CN106817259A - The upgrade method and device of VSM systems - Google Patents
The upgrade method and device of VSM systems Download PDFInfo
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- CN106817259A CN106817259A CN201710034837.1A CN201710034837A CN106817259A CN 106817259 A CN106817259 A CN 106817259A CN 201710034837 A CN201710034837 A CN 201710034837A CN 106817259 A CN106817259 A CN 106817259A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
- H04L41/082—Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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Abstract
The application provides the upgrade method and device of a kind of VSM systems, and the VSM systems include a main equipment and at least one slave unit；Methods described is applied to main equipment, can include：When upgrade command is received, download system version file；System version file according to downloading is upgraded to the main equipment, and the system version file of download is respectively sent into each slave unit, and itself is upgraded according to the system version file with by each slave unit.By the technical scheme of the application, the liter stage efficiency to VSM systems can be lifted.
Description
Technical field
The application is related to communication technique field, more particularly to a kind of VSM systems upgrade method and device.
Background technology
VSM (virtual switch matrix, virtual switch matrix) is that one kind virtually (passes through many network equipments
Physical port is coupled together) into a new network device virtualization technology for the network equipment.VSM systems by a main equipment and
At least one slave unit is constituted.
In the prior art, when each network equipment is upgraded in VSM systems, it is necessary to all-network equipment (bag
Include main equipment and slave unit) respectively perform download system version file operation.
However, because all-network equipment is required for individually performing down operation, causing to reduce a liter stage efficiency.
The content of the invention
In view of this, the application provides the upgrade method and device of a kind of VSM systems, can solve in VSM systems
When each network equipment is upgraded, the problem of its upgrading inefficiency.
To achieve the above object, the application offer technical scheme is as follows：
According to the first aspect of the application, it is proposed that a kind of upgrade method of VSM systems, the VSM systems include one
Main equipment and at least one slave unit；Methods described is applied to main equipment, including：
When upgrade command is received, download system version file；
System version file according to downloading is upgraded to the main equipment, and the system version file difference that will be downloaded
Send to each slave unit, itself is upgraded according to the system version file with by each slave unit.
According to the second aspect of the application, it is proposed that a kind of upgrade method of VSM systems, the VSM systems include one
Main equipment and at least one slave unit；Methods described is applied to slave unit, including：
Receive the system version file that main equipment sends, the system version file is by the main equipment according to receiving
Upgrade command is downloaded and obtained；Wherein, the system version file is also respectively sent to other slave units by the main equipment；
The slave unit is upgraded according to the system version file.
According to the third aspect of the application, it is proposed that a kind of update device of VSM systems, the VSM systems include one
Main equipment and at least one slave unit；Described device is applied to main equipment, including：
Download unit, when upgrade command is received, download system version file；
Upgrade unit, upgrades according to the system version file downloaded to the main equipment, and the system version that will be downloaded
Presents is respectively sent to each slave unit, and itself is upgraded according to the system version file with by each slave unit.
According to the fourth aspect of the application, it is proposed that a kind of update device of VSM systems, the VSM systems include one
Main equipment and at least one slave unit；Described device is applied to slave unit, including：
Receiving unit, receives the system version file that main equipment sends, and the system version file is by the main equipment root
Downloaded according to the upgrade command for receiving and obtained；Wherein, the system version file is also respectively sent to other by the main equipment
Slave unit；
Upgrade unit, upgrades according to the system version file to the slave unit.
From above technical scheme, in the technical scheme of the application, by main equipment download system version file and general
The system version file of download is sent respectively to each slave unit, and behaviour is downloaded to cause that each slave unit need not individually go to perform
Make, so as to improve the liter stage efficiency to VSM systems.
Brief description of the drawings
Fig. 1 is the structural representation of the VSM systems being made up of frame type equipment.
Fig. 2 is the structural representation of the VSM systems being made up of box-shaped device.
Fig. 3 is the flow of the upgrade method of the VSM systems based on main equipment side shown in the exemplary embodiment of the application one
Figure.
Fig. 4 is the flow of the upgrade method of the VSM systems based on slave unit side shown in the exemplary embodiment of the application one
Figure.
Fig. 5 is a kind of flow chart of the upgrade method of the VSM systems shown in the exemplary embodiment of the application one.
Fig. 6 is a kind of structural representation of the electronic equipment based on main equipment side shown in the exemplary embodiment of the application one
Figure.
Fig. 7 is a kind of block diagram of the update device of the VSM systems shown in the exemplary embodiment of the application one.
Fig. 8 is a kind of structural representation of the electronic equipment based on slave unit side shown in the exemplary embodiment of the application one
Figure.
Fig. 9 is the block diagram of the update device of another VSM systems shown in the exemplary embodiment of the application one.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in implementation method do not represent all implementation methods consistent with the application.Conversely, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects described in detail in claims, the application.
It is the purpose only merely for description specific embodiment in term used in this application, and is not intended to be limiting the application.
" one kind ", " described " and " being somebody's turn to do " of singulative used in the application and appended claims is also intended to include majority
Form, unless context clearly shows that other implications.It is also understood that term "and/or" used herein refers to and wraps
May be combined containing one or more associated any or all of project listed.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the application
A little information should not necessarily be limited by these terms.These terms are only used for being distinguished from each other open same type of information.For example, not departing from
In the case of the application scope, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining ".
VSM systems can be made up of frame type equipment, it is also possible to be made up of box-shaped device.Fig. 1 is illustrated that by frame type equipment
The VSM systems of composition, refer to Fig. 1, and the VSM systems in Fig. 1 are made up of 3 frame type equipments, respectively main equipment, slave unit 1,
Slave unit 2.Wherein, one piece of main control board and one piece of slave control board are included in every frame type equipment.In to the VSM systems
Every frame type equipment when being upgraded, it is necessary to each frame type equipment performs the operation of download system version file respectively.Specifically
, main equipment first by management network port download system version file, it is to be downloaded finish after downloaded by slave unit again.Due to being in
The management network port of each slave unit in VSM systems be in down states, so need according to predefined order (can not simultaneously by
All slave units exit VSM systems, and otherwise VSM systems will malfunction) slave unit is exited from VSM systems respectively, and make management
After network interface is in up states, then the slave unit of up states is in by exiting VSM systems and management network port goes to perform down operation, treat
Download rejoins VSM systems again after finishing, and rejoining VSM systems needs restarting equipment.Meanwhile, each frame type equipment
In main control board after system version file has been downloaded, the system version file of download is sent to the standby master control of itself
Plate.Such as, main equipment elder generation download system version file, after download is finished, slave unit 1 exits VSM systems and download system version
File, VSM systems (needing restarting equipment) are rejoined after slave unit 1 is downloaded and finished, and then exit VSM by slave unit 2 again
System, performs the operation similar with slave unit 1.Meanwhile, each frame type equipment (main equipment, slave unit 1, slave unit 2) is being downloaded
After complete system version file, the system version file of download is sent to the slave control board of itself.
Fig. 2 is illustrated that the VSM systems being made up of box-shaped device, refers to Fig. 2, and the VSM systems in Fig. 2 are by 5 boxlikes
Equipment is constituted, respectively main equipment, slave unit 1, slave unit 2, slave unit 3, slave unit 4, slave unit 5.In to the VSM systems
Every box-shaped device when being upgraded, it is necessary to each box-shaped device performs the operation of download system version file respectively, that is, lead
Equipment elder generation download system version file, then VSM systems are exited by each slave unit successively perform down operation, it is to be downloaded finish after
VSM systems are rejoined again, and its detailed process is similar to the above, will not be repeated here.
As can be seen here, in the related art, when every network equipment in VSM systems is upgraded, each is from setting
It is standby to be required for first exiting VSM systems in upgrading and restart addition VSM systems again, while every network in VSM systems sets
It is standby to be required for performing down operation, cause to greatly reduce a liter stage efficiency.
Therefore, the application is above-mentioned present in correlation technique to solve by way of improving download system version file
Technical problem.It is that the application is further described, there is provided the following example：
Fig. 3 is a kind of flow chart of the upgrade method of the VSM systems shown in the exemplary embodiment of the application one, the VSM
System includes a main equipment and at least one slave unit；The method can apply to main equipment, may comprise steps of：
Step 301, when upgrade command is received, download system version file.
Step 302, upgrades according to the system version file downloaded to the main equipment, and the system version that will be downloaded
File is respectively sent to each slave unit, and itself is upgraded according to the system version file with by each slave unit.
In the present embodiment, the system version file by the way that main equipment is downloaded is sent to each slave unit, and without from
Equipment exits VSM systems to perform down operation, can lift download efficiency of the whole VSM systems to system version file, from
And further lift the liter stage efficiency to whole VSM systems.Wherein, when the main equipment includes main control board and standby master
During control plate (i.e. described main equipment is frame type equipment), main control board is upgraded and completes to upgrade in the main control board
Afterwards, the system version file is sent to the slave control board by the main control board, with to the slave control board
Upgraded.
In the present embodiment, when the system version file of download is respectively sent into each slave unit, can take with
Lower sending method：
Travel through all slave units；When the slave unit for not yet sending system version file is traversed, create that correspond to should be from
The treatment progress of equipment, the system version file is sent with by the treatment progress to the slave unit.By for each
Slave unit all creates corresponding treatment progress, due to separate between each treatment progress, does not interfere with each other, such that it is able to accelerate
To the transmitting efficiency of system version file, the liter stage efficiency to whole VSM systems is thus further lifted.
In the present embodiment, system version file is downloaded in default internal memory by main equipment, and it is determined that all from setting
For after all receiving the system version file, the system version file is moved to default external memory by main equipment from default internal memory again
In.Due to compared to external memory, the read or write speed of internal memory faster, so by by system version file download to default internal memory,
The follow-up transmitting efficiency to system version file can be accelerated, so as to further lift the liter stage efficiency to whole VSM systems.
Accordingly, Fig. 4 is the flow of the upgrade method of another VSM systems shown in the exemplary embodiment of the application one
Figure, the VSM systems include a main equipment and at least one slave unit；The method can apply to slave unit, can include
Following steps：
Step 401, receives the system version file that main equipment sends.
In the present embodiment, the system version file is downloaded by the main equipment according to the upgrade command for receiving
Arrive；Wherein, the system version file is also respectively sent to other slave units by the main equipment.
Step 402, upgrades according to the system version file to the slave unit.
In the present embodiment, each slave unit need to only receive the system version file of main equipment transmission, without list
The operation of download system version file is solely performed, such that it is able to lift download efficiency of the whole VSM systems to system version file,
And then lifting is to the liter stage efficiency of whole VSM systems.Wherein, when slave unit includes main control board and slave control board,
Main control board is upgraded and the main control board complete upgrading after, by the main control board by the system version
Presents is sent to the slave control board, is upgraded with to the slave control board.
From above technical scheme, in the technical scheme of the application, by main equipment download system version file and general
The system version file of download is sent respectively to each slave unit, and exits VSM systems respectively simultaneously individually without each slave unit
Go to perform down operation, VSM systems are added without restarting again after download is finished, so as to improve the upgrading to VSM systems
Efficiency.
In order to make it easy to understand, with reference to Fig. 5, it is right for the interaction in VSM systems between main equipment and slave unit
The technical scheme of the application is described in detail.Fig. 5 is referred to, Fig. 5 is a kind of VSM shown in the exemplary embodiment of the application one
The flow chart of the upgrade method of system, as shown in figure 5, the upgrade method may comprise steps of：
Step 501, main equipment download system version file.
In the present embodiment, when main equipment receives upgrade command, according to upgrade command by system version file download
Into default internal memory (such as can be to be downloaded to the TEMP catalogues of management temporary file).Due to compared to external memory, the reading of internal memory
Writing rate faster, so follow-up to system version file by that in system version file download to default internal memory, will can accelerate
Transmitting efficiency, so as to further lift the liter stage efficiency to whole VSM systems.
Step 502A, main equipment creates treatment progress 1.
In the present embodiment, main equipment is after download system version file, travels through all of slave unit, often travel through one from
Equipment, under being created that a treatment progress for corresponding to the slave unit is sent by the treatment progress for main equipment to the slave unit
The system version file of load.Wherein, it is not interfere with each other corresponding between the treatment progress of each slave unit, is independently executed.By pin
Corresponding treatment progress is all created to each slave unit, the transmitting efficiency to system version file can be accelerated, thus further
Lift the liter stage efficiency to whole VSM systems.For example it is assumed that comprising a main equipment and two slave units (from setting in VSM systems
Standby 1 and slave unit 2).Then main equipment is respectively created treatment progress 1,2 for slave unit 1 and slave unit 2, for sending system version
Presents.
Step 502B, main equipment sends system version file by treatment progress 1 to slave unit 1.
In the present embodiment, main equipment sends to slave unit the system version file of download, and is exited without slave unit
VSM systems perform down operation, on the one hand can lift download efficiency of the whole VSM systems to system version file, so that
Further lift the liter stage efficiency to whole VSM systems；On the other hand it is local because main equipment sends system version file
Transmission data, so as to reduce the occupancy to bandwidth.
Step 502C, slave unit 1 is returned to main equipment and receives success message.
In the present embodiment, slave unit is returned to main equipment and receives success message, has informed the main equipment slave unit
It is properly received system version file.
Step 503A, main equipment creates treatment progress 2.
In the present embodiment, main equipment successively for slave unit 1 and slave unit 2 be respectively created treatment progress 1 and process into
Journey 2 sends system version file, and it sequentially can in the light of actual conditions be adjusted flexibly.Such as, slave unit 2 can also be first directed to
Create treatment progress to send system version file, then for slave unit 1 create treatment progress and send system version file.When
So, the application is limited not to this.
Step 503B, main equipment sends system version file by treatment progress 2 to slave unit 2.
Step 503C, slave unit 2 is returned to main equipment and receives success message.
Step 504A, main equipment judges that itself whether there is slave control board.
In the present embodiment, when main equipment be frame type equipment when, due in frame type equipment except main control board is also possible to
Comprising slave control board, so need to judge itself with the presence or absence of slave control board, if in the presence of in main control board completion liter
After level, the system version file of download is sent to slave control board；Otherwise, without performing transmission operation.
Step 504B, slave unit 1 judges that itself whether there is slave control board.
Step 504C, slave unit 2 judges that itself whether there is slave control board.
In the present embodiment, when slave unit is frame type equipment, itself is judged with the presence or absence of slave control board, if in the presence of,
Then the system version file of download is sent to slave control board；Otherwise, without performing transmission operation.
Step 505A, main equipment sends to the slave control board of itself the system version file of download.
In the present embodiment, main equipment sends system version file to the operation of each slave unit, and sends to standby
The operation of master control borad can be performed simultaneously, it is also possible to be performed according to predefined order, and the application is limited not to this.
Step 505B, slave unit 1 sends to the slave control board of itself the system version file of reception.
Step 505C, slave unit 2 sends to the slave control board of itself the system version file of reception.
Step 506, main equipment moves in default external memory system version file from default internal memory.
In the present embodiment, the reception success message of all slave units (slave unit 1 and slave unit 2) return is being received
Afterwards, in system version file being moved into default external memory (such as can be hard disk) from default internal memory.
From above technical scheme, in the technical scheme of the application, by main equipment download system version file and general
The system version file of download is sent respectively to each slave unit, and exits VSM systems respectively simultaneously individually without each slave unit
Go to perform down operation, VSM systems are added without restarting again after download is finished, so as to improve the upgrading to VSM systems
Efficiency.
Fig. 6 shows the schematic construction based on main equipment side electronic equipment of the exemplary embodiment according to the application
Figure.Fig. 6 is refer to, in hardware view, the electronic equipment includes processor 602, internal bus 604, network interface 606, internal memory
608 and nonvolatile memory 610, the hardware required for other business are also possible that certainly.Processor 602 is from non-volatile
Property memory 610 in read corresponding computer program in internal memory 602 and then running, VSM systems are formed on logic level
Update device.Certainly, in addition to software realization mode, the application is not precluded from other implementations, such as logical device
Or mode of software and hardware combining etc., that is to say, that the executive agent of following handling process is not limited to each logic list
Unit, or hardware or logical device.
Fig. 7 is refer to, in Software Implementation, the update device of the VSM systems can include download unit 701, rise
Level unit 702.Wherein：
Download unit 701, when upgrade command is received, download system version file；
Upgrade unit 702, upgrades according to the system version file downloaded to the main equipment, and the system that will be downloaded
Version file is respectively sent to each slave unit, and itself is risen according to the system version file with by each slave unit
Level.
Optionally, the upgrade unit 702 specifically for：
When the main equipment includes main control board and slave control board, the main control board is upgraded；
After the main control board completes upgrading, the system version file is sent to institute by the main control board
Slave control board is stated, is upgraded with to the slave control board.
Optionally, the upgrade unit 702 is further used for：
Travel through all slave units；
When the slave unit for not yet sending system version file is traversed, the treatment progress corresponding to the slave unit is created,
With by the treatment progress system version file is sent to the slave unit.
Optionally, the system version file is downloaded in default internal memory；Described device also includes：
Processing unit 703, after it is determined that all slave units all receive the system version file, by the system version
File is moved in default external memory from default internal memory.
Fig. 8 shows the schematic construction based on slave unit side electronic equipment of the exemplary embodiment according to the application
Figure.Fig. 8 is refer to, in hardware view, the electronic equipment includes processor 802, internal bus 804, network interface 806, internal memory
808 and nonvolatile memory 810, the hardware required for other business are also possible that certainly.Processor 802 is from non-volatile
Property memory 810 in read corresponding computer program in internal memory 802 and then running, VSM systems are formed on logic level
Update device.Certainly, in addition to software realization mode, the application is not precluded from other implementations, such as logical device
Or mode of software and hardware combining etc., that is to say, that the executive agent of following handling process is not limited to each logic list
Unit, or hardware or logical device.
Fig. 9 is refer to, in Software Implementation, the update device of the VSM systems can include receiving unit 901, rise
Level unit 902.Wherein：
Receiving unit 901, receives the system version file that main equipment sends, and the system version file is by the main equipment
Downloaded according to the upgrade command for receiving and obtained；Wherein, the system version file is also respectively sent to it by the main equipment
His slave unit；
Upgrade unit 902, upgrades according to the system version file to the slave unit.
Optionally, the upgrade unit 902 specifically for：
When the slave unit includes main control board and slave control board, the main control board is upgraded；
After the main control board completes upgrading, the system version file is sent to institute by the main control board
Slave control board is stated, is upgraded with to the slave control board.
The function of unit and the implementation process of effect correspond to step in specifically referring to the above method in said apparatus
Implementation process, will not be repeated here.
For device embodiment, because it corresponds essentially to embodiment of the method, so related part is referring to method reality
Apply the part explanation of example.Device embodiment described above is only schematical, wherein described as separating component
The unit of explanation can be or may not be physically separate, and the part shown as unit can be or can also
It is not physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Can be according to reality
Selection some or all of module therein is needed to realize the purpose of application scheme.Those of ordinary skill in the art are not paying
In the case of going out creative work, you can to understand and implement.
The preferred embodiment of the application is the foregoing is only, is not used to limit the application, all essences in the application
Within god and principle, any modification, equivalent substitution and improvements done etc. should be included within the scope of the application protection.
Claims (12)
1. a kind of upgrade method of VSM systems, it is characterised in that the VSM systems comprising a main equipment and at least one from
Equipment；Methods described is applied to main equipment, including：
When upgrade command is received, download system version file；
System version file according to downloading is upgraded to the main equipment, and the system version file of download is sent respectively
To each slave unit, itself is upgraded according to the system version file with by each slave unit.
2. method according to claim 1, it is characterised in that described to be set to the master according to the system version file downloaded
It is standby to be upgraded, including：
When the main equipment includes main control board and slave control board, the main control board is upgraded；
After the main control board completes upgrading, the system version file is sent to described standby by the main control board
With master control borad, upgrade with to the slave control board.
3. method according to claim 1, it is characterised in that described to be respectively sent to respectively the system version file of download
Individual slave unit, including：
Travel through all slave units；
When the slave unit for not yet sending system version file is traversed, the treatment progress corresponding to the slave unit is created, with logical
Cross the treatment progress and send the system version file to the slave unit.
4. method according to claim 1, it is characterised in that the system version file is downloaded in default internal memory；
Methods described also includes：
After it is determined that all slave units all receive the system version file, the system version file is moved from default internal memory
Into default external memory.
5. a kind of upgrade method of VSM systems, it is characterised in that the VSM systems comprising a main equipment and at least one from
Equipment；Methods described is applied to slave unit, including：
The system version file that main equipment sends is received, the system version file is by the main equipment according to the upgrading for receiving
Instruction download is obtained；Wherein, the system version file is also respectively sent to other slave units by the main equipment；
The slave unit is upgraded according to the system version file.
6. method according to claim 5, it is characterised in that it is described according to the system version file to the slave unit
Upgraded, including：
When the slave unit includes main control board and slave control board, the main control board is upgraded；
After the main control board completes upgrading, the system version file is sent to described standby by the main control board
With master control borad, upgrade with to the slave control board.
7. a kind of update device of VSM systems, it is characterised in that the VSM systems comprising a main equipment and at least one from
Equipment；Described device is applied to main equipment, including：
Download unit, when upgrade command is received, download system version file；
Upgrade unit, upgrades according to the system version file downloaded to the main equipment, and the system version text that will be downloaded
Part is respectively sent to each slave unit, and itself is upgraded according to the system version file with by each slave unit.
8. device according to claim 7, it is characterised in that the upgrade unit specifically for：
When the main equipment includes main control board and slave control board, the main control board is upgraded；
After the main control board completes upgrading, the system version file is sent to described standby by the main control board
With master control borad, upgrade with to the slave control board.
9. device according to claim 7, it is characterised in that the upgrade unit is further used for：
Travel through all slave units；
When the slave unit for not yet sending system version file is traversed, the treatment progress corresponding to the slave unit is created, with logical
Cross the treatment progress and send the system version file to the slave unit.
10. device according to claim 7, it is characterised in that the system version file is downloaded in default internal memory；
Described device also includes：
Processing unit, after it is determined that all slave units all receive the system version file, by the system version file from
Default internal memory is moved in default external memory.
A kind of 11. update devices of VSM systems, it is characterised in that the VSM systems comprising a main equipment and at least one from
Equipment；Described device is applied to slave unit, including：
Receiving unit, receives the system version file that main equipment sends, and the system version file is by the main equipment according to connecing
The upgrade command for receiving is downloaded and obtained；Wherein, the system version file is also respectively sent to other from setting by the main equipment
It is standby；
Upgrade unit, upgrades according to the system version file to the slave unit.
12. devices according to claim 11, it is characterised in that the upgrade unit specifically for：
When the slave unit includes main control board and slave control board, the main control board is upgraded；
After the main control board completes upgrading, the system version file is sent to described standby by the main control board
With master control borad, upgrade with to the slave control board.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453931A (en) * | 2017-09-28 | 2017-12-08 | 美的智慧家居科技有限公司 | Lan device upgrade method, device and its equipment |
| CN107580071A (en) * | 2017-09-28 | 2018-01-12 | 美的智慧家居科技有限公司 | Master-slave equipment upgrade method, device and its equipment |
| CN107678764A (en) * | 2017-09-30 | 2018-02-09 | 杭州迪普科技股份有限公司 | A kind of method and device based on ISSU upgrading VSM systems |
| WO2019062157A1 (en) * | 2017-09-28 | 2019-04-04 | 美的智慧家居科技有限公司 | Master-slave device upgrade method, apparatus, and device |
| CN110166355A (en) * | 2018-02-13 | 2019-08-23 | 华为技术有限公司 | A kind of message forwarding method and device |
| CN112181930A (en) * | 2020-09-29 | 2021-01-05 | 杭州迪普科技股份有限公司 | File management method and device of virtual switching matrix |
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