CN106254440A - The upgrade method of a kind of AP and device - Google Patents
The upgrade method of a kind of AP and device Download PDFInfo
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- CN106254440A CN106254440A CN201610613605.7A CN201610613605A CN106254440A CN 106254440 A CN106254440 A CN 106254440A CN 201610613605 A CN201610613605 A CN 201610613605A CN 106254440 A CN106254440 A CN 106254440A
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- Prior art keywords
- upgraded
- data block
- upgrade file
- concordance list
- upgrading
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1074—Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
- H04L67/1078—Resource delivery mechanisms
- H04L67/108—Resource delivery mechanisms characterised by resources being split in blocks or fragments
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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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- 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
- H04L41/084—Configuration by using pre-existing information, e.g. using templates or copying from other elements
- H04L41/0846—Configuration by using pre-existing information, e.g. using templates or copying from other elements based on copy from other elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
Abstract
The application supplies upgrade method and the device of a kind of AP, and described method includes: AP to be upgraded receives the data block concordance list corresponding with upgrade file that AC issues；Described upgrade file is split into some data blocks by described AC, and distribution is stored in the different AP of upgrading；Described data block concordance list includes the mapping relations between described some data blocks and the IP of the AP that upgrades that stores described some data blocks；Based on described data block concordance list, from AP downloading data block of respectively having upgraded；Data block download obtained is spliced into described upgrade file, and the described upgrade file obtained based on splicing is upgraded.Due in the embodiment of the present application, AP to be upgraded obtains upgrade file from the AP that upgrades, and instead of in prior art and obtains upgrade file from AC so that the time of AP upgrading becomes logarithm from linear increase and increases, along with the increase of AP quantity, save considerably the time of AP upgrading.
Description
Technical field
The application relates to communication technical field, particularly to upgrade method and the device of a kind of AP.
Background technology
AC (Wireless Access Point, wireless access points) is a kind of network equipment, for centralization control
Wireless aps (Wireless Access Point, wireless access points), is the core of a wireless network, is responsible for nothing
All wireless apss in gauze network, include AP management: issue configuration, revise relevant configured parameter, radio frequency and can only manage, access
Security control etc..CAPWAP(Control And Provision of Wireless Access Points Protocol
Specification, the control of WAP and configuration protocol) define how AP obtains software version from AC.Concrete next
Say, when AC finds that AP can issue upgrade command when reflection version does not mates.Subsequently, AP can receive image file fragment group successively
Dress up complete upgrade file, finally complete upgrading.Owing to bandwidth and the disposal ability of AC are limited, the same time can only support one
The AP upgrading of determined number.Remaining AP can only add waiting list, just can upgrade until AP upgrading above is complete, this
The time that kind upgrading flow process is spent is linear increase.When the quantity of AP is a lot, update time can be caused long.
Summary of the invention
In view of this, the application provides upgrade method and the device of a kind of AP, in order to solve when the quantity of AP is a lot, rises
The problem of level overlong time.
Specifically, the application is achieved by the following technical solution:
The upgrade method of a kind of AP, is applied to AP to be upgraded, including:
Receive the data block concordance list corresponding with upgrade file that AC issues；If described upgrade file is split into by described AC
Do data block, and distribution is stored in the different AP of upgrading；Described data block concordance list includes described some data blocks and storage
Mapping relations between the IP of the AP that upgrades of described some data blocks；
Based on described data block concordance list, from AP downloading data block of respectively having upgraded；
Data block download obtained is spliced into described upgrade file, and the described upgrade file obtained based on splicing is carried out
Upgrading.
In the upgrade method of described AP, also include:
Receive the size of the described upgrade file that described AC issues and based on described upgrade file calculated hash value；
The described described upgrade file obtained based on splicing is upgraded, including:
The described upgrading literary composition that the hash value of size based on described upgrade file and described upgrade file obtains for splicing
Part carries out completeness check；
When completeness check passes through, the described upgrade file obtained based on splicing is upgraded, and after upgrading successfully,
The back message upgraded successfully is sent to described AC.
In the upgrade method of described AP, also include:
When arbitrary data block failed download upgraded on AP, download this data block from described AC.
The upgrade method of a kind of AP, is applied to AC, including:
Split upgrade file and become some data blocks, and described some data blocks are stored in the different AP of upgrading；
Generate the data block concordance list corresponding with described upgrade file；Described data block concordance list includes described some data
Mapping relations between block and the IP of the AP that upgrades that stores described some data blocks；
Issue described data block concordance list extremely AP to be upgraded.
In the upgrade method of described AP, also include:
After receiving the back message upgraded successfully that AP to be upgraded sends, again by the described upgrade file some one-tenth of partition
Data block is assigned to each and has upgraded on AP, updates described data block concordance list.
The update device of a kind of AP, is applied to AP to be upgraded, including:
Receive unit, for receiving the data block concordance list corresponding with upgrade file that AC issues；Described upgrade file by
Described AC splits into some data blocks, and distribution is stored in the different AP of upgrading；If described data block concordance list includes described
Mapping relations between dry data block and the IP of the AP that upgrades that stores described some data blocks；
Download unit, for based on described data block concordance list, from AP downloading data block of respectively having upgraded；
Upgrade unit, the data block for download being obtained is spliced into described upgrade file, and the institute obtained based on splicing
State upgrade file to upgrade.
In the update device of described AP, also include:
Described reception unit, is further used for receiving the size of the described upgrade file that described AC issues and based on described liter
Level file calculated hash value；
Described upgrade unit, is further used for the hash value pin of size based on described upgrade file and described upgrade file
The described upgrade file obtaining splicing carries out completeness check；When completeness check passes through, based on splicing obtain described in
Upgrade file is upgraded, and after upgrading successfully, sends the back message upgraded successfully to described AC.
In the update device of described AP, described download unit, it is further used for:
When arbitrary data block failed download upgraded on AP, download this data block from described AC.
The update device of a kind of AP, is applied to AC, including:
Split cells, is used for splitting upgrade file and becomes some data blocks, and be stored in different by described some data blocks
Upgraded AP；
Signal generating unit, for generating the data block concordance list corresponding with described upgrade file；Described data block concordance list bag
Include the mapping relations between described some data blocks and the IP of the AP that upgrades that stores described some data blocks；
Issue unit, be used for issuing described data block concordance list extremely AP to be upgraded.
In the update device of described AP, described split cells, it is further used for:
After receiving the back message upgraded successfully that AP to be upgraded sends, again by the described upgrade file some one-tenth of partition
Data block is assigned to each and has upgraded on AP, updates described data block concordance list.
The technical scheme provided from above embodiments herein, AP to be upgraded receives the data block index that AC issues
Table, according to described data block concordance list, to AP downloading data block of upgrading.AP to be upgraded, according to the data block received, is spliced into
Upgrade file, and complete upgrading according to described upgrade file.Along with the increase of AP quantity to be upgraded, the advantage meeting of this technical scheme
Becoming apparent from, the work transmitting data block is completed by the ever-increasing AP that upgraded of quantity, efficiently solves the number as AP
When measuring a lot, the problem that update time is long.
Accompanying drawing explanation
Figure 1A is the flow chart of the upgrade method of a kind of AP shown in the application；
Figure 1B is the flow chart of the upgrade method of the another kind of AP shown in the application；
Fig. 2 is the logic diagram of the update device of a kind of AP shown in the application；
Fig. 3 is the hardware structure diagram of the update device of a kind of AP shown in the application；
Fig. 4 is the logic diagram of the update device of the another kind of AP shown in the application；
Fig. 5 is the hardware structure diagram of the update device of the another kind of AP shown in the application.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the embodiment of the present invention, and make the embodiment of the present invention
Above-mentioned purpose, feature and advantage can become apparent from understandable, below in conjunction with the accompanying drawings to the technical scheme in the embodiment of the present invention
It is described in further detail.
CAPWAP agreement defines the mode of AP upgrading.One is to associate the AC stage at AP, and AC sends Join Response report
Civilian to AP.By the FileVersion triggering AP in Join Response message to the request of AC response download upgrade file, and according to
Upgrade file is upgraded.Two is after AP association AC, when user feels the need to upgrade certain AP, then on AC
Determine this AP of upgrading, so that AC sends upgrade command (Configuration Update Request message) to this AP, triggering
This AP responds the request downloading upgrade file to AC, and upgrades according to upgrade file.In two ways, AP be all directly to
AC downloads upgrade file.Owing to bandwidth and the disposal ability of AC are limited, the same time can only support that a number of AP upgrades.Surplus
Under AP join waiting list, until AP upgrading above complete just can be upgraded.This upgrading flow process is spent
Time is linear increase, and when AP quantity is a lot, update time can be long.
For solving the problems referred to above, in the technical scheme of the embodiment of the present application, upgrade file is divided into some data by AC
Block, and AP that above-mentioned data block is assigned to upgrade.AP to be upgraded no longer directly obtains upgrade file from AC, but from upgrading
AP downloading data block is spliced into upgrade file, upgrades further according to this upgrade file.Thus, extensive AP upgrading is the most limited
Bandwidth and disposal ability in AC.
Seeing Figure 1A, for the flow chart of the upgrade method of a kind of AP shown in the application, this flow chart is from AP side to be upgraded
It is described；Said method comprising the steps of:
Step 101: receive the data block concordance list corresponding with upgrade file that AC issues；Described upgrade file is by described AC
Split into some data blocks, and distribution is stored in the different AP of upgrading；Described data block concordance list includes described some data
Mapping relations between block and the IP of the AP that upgrades that stores described some data blocks；
Step 102: based on described data block concordance list, from AP downloading data block of respectively having upgraded；
Step 103: data block download obtained is spliced into described upgrade file, and the described upgrading obtained based on splicing
File is upgraded.
Corresponding with the flow chart of the upgrade method of the above-mentioned AP described from AP side to be upgraded, see Figure 1B, the application illustrates
The flow chart of upgrade method of another kind of AP, this flow chart is described from AC side；Said method comprising the steps of:
Step 111: split upgrade file and become some data blocks, and described some data blocks are stored in different upgradings
AP；
Step 112: generate the data block concordance list corresponding with described upgrade file；Described data block concordance list includes described
Mapping relations between some data blocks and the IP of the AP that upgrades that stores described some data blocks；
Step 113: issue described data block concordance list extremely AP to be upgraded.
In the present embodiment, AC splits into some data blocks upgrade file, and carries out the storage position of each data block
Planning, is stored respectively in each data block on the different AP of upgrading, and AP to be upgraded the most directly will download upgrade file from AC, and
It is to download upgrade file from the AP that upgrades.So, along with the increase of AP quantity, AP to be upgraded is gradually increased from quantity
The speed obtaining upgrade file on upgrading AP can be obviously improved.
Specifically, upgrade file can be split into some data blocks based on default strategy by AC, and is stored respectively in
The different AP of upgrading.
Wherein, above-mentioned default strategy can set, according to applied environment, the strategy rising stage efficiency most helpful in AP.Example
As: in a kind of embodiment shown in, above-mentioned default strategy may is that upgrade file is split into some data blocks by AC,
And the some data blocks split out are distributed equally, it is respectively stored on the different AP of upgrading so that each rises
On level AP, the quantity of the data block of storage keeps consistent, makes AP to be upgraded download upgrading concomitantly respectively to the AP that upgrades with this
During file, efficiency balance on every download path.
After upgrade file has split, above-mentioned some data blocks are stored in the different AP of upgrading by AC, and create
State the mapping relations between some data blocks and the IP of the AP that upgrades that stores above-mentioned some data blocks.For ease of recording above-mentioned reflecting
Penetrating relation, AC adds mark or sequence number can to the some data blocks split out, and the most above-mentioned mapping relations can be data block
Mark or sequence number correspondence store the IP of the AP that upgrades of this data block.AC is by creating above-mentioned mapping relations, thus incites somebody to action original
The work of the reception AP download upgrade file being defined in this locality is assigned to respectively upgrade on AP.AC generates corresponding with upgrade file
Above-mentioned mapping relations are included by data block concordance list.
After above-mentioned configuration work completes, AP to be upgraded can send upgrade request to AC in both cases: one is to treat
Upgrading AP associates the AC stage, and AC sends Join Response message extremely AP to be upgraded.By the literary composition in Join Response message
Part version triggers AP to be upgraded and responds upgrade request to AC；Two is after AP to be upgraded association AC, when user feels the need to
Upgrade AP to be upgraded, then determine upgrading AP to be upgraded on AC, so that AC transmission upgrade command is to AP to be upgraded, triggers to be upgraded
AP responds upgrade request to AC.
In this example, after AC receives the upgrade request that AP to be upgraded sends, the above-mentioned data corresponding with upgrade file are issued
Block concordance list to AP to be upgraded, with by AP to be upgraded according to above-mentioned data block concordance list from AP downloading data block of respectively having upgraded.Treat
Upgrading AP concomitantly to the data of AP request upgrade file of upgrading, drastically increases efficiency by data block concordance list.
Specifically, AP to be upgraded can be as described below from the process of AP downloading data block of upgrading: AP to be upgraded travels through
Each in data block concordance list has been upgraded the IP of AP and the mark of data block or sequence number, adds up all data blocks corresponding to each IP
Mark or sequence number.After completing statistics, AP to be upgraded sends mark or the sequence number of all data blocks of its correspondence to each IP, with
The mark of corresponding all data blocks or sequence number is utilized to return data block by the AP that respectively upgraded.
Or, AP to be upgraded can also be as described below from the process of AP downloading data block of upgrading: AP to be upgraded travels through number
According to each list item of block concordance list, the IP of the AP that upgraded in list item sends mark or the sequence number of corresponding data block, with by respectively
The AP that upgraded utilizes the mark of data block or sequence number to return data block.
In actual applications, can select above two mode applies preferably one according to applied environment and application apparatus
Kind.
In this example, when following two situation occur, AP to be upgraded cannot download to data block from the AP that upgrades: one is
During data block is stored the AP of upgrading planned by AC, there occurs packet loss.In this case, the AP that upgraded does not has
Local data block corresponding for IP in storage data block index list item, the mark of AP to be upgraded transmission data block or sequence number are to upgrading
AP, in the back message of reception, the value of data block is empty.Two is that AP storage of having upgraded has in data block index list item local IP pair
The data block answered, the AP operation irregularity but this has been upgraded, cannot respond to after receiving the download request that AP to be upgraded sends.
For ensureing that AP to be upgraded obtains the successful of upgrade file, when AP to be upgraded cannot obtain from the AP that upgrades further
When obtaining corresponding data block, AP to be upgraded directly can download this data block from AC according to the mark of data block or sequence number.
In this example, owing to AP to be upgraded is the data block downloaded from least one AP that upgraded and obtain upgrade file,
Therefore, in the downloading process of data block, download the data block obtained and likely split out based on above-mentioned upgrade file is actual with AC
Data block, there are differences；Or, in the downloading process of data block, it may occur however that the loss of data block.
For evading this situation, after AC receives the upgrade request that AP to be upgraded sends, it is also possible to issue for for upgrading
File carries out the checking information of integrity verification.
In a kind of embodiment illustrated, AC can issue the size of above-mentioned upgrade file and based on above-mentioned upgrade file
Calculated hash value extremely AP to be upgraded.
In the present embodiment, the data block splicing of download is obtained upgrade file by AP to be upgraded, can issue for AC
Above-mentioned checking information, the upgrade file obtaining splicing carries out completeness check.
Such as: AP to be upgraded can be first according to the size of upgrade file, and the upgrade file that checking splicing obtains, with original
Upgrade file, the most consistent, to confirm whether the data block received has disappearance；If it is big to receive upgrade file
Upgrade file that is little and that be spliced into is in the same size, can calculate the hash value of the upgrade file of stitching portion further, by this hash
The hash value of this upgrade file that value issues with AC is the most consistent；If consistent, show that this upgrade file of stitching portion has passed through
Whole property verifies, and this upgrade file that can normally utilize splicing to obtain carries out updating operation.
In the verification for integrity by rear, AP to be upgraded can upgrade based on the upgrade file that splicing obtains.
In the present embodiment, AP to be upgraded, after completing upgrading, becomes the AP that upgrades, and to returning that AC transmission upgrades successfully
Answer message.After AC receives back message, the AP that this upgraded joins in the queue of the AP that upgrades.AC is based on default strategy
Upgrade file is split as some data blocks, again the storage position of each data block is planned, each data block is stored in
On the different AP of upgrading.So this AP that upgraded completing upgrading before this also can provide above-mentioned upgrading for follow-up AP to be upgraded
The data block of file.
As can be seen here, in the embodiment of the present application, along with the increase of the quantity of the AP that upgrades, AP to be upgraded can be from increasingly
Obtain the data of upgrade file on many AP that upgrades concomitantly, compared to existing technology, rise stage efficiency and be obviously improved.
Rise AP in stage efficiency and prior art rise stage efficiency for more intuitively contrasting in the embodiment of the present application AP, described below
One concrete upgrading efficiency calculation example:
The upper limit assuming the transfer rate of each AP is a bps, and the upper limit of the transfer rate of AC is also a bps,
The size of upgrade file is K bit, and the sum of AP is N.
The AP update time of prior art is all data volumes actual transfer rate b divided by AC, it may be assumed that
Time1=K/b*N the second
The update time of the embodiment of the present application:
Owing to first time upgrade file only exists AC, therefore upgrading AP1Time be the K/a second.
During second time upgrading, AP2Can be to AP1Asking all of data block, therefore the time of second time upgrading is the K/a second.
During third time upgrading, AP3Can be to AP1The data block of request half, to AP2Also ask the data block of half, again because
AP3To AP1And AP2Request concurrently carry out, so third time upgrading time be the K/2a second.
By that analogy, the time of i & lt upgrading is K/ (i-1) a second.So total update time is:
Time2=K/a+K/a+K/2a+K/3a+ ... ,+K/ (N-1) a
=K/a+K/a* (1+1/2+1/3+ ... ,+1/ (N-1))
=K/a+K/a* (ln (N)+r)
=K/a* (ln (N)+r+1) second, r is Euler's constant, approximates 0.5772156649.
The AP update time of prior art is linearly increasing, and the update time of the embodiment of the present invention is logarithm growth,
Along with the increase of N, the update time of embodiment of the present invention update time compared to existing technology can be much smaller, and gap is increasingly
Greatly.
Corresponding with the embodiment of the upgrade method of the application AP, present invention also provides for performing said method enforcement
The embodiment of the device of example.
Seeing Fig. 2, for the logic diagram of the update device of a kind of AP shown in the application, this device is applied to be upgraded
AP。
As in figure 2 it is shown, the update device 20 of this AP includes:
Receive unit 210, for receiving the data block concordance list corresponding with upgrade file that AC issues；Described upgrade file
Split into some data blocks by described AC, and distribution is stored in the different AP of upgrading；Described data block concordance list includes described
Mapping relations between some data blocks and the IP of the AP that upgrades that stores described some data blocks.
Download unit 220, for based on described data block concordance list, from AP downloading data block of respectively having upgraded.
Upgrade unit 230, is spliced into described upgrade file for the data block that download obtained, and obtain based on splicing
Described upgrade file is upgraded.
In this example:
Described reception unit 210, is further used for receiving the size of the described upgrade file that described AC issues and based on institute
State upgrade file calculated hash value.
Described upgrade unit 230, is further used for size based on described upgrade file and the hash of described upgrade file
The described upgrade file that value obtains for splicing carries out completeness check；When completeness check passes through, obtain based on splicing
Described upgrade file is upgraded, and after upgrading successfully, sends the back message upgraded successfully to described AC.
In this example, described download unit 220, it is further used for when arbitrary data block failed download upgraded on AP
Time, download this data block from described AC.
The embodiment of the update device of the application AP can be applied on AP.Device embodiment can be realized by software,
Can also realize by the way of hardware or software and hardware combining.As a example by implemented in software, as the dress on a logical meaning
Put, be that computer program instructions corresponding in nonvolatile memory is read fortune in internal memory by the processor by its place AP
Row is formed.For hardware view, as it is shown on figure 3, be a kind of hardware structure diagram of the update device place AP of the application AP,
In addition to the processor shown in Fig. 3, internal memory, network interface and nonvolatile memory, the AP at device place in embodiment
Actual functional capability generally according to the update device of this AP, it is also possible to include other hardware, this is repeated no more.
Seeing Fig. 4, for the logic diagram of the update device of a kind of AP shown in the application, this device is applied to AC.
As shown in Figure 4, the update device 40 of this AP includes:
Split cells 410, is used for splitting upgrade file and becomes some data blocks, and described some data blocks are stored in difference
The AP of upgrading.
Signal generating unit 420, for generating the data block concordance list corresponding with described upgrade file；Described data block concordance list
Including the mapping relations between described some data blocks and the IP of the AP that upgrades storing described some data blocks.
Issue unit 430, be used for issuing described data block concordance list extremely AP to be upgraded.
In this example, described split cells 410, it is further used for receiving the response upgraded successfully that AP to be upgraded sends
After message, again the some one-tenth data blocks of described upgrade file partition are assigned to each and have upgraded on AP, update described data block
Concordance list.
The embodiment of the update device of the application AP can be applied on AC.Device embodiment can be realized by software,
Can also realize by the way of hardware or software and hardware combining.As a example by implemented in software, as the dress on a logical meaning
Put, be that computer program instructions corresponding in nonvolatile memory is read fortune in internal memory by the processor by its place AC
Row is formed.For hardware view, as it is shown in figure 5, be a kind of hardware structure diagram of the update device place AC of the application AP,
In addition to the processor shown in Fig. 5, internal memory, network interface and nonvolatile memory, the AC at device place in embodiment
Actual functional capability generally according to the update device of this AP, it is also possible to include other hardware, this is repeated no more.
In said apparatus, the function of unit and the process that realizes of effect specifically refer to corresponding step in said method
Realize process, do not repeat them here.
For device embodiment, owing to it corresponds essentially to embodiment of the method, so relevant part sees method in fact
The part executing example illustrates.Device embodiment described above is only schematically, wherein said as separating component
The unit illustrated can be or may not be physically separate, and the parts shown as unit can be or can also
It not physical location, i.e. may be located at a place, or can also be distributed on multiple NE.Can be according to reality
Need to select some or all of module therein to realize the purpose of the application scheme.Those of ordinary skill in the art are not paying
In the case of going out creative work, i.e. it is appreciated that and implements.
The foregoing is only the preferred embodiment of the application, not in order to limit the application, all essences in the application
Within god and principle, any modification, equivalent substitution and improvement etc. done, should be included within the scope of the application protection.
Claims (10)
1. a upgrade method of AP, is applied to AP to be upgraded, it is characterised in that including:
Receive the data block concordance list corresponding with upgrade file that AC issues；Described upgrade file is split into some numbers by described AC
According to block, and distribution is stored in the different AP of upgrading；Described data block concordance list includes described some data blocks and stores institute
Mapping relations between the IP of the AP that upgrades stating some data blocks；
Based on described data block concordance list, from AP downloading data block of respectively having upgraded；
Data block download obtained is spliced into described upgrade file, and the described upgrade file obtained based on splicing rises
Level.
Method the most according to claim 1, it is characterised in that described method also includes:
Receive the size of the described upgrade file that described AC issues and based on described upgrade file calculated hash value；
The described described upgrade file obtained based on splicing is upgraded, including:
The described upgrade file that the hash value of size based on described upgrade file and described upgrade file obtains for splicing enters
Row completeness check；
When completeness check passes through, the described upgrade file obtained based on splicing is upgraded, and after upgrading successfully, to institute
State AC and send the back message upgraded successfully.
Method the most according to claim 1, it is characterised in that described method also includes:
When arbitrary data block failed download upgraded on AP, download this data block from described AC.
4. a upgrade method of AP, is applied to AC, it is characterised in that including:
Split upgrade file and become some data blocks, and described some data blocks are stored in the different AP of upgrading；
Generate the data block concordance list corresponding with described upgrade file；Described data block concordance list include described some data blocks with
Mapping relations between the IP of the AP that upgrades storing described some data blocks；
Issue described data block concordance list extremely AP to be upgraded.
Method the most according to claim 4, it is characterised in that described method also includes:
After receiving the back message upgraded successfully that AP to be upgraded sends, again by the described upgrade file some one-tenth data of partition
Block is assigned to each and has upgraded on AP, updates described data block concordance list.
6. a update device of AP, is applied to AP to be upgraded, it is characterised in that including:
Receive unit, for receiving the data block concordance list corresponding with upgrade file that AC issues；Described upgrade file is by described
AC splits into some data blocks, and distribution is stored in the different AP of upgrading；Described data block concordance list includes described some numbers
According to the mapping relations between block and the IP of the AP that upgrades storing described some data blocks；
Download unit, for based on described data block concordance list, from AP downloading data block of respectively having upgraded；
Upgrade unit, the data block for download being obtained is spliced into described upgrade file, and the described liter obtained based on splicing
Level file is upgraded.
Device the most according to claim 6, it is characterised in that described device also includes:
Described reception unit, is further used for receiving the size of the described upgrade file that described AC issues and based on described upgrading literary composition
Part calculated hash value；
Described upgrade unit, is further used for the hash value of size based on described upgrade file and described upgrade file for spelling
Connect the described upgrade file obtained and carry out completeness check；When completeness check passes through, the described upgrading obtained based on splicing
File is upgraded, and after upgrading successfully, sends the back message upgraded successfully to described AC.
Device the most according to claim 6, it is characterised in that described download unit, is further used for:
When arbitrary data block failed download upgraded on AP, download this data block from described AC.
9. a update device of AP, is applied to AC, it is characterised in that including:
Split cells, is used for splitting upgrade file and becomes some data blocks, and described some data blocks are stored in different liters
Level AP；
Signal generating unit, for generating the data block concordance list corresponding with described upgrade file；Described data block concordance list includes institute
State the mapping relations between some data blocks and the IP of the AP that upgrades that stores described some data blocks；
Issue unit, be used for issuing described data block concordance list extremely AP to be upgraded.
Device the most according to claim 9, it is characterised in that described split cells, is further used for:
After receiving the back message upgraded successfully that AP to be upgraded sends, again by the described upgrade file some one-tenth data of partition
Block is assigned to each and has upgraded on AP, updates described data block concordance list.
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| CN106254440B (en) | 2019-12-06 |
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