downloaded in corresponding network element by the version management module respectively, including：It is described
The configuration data is downloaded in corresponding network element by version management module when the legacy version OMC manages network.
Preferably, after the configuration data for the network element that the configuration management module issue needs are upgraded, in addition to：Institute
The update wizard for stating network element updating device is verified to the configuration data, by the storage of the configuration data when being verified
Routing information is supplied to the version management module.
Preferably, the configuration management module is after the configuration data is issued, in addition to：The configuration management module
Issued state file is generated, wherein, the issued state file includes the configuration number that issue successfully identified and recorded each network element
According to store path information；The update wizard verifies to the configuration data, including：The update wizard is according to described
Flag bit in issued state file judges whether the configuration data of each network element issues success, if so, then by the issue
Status file is sent into corresponding network element, if it is not, then pointing out the configuration data of the network element to issue failure, notifies the configuration pipe
Reason module issues the configuration data of the network element again.
Preferably, active module activates the configuration data downloaded in each network element, and updating operation is carried out to each network element,
Including：When the configuration data downloaded is not present, the active module loads the configuration number currently preserved in the network element
According to, and updating operation is carried out to the network element using the configuration data currently preserved.
In embodiments of the present invention, configuration management module is in the redaction to generation of being upgraded by legacy version network management system OMC
When OMC carries out mirror image checking, issue needs the configuration data for the network element upgraded；Version management module is respectively by configuration data
It is downloaded in corresponding network element；Active module activates the configuration data downloaded in each network element after redaction OMC is activated,
Updating operation is carried out to each network element.Using the embodiment of the present invention, when needing to upgrade to a large amount of network elements, by by network element
Configuration data issue in advance and download to corresponding network element, corresponding network element is received after configuration data, can complete upgrading,
So as to reduce the interaction between foreground network element and network management system, accelerate updating speed.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the first structural representation of network element updating device according to embodiments of the present invention；
Fig. 2 is second of structural representation of network element updating device according to embodiments of the present invention；
Fig. 3 is the first process chart of network element updating method according to embodiments of the present invention；
Fig. 4 is second of process chart of network element updating method according to embodiments of the present invention；
Fig. 5 is the process chart of configuration data issue according to embodiments of the present invention；
Fig. 6 is the process chart of loading configuration flow according to embodiments of the present invention；
Fig. 7 is the process chart that configuration data according to embodiments of the present invention shifts to an earlier date downloading task；
Fig. 8 is the process chart that configuration data according to embodiments of the present invention downloads to network element；
Fig. 9 is the process chart of network element loading configuration according to embodiments of the present invention.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the present invention is described in detail.
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Mention, asked simultaneously to OMC after the network element batch reset of foreground in the upgrading mode of existing version in correlation technique
New configuration data, it is larger to background net management system shock, and also OMC handles foreground request one by one, and foreground network element can be caused real
The problem of border update time is long.In order to solve the above technical problems, the embodiments of the invention provide a kind of network element updating device,
Its structural representation as shown in figure 1, including：
Configuration management module 101, in the redaction OMC progress mirrors to generation of being upgraded by legacy version network management system OMC
During as checking, issue needs the configuration data for the network element upgraded；
Version management module 102, for configuration data to be downloaded in corresponding network element respectively；
Active module 103, for after redaction OMC is activated, the configuration data downloaded in each network element being activated, to each
Network element carries out updating operation.
In embodiments of the present invention, configuration management module is in the redaction to generation of being upgraded by legacy version network management system OMC
When OMC carries out mirror image checking, issue needs the configuration data for the network element upgraded；Version management module is respectively by configuration data
It is downloaded in corresponding network element；Active module activates the configuration data downloaded in each network element after redaction OMC is activated,
Updating operation is carried out to each network element.Using the embodiment of the present invention, when needing to upgrade to a large amount of network elements, by by network element
Configuration data issue in advance and download to corresponding network element, corresponding network element is received after configuration data, can complete upgrading,
So as to reduce the interaction between foreground network element and network management system, accelerate updating speed.
Further, it is raising ease for use, it is contemplated that the application scenarios that configuration data is downloaded are main in OMC image upgrades, institute
So that directly configuration data issue is integrated into the mirror image verification process of image upgrade flow in network management system, version management mould
The position for the file acquisition configuration data file that block passes through resolution contract, and be downloaded, user is imperceptible in whole flow process
The presence of configuration data file, reduces the operation that user participates in as far as possible.
During implementation, preferably, version management module 102 can be also used for that number will be configured when legacy version OMC manages network
According to being downloaded in corresponding network element.
In one embodiment, as shown in Fig. 2 network element updating device can also include：Update wizard 201, for
Put data to be verified, the store path information of configuration data is supplied to version management module 102 when being verified.
During implementation, preferably, configuration management module 101 can be also used for after issue configuration data, generation issue shape
State file, wherein, issued state file includes the store path letter that issue successfully identified and recorded the configuration data of each network element
Breath；The flag bit that update wizard 201 can be also used in issued state file judges whether the configuration data of each network element is sent out
Cloth success, if so, then sending issued state file into corresponding network element, if it is not, then pointing out the configuration data of the network element to send out
Cloth fails, and notifies configuration management module 101 to issue the configuration data of the network element again.
During implementation, preferably, active module 103 can be also used for when the configuration data downloaded is not present, and loading should
The configuration data currently preserved in network element, and updating operation is carried out to the network element using the configuration data currently preserved.
Based on same inventive concept, the embodiment of the present invention is additionally provided carries out network element updating using said network element update device
Method, its handling process as shown in figure 3, including：
Step S302, to by legacy version network management system OMC upgrade generation redaction OMC carry out mirror image checking when, match somebody with somebody
Put the configuration data for the network element that management module issue needs are upgraded；
Configuration data is downloaded in corresponding network element by step S304, version management module respectively；
Step S306, after redaction OMC is activated, active module activates the configuration data downloaded in each network element, right
Each network element carries out updating operation.
Step S304 is when implementing, and configuration data is downloaded in corresponding network element by version management module respectively, preferably,
Configuration data can be downloaded in corresponding network element by version management module when legacy version OMC manages network.
Configuration management module issue is needed after the configuration data for the network element upgraded, and can also carry out following operation：
The update wizard of network element updating device is verified to configuration data, puies forward the store path information of configuration data when being verified
Supply version management module.
Preferably, configuration management module can also carry out following operation after issue configuration data：Configuration management module
Issued state file is generated, wherein, issued state file includes the successful configuration data for identifying and recording each network element of issue
Store path information；Now, update wizard is verified to configuration data, and the flag bit in the issued state file is sentenced
Whether the configuration data of disconnected each network element issues success, if so, then send issued state file into corresponding network element, if it is not,
Then point out the configuration data of the network element to issue failure, notify configuration management module to issue the configuration data of the network element again.
When implementing, active module activates the configuration data downloaded in each network element, and updating operation is carried out to each network element, and
When the configuration data downloaded is not present, active module loads the configuration data currently preserved in the network element, and using currently
The configuration data of preservation carries out updating operation to the network element.
It is clearer for network element updating method provided in an embodiment of the present invention is become apparent from explaining, now with specific flow chart
It is described, refers to Fig. 4：
Step S402, legacy version OMC are managed；
Step S404, version management module shift to an earlier date download version (generally in upgrading a few days ago)；
Step S406, upgrading same day update, image upgrade；
Step S408, generation redaction OMC；
Step S410, upgrading same day update, mirror image checking, and issue configuration data；
Step S412, version management module shift to an earlier date download configuration data on the day of upgrading；
Step S414, update, mirror image activation, and it is switched to redaction OMC；
Step S416, redaction OMC adapter networks, version management module are inquired about and activate version and configuration data；
Step S418, alarm management, batch reset network element.
It is clearer for network element updating method provided in an embodiment of the present invention is become apparent from explaining, substep description is matched somebody with somebody below
The whole flow process that data are published to foreground loading from backstage is put, specific sub-module is discussed in detail.
First, in configuration data issue flow, the issue of configuration data is responsible for by configuration management module, in update wizard
Mirror image Qualify Phase, upgrading personnel carry out configuration data issue by new OMC configuration management, and update wizard is to issue result
Verified, it is ensured that after the completion of OMC upgradings, new OMC configuration data file must be that issue is successful, see Fig. 5：
Step S502, image upgrade guide start；
Step S504, mirror image generation, upgrade image；
Step S506, the issue of redaction OMC configuration managements configuration data；
Step S508, configuration data issue are checked, are verified if issuing successfully mirror image, are performed step S510, otherwise
Return to step S506；
Step S510, wait user's activation mirror image.
Secondly, in configuration data distribution and activation process, the distribution of configuration data file is with activating by version management mould
Block is responsible for, and wherein distribution phase is carried out in legacy version OMC, and activation is then carried out in redaction OMC.Redaction OMC configuration
Data are issued, but do not enter line activating also, and now front and back is legacy version.Now there is one section apart from official release switching
The configuration data of issue is downloaded to foreground by time, upgrading personnel in advance by legacy version OMC version managements, is formal switching version
Originally prepare.Upgrading starts, personnel's activation redaction OMC, redaction OMC formally adapter the whole network of upgrading, from redaction OMC inquiries
The whole network storage version, and new network element version is activated, the whole network configuration data version is inquired about, the configuration data downloaded in advance is activated.It is logical
Cross alarm interface and carry out the whole network reset, updating network element version.
Further, in configuration data loading flow, the loading of configuration data is responsible for by network element.After network element reset, first
It is confirmed whether the configuration data in the presence of activation to foreground version management VMP, if activation configuration data is present, attempts loading activation
Configuration data, otherwise load itself preservation configuration data.Load configuration flow modification as shown in Figure 6：
Step S602, selection network element issue；
Step S604, selected network element is divided into macro station and the classes of PICO two；
Step S606, call PICO processors issue PICO network element datas；
Step S608, determine whether that issue is abnormal, if so, step S614 is then performed, if it is not, then performing step S610；
Step S610, issue macro station network element data；
Step S612, determine whether that issue is abnormal, if so, step S614 is then performed, if it is not, then performing step S616；
Step S614, generation state PROPERTIES files, wherein, status=FAIL；
Step S616, generation PROPERTIES files, wherein, status=SUCCESS.
Compared with prior art, proposing for innovation of the embodiment of the present invention downloads quick upgrading by configuration data in advance
Method.During extensive edition upgrading, configuration data can be downloaded into network element in advance as downloading network element version, network element is multiple
Local configuration data is loaded directly into without being obtained from OMC behind position, reaches the purpose quickly upgraded.In image upgrade,
The mode of " the new new OMC activation of the old OMC downloads-＞ of OMC issues-＞ " is typical case's application of the embodiment of the present invention, but this method is simultaneously
This application scenarios are not limited to, user directly can also complete issue, the whole flow process downloaded, activated by new OMC.Such as exist
In patch upgrading, when OMC patches are installed and in the absence of new OMC versions, old OMC directly upgrades to new OMC after patch is installed,
Now user can also issue configuration data by new OMC configuration managements, and be downloaded and activate by version management.
When implementing, update wizard is actual respectively to have an interface with configuration management module, version management module, from configuration management
The state of data publication is obtained, the routing information of announced configuration data is provided for version management.The interface in above-mentioned design
The state and routing information that issue data are have recorded in the issued state file of fixed position, file are provided with document form.This
Sample has both unified interface, decreases the complexity (code call for not being related to intermodule) of realization.
Foreground version upgrading may be conducted batch-wise, and only a part of configuration data is downloaded in advance in mirror image Qualify Phase.New edition
After this OMC adapter network elements, configuration data is downloaded on redaction OMC, then carries out foreground version upgrading, raising efficiency can be still played
Effect.
In the mirror image Qualify Phase of update wizard, upgrading personnel are configured by the configuration management of redaction OMC mirror images
Data publication, update wizard is verified to issue result, it is ensured that after the completion of OMC image upgrades, redaction OMC configuration number
Must be that issue is successful according to file.User selection institute issue in need network element, according to NE type selection correspondingly release office
Reason device is issued, after issuing successfully, generates status file, and wherein status file explanation is issued successfully and recorded each network element and matches somebody with somebody
Put the issuing path of data.After issue failure, status file is generated, wherein Status Flag is failure.
Again, the distribution of configuration data file is responsible for activation by version management module, and wherein distribution phase is in early version
Carried out in OMC, activation is then carried out in redaction OMC.After mirror image checking, redaction OMC configuration data is issued, but also
Mirror image activation is not carried out, and now front and back is early version.Now apart from official release switching also for some time, upgrade personnel
The configuration data of issue is downloaded in advance by network element by early version OMC version managements, is that formal switching version is prepared.Wherein
Fig. 7 illustrates that configuration data shifts to an earlier date downloading task execution flow chart, including：
Step S702, OMC performs configuration data distributed tasks；
Step S704, the configuration file for obtaining correspondence network element；
Step S706, calculation document size and its CRC, update the data storehouse；
Step S708, into configuration data download flow.
Two kinds of forms are immediately performed and manually perform in the task of establishment, can be configuration to be distributed in tasks carrying
(catalogue, meeting when configuration task is deleted where version management FTP in a proprietary catalogue of the file copy into version repository
Corresponding file is deleted), calculation document size and CRC update the data storehouse, and task enters normal scheduling and performs stream
Journey, the implementation procedure of task and present consistent, when front and back agreed upon logical plate type is special value, as configuration data
Download.Feedback in the downloading process of foreground and at the end of download, the interface on backstage refreshes consistent with current distribution flow.
Fig. 8 illustrates that configuration data downloads to the flow of network element, including：
Step S802, network element receive the file download request of OMC initiations；
Step S804, take assignment file .dat, parse Task Details；
Step S806, file is taken to memory file system, step S808 is performed if success, step is performed if unsuccessful
S818；
Notify slave board synchronous from memory file system in the case that step S808, slave board are in place；
Step S810, according to file type configuration data；
The All Files recorded in step S812, deletion verInfo.ini；
Step S814, copy DBS currently used configuration data file is backed up to current directory；
Step S816, the configuration data file information updating that the configuration data file and copy of download come arrived
In verInfo.ini, and it is set to unactivated state；
Step S818, response are completed.
The download of configuration file can be multiplexed current transmission platform process completely, simply be needed when updating version information file
It is handled differently：For common controlled board version file, same type is found after downloading successfully in version information file
Standby version, cover standby colophon using redaction record, and delete standby version file；And under configuration data file
After carrying successfully, directly original configuration data file in catalogue is deleted.
Upgrading starts, and upgrading personnel's activation mirror image, formal adapter the whole networks of redaction OMC are inquired about the whole network from redaction OMC and deposited
Version is stored up, and activates redaction, the whole network configuration data version is inquired about, activates the configuration data downloaded in advance.Carried out by OMC complete
Net resets, updating network element version.The loading of configuration data is responsible for by foreground network element.After foreground resets, DBS is first to foreground version
Management VMP is confirmed whether the configuration data in the presence of activation, if activation configuration data is present, attempts the configuration number of loading activation
According to otherwise loading the configuration data preserved now.Network element loading configuration data flow modification is as shown in Figure 9：
The upper electricity of step S902, DBS；
Step S904, the configuration data for judging whether activation, if so, step S906 is then performed, if it is not, then performing step
Rapid S914；
Step S906, the configuration data of loading activation；
Step S908, judge whether loading succeeds, if so, step S910 is performed, if it is not, performing step S912；
Step S910, deposit are arrived under dbs catalogues, perform step S918；
Step S912, to background request configuration data；
Configuration data under step S914, the original dbs catalogues of loading；
Step S916, judge whether loading succeeds, if so, step S918 is performed, if it is not, performing step S912；
Electricity success on step S918, determination.
As can be seen from the above description, the present invention realizes following technique effect：
In embodiments of the present invention, configuration management module is in the redaction to generation of being upgraded by legacy version network management system OMC
When OMC carries out mirror image checking, issue needs the configuration data for the network element upgraded；Version management module is respectively by configuration data
It is downloaded in corresponding network element；Active module activates the configuration data downloaded in each network element after redaction OMC is activated,
Updating operation is carried out to each network element.Using the embodiment of the present invention, when needing to upgrade to a large amount of network elements, by by network element
Configuration data issue in advance and download to corresponding network element, corresponding network element is received after configuration data, can complete upgrading,
So as to reduce the interaction between foreground network element and network management system, accelerate updating speed.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and constituted
Network on, alternatively, the program code that they can be can perform with computing device be realized, so as to being stored in
Performed in storage device by computing device, they are either fabricated to each integrated circuit modules respectively or by them
Multiple modules or step single integrated circuit module is fabricated to realize.So, the present invention is not restricted to any specific hard
Part and software are combined.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (8)
1. a kind of network element updating device, it is characterised in that including：
Configuration management module, in the redaction OMC progress mirror image checkings to generation of being upgraded by legacy version network management system OMC
When, issue needs the configuration data for the network element upgraded；
Version management module, for the configuration data to be downloaded in corresponding network element respectively；
Active module, for after the redaction OMC is activated, the configuration data downloaded in each network element being activated, to described
Each network element carries out updating operation；
Wherein, the configuration management module is additionally operable to after the configuration data is issued, and generates issued state file, wherein,
The issued state file includes the store path information that issue successfully identified and recorded the configuration data of each network element；
Described device also includes：Update wizard, each network element is judged for the flag bit in the issued state file
Configuration data whether issue success, if so, then the issued state file is sent into corresponding network element, if it is not, then carrying
Show the configuration data issue failure of the network element, notify the configuration management module to issue the configuration data of the network element again.
2. device according to claim 1, it is characterised in that the version management module is additionally operable in the legacy version
The configuration data is downloaded in corresponding network element by OMC when managing network.
3. device according to claim 1, it is characterised in that the update wizard, for being carried out to the configuration data
Checking, the version management module is supplied to when being verified by the store path information of the configuration data.
4. the device according to any one of claims 1 to 3, it is characterised in that the active module be additionally operable to it is described
When the configuration data of download is not present, load the configuration data currently preserved in the network element, and using it is described currently preserve match somebody with somebody
Put data and updating operation is carried out to the network element.
5. the method that the network element updating device described in a kind of application claim 1 carries out network element updating, it is characterised in that including：
When carrying out mirror image checking to the redaction OMC generated that upgraded by legacy version network management system OMC, configuration management module issue
Need the configuration data of network element upgraded；
The configuration data is downloaded in corresponding network element by version management module respectively；
After the redaction OMC is activated, active module activates the configuration data downloaded in each network element, to each network element
Carry out updating operation；
The configuration management module after the configuration data is issued, in addition to：The configuration management module generation issue shape
State file, wherein, the issued state file includes the storage road that issue successfully identified and recorded the configuration data of each network element
Footpath information；
The update wizard of the network element updating device verifies to the configuration data, including：The update wizard is according to institute
State the flag bit in issued state file and judge whether the configuration data of each network element issues success, if so, then by the hair
Cloth status file is sent into corresponding network element, if it is not, then pointing out the configuration data of the network element to issue failure, notifies the configuration
Management module issues the configuration data of the network element again.
6. method according to claim 5, it is characterised in that the version management module is respectively by under the configuration data
It is loaded onto in corresponding network element, including：The version management module is when the legacy version OMC manages network by the configuration data
It is downloaded in corresponding network element.
7. method according to claim 6, it is characterised in that the configuration management module issue needs the net upgraded
After the configuration data of member, in addition to：The update wizard of the network element updating device is verified to the configuration data, is verified
By when the store path information of the configuration data is supplied to the version management module.
8. the method according to any one of claim 5 to 7, it is characterised in that active module is activated have been downloaded in each network element
Configuration data, updating operation is carried out to each network element, including：
When the configuration data downloaded is not present, the active module loads the configuration number currently preserved in the network element
According to, and updating operation is carried out to the network element using the configuration data currently preserved.
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| CN1684427A (en) * | 2004-04-14 | 2005-10-19 | 华为技术有限公司 | Method for software upgrading and withdrawing |
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| GB2373131A (en) * | 2001-03-09 | 2002-09-11 | Marconi Comm Ltd | Telecommunications networks |
| CN101022636A (en) * | 2007-03-16 | 2007-08-22 | 上海华为技术有限公司 | Device updating method and hardware device |
| CN101222367B (en) * | 2008-01-28 | 2010-09-29 | 中兴通讯股份有限公司 | Method and network guard system used for cluster network element updating version file |
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2011
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1684427A (en) * | 2004-04-14 | 2005-10-19 | 华为技术有限公司 | Method for software upgrading and withdrawing |
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| CN102638361A (en) | 2012-08-15 |
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