CN104185196A - Wireless controller disaster recovery method and system thereof - Google Patents
Wireless controller disaster recovery method and system thereof Download PDFInfo
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- CN104185196A CN104185196A CN201310188067.8A CN201310188067A CN104185196A CN 104185196 A CN104185196 A CN 104185196A CN 201310188067 A CN201310188067 A CN 201310188067A CN 104185196 A CN104185196 A CN 104185196A
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Abstract
The invention relates to a wireless controller disaster recovery method and a system thereof. The wireless controller disaster recovery method comprises the steps of: synthesizing key business data to a standby wireless controller by a primary wireless controller through a synthesizing channel which is pre-established with the standby wireless controller; constructing other required related business data by the standby wireless controller by the received key business data; detecting whether the primary wireless controller side is abnormal by the primary wireless controller and the standby wireless controller through a link detecting mechanism, and if yes, switching the standby wireless controller as the primary wireless controller for keeping the business non-interrupted. The wireless controller disaster recovery method and the system have functions of: reducing an effect caused by an AP, realizing an effect of efficient and reliable data synchronization on condition that the primary wireless controller does not affect business processing, preventing reconfiguration operation on the standby wireless controller, reducing mistake possibility, saving manpower cost, ensuring no interruption of the wireless business, and improving system reliability.
Description
Technical field
The present invention relates to computer network communication technology field, relate in particular to a kind of disaster recovery method and system of wireless controller high efficient and reliable.
Background technology
In existing wireless lan (wlan) networking, generally by WAP (wireless access point) (Access Pont, AP) and wireless controller (Access Controller, AC), realize.In the networking model of this AC+AP, the upper realization of AP " zero configuration ", AC completes the functions such as authentication to wireless user, configuration, data retransmission, plays centralized control effect, to coordinate AP to realize more value-added service.Between AC and AP, can set up CAPWAP link communication by wireless access point control and deployment agreement (Controlling and Provisioning of Wireless Access Pont, CAPWAP).
Fig. 1 is existing typical wireless network networking structure schematic diagram, and as shown in Figure 1, in this wireless network, AC is by switch and many AP wired connections, and AP is by wireless mode and wireless subscriber communication, so that wireless traffic to be provided.In AC, preserved to the AP of its registration and wireless user's business datum to keep wireless traffic, for avoiding link failure or AC to break down, cause that wireless traffic interrupts, while is along with AP and wireless user's continuous increase, the disaster tolerance demand of the disaster tolerance to AC system, especially high efficient and reliable is day by day strong especially.
In prior art, more common disaster recovery solution as shown in Figure 2, be that AP sets up host-standby communication passage with primary wireless controller (primary AC) and standby wireless controller (standby AC) simultaneously, primary wireless controller sends to AP by business datum, AP sends to standby wireless controller by this business information by alternate channel again, when AP detect with primary wireless controller communication disruption after, AP cut-in stand-by communication channel is that primary communication channel continues to keep wireless traffic.This scheme is mainly by AP, to realize the forwarding of business datum, although technical scheme is simple, but increased AP burden, and only have when AP detect with primary AC communication disruption after just initiatively there is active and standby switching, caused the interruption of wireless traffic, the disaster tolerance due to AC is controlled by AP and can not dock the AP of other manufacturer again.
In addition, for the disaster recovery solution of AC, prior art also has the scheme of the primary AC of a kind of direct appointment and standby AC, and standby usage AC configuration is identical, and primary AC directly sends to data standby AC, and standby AC receives data storage.When primary AC breaks down, be switched to standby AC and continue maintenance business.Although the method realizes simple, but still the problem that exists wireless traffic to interrupt, and AC, as core control equipment, needs synchronous business datum amount very large, adopts this scheme to cause HD and traffic affecting processing to primary AC.
Summary of the invention
Main purpose of the present invention is to provide a kind of wireless controller disaster recovery method and system of high efficient and reliable.
In order to achieve the above object, the present invention proposes a kind of wireless controller disaster recovery method, comprising:
Primary wireless controller, by the synchronizing channel of setting up with standby wireless controller in advance, is synchronized to described standby wireless controller by key business data;
Described standby wireless controller constructs other required related service data according to the described key business data receiving;
Whether described primary wireless controller and described standby wireless controller detect described primary wireless controller side by link detecting mechanism abnormal, and if so, described standby wireless controller switches to primary wireless controller, and maintenance business is not interrupted.
Preferably, the step that described primary wireless controller is synchronized to described standby wireless controller by key business data comprises:
Described primary wireless controller is at the key business data of system loading all buffer memorys of batch synchronization in the lightest scheduled time; And the newly-generated small lot key business data of real-time synchronization.
Preferably, the method also comprises:
Described primary wireless controller, in the process of synchrodata, is adjusted transmission rate according to the load of machinery systems of current system.
Preferably, described key business data at least comprises AP information and STA information.
Preferably, whether described primary wireless controller and described standby wireless controller detect described primary wireless controller side by link detecting mechanism abnormal, if so, described standby wireless controller switches to primary wireless controller, and the unbroken step of maintenance business comprises:
Described primary wireless controller and standby wireless controller carry out the heartbeat detection of shaking hands by described synchronizing channel; When described primary wireless controller breaks down, described standby wireless controller detects heartbeat and interrupts, and described standby wireless controller switches to primary wireless controller, and maintenance business is not interrupted;
Or whether described primary wireless controller regularly detects its up link abnormal; If up link is abnormal, described primary wireless controller notifies described standby wireless controller to switch to primary wireless controller, and maintenance business is not interrupted.
Preferably, described primary wireless controller is by the synchronizing channel of setting up with standby wireless controller in advance, also comprises before key business data being synchronized to the step of described standby wireless controller:
Described primary wireless controller and standby wireless controller negotiate main and standby relation according to VRRP, and described primary wireless controller obtains the address information of standby wireless controller, set up synchronizing channel with standby wireless controller.
Preferably, the method also comprises:
Described primary wireless controller, when described standby wireless controller does not start, attempts setting up synchronizing channel according to Preset Time gap periods.
The present invention also proposes a kind of wireless controller disaster tolerance system, comprising: primary wireless controller and standby wireless controller; Wherein:
Described primary wireless controller, for by the synchronizing channel of setting up with described standby wireless controller in advance, is synchronized to described standby wireless controller by key business data;
Described standby wireless controller, for constructing other required related service data according to the described key business data receiving;
Whether described primary wireless controller and described standby wireless controller be also abnormal for detecting described primary wireless controller side by link detecting mechanism, and if so, described standby wireless controller switches to primary wireless controller, and maintenance business is not interrupted.
Preferably, described primary wireless controller, also for the key business data at system loading all buffer memorys of batch synchronization in the lightest scheduled time; And the newly-generated small lot key business data of real-time synchronization.
Preferably, described primary wireless controller, also for the process in synchrodata, adjusts transmission rate according to the load of machinery systems of current system.
Preferably, standby wireless controller is also for carrying out the heartbeat detection of shaking hands with described primary wireless controller by described synchronizing channel; When described primary wireless controller breaks down, described standby wireless controller detects heartbeat and interrupts, and switches to primary wireless controller, and maintenance business is not interrupted;
Or whether described primary wireless controller is also abnormal for regularly detecting its up link; If up link is abnormal, notify described standby wireless controller to switch to primary wireless controller, maintenance business is not interrupted.
Preferably, described primary wireless controller is also for negotiating main and standby relation with standby wireless controller according to VRRP, and the address information of obtaining standby wireless controller, sets up synchronizing channel with standby wireless controller.
Preferably, described primary wireless controller, also for when described standby wireless controller does not start, attempts setting up synchronizing channel according to Preset Time gap periods.
A kind of wireless controller disaster recovery method and system that the embodiment of the present invention proposes, primary wireless controller, by the synchronizing channel of setting up with standby wireless controller in advance, is synchronized to standby wireless controller by key business data, standby wireless controller constructs other required related service data according to the key business data receiving, whether primary wireless controller and standby wireless controller be abnormal by the primary wireless controller side of link detecting mechanism detection afterwards, if, standby wireless controller switches to primary wireless controller, maintenance business is not interrupted, thus, overcome problem and defect that the active and standby wireless controller existing in prior art switches unreliable and synchrodata inefficiency, reduced the impact that AP brings, obtain primary wireless controller and do not affected the effect of processing synchrodata high efficient and reliable under service conditions, avoided the operation of configuration again on standby wireless controller, reduced the possibility of makeing mistakes, saved human cost, guaranteed that wireless traffic does not interrupt, improved the reliability of system.
Accompanying drawing explanation
Fig. 1 is existing a kind of wireless network networking structure schematic diagram;
Fig. 2 is the structural representation of AP dual link disaster tolerance in prior art;
Fig. 3 is the schematic flow sheet of wireless controller disaster recovery method one embodiment 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 schematic flow sheet of another embodiment of wireless controller disaster recovery method of the present invention;
Fig. 6 is the structural representation of wireless controller disaster tolerance system one embodiment of the present invention.
In order to make technical scheme of the present invention clearer, clear, below in conjunction with accompanying drawing, be described in further detail.
Embodiment
The solution of the embodiment of the present invention is mainly: between standby usage wireless controller, consult main and standby relation, set up synchronizing channel with standby wireless controller, by synchronizing channel, key business data is synchronized to standby wireless controller; Standby wireless controller constructs other required related service data according to the key business data receiving; Whether primary wireless controller and standby wireless controller be abnormal by the primary wireless controller side of link detecting mechanism detection afterwards, if, standby wireless controller switches to primary wireless controller, maintenance business is not interrupted, thus, overcome problem and defect that the active and standby wireless controller existing in prior art switches unreliable and synchrodata inefficiency, reduced the impact that AP brings, avoid the operation of configuration again on standby wireless controller, save human cost, guarantee that wireless traffic does not interrupt, improve the reliability of system.
As shown in Figure 3, one embodiment of the invention proposes a kind of wireless controller disaster recovery method, comprising:
Step S101, primary wireless controller, by the synchronizing channel of setting up with standby wireless controller in advance, is synchronized to described standby wireless controller by key business data;
The structure of the wireless network networking disaster tolerance that the present embodiment method is related as shown in Figure 4, in this wireless network, the primary wireless controller of primary AC() with the standby wireless controller of standby AC() all by switch and many AP wired connections, AP is by wireless mode and wireless subscriber communication, so that wireless traffic to be provided; In addition, between primary AC and standby AC, also by heartbeat, be connected, realize heartbeat and shake hands alternately.
Wherein, set up and have special-purpose synchronizing channel in advance, and negotiate standby usage relation between primary wireless controller and standby wireless controller, primary wireless controller is synchronized to standby wireless controller by synchronizing channel by key business data.
Primary wireless controller, in the process of synchrodata, is adjusted transmission rate according to the load of machinery systems of current system, completes fast the synchronous of data, guarantees the reliability of disaster tolerance.In addition, less for the business datum amount of new generation, and the small lot key business data of time dispersion, can send in real time; For the large batch of key business data of buffer memory, at system loading (such as the morning in every day) Batch sending in the lightest scheduled time, further to guarantee the consistent of data in active and standby wireless controller.
Above-mentioned key business data comprises AP information and STA information etc.
Wireless controller is for realizing business, stored AP configuration information, AP information, STA(Station, stand) information, CAPWAP agreement related data, network processing unit related data etc., the present embodiment is considered AP and the STA information that primary controlled in wireless management is a large amount of, its business datum amount is very large, if these data are all synchronized to standby wireless controller, inefficiency not only, also may cause in standby usage wireless controller data inconsistent owing to dealing with improperly, more may make primary wireless controller because synchronous a large amount of data affect the processing of wireless traffic.Therefore, primary wireless controller, when synchronous service data, only sends the critical datas such as AP information and STA information, to guarantee data synchronization efficiency.
Step S102, described standby wireless controller constructs other required related service data according to the described key business data receiving;
Standby wireless controller receives key business data the buffer memory that primary wireless controller sends.
Meanwhile, standby wireless controller re-constructs out other required information according to AP information and the STA information received, to improve synchronous efficiency, and guarantees the consistent of data in standby usage wireless controller.
Particularly, standby wireless controller re-constructs the key business data of buffer memory, according to AP information and STA information structuring, goes out the required total datas of wireless traffic such as AP configuration information, network processing unit related data, CAPWAP agreement related data.
Therefore, same AP configuration only need be in primary wireless controller configuration once, avoided standby wireless controller also to want the operation of manual configuration, thereby reducing people is possible of makeing mistakes, guarantee the required service data consistence of wireless traffic in standby usage wireless controller, improved the reliability of disaster tolerance.
Step S103, whether described primary wireless controller and described standby wireless controller detect described primary wireless controller side by link detecting mechanism abnormal, and if so, described standby wireless controller switches to primary wireless controller, and maintenance business is not interrupted.
Wherein, by link detecting mechanism, detect primary wireless controller side and whether extremely can adopt following two kinds of modes:
As a kind of detection mode: primary wireless controller and standby wireless controller carry out the heartbeat detection of shaking hands by the synchronizing channel of setting up, when described primary wireless controller breaks down, described standby wireless controller detects heartbeat and interrupts, determine primary wireless controller fault, therefore, described standby wireless controller switches to primary wireless controller in time, and maintenance business is not interrupted;
As another kind of detection mode: whether primary wireless controller regularly detects its up link abnormal; If up link is abnormal, primary wireless controller notifies standby wireless controller to switch to primary wireless controller, can keep equally business not interrupt.
The present embodiment passes through such scheme, reduced the impact that AP brings, obtain primary wireless controller and do not affected the effect of processing synchrodata high efficient and reliable under service conditions, avoided the operation of configuration again on standby wireless controller, reduced the possibility of makeing mistakes, save human cost, guaranteed that wireless traffic does not interrupt, improved the reliability of system.
As shown in Figure 5, another embodiment of the present invention proposes a kind of wireless controller disaster recovery method, on the basis of above-described embodiment, before above-mentioned steps S101, also comprises:
Step S100, primary wireless controller and standby wireless controller negotiate main and standby relation according to VRRP, and described primary wireless controller obtains the address information of standby wireless controller, sets up synchronizing channel with standby wireless controller.
The difference of the present embodiment and above-described embodiment is, the present embodiment also comprises that primary wireless controller and standby wireless controller set up the scheme of synchronizing channel.
Particularly, the address information of pre-configured other wireless controller 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 standby wireless controller according to configuration information, set up synchronizing channel with standby wireless controller, if synchronizing channel is successfully established, primary wireless controller is synchronized to standby wireless controller by synchronizing channel by key business data; If synchronizing channel is not successfully established, primary wireless controller, when standby wireless controller does not start, is attempted the synchronizing channel between foundation and standby wireless controller according to Preset Time gap periods.
The present embodiment is by such scheme, and primary wireless controller and standby wireless controller are set up synchronizing channel, by this synchronizing channel, key business data are synchronized to standby wireless controller, standby wireless controller constructs other required related service data according to the key business data receiving, whether primary wireless controller and standby wireless controller be abnormal by the primary wireless controller side of link detecting mechanism detection afterwards, if, standby wireless controller switches to primary wireless controller, maintenance business is not interrupted, thus, overcome problem and defect that the active and standby wireless controller existing in prior art switches unreliable and synchrodata inefficiency, reduced the impact that AP brings, obtain primary wireless controller and do not affected the effect of processing synchrodata high efficient and reliable under service conditions, avoided the operation of configuration again on standby wireless controller, reduced the possibility of makeing mistakes, saved human cost, guaranteed that wireless traffic does not interrupt, improved the reliability of system.
As shown in Figure 6, one embodiment of the invention proposes a kind of wireless controller disaster tolerance system, comprising: primary wireless controller 201 and standby wireless controller 202; Wherein:
Described primary wireless controller 201, for by the synchronizing channel of setting up with described standby wireless controller 202 in advance, is synchronized to described standby wireless controller 202 by key business data;
Described standby wireless controller 202, for constructing other required related service data according to the described key business data receiving;
Whether described primary wireless controller 201 is also abnormal for detecting described primary wireless controller 201 sides by link detecting mechanism with described standby wireless controller 202, if, described standby wireless controller 202 switches to primary wireless controller 201, and maintenance business is not interrupted.
The structure of the wireless network networking disaster tolerance that the present embodiment method is related as shown in Figure 4, in this wireless network, the primary wireless controller 201 of primary AC() with the standby wireless controller 202 of standby AC() all by switch and many AP wired connections, AP is by wireless mode and wireless subscriber communication, so that wireless traffic to be provided; In addition, between primary AC and standby AC, also by heartbeat, be connected, realize heartbeat and shake hands alternately.
Wherein, set up and have special-purpose synchronizing channel in advance, and negotiate standby usage relation between primary wireless controller 201 and standby wireless controller 202, primary wireless controller 201 is synchronized to standby wireless controller 202 by synchronizing channel by key business data.
Primary wireless controller 201, in the process of synchrodata, is adjusted transmission rate according to the load of machinery systems of current system, completes fast the synchronous of data, guarantees the reliability of disaster tolerance.In addition, less for the business datum amount of new generation, and the small lot key business data of time dispersion, can send in real time; For the large batch of key business data of buffer memory, at system loading (such as the morning in every day) Batch sending in the lightest scheduled time, further to guarantee the consistent of data in active and standby wireless controller.
Above-mentioned key business data comprises AP information and STA information etc.
Wireless controller is for realizing business, AP configuration information, AP information, STA information, CAPWAP agreement related data, network processing unit related data etc. have been stored, the present embodiment is considered a large amount of AP and the STA information of primary wireless controller 201 management, its business datum amount is very large, if these data are all synchronized to standby wireless controller 202, inefficiency not only, also may cause in standby usage wireless controller 202 data inconsistent owing to dealing with improperly, more may make primary wireless controller 201 because synchronous a large amount of data affect the processing of wireless traffic.Therefore, primary wireless controller 201, when synchronous service data, only sends the critical datas such as AP information and STA information, to guarantee data synchronization efficiency.
Standby wireless controller 202 receives key business data the buffer memory that primary wireless controller 201 sends.
Meanwhile, standby wireless controller 202 re-constructs out other required information according to AP information and the STA information received, to improve synchronous efficiency, and guarantees the consistent of data in standby usage wireless controller 202.
Particularly, the key business data of 202 pairs of buffer memorys of standby wireless controller re-constructs, and according to AP information and STA information structuring, goes out the required total datas of wireless traffic such as AP configuration information, network processing unit related data, CAPWAP agreement related data.
Therefore, same AP configuration only need be in primary wireless controller 201 configurations once, avoided standby wireless controller 202 also to want the operation of manual configuration, thereby reducing people is possible of makeing mistakes, guarantee the required service data consistence of wireless traffic in standby usage wireless controller 202, improved the reliability of disaster tolerance.
Afterwards, whether described primary wireless controller 201 is abnormal by described primary wireless controller 201 sides of link detecting mechanism detection with described standby wireless controller 202, if so, described standby wireless controller 202 switches to primary wireless controller 201, and maintenance business is not interrupted.
Wherein, by link detecting mechanism, detect primary wireless controller 201 sides and whether extremely can adopt following two kinds of modes:
As a kind of detection mode: primary wireless controller 201 and standby wireless controller 202 carry out the heartbeat detection of shaking hands by the synchronizing channel of setting up, when described primary wireless controller 201 breaks down, described standby wireless controller 202 detects heartbeat and interrupts, determine primary wireless controller 201 faults, therefore, described standby wireless controller 202 switches to primary wireless controller 201 in time, and maintenance business is not interrupted;
As another kind of detection mode: whether primary wireless controller 201 regularly detects its up link abnormal; If up link is abnormal, primary wireless controller 201 notifies standby wireless controller 202 to switch to primary wireless controller 201, can keep equally business not interrupt.
The present embodiment passes through such scheme, reduced the impact that AP brings, obtain primary wireless controller 201 and do not affected the effect of processing synchrodata high efficient and reliable under service conditions, avoided the operation of configuration again on standby wireless controller 202, reduced the possibility of makeing mistakes, save human cost, guaranteed that wireless traffic does not interrupt, improved the reliability of system.
Further, described primary wireless controller 201 is also for negotiating main and standby relation with standby wireless controller 202 according to VRRP, and the address information of obtaining standby wireless controller 202, sets up synchronizing channel with standby wireless controller 202.
Particularly, the address information of pre-configured other wireless controller in wireless controller, and negotiate main and standby relation according to VRRP.
Primary wireless controller 201 obtains the address information of standby wireless controller 202 according to configuration information, set up synchronizing channel with standby wireless controller 202, if synchronizing channel is successfully established, primary wireless controller 201 is synchronized to standby wireless controller 202 by synchronizing channel by key business data; If synchronizing channel is not successfully established, primary wireless controller 201, when standby wireless controller 202 does not start, is attempted the synchronizing channel between foundation and standby wireless controller 202 according to Preset Time gap periods.
It should be noted that, as a kind of concrete application mode, can in primary wireless controller 201 and standby wireless controller 202, corresponding functional module be set as required, such as synchronization module, sending module, receiver module, reconstructed module, control module, disaster tolerance module etc., wherein:
Synchronization module, for determining the main and standby relation of wireless controller, if consult to be defined as primary wireless controller 201, obtains described standby wireless controller 202 address informations according to configuration information, sets up synchronizing channel;
In concrete application scenarios, synchronization module, also for when standby wireless controller 202 does not start, is attempted setting up synchronizing channel with standby wireless controller 202 according to default gap periods on primary wireless controller 201.
Sending module sends the key business data of primary wireless controller 201 buffer memorys for the synchronizing channel of setting up by synchronization module to described standby wireless controller 202.
Receiver module receives for the synchronizing channel of setting up by synchronization module the business datum that sending module sends, and buffer memory.
Reconstructed module, for the business datum of receiver module buffer memory is re-constructed, goes out AP configuration information according to AP information structuring, and AP configuration information only need in primary wireless controller 201 configurations once, reduce repeatedly the possibility that human configuration is made mistakes; According to AP and STA information structuring, go out the related service data such as CAPWAP agreement and network processing unit, guaranteed the consistency of data in standby usage wireless controller 202, improved the reliability of disaster tolerance.
Control module is adjusted the transmission rate of sending module for controlling sending module according to the burden degree of primary wireless controller 201 systems, system burden is light, and transmission rate is fast, system burden weight, transmission rate is slow, does not affect primary wireless controller 201 and processes regular traffic.
In concrete application scenarios, control module is also for controlling the time of synchronous service data, to the AP of new login and STA information, real time data synchronization; For improving the reliability of disaster tolerance, guarantee the consistent of data in active and standby wireless controller, when morning every day, system burden was the lightest, the key business data of the synchronous all buffer memorys of notice sending module, carries out batch synchronization, further guarantees the reliability of disaster tolerance.
Whether disaster tolerance module breaks down for detection of primary wireless controller 201, carries out active and standby switching.The synchronizing channel that on the one hand standby usage wireless controller 202 is set up by synchronization module carries out the heartbeat detection of shaking hands, when detecting primary wireless controller 201 heartbeats, standby wireless controller 202 interrupts switching in time primary wireless controller 201, continue to keep wireless traffic, on the other hand, whether primary wireless controller 201 regularly detects its up link normal, if carry out extremely in time active and standby switching, new primary wireless controller 201 continues to keep wireless traffic not interrupt.
Embodiment of the present invention wireless controller disaster recovery method and system, primary wireless controller, by the synchronizing channel of setting up with standby wireless controller in advance, is synchronized to standby wireless controller by key business data, standby wireless controller constructs other required related service data according to the key business data receiving, whether primary wireless controller and standby wireless controller be abnormal by the primary wireless controller side of link detecting mechanism detection afterwards, if, standby wireless controller switches to primary wireless controller, maintenance business is not interrupted, thus, overcome problem and defect that the active and standby wireless controller existing in prior art switches unreliable and synchrodata inefficiency, reduced the impact that AP brings, obtain primary wireless controller and do not affected the effect of processing synchrodata high efficient and reliable under service conditions, avoided the operation of configuration again on standby wireless controller, reduced the possibility of makeing mistakes, saved human cost, guaranteed that wireless traffic does not interrupt, improved the reliability of system.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (13)
1. a wireless controller disaster recovery method, is characterized in that, comprising:
Primary wireless controller, by the synchronizing channel of setting up with standby wireless controller in advance, is synchronized to described standby wireless controller by key business data;
Described standby wireless controller constructs other required related service data according to the described key business data receiving;
Whether described primary wireless controller and described standby wireless controller detect described primary wireless controller side by link detecting mechanism abnormal, and if so, described standby wireless controller switches to primary wireless controller, and maintenance business is not interrupted.
2. method according to claim 1, is characterized in that, the step that described primary wireless controller is synchronized to described standby wireless controller by key business data comprises:
Described primary wireless controller is at the key business data of system loading all buffer memorys of batch synchronization in the lightest scheduled time; And the newly-generated small lot key business data of real-time synchronization.
3. method according to claim 2, is characterized in that, also comprises:
Described primary wireless controller, in the process of synchrodata, is adjusted transmission rate according to the load of machinery systems of current system.
4. method according to claim 1, is characterized in that, described key business data at least comprises wireless access point AP information and STA information.
5. method according to claim 1, it is characterized in that, whether described primary wireless controller and described standby wireless controller detect described primary wireless controller side by link detecting mechanism abnormal, if, described standby wireless controller switches to primary wireless controller, and the unbroken step of maintenance business comprises:
Described primary wireless controller and standby wireless controller carry out the heartbeat detection of shaking hands by described synchronizing channel; When described primary wireless controller breaks down, described standby wireless controller detects heartbeat and interrupts, and described standby wireless controller switches to primary wireless controller, and maintenance business is not interrupted;
Or whether described primary wireless controller regularly detects its up link abnormal; If up link is abnormal, described primary wireless controller notifies described standby wireless controller to switch to primary wireless controller, and maintenance business is not interrupted.
6. according to the method described in any one in claim 1-5, it is characterized in that, described primary wireless controller is by the synchronizing channel of setting up with standby wireless controller in advance, also comprises before key business data being synchronized to the step of described standby wireless controller:
Described primary wireless controller and standby wireless controller negotiate main and standby relation according to Virtual Router Redundacy Protocol VRRP, and described primary wireless controller obtains the address information of standby wireless controller, set up synchronizing channel with standby wireless controller.
7. method according to claim 6, is characterized in that, also comprises:
Described primary wireless controller, when described standby wireless controller does not start, attempts setting up synchronizing channel according to Preset Time gap periods.
8. a wireless controller disaster tolerance system, is characterized in that, comprising: primary wireless controller and standby wireless controller; Wherein:
Described primary wireless controller, for by the synchronizing channel of setting up with described standby wireless controller in advance, is synchronized to described standby wireless controller by key business data;
Described standby wireless controller, for constructing other required related service data according to the described key business data receiving;
Whether described primary wireless controller and described standby wireless controller be also abnormal for detecting described primary wireless controller side by link detecting mechanism, and if so, described standby wireless controller switches to primary wireless controller, and maintenance business is not interrupted.
9. system according to claim 8, is characterized in that,
Described primary wireless controller, also for the key business data at system loading all buffer memorys of batch synchronization in the lightest scheduled time; And the newly-generated small lot key business data of real-time synchronization.
10. system according to claim 9, is characterized in that,
Described primary wireless controller, also for the process in synchrodata, adjusts transmission rate according to the load of machinery systems of current system.
11. systems according to claim 8, is characterized in that,
Standby wireless controller is also for carrying out the heartbeat detection of shaking hands with described primary wireless controller by described synchronizing channel; When described primary wireless controller breaks down, described standby wireless controller detects heartbeat and interrupts, and switches to primary wireless controller, and maintenance business is not interrupted;
Or whether described primary wireless controller is also abnormal for regularly detecting its up link; If up link is abnormal, notify described standby wireless controller to switch to primary wireless controller, maintenance business is not interrupted.
System in 12. according to Claim 8-11 described in any one, is characterized in that,
Described primary wireless controller is also for negotiating main and standby relation with standby wireless controller according to VRRP, and the address information of obtaining standby wireless controller, sets up synchronizing channel with standby wireless controller.
13. systems according to claim 12, is characterized in that, described primary wireless controller, also for when described standby wireless controller does not start, attempts setting up synchronizing channel according to Preset Time gap periods.
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| 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 |
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| CN201310188067.8A CN104185196B (en) | 2013-05-20 | 2013-05-20 | wireless controller disaster recovery method and system |
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| CN104185196B CN104185196B (en) | 2018-10-23 |
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| CN105050127A (en) * | 2015-06-30 | 2015-11-11 | 深圳市信锐网科技术有限公司 | Disaster recovery start control method and system |
| CN105577444A (en) * | 2015-12-30 | 2016-05-11 | 迈普通信技术股份有限公司 | Wireless controller management method and wireless controller |
| CN106921503A (en) * | 2015-12-24 | 2017-07-04 | 华为技术有限公司 | A kind of method of data synchronization, apparatus and system |
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|---|---|
| WO2014187247A1 (en) | 2014-11-27 |
| CN104185196B (en) | 2018-10-23 |
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