CN104185196B - wireless controller disaster recovery method and system - Google Patents
wireless controller disaster recovery method and system Download PDFInfo
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- CN104185196B CN104185196B CN201310188067.8A CN201310188067A CN104185196B CN 104185196 B CN104185196 B CN 104185196B CN 201310188067 A CN201310188067 A CN 201310188067A CN 104185196 B CN104185196 B CN 104185196B
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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 present invention relates to a kind of wireless controller disaster recovery methods and system, method to include：Key business data is synchronized to spare wireless controller by primary wireless controller by the advance synchronizing channel established with spare wireless controller；Spare wireless controller constructs other required associated traffic datas according to the key business data of reception；Primary wireless controller detects whether primary wireless controller side is abnormal, if so, spare wireless controller is switched to primary wireless controller, holding business is not interrupted with spare wireless controller by link detection mechanism.The present invention reduces the influences that AP is brought, achieve primary wireless controller not and influence the effect of synchrodata high efficient and reliable in the case of processing business, avoid the operation configured again on spare wireless controller, reducing error may, save human cost, it ensure that wireless traffic does not interrupt, improve the reliability of system.
Description
Technical field
The present invention relates to computer network communication technology field more particularly to a kind of disaster tolerances of wireless controller high efficient and reliable
Method and system.
Background technology
Existing WLAN（WLAN）In networking, generally pass through wireless access point（Access Pont, AP）With it is wireless
Controller（Access Controller, AC）It realizes.In the networking model of this AC+AP, " zero configuration " is realized on AP, AC
It then completes, to functions such as the certifications, configuration, data forwarding of wireless user, to play the role of centralized control, it is more to coordinate AP to realize
Value-added service.It can be controlled by wireless access point between AC and AP and dispose agreement（Controlling and
Provisioning of Wireless Access Pont, CAPWAP）It establishes CAPWAP links and communicates.
Fig. 1 is existing typical wireless network networking structure schematic diagram, as shown in Figure 1, in the wireless network, AC passes through friendship
Change planes and more AP wired connections, AP wirelessly with wireless subscriber communication, to provide wireless traffic.Saved in AC to
The business datum of its AP registered and wireless user are caused with keeping wireless traffic to avoid link failure or AC from breaking down
Wireless traffic interrupts, while being continuously increased with AP and wireless user, to the appearance of the disaster tolerance of AC systems, especially high efficient and reliable
Calamity demand is even more increasingly strong.
In the prior art more common disaster recovery solution as shown in Fig. 2, i.e. AP simultaneously with primary wireless controller（It is main
Use AC）With spare wireless controller（Spare AC）Host-standby communication channel is established, business datum is sent to by primary wireless controller
The business information is sent to spare wireless controller by AP, AP by alternate channel again, when AP is detected and primary wireless control
After device communication disruption, AP cut-in stand-bies communication channel for primary communication channel come continue keep wireless traffic.This scheme is main
It is the forwarding for realizing business datum by AP, although technical solution is simple, is the increase in AP burdens, and only when AP is examined
It measures and active-standby switch just actively occurs with after primary AC communication disruptions, cause the interruption of wireless traffic, and due to the disaster tolerance of AC
The AP of other manufacturers is controlled and cannot docked by AP.
In addition, for the disaster recovery solution of AC, the prior art also has a kind of side of directly specified primary AC and spare AC
Case, standby usage AC configurations are identical, and primary AC directly transmits data to spare AC, and spare AC receives data and stores.Primary
When AC breaks down, it is switched to spare AC and continues holding business.Although this method is realized simply, but still there are in wireless traffic
Disconnected problem, moreover, AC needs synchronous business datum amount very big as core control equipment, it can be right using this scheme
Primary AC caused heavy burden and traffic affecting is handled.
Invention content
The main purpose of the present invention is to provide the wireless controller disaster recovery methods and system of a kind of high efficient and reliable.
In order to achieve the above object, the present invention proposes a kind of wireless controller disaster recovery method, including：
Primary wireless controller is same by key business data by the advance synchronizing channel established with spare wireless controller
Walk the spare wireless controller；
The spare wireless controller constructs other required related services according to the key business data of reception
Data；
The primary wireless controller detects the primary nothing with the spare wireless controller by link detection mechanism
Whether lane controller side abnormal, if so, the spare wireless controller is switched to primary wireless controller, keep business not in
It is disconnected.
Preferably, the step of key business data is synchronized to the spare wireless controller by the primary wireless controller
Including：
The crucial industry of the primary wireless controller all cachings of batch synchronization within the system loading most light predetermined time
Business data；And the small lot key business data that real-time synchronization is newly-generated.
Preferably, this method further includes：
The primary wireless controller adjusts according to the load of machinery systems of current system during synchrodata and sends speed
Rate.
Preferably, the key business data includes at least AP information and STA information.
Preferably, described in the primary wireless controller and the spare wireless controller are detected by link detection mechanism
Whether primary wireless controller side is abnormal, if so, the spare wireless controller is switched to primary wireless controller, keeps industry
Unbroken step of being engaged in includes：
The primary wireless controller and spare wireless controller carry out heartbeat by the synchronizing channel and shake hands detection；When
When the primary wireless controller breaks down, the spare wireless controller detects heartbeat interrupt, the spare wireless controlled
Device processed is switched to primary wireless controller, and holding business is not interrupted；
Alternatively, whether extremely the primary wireless controller timing detects its uplink；If uplink is abnormal, institute
Stating primary wireless controller notifies the spare wireless controller to be switched to primary wireless controller, and holding business is not interrupted.
Preferably, the primary wireless controller will be closed by the advance synchronizing channel established with spare wireless controller
Key synchronizing traffic data to further including before the step of the spare wireless controller：
The primary wireless controller negotiates main and standby relation with spare wireless controller according to VRRP, described primary wireless
Controller obtains the address information of spare wireless controller, and synchronizing channel is established with spare wireless controller.
Preferably, this method further includes：
The primary wireless controller is when the spare wireless controller is not actuated, according to prefixed time interval periodicity
Synchronizing channel is established in trial.
The present invention also proposes a kind of wireless controller disaster tolerance system, including：Primary wireless controller and spare wireless control
Device；Wherein：
The primary wireless controller will for the synchronizing channel by being established in advance with the spare wireless controller
Key business data is synchronized to the spare wireless controller；
The spare wireless controller, for constructing other required correlations according to the key business data of reception
Business datum；
Described in the primary wireless controller and the spare wireless controller are additionally operable to detect by link detection mechanism
Whether primary wireless controller side is abnormal, if so, the spare wireless controller is switched to primary wireless controller, keeps industry
Business is not interrupted.
Preferably, the primary wireless controller is additionally operable to the batch synchronization institute within the system loading most light predetermined time
There is the key business data of caching；And the small lot key business data that real-time synchronization is newly-generated.
Preferably, the primary wireless controller is additionally operable to during synchrodata, according to the load of current system
Degree adjusts transmission rate.
Preferably, spare wireless controller is additionally operable to carry out the heart by the synchronizing channel with the primary wireless controller
Jump is shaken hands detection；When the primary wireless controller breaks down, the spare wireless controller detects heartbeat interrupt, cuts
It is changed to primary wireless controller, holding business is not interrupted；
Alternatively, the primary wireless controller is additionally operable to whether extremely timing detects its uplink；If uplink is different
Often, then the spare wireless controller is notified to be switched to primary wireless controller, holding business is not interrupted.
Preferably, the primary wireless controller is additionally operable to negotiate active and standby pass according to VRRP with spare wireless controller
System, and the address information of spare wireless controller is obtained, establish synchronizing channel with spare wireless controller.
Preferably, the primary wireless controller is additionally operable to when the spare wireless controller is not actuated, according to default
Time interval is periodically attempted to establish synchronizing channel.
A kind of wireless controller disaster recovery method and system, primary wireless controller that the embodiment of the present invention proposes pass through advance
The synchronizing channel established with spare wireless controller, spare wireless controller is synchronized to by key business data；Spare wireless controlled
Device processed constructs other required associated traffic datas according to the key business data of reception；Later primary wireless controller with it is standby
Whether extremely primary wireless controller side is detected by link detection mechanism with wireless controller, if so, spare wireless control
Device is switched to primary wireless controller, and holding business is not interrupted, and overcomes active and standby wireless controller existing in the prior art as a result,
The problem of switching unreliable and synchrodata inefficiency and defect reduce the influence that AP is brought, achieve primary wireless controlled
Device processed does not influence the effect of synchrodata high efficient and reliable in the case of processing business, avoids and matches again on spare wireless controller
The operation set reduces error possibility, saves human cost, ensure that wireless traffic does not interrupt, improve system
Reliability.
Description of the drawings
Fig. 1 is a kind of existing wireless network networking structure schematic diagram；
Fig. 2 is the structural schematic diagram of AP dual links disaster tolerance in the prior art；
Fig. 3 is the flow diagram of one embodiment of wireless controller disaster recovery method of the present invention；
Fig. 4 is the wireless network networking structure schematic diagram of the embodiment of the present invention；
Fig. 5 is the flow diagram of another embodiment of wireless controller disaster recovery method of the present invention；
Fig. 6 is the structural schematic diagram of one embodiment of wireless controller disaster tolerance system of the present invention.
In order to keep technical scheme of the present invention clearer, clear, it is described in further detail below in conjunction with attached drawing.
Specific implementation mode
The solution of the embodiment of the present invention is mainly：Negotiate main and standby relation between standby usage wireless controller, with spare nothing
Lane controller establishes synchronizing channel, and key business data is synchronized to spare wireless controller by synchronizing channel；It is spare wireless
Controller constructs other required associated traffic datas according to the key business data of reception；Later primary wireless controller with
Whether extremely spare wireless controller detects primary wireless controller side by link detection mechanism, if so, spare wireless controlled
Device processed is switched to primary wireless controller, and holding business is not interrupted, and overcomes active and standby wireless control existing in the prior art as a result,
Device switches the problem of unreliable and synchrodata inefficiency and defect, reduces the influence that AP is brought, and avoids spare wireless
Human cost is saved in the operation configured again on controller, is ensured that wireless traffic does not interrupt, is improved the reliability of system.
As shown in figure 3, one embodiment of the invention proposes a kind of wireless controller disaster recovery method, including：
Step S101, primary wireless controller, will be crucial by the advance synchronizing channel established with spare wireless controller
Synchronizing traffic data is to the spare wireless controller；
The structure of wireless network networking disaster tolerance involved by the present embodiment method is primary as shown in figure 4, in the wireless network
AC（Primary wireless controller）With spare AC（Spare wireless controller）By interchanger and more AP wired connections, AP passes through
Wireless mode and wireless subscriber communication, to provide wireless traffic；In addition, also being connected by heartbeat between primary AC and spare AC
It connects, realizes that heartbeat is shaken hands interaction.
Wherein, it is pre-established with dedicated synchronizing channel between primary wireless controller and spare wireless controller, and assists
Quotient goes out standby usage relationship, and key business data is synchronized to spare wireless controller by primary wireless controller by synchronizing channel.
Primary wireless controller adjusts transmission rate during synchrodata, according to the load of machinery systems of current system,
The synchronization of data is rapidly completed, ensures the reliability of disaster tolerance.In addition, it is smaller for newly generated business datum amount, and the time point
Scattered small lot key business data, can send in real time；For the large batch of key business data of caching, in system loading
In the most light predetermined time（Such as in daily morning）Batch sending, to be further ensured that data in active and standby wireless controller
Unanimously.
Above-mentioned key business data includes AP information and STA information etc..
Wireless controller is realization business, stores AP configuration informations, AP information, STA（Station stands）Information,
CAPWAP agreements related data, network processing unit related data etc., the present embodiment are a large amount of in view of the management of primary wireless controller
AP and STA information, business datum amount is very big, if these data are synchronized to spare wireless controller, not only efficiency
Lowly, it is also possible to lead in standby usage wireless controller that data are inconsistent due to dealing with improperly, be more likely to make primary wireless control
Device influences the processing of wireless traffic due to synchronizing a large amount of data.Therefore, primary wireless controller is in synchronous service data,
The critical datas such as AP information and STA information are only sent, to ensure data synchronization efficiency.
Step S102, the spare wireless controller construct other required according to the key business data of reception
Associated traffic data；
Spare wireless controller receives the key business data that primary wireless controller is sent and caching.
Meanwhile spare wireless controller reconfigures out other required information according to the AP information and STA information that receive,
To improve synchronous efficiency, and ensure the consistent of data in standby usage wireless controller.
Specifically, spare wireless controller reconfigures the key business data of caching, according to AP information and STA
Information structuring goes out complete needed for the wireless traffics such as AP configuration informations, network processing unit related data, CAPWAP agreement related datas
Portion's data.
Therefore, same AP configurations need to only configure primary in primary wireless controller, avoid spare wireless control
Device also wants the operation of manual configuration, to reduce the possibility artificially to malfunction, ensures wireless traffic institute in standby usage wireless controller
The service data consistence needed, improves the reliability of disaster tolerance.
Step S103, the primary wireless controller detect institute with the spare wireless controller by link detection mechanism
It whether abnormal states primary wireless controller side, if so, the spare wireless controller is switched to primary wireless controller, keeps
Business is not interrupted.
Wherein, detect whether primary wireless controller side may be used following two sides extremely by link detection mechanism
Formula：
As a kind of detection mode：Primary wireless controller is carried out with spare wireless controller by the synchronizing channel of foundation
Heartbeat is shaken hands detection, and when the primary wireless controller breaks down, the spare wireless controller detects heartbeat interrupt,
Determine primary wireless controller failure, therefore, the spare wireless controller is switched to primary wireless controller in time, keeps industry
Business is not interrupted；
As another detection mode：Whether primary wireless controller timing detects its uplink abnormal；If uplink
Road is abnormal, then primary wireless controller notifies spare wireless controller to be switched to primary wireless controller, can equally keep industry
Business is not interrupted.
The present embodiment through the above scheme, reduces the influence that AP is brought, and achieving primary wireless controller not influences to locate
The effect for managing synchrodata high efficient and reliable under service conditions, avoids the operation configured again on spare wireless controller, subtracts
It is possible to have lacked error, has saved human cost, ensure that wireless traffic does not interrupt, improve the reliability of system.
As shown in figure 5, another embodiment of the present invention proposes a kind of wireless controller disaster recovery method, in the base of above-described embodiment
On plinth, further include before above-mentioned steps S101：
Step S100, primary wireless controller negotiate main and standby relation, the master with spare wireless controller according to VRRP
The address information that spare wireless controller is obtained with wireless controller establishes synchronizing channel with spare wireless controller.
The present embodiment and above-described embodiment difference lies in, the present embodiment further include primary wireless controller with it is spare wireless
Controller establishes the scheme of synchronizing channel.
Specifically, the address information of other wireless controllers is pre-configured in wireless controller, and according to VRRP
（Virtual Router Redundancy Protocol, Virtual Router Redundacy Protocol）Negotiate main and standby relation.
Primary wireless controller obtains the address information of spare wireless controller according to configuration information, with spare wireless control
Device establishes synchronizing channel, if synchronizing channel is successfully established, primary wireless controller is by synchronizing channel by key business number
According to being synchronized to spare wireless controller；If synchronizing channel does not set up success, primary wireless controller is in spare wireless control
When device is not actuated, periodically attempted to establish the synchronizing channel between spare wireless controller according to prefixed time interval.
Through the above scheme, primary wireless controller establishes synchronizing channel to the present embodiment with spare wireless controller, passes through
Key business data is synchronized to spare wireless controller by the synchronizing channel；Spare wireless controller is according to the key business of reception
Data configuration goes out other required associated traffic datas；Primary wireless controller is examined with spare wireless controller by link later
Whether the primary wireless controller side of survey mechanism detection is abnormal, if so, spare wireless controller is switched to primary wireless controller,
Holding business is not interrupted, and overcomes active and standby wireless controller switching existing in the prior art unreliable as a result, and synchrodata effect
Rate low problem and defect, reduce the influence that AP is brought, and achieving primary wireless controller not influences processing business situation
The effect of lower synchrodata high efficient and reliable, avoids the operation configured again on spare wireless controller, and reducing error can
Can, human cost is saved, ensure that wireless traffic does not interrupt, improves the reliability of system.
As shown in fig. 6, one embodiment of the invention proposes a kind of wireless controller disaster tolerance system, including：Primary wireless control
Device 201 and spare wireless controller 202；Wherein：
The primary wireless controller 201, for by advance synchronous logical with the spare wireless controller 202 foundation
Key business data is synchronized to the spare wireless controller 202 by road；
The spare wireless controller 202, it is other required for being constructed according to the key business data of reception
Associated traffic data；
The primary wireless controller 201 is additionally operable to examine by link detection mechanism with the spare wireless controller 202
Whether abnormal survey 201 side of primary wireless controller, if so, the spare wireless controller 202 be switched to it is primary wireless
Controller 201, holding business are not interrupted.
The structure of wireless network networking disaster tolerance involved by the present embodiment method is primary as shown in figure 4, in the wireless network
AC（Primary wireless controller 201）With spare AC（Spare wireless controller 202）By interchanger and more AP wired connections,
AP wirelessly with wireless subscriber communication, to provide wireless traffic；In addition, also passing through heartbeat between primary AC and spare AC
Line connects, and realizes that heartbeat is shaken hands interaction.
Wherein, it is pre-established between primary wireless controller 201 and spare wireless controller 202 dedicated synchronous logical
Road, and standby usage relationship is negotiated, key business data is synchronized to spare nothing by primary wireless controller 201 by synchronizing channel
Lane controller 202.
Primary wireless controller 201 adjusts according to the load of machinery systems of current system during synchrodata and sends speed
The synchronization of data is rapidly completed in rate, ensures the reliability of disaster tolerance.In addition, it is smaller for newly generated business datum amount, and the time
The small lot key business data of dispersion, can send in real time；It is negative in system for the large batch of key business data of caching
In the lotus most light predetermined time（Such as in daily morning）Batch sending, to be further ensured that data in active and standby wireless controller
It is consistent.
Above-mentioned key business data includes AP information and STA information etc..
Wireless controller is realization business, and it is related to store AP configuration informations, AP information, STA information, CAPWAP agreements
Data, network processing unit related data etc., the present embodiment are believed in view of primary wireless controller 201 manages a large amount of AP and STA
Breath, business datum amount is very big, if these data are synchronized to spare wireless controller 202, not only inefficiency, may be used also
Can lead in standby usage wireless controller 202 that data are inconsistent due to dealing with improperly, be more likely to make primary wireless controller 201 by
The processing of wireless traffic is influenced in synchronizing a large amount of data.Therefore, primary wireless controller 201 is in synchronous service data,
The critical datas such as AP information and STA information are only sent, to ensure data synchronization efficiency.
Spare wireless controller 202 receives the key business data and caching of the transmission of primary wireless controller 201.
Meanwhile spare wireless controller 202 reconfigures out other required letters according to the AP information and STA information that receive
Breath to improve synchronous efficiency, and ensures the consistent of data in standby usage wireless controller 202.
Specifically, spare wireless controller 202 reconfigures the key business data of caching, according to AP information and
STA information structurings go out needed for the wireless traffics such as AP configuration informations, network processing unit related data, CAPWAP agreement related datas
Total data.
Therefore, same AP configurations need to only configure once in primary wireless controller 201, avoid spare wireless controlled
Device 202 processed also wants the operation of manual configuration, to reduce the possibility artificially to malfunction, ensures nothing in standby usage wireless controller 202
Service data consistence needed for line service improves the reliability of disaster tolerance.
Later, the primary wireless controller 201 is detected with the spare wireless controller 202 by link detection mechanism
Whether 201 side of primary wireless controller is abnormal, if so, the spare wireless controller 202 is switched to primary wireless controlled
Device 201 processed, holding business are not interrupted.
Wherein, by link detection mechanism detect 201 side of primary wireless controller whether may be used extremely it is following two
Mode：
As a kind of detection mode：Primary wireless controller 201 passes through the synchronous logical of foundation with spare wireless controller 202
Road carries out heartbeat and shakes hands detection, when the primary wireless controller 201 breaks down, the inspection of spare wireless controller 202
Heartbeat interrupt is measured, determines 201 failure of primary wireless controller, therefore, the spare wireless controller 202 is in time based on switching
With wireless controller 201, holding business is not interrupted；
As another detection mode：Whether primary wireless controller 201 periodically detects its uplink abnormal；If uplink
Link is abnormal, then primary wireless controller 201 notifies spare wireless controller 202 to be switched to primary wireless controller 201, equally
Business can be kept not interrupt.
The present embodiment through the above scheme, reduces the influence that AP is brought, and achieving primary wireless controller 201 does not influence
The effect of synchrodata high efficient and reliable in the case of processing business, avoids the behaviour configured again on spare wireless controller 202
Make, reduces error possibility, save human cost, ensure that wireless traffic does not interrupt, improve the reliability of system.
Further, the primary wireless controller 201 is additionally operable to be negotiated according to VRRP with spare wireless controller 202
Main and standby relation, and the address information of spare wireless controller 202 is obtained, establish synchronizing channel with spare wireless controller 202.
Specifically, it is pre-configured with the address information of other wireless controllers in wireless controller, and is negotiated according to VRRP
Go out main and standby relation.
Primary wireless controller 201 obtains the address information of spare wireless controller 202 according to configuration information, with spare nothing
Lane controller 202 establishes synchronizing channel, if synchronizing channel is successfully established, primary wireless controller 201 passes through synchronizing channel
Key business data is synchronized to spare wireless controller 202；If synchronizing channel does not set up success, primary wireless controller
201 when spare wireless controller 202 is not actuated, is periodically attempted to establish and spare wireless controller according to prefixed time interval
Synchronizing channel between 202.
It should be noted that as a kind of specific application mode, it can be as needed in 201 He of primary wireless controller
Corresponding function module, such as synchronization module, sending module, receiving module, reconstruct mould are set in spare wireless controller 202
Block, control module, disaster tolerance module etc., wherein：
Synchronization module is used to determine the main and standby relation of wireless controller, if negotiating to be determined as primary wireless controller 201,
202 address information of spare wireless controller is obtained according to configuration information, establishes synchronizing channel；
In specific application scenarios, synchronization module is additionally operable to when spare wireless controller 202 is not actuated, in primary nothing
It is attempted according to preset gap periods on lane controller 201 and spare wireless controller 202 establishes synchronizing channel.
The synchronizing channel that sending module is used to establish by synchronization module sends primary to the spare wireless controller 202
The key business data that wireless controller 201 caches.
Receiving module is used to receive the business datum that sending module is sent by the synchronizing channel that synchronization module is established, and delays
It deposits.
The business datum that reconstructed module is used to cache receiving module reconfigures, and going out AP according to AP information structurings matches
Confidence ceases, and AP configuration informations need to only configure once in primary wireless controller 201, and that reduces that multiple human configuration malfunctions can
Energy；Go out the associated traffic datas such as CAPWAP agreements and network processing unit according to AP and STA information structurings, ensure that standby usage is wireless
The consistency of data in controller 202, improves the reliability of disaster tolerance.
Control module adjusts transmission mould for controlling sending module according to the burden degree of 201 system of primary wireless controller
The transmission rate of block, system burden is light, and transmission rate is fast, system burden weight, and transmission rate is slow, does not influence primary wireless controller
201 processing regular traffics.
In specific application scenarios, control module is additionally operable to the time of control synchronous service data, to the AP of new login
And STA information, real time data synchronization；To improve the reliability of disaster tolerance, ensure the consistent of data in active and standby wireless controller, daily
When morning system burden is most light, notice sending module synchronizes the key business data of all cachings, carries out batch synchronization, further
Ensure the reliability of disaster tolerance.
Disaster tolerance module carries out active-standby switch for detecting whether primary wireless controller 201 breaks down.On the one hand active and standby
Heartbeat is carried out with wireless controller 202 by the synchronizing channel that synchronization module is established to shake hands detection, when spare wireless controller 202
It detects that 201 heartbeat interrupt of primary wireless controller is switched to primary wireless controller 201 in time, continues to keep wireless traffic,
On the other hand, whether normal primary wireless controller 201 periodically detects its uplink, if abnormal carry out active and standby cut in time
It changes, new primary wireless controller 201 continues that wireless traffic is kept not interrupt.
Wireless controller of embodiment of the present invention disaster recovery method and system, primary wireless controller pass through advance and spare wireless
The synchronizing channel that controller is established, spare wireless controller is synchronized to by key business data；Spare wireless controller is according to connecing
The key business data of receipts constructs other required associated traffic datas；Primary wireless controller and spare wireless control later
Whether extremely device detects primary wireless controller side by link detection mechanism, if so, based on the switching of spare wireless controller
With wireless controller, holding business is not interrupted, and overcomes active and standby wireless controller switching existing in the prior art unreliable as a result,
And the problem of synchrodata inefficiency and defect, reduce the influence that AP is brought, achieving primary wireless controller does not influence
The effect of synchrodata high efficient and reliable in the case of processing business, avoids the operation configured again on spare wireless controller,
It is possible to reduce error, saves human cost, ensure that wireless traffic does not interrupt, improve the reliability of system.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every utilization
Equivalent structure made by description of the invention and accompanying drawing content or flow transformation, are applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (12)
1. a kind of wireless controller disaster recovery method, which is characterized in that including：
Key business data is synchronized to by primary wireless controller by the advance synchronizing channel established with spare wireless controller
The spare wireless controller, wherein the key business data includes at least wireless access point AP information and STA information；
The spare wireless controller constructs other required associated traffic datas according to the key business data of reception,
Wherein, the associated traffic data includes at least AP configuration informations, network processing unit related data, CAPWAP agreement dependency numbers
According to；
The primary wireless controller detects the primary wireless controlled with the spare wireless controller by link detection mechanism
Whether device side processed is abnormal, if so, the spare wireless controller is switched to primary wireless controller, holding business is not interrupted.
2. according to the method described in claim 1, it is characterized in that, the primary wireless controller synchronizes key business data
Include to the step of spare wireless controller：
The key business number of the primary wireless controller all cachings of batch synchronization within the system loading most light predetermined time
According to；And the small lot key business data that real-time synchronization is newly-generated.
3. according to the method described in claim 2, it is characterized in that, further including：
The primary wireless controller adjusts transmission rate during synchrodata, according to the load of machinery systems of current system.
4. according to the method described in claim 1, it is characterized in that, the primary wireless controller and the spare wireless control
Whether extremely device detects the primary wireless controller side by link detection mechanism, if so, the spare wireless controller
It is switched to primary wireless controller, the unbroken step of holding business includes：
The primary wireless controller and spare wireless controller carry out heartbeat by the synchronizing channel and shake hands detection；When described
When primary wireless controller breaks down, the spare wireless controller detects heartbeat interrupt, the spare wireless controller
It is switched to primary wireless controller, holding business is not interrupted；
Alternatively, whether extremely the primary wireless controller timing detects its uplink；If uplink is abnormal, the master
The spare wireless controller is notified to be switched to primary wireless controller with wireless controller, holding business is not interrupted.
5. according to the described method of any one of claim 1-4, which is characterized in that the primary wireless controller passes through advance
The synchronizing channel established with spare wireless controller, the step of key business data is synchronized to the spare wireless controller it
Before further include：
The primary wireless controller negotiates main and standby relation with spare wireless controller according to Virtual Router Redundacy Protocol VRRP,
The primary wireless controller obtains the address information of spare wireless controller, and synchronizing channel is established with spare wireless controller.
6. according to the method described in claim 5, it is characterized in that, further including：
The primary wireless controller is periodically attempted when the spare wireless controller is not actuated, according to prefixed time interval
Establish synchronizing channel.
7. a kind of wireless controller disaster tolerance system, which is characterized in that including：Primary wireless controller and spare wireless controller；
Wherein：
The primary wireless controller will be crucial for the synchronizing channel by being established in advance with the spare wireless controller
Synchronizing traffic data is to the spare wireless controller, wherein the key business data is believed including at least wireless access point AP
Breath and STA information；
The spare wireless controller, for constructing other required related services according to the key business data of reception
Data, wherein the associated traffic data includes at least AP configuration informations, network processing unit related data, CAPWAP agreement phases
Close data；
The primary wireless controller is additionally operable to detect by link detection mechanism described primary with the spare wireless controller
Whether wireless controller side is abnormal, if so, the spare wireless controller is switched to primary wireless controller, keeps business not
It interrupts.
8. system according to claim 7, which is characterized in that
The primary wireless controller is additionally operable to the key of all cachings of batch synchronization within the system loading most light predetermined time
Business datum；And the small lot key business data that real-time synchronization is newly-generated.
9. system according to claim 8, which is characterized in that
The primary wireless controller is additionally operable to during synchrodata, is adjusted and is sent out according to the load of machinery systems of current system
Transmission rate.
10. system according to claim 7, which is characterized in that
Spare wireless controller is additionally operable to carry out heartbeat by the synchronizing channel with the primary wireless controller to shake hands detection；
When the primary wireless controller breaks down, the spare wireless controller detects heartbeat interrupt, is switched to primary nothing
Lane controller, holding business are not interrupted；
Alternatively, the primary wireless controller is additionally operable to whether extremely timing detects its uplink；If uplink is abnormal,
The spare wireless controller is notified to be switched to primary wireless controller, holding business is not interrupted.
11. according to the system described in any one of claim 7-10, which is characterized in that
The primary wireless controller is additionally operable to negotiate main and standby relation according to VRRP with spare wireless controller, and obtains standby
With the address information of wireless controller, synchronizing channel is established with spare wireless controller.
12. system according to claim 11, which is characterized in that the primary wireless controller is additionally operable to described spare
When wireless controller is not actuated, periodically attempted to establish synchronizing channel according to prefixed time interval.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310188067.8A CN104185196B (en) | 2013-05-20 | 2013-05-20 | wireless controller disaster recovery method and system |
| PCT/CN2014/077173 WO2014187247A1 (en) | 2013-05-20 | 2014-05-09 | Disaster recovery method and system of wireless controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN105050127B (en) * | 2015-06-30 | 2019-04-26 | 深圳市信锐网科技术有限公司 | The standby starting control method of calamity and system |
| CN106921503B (en) * | 2015-12-24 | 2020-02-21 | 华为技术有限公司 | Data synchronization method, device and system |
| CN105577444B (en) * | 2015-12-30 | 2019-02-22 | 迈普通信技术股份有限公司 | A kind of wireless controller management method and wireless controller |
| CN107888491A (en) * | 2017-09-14 | 2018-04-06 | 上海博达数据通信有限公司 | HSB standby systems and the AC double hot standby methods based on two layers of networking VRRP agreements |
| CN107872824B (en) * | 2017-11-22 | 2020-12-08 | 深圳市信锐网科技术有限公司 | Wireless service processing method, device, equipment and storage medium |
| CN107948002B (en) * | 2017-12-29 | 2021-01-26 | 杭州迪普科技股份有限公司 | AP access control method and device |
| CN108934035B (en) * | 2018-06-26 | 2020-07-07 | 新华三技术有限公司 | Data backup method and device |
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| CN101583144A (en) * | 2009-07-07 | 2009-11-18 | 杭州华三通信技术有限公司 | Wireless controller service information backup method and equipment |
| CN101610533A (en) * | 2009-07-13 | 2009-12-23 | 杭州华三通信技术有限公司 | A kind of method and apparatus of realizing that the access controller backup is switched |
| EP2180728A1 (en) * | 2007-07-20 | 2010-04-28 | Fujitsu Limited | Emergency call number information acquiring system |
| CN102137021A (en) * | 2011-03-31 | 2011-07-27 | 北京傲天动联技术有限公司 | Remote redundancy back-up method of access controllers |
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| CN101568190B (en) * | 2009-06-04 | 2010-12-08 | 杭州华三通信技术有限公司 | Automatic backup method and apparatus for wireless controller configuration information |
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| EP2180728A1 (en) * | 2007-07-20 | 2010-04-28 | Fujitsu Limited | Emergency call number information acquiring system |
| CN101583144A (en) * | 2009-07-07 | 2009-11-18 | 杭州华三通信技术有限公司 | Wireless controller service information backup method and equipment |
| CN101610533A (en) * | 2009-07-13 | 2009-12-23 | 杭州华三通信技术有限公司 | A kind of method and apparatus of realizing that the access controller backup is switched |
| CN102137021A (en) * | 2011-03-31 | 2011-07-27 | 北京傲天动联技术有限公司 | Remote redundancy back-up method of access controllers |
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