CN107124731A - A kind of method and system of WAP backup - Google Patents
A kind of method and system of WAP backup Download PDFInfo
- Publication number
- CN107124731A CN107124731A CN201710312004.7A CN201710312004A CN107124731A CN 107124731 A CN107124731 A CN 107124731A CN 201710312004 A CN201710312004 A CN 201710312004A CN 107124731 A CN107124731 A CN 107124731A
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- Prior art keywords
- standby
- primary
- network system
- radio
- wirelessly access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of method and system of WAP backup, methods described is applied to Radio Network System, Radio Network System is in the overlay area of each wireless access point AP, all it is deployed with least two AP, any AP at least two AP is enabled as primary AP wirelessly access is provided, at least one AP at least two AP in addition to primary AP is enabled as standby AP, method includes：Standby AP receives radio frames；If standby AP does not receive Target Wireless frame in preset time, standby AP provides wirelessly access.From above technical scheme, the embodiment of the present invention realizes monitoring of the standby AP to primary AP working conditions by using standby AP to the monitoring of primary AP radio frames, because radio frames transmit cycle is shorter, compared to the mode of heartbeat message, the preset time for AP breakdown judges can be configured to a shorter duration.So, after primary AP breaks down, enable the time-consuming shorter of standby AP, better user experience.
Description
Technical field
The application is related to the method and system of communication technical field, more particularly to WAP backup.
Background technology
In network communications, disposed for wireless network construction, typically all using an AC (Wireless Access
Point Controller, wireless access point controller) (Wireless Access Point, wirelessly connect the multiple AP of unified management
Access point) mode, which can coordinate AC products to be covered to set up larger wireless network, use field with a number of AP
Scape can be market, supermarket, sight spot, hotel, food and drink amusement, enterprise's office etc..When which disposes AP, an AP covering one
Individual region, adjacent AP is spaced a distance, when one of AP breaks down, and its region covered will be without wireless communication
Number, influence Consumer's Experience.So needing to provide at least one AP by each existing AP as backup.
Each AP disposed is set to primary AP by existing AP redundancy techniques, and sets standby by each primary AP
CAPWAP (Control And Provisioning of are set up between AP, AC and primary AP and standby AP respectively
Wireless Access Points Protocol Specification, the control of WAP and configuration protocol) tunnel
Connection, AC is by heartbeat message, and its CAPWAP tunnel between primary AP of periodic detection be connected signal, when AC is detected with leading
With between AP CAPWAP tunnel interrupt when, AC to standby AP issue with primary AP identicals configuration information, then control standby
AP launches and primary AP identicals wireless signal, and wireless service is provided instead of primary AP.
But due to Internet resources limitation, it is excessively frequent that the cycle that heartbeat message is reported can not be set, and heartbeat message
Report it is time-consuming itself is also longer, so, after primary AP breaks down, using existing AP redundancy techniques, may enable standby
Time-consuming longer with AP, Consumer's Experience is poor.
The content of the invention
The embodiment of the present invention provides the method and system of WAP backup, standby for solving existing WAP
Part method enables the time-consuming longer of standby AP, the problem of Consumer's Experience is poor.
There is provided a kind of method that WAP is backed up for first aspect according to embodiments of the present invention, it is characterised in that institute
Method is stated applied to Radio Network System, the Radio Network System is in the overlay area of each wireless access point AP, all
At least two AP are deployed with, wherein, any AP at least two AP is enabled as primary AP, and wirelessly access is provided,
At least one AP at least two AP in addition to the primary AP is enabled as standby AP, methods described includes：
The standby AP receives radio frames；
Launched if the standby AP is not received in preset time when the primary AP provides wirelessly access
Target Wireless frame, then the standby AP wirelessly access is provided.
There is provided the system that a kind of WAP is backed up for second aspect according to embodiments of the present invention, it is characterised in that institute
System is stated applied to Radio Network System, the Radio Network System is in the overlay area of each wireless access point AP, all
At least two AP are deployed with, wherein, any AP at least two AP is enabled as primary AP, and wirelessly access is provided,
At least one AP at least two AP in addition to the primary AP is enabled as standby AP,
AP in the Radio Network System includes receiving unit and radio service unit；
When AP in the Radio Network System is as standby AP, the receiving unit, for receiving radio frames；
When AP in the Radio Network System is as standby AP, the radio service unit, for being received when described
Unit do not received in preset time when the primary AP provides the Target Wireless frame launched during wirelessly access there is provided
Wirelessly access.
From above technical scheme, the embodiment of the present invention is realized by using standby AP to the monitoring of primary AP radio frames
Monitoring of the standby AP to primary AP working conditions, judge if not receiving radio frames in predetermined interval primary AP occur therefore
Barrier, enables standby AP and provides any wireless network services.Because primary AP and standby AP are deployed in the same area, and radio frames are sent out in itself
Penetrate that the cycle is shorter, compared to the mode for reporting heartbeat message in the prior art, it is above-mentioned for primary AP breakdown judges it is default between
Every can be configured to a shorter duration.So, after primary AP breaks down, the time-consuming shorter of standby AP is enabled, is used
Family experience is preferable.
Brief description of the drawings
Fig. 1 is an application scenarios schematic diagram of the method that WAP of the embodiment of the present invention is backed up；
Fig. 2 is one embodiment flow chart for the method that WAP of the present invention is backed up；
Fig. 3 is another embodiment flow chart for the method that WAP of the present invention is backed up；
Fig. 4 is another application scenarios schematic diagram for the method that WAP of the embodiment of the present invention is backed up；
Fig. 5 is one embodiment block diagram for the system that WAP of the present invention is backed up.
Embodiment
In order that those skilled in the art are better understood from the technical scheme in the embodiment of the present invention, and make of the invention real
Applying the above-mentioned purpose of example, feature and advantage can be more obvious understandable, below in conjunction with the accompanying drawings to the technology in the embodiment of the present invention
Scheme is described in further detail.
Fig. 1 is an application scenarios schematic diagram of the method that WAP of the embodiment of the present invention is backed up.
As shown in figure 1, being included in the scene：(Switch is exchanged by AC, AP, STA (Station, wireless terminal) and SW
Machine).Wherein, shown AP is divided to disposes and covers respectively two regions for AP1 and AP2, is provided wirelessly for the STA in its overlay area
Service；Shown AC is connected by SW with AP1 and AP2, and its management to AP1 and AP2 includes：Configuration, modification correlation is issued to match somebody with somebody
Put parameter, radio-frequency intelligent management, access security control etc..
By taking Fig. 1 as an example, the shown AP1 disposed and AP2 is set to primary AP by existing AP redundancy techniques, and each
Standby AP is set by primary AP, and wherein AP1 standby AP is AP3 (not shown in figure 1)s, AP2 standby AP for AP4 (in Fig. 1 not
Show).Set up CAPWAP tunnel connection respectively between AC and primary AP and standby AP, AC is by heartbeat message, periodically inspection
Survey its CAPWAP tunnel between AP1 and AP2 and be connected signal.By taking AP1 as an example, when AC detects it between AP1
When CAPWAP tunnel is interrupted, AC is issued to AP3 replaces AP1 to provide wireless service with AP1 identical configuration informations, AP3.
But due to Internet resources limitation, it is excessively frequent that the cycle that heartbeat message is reported can not be set, and heartbeat message
Report it is time-consuming itself is also longer, so, after primary AP breaks down, using existing AP redundancy techniques, may enable standby
Time-consuming longer with AP, Consumer's Experience is poor.
Referring to Fig. 2, Fig. 2 is one embodiment flow chart for the method that WAP of the present invention is backed up.
Methods described is applied to Radio Network System, and the Radio Network System covers each wireless access point AP
Cover area, is all deployed with least two AP, wherein, any AP at least two AP, which is enabled, as primary AP provides wireless
Access service, enables at least one AP at least two AP in addition to the primary AP as standby AP, methods described bag
Include following steps：
Step 201：The standby AP receives radio frames.
Step 202：If the standby AP does not receive the primary AP in preset time and provides wirelessly access
When the Target Wireless frame launched, then the standby AP wirelessly access is provided.
In this step, above-mentioned preset time can be chosen between 100 milliseconds to 1000 milliseconds, and a common value is 300
Millisecond.
In this step, the configuration information for the primary AP that above-mentioned standby AP can be pre-saved according to it provides wireless access clothes
Business.
In an optional mode, the above-mentioned judgement for not receiving Target Wireless frame in preset time can be by meter
When device mode realize, be specifically as follows：Standby AP according to the radio frames of above-mentioned reception, judge whether to receive above-mentioned target without
Line frame；After above-mentioned standby AP judges to receive Target Wireless frame, preset timer is reset and reclocking；If above-mentioned pre-
If timer reaches preset time, then above-mentioned standby AP provides wirelessly access.
Wherein, above-mentioned standby AP judges whether that the process for receiving above-mentioned Target Wireless frame can be：
Standby AP records the MAC Address that the radio frames of above-mentioned reception are included；
Standby AP judges whether the MAC Address of above-mentioned record includes above-mentioned primary AP MAC Address, if it is judges to connect
Receive above-mentioned Target Wireless frame.
In another optional mode, after above-mentioned standby AP provides wirelessly access, above-mentioned standby AP is to above-mentioned nothing
Wireless access point controller AC in line network system sends primary AP fault warnings；After above-mentioned primary AP failture evacuations, on
State primary AP and switch to standby AP.
From above technical scheme, the embodiment of the present invention is realized by using standby AP to the monitoring of primary AP radio frames
Monitoring of the standby AP to primary AP working conditions, judge if not receiving radio frames in predetermined interval primary AP occur therefore
Barrier, enables standby AP and provides any wireless network services.Because primary AP and standby AP are deployed in the same area, and radio frames are sent out in itself
Penetrate that the cycle is shorter, compared to the mode for reporting heartbeat message in the prior art, it is above-mentioned for primary AP breakdown judges it is default between
Every can be configured to a shorter duration.So, after primary AP breaks down, the time-consuming shorter of standby AP is enabled, is used
Family experience is preferable.
Referring to Fig. 3, Fig. 3 is another embodiment flow chart for the method that WAP of the present invention is backed up, and this method should
For Radio Network System, the AP processes backed up are described in detail, the Radio Network System is each described wireless
Access point AP overlay area, is all deployed with least two AP, wherein, any AP at least two AP is enabled as master
Wirelessly access is provided with AP, at least one AP at least two AP in addition to the primary AP is enabled as standby
AP, methods described includes：
Step 301：Standby AP enables timer and starts timing.
Step 302：Standby AP receives radio frames.
Step 303：Standby AP records the MAC Address that the radio frames of the reception are included.
In an optional mode, primary AP can write its MAC Address in management frame, and standby AP is received wirelessly
After frame, MAC Address is searched and recorded in management frame.
Step 304：Standby AP judges whether the MAC Address of the record includes the MAC Address of the primary AP, if
Step 305 is then performed, if otherwise performing step 306.
Step 305：Standby AP resets preset timer and reclocking.
Step 306：Standby AP judges whether the timer record numerical value is more than predetermined threshold value, if it is performs step
307, if otherwise return to step 302.
In this step, above-mentioned preset time can be chosen between 100 milliseconds to 300 milliseconds, and a common value is 200 millis
Second.
Step 307：There is provided wirelessly access according to its primary AP pre-saved configuration information by standby AP.
In this step, primary AP configuration information can include：SSID name, the encryption side of the SSID on primary AP
Formula, corresponding password.
Step 308：Wireless access point controller ACs of the standby AP into the Radio Network System sends primary AP failures
Alarm.
Step 309：After the primary AP failture evacuations, the primary AP switches to standby AP.
In an optional mode, above-mentioned AC can also preserve daily record of work, after standby AP sends alarm to AC,
The alarm is recorded in will on weekdays；Standby AP, or standby AP is switched to switch to after primary AP in primary AP, on weekdays will
In record the switching.
From above technical scheme, the embodiment of the present invention is realized by using standby AP to the monitoring of primary AP radio frames
Monitoring of the standby AP to primary AP working conditions, judge if not receiving radio frames in predetermined interval primary AP occur therefore
Barrier, enables standby AP and provides any wireless network services.Because primary AP and standby AP are deployed in the same area, and radio frames are sent out in itself
Penetrate that the cycle is shorter, compared to the mode for reporting heartbeat message in the prior art, it is above-mentioned for primary AP breakdown judges it is default between
Every can be configured to a shorter duration.So, after primary AP breaks down, the time-consuming shorter of standby AP is enabled, is used
Family experience is preferable.
The embodiment of the present invention is illustrated below by a specific application example, application example combination Fig. 1 shows
The application scenarios gone out are described, wherein, the shown AP1 disposed and AP2 is set to primary AP, and set by primary AP
Standby AP.As shown in figure 4, AP1 standby AP is AP3 (AP1 and AP3 composition backup group 1), AP2 standby AP for AP4 (AP2 and
AP4 constitutes backup group 2).Now enable AP1 and AP2 and wirelessly access is provided, enable AP3 and AP4 monitoring wireless frames, and enable
AP3 and AP4 timer starts timing.By taking backup group 1 as an example, after AP1 breaks down, AP3 will be enabled, its process bag
Include：
AP3 records the MAC Address that the radio frames of its reception are included；
AP3 judges that the MAC Address of its record does not include AP1 MAC Address：08:00:20:0A:8C:6D；
AP3 judges that its timer now records numerical value more than 200 milliseconds of predetermined threshold value；
AP3 switches to primary AP to provide wirelessly access according to its AP1 pre-saved configuration information, wherein, match somebody with somebody
Confidence breath includes：The cipher mode and corresponding password of SSID name, SSID on AP1；
ACs of the AP3 into its affiliated Radio Network System sends AP1 fault warnings；
AC records the switching daily record of above-mentioned AP1 fault warning and record on AP3；
After AP1 failture evacuations, AP1 switches to standby AP to monitor its radio frames received, while AC records are on AP1's
Switch daily record.
Embodiment with the method that foregoing WAP is backed up is corresponding, and present invention also provides WAP backup
System embodiment.
Fig. 5 is refer to, is one embodiment block diagram of the system of WAP backup of the present invention, the system is applied to
Radio Network System, the Radio Network System is all deployed with least two in the overlay area of each wireless access point AP
Individual AP, wherein, enable any AP at least two AP as primary AP and wirelessly access be provided, enable it is described at least
At least one AP in two AP in addition to the primary AP as standby AP,
AP (510 or 520) in the Radio Network System includes receiving unit and radio service unit；
When AP (510 or 520) in the Radio Network System is as standby AP, the receiving unit, for receiving
Radio frames；
When AP (510 or 520) in the Radio Network System is as standby AP, the radio service unit is used for
When the receiving unit do not received in preset time the target launched when the primary AP provides wirelessly access without
There is provided wirelessly access during line frame.
From above technical scheme, the embodiment of the present invention is realized by using standby AP to the monitoring of primary AP radio frames
Monitoring of the standby AP to primary AP working conditions, judge if not receiving radio frames in predetermined interval primary AP occur therefore
Barrier, enables standby AP and provides any wireless network services.Because primary AP and standby AP are deployed in the same area, and radio frames are sent out in itself
Penetrate that the cycle is shorter, compared to the mode for reporting heartbeat message in the prior art, it is above-mentioned for primary AP breakdown judges it is default between
Every can be configured to a shorter duration.So, after primary AP breaks down, the time-consuming shorter of standby AP is enabled, is used
Family experience is preferable.
In an optional example, the radio service unit, including：
Judgment sub-unit, for the radio frames received according to the receiving unit, judges whether to receive the primary AP
The Target Wireless frame launched during wirelessly access is provided；
Subelement is reset, for after judgment sub-unit judges to receive Target Wireless frame, preset timer to be reset simultaneously
Reclocking；
Wireless access subelement, for there is provided wirelessly access after the preset timer reaches preset time.
In another optional example, the judgment sub-unit, specifically for：
Record the MAC Address that the radio frames of the reception are included；
Judge whether the MAC Address of the record includes the MAC Address of the primary AP, if it is judge to receive institute
State Target Wireless frame.
In another optional example, the radio service unit, specifically for：
Launched when the receiving unit is not received in preset time when the primary AP provides wirelessly access
Target Wireless frame when, according to the configuration information for the primary AP being pre-stored in the standby AP, there is provided wirelessly access.
In another optional example, the AP (510 or 520) in the Radio Network System also includes：
Transmitting element, when AP (510 or 520) in the Radio Network System is as standby AP, in the nothing
Line service unit is provided after wirelessly access, and the AC into the Radio Network System sends primary AP fault warnings；
Switch unit, when AP (510 or 520) in the Radio Network System is as primary AP, in the master
After AP failture evacuations, the primary AP is switched into standby AP.
The preferred embodiment of the application is the foregoing is only, not to limit the application, all essences in the application
God is with principle, and any modification, equivalent substitution and improvements done etc. should be included within the scope of the application protection.
Claims (10)
1. a kind of method of WAP backup, it is characterised in that methods described is applied to Radio Network System, described wireless
Network system is all deployed with least two AP in the overlay area of each wireless access point AP, wherein, enable it is described at least
Any AP in two AP is enabled at least two AP in addition to the primary AP as primary AP offer wirelessly access
At least one AP as standby AP, methods described includes：
The standby AP receives radio frames；
If the standby AP does not receive the primary AP in preset time and provides the mesh launched during wirelessly access
Radio frames are marked, then the standby AP provides wirelessly access.
2. according to the method described in claim 1, it is characterised in that if the standby AP is not received in preset time
The Target Wireless frame launched when providing wirelessly access to the primary AP, then the standby AP wireless access clothes are provided
Business, including：
The standby AP is according to the radio frames of the reception, when judging whether that receiving the primary AP provides wirelessly access
The Target Wireless frame launched；
After the standby AP judges to receive Target Wireless frame, preset timer is reset and reclocking；
If the preset timer reaches preset time, the standby AP provides wirelessly access.
3. method according to claim 2, it is characterised in that described to judge whether to receive the Target Wireless frame, bag
Include：
Record the MAC Address that the radio frames of the reception are included；
Judge whether the MAC Address of the record includes the MAC Address of the primary AP, if it is judge to receive the mesh
Mark radio frames.
4. according to the method described in claim 1, it is characterised in that the standby AP provides wirelessly access, including：
According to the configuration information for the primary AP being pre-stored in the standby AP, the standby AP provides wirelessly access.
5. according to the method described in claim 1, it is characterised in that also include：
After the standby AP provides wirelessly access, WAPs of the standby AP into the Radio Network System
Controller AC sends primary AP fault warnings；
After the primary AP failture evacuations, the primary AP switches to standby AP.
6. a kind of system of WAP backup, it is characterised in that the system is applied to Radio Network System, described wireless
Network system is all deployed with least two AP in the overlay area of each wireless access point AP, wherein, enable it is described at least
Any AP in two AP is enabled at least two AP in addition to the primary AP as primary AP offer wirelessly access
At least one AP as standby AP,
AP in the Radio Network System includes receiving unit and radio service unit；
When AP in the Radio Network System is as standby AP, the receiving unit, for receiving radio frames；
When AP in the Radio Network System is as standby AP, the radio service unit, for when the receiving unit
Do not receive when the primary AP provides the Target Wireless frame launched during wirelessly access that there is provided wireless in preset time
Access service.
7. system according to claim 6, it is characterised in that the radio service unit, including：
Judgment sub-unit, for the radio frames received according to the receiving unit, judges whether that receiving the primary AP provides
The Target Wireless frame launched during wirelessly access；
Subelement is reset, for after judgment sub-unit judges to receive Target Wireless frame, preset timer to be reset and again
Timing；
Wireless access subelement, for there is provided wirelessly access after the preset timer reaches preset time.
8. system according to claim 7, it is characterised in that the judgment sub-unit, specifically for：
Record the MAC Address that the radio frames of the reception are included；
Judge whether the MAC Address of the record includes the MAC Address of the primary AP, if it is judge to receive the mesh
Mark radio frames.
9. system according to claim 6, it is characterised in that the radio service unit, specifically for：
When the receiving unit does not receive the mesh launched when the primary AP provides wirelessly access in preset time
When marking radio frames, according to the configuration information for the primary AP being pre-stored in the standby AP, there is provided wirelessly access.
10. system according to claim 6, it is characterised in that the AP in the Radio Network System also includes：
Transmitting element, when AP in the Radio Network System is as standby AP, for being provided in the radio service unit
After wirelessly access, the AC into the Radio Network System sends primary AP fault warnings；
Switch unit, when AP in the Radio Network System is as primary AP, for after the primary AP failture evacuations,
The primary AP is switched into standby AP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710312004.7A CN107124731A (en) | 2017-05-05 | 2017-05-05 | A kind of method and system of WAP backup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710312004.7A CN107124731A (en) | 2017-05-05 | 2017-05-05 | A kind of method and system of WAP backup |
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| CN107124731A true CN107124731A (en) | 2017-09-01 |
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| CN201710312004.7A Pending CN107124731A (en) | 2017-05-05 | 2017-05-05 | A kind of method and system of WAP backup |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108650120A (en) * | 2018-04-26 | 2018-10-12 | 上海泰砚通信技术有限公司 | A kind of management-control method of low-density wireless networking |
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Application publication date: 20170901 |