CN106982433A - A kind of access terminal STA is accessed WLAN method and wireless controller - Google Patents

A kind of access terminal STA is accessed WLAN method and wireless controller Download PDF

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Publication number
CN106982433A
CN106982433A CN201710243303.XA CN201710243303A CN106982433A CN 106982433 A CN106982433 A CN 106982433A CN 201710243303 A CN201710243303 A CN 201710243303A CN 106982433 A CN106982433 A CN 106982433A
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sta
boot policy
message
rssi
access
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CN201710243303.XA
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CN106982433B (en
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杨英
阮玉城
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Beijing Star Net Ruijie Networks Co Ltd
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Beijing Star Net Ruijie Networks Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/08—Load balancing or load distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H04W48/06—Access restriction performed under specific conditions based on traffic conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the present invention provides a kind of method for making access terminal STA access WLAN, comprises the following steps：Corresponding each signal intensity RSSI between each wireless access point AP that the first access terminal STA is associated with the first STA is obtained, determines that AP gathers according to the RSSI；When the first STA initiates certification request to the first AP, determine whether the first AP belongs to the AP set；When the first AP is in AP set, corresponding steps are performed, when the first AP is not belonging in the AP set, corresponding steps are performed, meanwhile, the embodiment of the present invention also provides a kind of wireless controller for making access terminal STA access WLAN.The beneficial effect of the embodiment of the present invention is：Reduce the time that access terminal accesses WLAN.

Description

A kind of access terminal STA is accessed WLAN method and wireless controller
Technical field
The present invention relates to data communication field, especially a kind of method for making access terminal STA access WLAN and Wireless controller.
Background technology
In recent years, based on the agreements of IEEE 802.11 WLAN (Wireless Local Area Network, WLAN) fast development with the advantage of its protrusion and ripe technology, is widely used in market, enterprise, hospital, school and meeting The network structions such as field.
The general access procedure of specification WLAN terminal is in 802.11 agreements：
Step one：Terminal sends probe request (probe requests thereby) message, and wireless access point AP replys probe Response (detection is replied) message；
Step 2：Terminal sends authentication request packet, and AP replys certification response message；
Step 3：Terminal sends association request (association request) message, and AP replys association Response (association is replied) message.
By these three stages, terminal just can normally access wlan network.If any one stage fails, terminal will Return to step one, probe requests thereby stage.
When terminal step of initiating two and step 3 are connected, wireless access point AP can assess the state of itself and feed back to end Hold whether stage connection succeeds, such as the certification request of step 2, AP can reply auth response success certifications Success message or auth response fail authentification failure messages, in the association request of step 3, AP Reply association response, it can be noted that be successfully associated or failure, the original of failure is indicated if failure is associated Cause.Due to the variation of WLAN terminal, cause that the processing mode for three steps that different terminal-pairs access is different, part is eventually End is in step 2 authentification failure, it will removal search others AP attempts to access, and part terminal may reattempt certification After several times just removal search others AP come attempt access, more have part terminal may always all attempt access the AP.
Due to the diversity of terminal, the terminals for going processing all with a kind of same access guidance mode can cause compatibility Problem so that terminal access experience in part is poor.
The content of the invention
In order to solve the above-mentioned technical problem, embodiments of the invention are adopted the following technical scheme that：
A kind of method for making access terminal STA access WLAN, comprises the following steps：
Obtain corresponding each letter between each wireless access point AP that the first access terminal STA is associated with the first STA Number intensity RSSI, determines that AP gathers according to the RSSI；
When the first STA initiates certification request to the first AP, determine whether the first AP belongs to the AP set；
When the first AP is in AP set, determine whether the load of the first AP meets the AP set Load balancing, if meeting, it is determined that the certification request is handled by the first AP,
If not meeting, the mark of the first STA in the message of the certification request is determined whether there is and institute The first boot policy or the second boot policy that mark matches are stated, if in the presence of according to first boot policy or second Boot policy indicates other AP in AP set of the first STA accesses in addition to the first AP, if being not present, Other AP in AP set of the first STA accesses in addition to the first AP are indicated according to the first boot policy；
When the first AP is not belonging in the AP set, described first in the message of the certification request STA mark determines the 3rd boot policy, indicates that the first STA is accessed in the AP set according to the 3rd boot policy The 2nd AP.
Optionally, it is described to determine that the step of AP gathers specifically includes according to the RSSI：
Setting signal intensity threshold upper and lower bound, then will be described when the RSSI is between the upper and lower bound The corresponding AP of RSSI are put into the AP set.
Optionally, the step of whether load for determining the first AP meets the load balancing of the AP set Specifically include：
Access terminal STA quantity according to being accessed on the flow or the first AP of the first AP determines described first Whether AP meets the load balancing of the AP set.
Optionally, first boot policy includes：
Authentication failure message is included in the certification response message for feeding back to the first STA, in order to the first STA Other AP accessed according to the authentication failure message in the AP set in addition to the first AP；
Second boot policy includes：
Comprising association failure information in the association response message for feeding back to the first STA, in order to the first STA According to other AP in AP set of the association failure information access in addition to the first AP；
3rd boot policy includes：
Authentication failure message is included in the certification response message for feeding back to the first STA, in order to the first STA The 2nd AP accessed according to the authentication failure message in the AP set, or, in the association response for feeding back to the first STA Comprising association failure information in message, in order to which the first STA is accessed in the AP set according to the association failure information The 2nd AP.
Optionally, if described be not present, indicate that the first STA accesses remove the first AP according to the first boot policy In addition the AP set in other AP the step of after include：
Default counter values are increased by 1；
Determine the first STA whether the certification request initiated again to the first AP, if it is not, then confirming described One boot policy effectively, records the corresponding relation of the mark and first boot policy of the first STA, if so, then judging Whether the counter values reach predetermined threshold value,
If reaching predetermined threshold value, the corresponding relation of the mark and second boot policy of the first STA is recorded, And other in AP set of the first STA accesses in addition to the first AP are indicated according to second boot policy AP。
The embodiment of the present invention further aspect is that, also provide a kind of, one kind makes access terminal STA access WLAN Wireless controller, including：
Acquiring unit, for obtain the first access terminal STA each wireless access point APs associated with the first STA it Between corresponding each signal intensity RSSI,
Unit is set up in set, for determining that AP gathers according to the RSSI；
First determining unit, for when the first STA initiates certification request to the first AP, determining that the first AP is It is no to belong to the AP set；
Second determining unit, for when the first AP is in AP set, determining the load of the first AP to be The no load balancing for meeting the AP set,
3rd determining unit, if for meeting, it is determined that the certification request is handled by the first AP, if not meeting, The mark of the first STA in the message of the certification request is determined whether there is identifies match first with described Boot policy or the second boot policy,
Strategy execution unit, if in the presence of according to being indicated first boot policy or the second boot policy Other AP in AP set of the first STA accesses in addition to the first AP, if being not present, according to the first boot policy Indicate other AP in AP set of the first STA accesses in addition to the first AP；
4th determining unit, for when the first AP is not belonging in the AP set, according to the certification request The mark of the first STA in message determines the 3rd boot policy；
The strategy execution unit, is additionally operable to indicate that the first STA accesses the AP according to the 3rd boot policy The 2nd AP in set.
Optionally, it is described set set up unit specifically for：
Setting signal intensity threshold upper and lower bound, then will be described when the RSSI is between the upper and lower bound The corresponding AP of RSSI are put into the AP set.
Optionally, second determining unit, specifically for when the first AP is in AP set, according to described The access terminal STA quantity accessed on first AP flow or the first AP determines whether the first AP meets the AP The load balancing of set.
Optionally, first boot policy includes：
Authentication failure message is included in the certification response message for feeding back to the first STA, in order to the first STA Other AP accessed according to the authentication failure message in the AP set in addition to the first AP；
Second boot policy includes：
Comprising association failure information in the association response message for feeding back to the first STA, in order to the first STA According to other AP in AP set of the association failure information access in addition to the first AP；
3rd boot policy includes：
Authentication failure message is included in the certification response message for feeding back to the first STA, in order to the first STA The 2nd AP accessed according to the authentication failure message in the AP set, or, in the association response for feeding back to the first STA Comprising association failure information in message, in order to which the first STA is accessed in the AP set according to the association failure information The 2nd AP.
Optionally, the wireless controller also includes：
Policy update unit, for indicating that the first STA connects according to the first boot policy in the strategy execution unit Enter after other AP in the AP set in addition to the first AP, default counter values are increased by 1；
Determine the first STA whether the certification request initiated again to the first AP, if it is not, then confirming described One boot policy effectively, records the corresponding relation of the mark and first boot policy of the first STA, if so, then judging Whether the counter values reach predetermined threshold value,
If reaching predetermined threshold value, the corresponding relation of the mark and second boot policy of the first STA is recorded；
The strategy execution unit, is additionally operable to indicate the first STA accesses except described according to second boot policy Other AP in AP set beyond first AP.
The beneficial effect of the embodiment of the present invention is：Reduce the time that access terminal accesses WLAN.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art The required accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present invention Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings Obtain other accompanying drawings.
Fig. 1 is a kind of method flow diagram of the embodiment of the present invention；
Fig. 2 is a kind of method flow diagram of the embodiment of the present invention；
Fig. 3 is a kind of structure drawing of device of the embodiment of the present invention；
Fig. 4 is a kind of structure drawing of device of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
A kind of method for making access terminal STA access WLAN, as shown in figure 1, comprising the following steps：
S101, obtains corresponding between the first access terminal STA and each wireless access point AP that the first STA is associated Each signal intensity RSSI, determines that AP gathers according to the RSSI；
S103, when the first STA initiates certification request to the first AP, determines whether the first AP belongs to the AP Set；
S105, when the first AP is in AP set, determines whether the load of the first AP meets the AP The load balancing of set,
S107, if meeting, it is determined that the certification request is handled by the first AP,
S109, if not meeting, the mark of the first STA in the message of the certification request is determined whether there is The first boot policy or the second boot policy that match are identified with described,
S111, if in the presence of indicating that the first STA accesses are removed according to first boot policy or the second boot policy Other AP in AP set beyond first AP,
S113, if being not present, indicates the first STA accesses in addition to the first AP according to the first boot policy Other AP in the AP set；
S115, when the first AP is not belonging in the AP set, according in the message of the certification request First STA mark determines the 3rd boot policy, indicates that the first STA accesses the AP collection according to the 3rd boot policy The 2nd AP in conjunction.
Optionally, it is described to determine that the step of AP gathers specifically includes according to the RSSI in the step S101：
Setting signal intensity threshold upper and lower bound, then will be described when the RSSI is between the upper and lower bound The corresponding AP of RSSI are put into the AP set.
Optionally, in the step S105, whether the load for determining the first AP meets the negative of the AP set The step of carrying balance policy specifically includes：
Access terminal STA quantity according to being accessed on the flow or the first AP of the first AP determines described first Whether AP meets the load balancing of the AP set.
Optionally, first boot policy includes：
Authentication failure message is included in the certification response message for feeding back to the first STA, in order to the first STA Other AP accessed according to the authentication failure message in the AP set in addition to the first AP；
Second boot policy includes：
Comprising association failure information in the association response message for feeding back to the first STA, in order to the first STA According to other AP in AP set of the association failure information access in addition to the first AP；
3rd boot policy includes：
Authentication failure message is included in the certification response message for feeding back to the first STA, in order to the first STA The 2nd AP accessed according to the authentication failure message in the AP set, or, in the association response for feeding back to the first STA Comprising association failure information in message, in order to which the first STA is accessed in the AP set according to the association failure information The 2nd AP.
Optionally, as shown in Fig. 2 including after the step S113：
Default counter values are increased by 1 by S117；
S119, determine the first STA whether the certification request initiated again to the first AP,
S121, if it is not, then confirm first boot policy effectively, records the mark of the first STA and described the The corresponding relation of one boot policy,
S123, if so, then judge whether the counter values reach predetermined threshold value,
S125, if reaching predetermined threshold value, the mark for recording the first STA is corresponding with second boot policy Relation, and indicated according to second boot policy in AP set of the first STA accesses in addition to the first AP Other AP.
The beneficial effect of the embodiment of the present invention is：Reduce the time that access terminal accesses WLAN.
The embodiment of the present invention is further elaborated with reference to concrete application scene, comprised the steps of：
Step one：Access terminal STA i initiate auth request authentication request packets, and application accesses AP j certification, Wherein, i, j are the natural number more than or equal to 1；
Step 2：The RSSI between STA and each AP is obtained on wireless controller AC, RSSI={ RSSI are obtained1, RSSI2,...,RSSIN, wherein, N is AP number, and each AP has corresponding RSSI；
Step 3：AC adjudicates STA i the first access AP set, C according to RSSI1=i | (RSSImax-RSSIth)≤ RSSIi≤RSSImax, every RSSI is represented in { RSSImax-RSSIth,RSSImaxBetween AP belong to the first access AP set, Wherein RSSImaxRepresent the maximum in RSSI arrays, RSSIthFor RSSI thresholdings；
Step 4：If AP j belong to the first access set C1, then continue next step, otherwise judge that STA needs to guide access WLAN；
Step 5：AC judges AP j in set C1In whether meet load balancing, the mode of load balancing has A variety of, it based on flow can also, based on number of users, for the load balancing based on number of users, can obtain that can be Take the number of users on each AP, User={ User1,User2,...,UserN, if Userj-Userp＜ Nth, wherein p ∈ C1And NthFor load balancing thresholding, then representative meets load balancing state, then be judged as that STA need not guide access wireless local Net, is otherwise judged as that STA needs to guide access WLAN；
When STA needs to guide access WLAN, conjunction can be selected from policy library by STA mark The boot policy of reason, in embodiments of the present invention, has two kinds, respectively 1) for STA boot policy：Replying to STA's In auth response authentication response messages, auth fail authentification failures are indicated, so as to guide STA to access other AP.2)： In the association response associated response messages for replying to STA, association fail associations failure is indicated simultaneously With reason code 17, show that AP access quantity is full, so as to guide STA to access other AP.Because STA is in access procedure, Any one stage is suppressed, and can all return to the probe request probe requests thereby stages of the first step, if so all taking the Two kinds of boot policies, then STA turn-on time can be elongated, experience lf being influenced；Meanwhile, in order to reduce turn-on time, it can take The first boot policy, but STA the first possible boot policy in access procedure in part is invalid, when AC has found invalid, Can only be using second of boot policy, at this moment turn-on time is longer on the contrary, so needing to select best draw from policy database Lead strategy.The flow that best boot policy is selected from policy database can be as follows：
Step one：AC extracts STA MAC Address from Auth request authentication request packets；
Step 2：MAC Address and policy database are matched；
Step 3：If the match is successful, then take corresponding boot policy；
Step 4：If matching is unsuccessful, in order to reduce STA turn-on time, then first select the first boot policy, In the auth response authentication response messages for replying to STA, auth fail authentification failures are indicated.
Terminal strategy database can be updated by performing above-mentioned strategy and collecting in implementation procedure feedack, had Body comprises the following steps：
Step one：When policy database matching is unsuccessful, counter is set to 0；
Step 2：Current STA is preferentially guided from the first boot policy, authentication authorization and accounting boot policy, and counter Numerical value increase by 1；
Step 3：Analysis STA initiates the AP j whether auth certification requests are still directed to originally access again, if not It is to illustrate that the guiding of the first boot policy is effective, { STA MAC Address, the first guiding plan is added in policy database Omit, if, then judge whether counter values reach thresholding；
Step 4：If counter values are not up to thresholding, continue the flow of step 2 and step 3, if reaching thresholding, { STA MAC Address, second of boot policy } is added in policy database, and using the in subsequent boots access procedure Two kinds of boot policies, that is, associate boot policy.
The embodiment of the present invention further aspect is that, also provide it is a kind of make access terminal STA access WLAN nothing Lane controller, as shown in figure 3, including：
Acquiring unit 201, each WAP associated with the first STA for obtaining the first access terminal STA Corresponding each signal intensity RSSI between AP,
Unit 203 is set up in set, for determining that AP gathers according to the RSSI；
First determining unit 205, for when the first STA initiates certification request to the first AP, determining described first Whether AP belongs to the AP set；
Second determining unit 207, for when the first AP is in AP set, determining the load of the first AP Whether the load balancing of the AP set is met,
3rd determining unit 209, if for meeting, it is determined that the certification request is handled by the first AP, if not being inconsistent Close, the mark of the first STA in the message of the certification request is determined whether there is identifies what is matched with described First boot policy or the second boot policy,
Strategy execution unit 211, if in the presence of according to first boot policy or the second boot policy instruction institute Other AP in AP set of the first STA accesses in addition to the first AP are stated, if being not present, according to the first guiding plan Slightly indicate other AP in AP set of the first STA accesses in addition to the first AP；
4th determining unit 213, for when the first AP is not belonging in the AP set, according to the certification request Message in the mark of the first STA determine the 3rd boot policy；
The strategy execution unit 211, is additionally operable to according to the 3rd boot policy indicates the first STA accesses The 2nd AP in AP set.
Optionally, it is described set set up unit 203 specifically for：
Setting signal intensity threshold upper and lower bound, then will be described when the RSSI is between the upper and lower bound The corresponding AP of RSSI are put into the AP set.
Optionally, second determining unit 207, specifically for when the first AP the AP set in when, according to The access terminal STA quantity accessed on the flow or the first AP of first AP determines whether the first AP meets institute State the load balancing of AP set.
Optionally, first boot policy includes：
Authentication failure message is included in the certification response message for feeding back to the first STA, in order to the first STA Other AP accessed according to the authentication failure message in the AP set in addition to the first AP；
Second boot policy includes：
Comprising association failure information in the association response message for feeding back to the first STA, in order to the first STA According to other AP in AP set of the association failure information access in addition to the first AP；
3rd boot policy includes：
Authentication failure message is included in the certification response message for feeding back to the first STA, in order to the first STA The 2nd AP accessed according to the authentication failure message in the AP set, or, in the association response for feeding back to the first STA Comprising association failure information in message, in order to which the first STA is accessed in the AP set according to the association failure information The 2nd AP.
Optionally, as shown in figure 4, the wireless controller also includes：
Policy update unit 215, for indicating described first according to the first boot policy in the strategy execution unit 211 After other AP in AP set of the STA accesses in addition to the first AP, default counter values are increased by 1；
Determine the first STA whether the certification request initiated again to the first AP, if it is not, then confirming described One boot policy effectively, records the corresponding relation of the mark and first boot policy of the first STA, if so, then judging Whether the counter values reach predetermined threshold value,
If reaching predetermined threshold value, the corresponding relation of the mark and second boot policy of the first STA is recorded；
The strategy execution unit 211, is additionally operable to indicate that the first STA accesses remove institute according to second boot policy State other AP in the AP set beyond the first AP.
The beneficial effect of the embodiment of the present invention is：Reduce the time that access terminal accesses WLAN.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product Figure and/or block diagram are described.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one The step of function of being specified in individual square frame or multiple square frames.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic； And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and Scope.

Claims (10)

1. a kind of method for making access terminal STA access WLAN, it is characterised in that comprise the following steps：
Corresponding each signal is strong between obtaining each wireless access point AP that the first access terminal STA is associated with the first STA RSSI is spent, determines that AP gathers according to the RSSI；
When the first STA initiates certification request to the first AP, determine whether the first AP belongs to the AP set；
When the first AP is in AP set, determine whether the load of the first AP meets the load of the AP set Balance policy, if meeting, it is determined that the certification request is handled by the first AP,
If not meeting, the mark of the first STA in the message of the certification request is determined whether there is and the mark The first boot policy or the second boot policy of sensible matching, if in the presence of according to first boot policy or the second guiding Strategy indicates other AP in AP set of the first STA accesses in addition to the first AP, if being not present, basis First boot policy indicates other AP in AP set of the first STA accesses in addition to the first AP；
When the first AP is not belonging in AP set, the first STA's in the message of the certification request Mark determines the 3rd boot policy, and the first STA is accessed in the AP set the is indicated according to the 3rd boot policy Two AP.
2. the method as described in claim 1, it is characterised in that described to determine that the step of AP gathers specifically wraps according to the RSSI Include：
Setting signal intensity threshold upper and lower bound, when the RSSI is between the upper and lower bound, then by the RSSI Corresponding AP is put into the AP set.
3. the method as described in claim 1, it is characterised in that whether the load of determination the first AP meets the AP The step of load balancing of set, specifically includes：
Access terminal STA quantity according to being accessed on the flow or the first AP of the first AP determines that the first AP is The no load balancing for meeting the AP set.
4. the method as described in claim 1, it is characterised in that first boot policy includes：
In the certification response message for feeding back to the first STA include authentication failure message, in order to the first STA according to Other AP in AP set of the authentication failure message access in addition to the first AP；
Second boot policy includes：
In the association response message for feeding back to the first STA comprising association failure information, in order to the first STA according to Other AP in AP set of the association failure information access in addition to the first AP；
3rd boot policy includes：
In the certification response message for feeding back to the first STA include authentication failure message, in order to the first STA according to The 2nd AP that the authentication failure message is accessed in the AP set, or, in the association response message for feeding back to the first STA In comprising association failure information, in order to the first STA accessed according to the association failure information in AP set the Two AP.
5. method as claimed in claim 4, it is characterised in that if described be not present, institute is indicated according to the first boot policy Include after the step of stating other AP in AP set of the first STA accesses in addition to the first AP：
Default counter values are increased by 1；
Determine the first STA whether the certification request initiated again to the first AP, if it is not, then confirming that described first draws The tactful corresponding relation for effectively recording the mark and first boot policy of the first STA is led, if so, then judging described Whether counter values reach predetermined threshold value,
If reaching predetermined threshold value, the corresponding relation of the mark and second boot policy of the first STA, and root are recorded Other AP in AP set of the first STA accesses in addition to the first AP are indicated according to second boot policy.
6. a kind of wireless controller AC for making access terminal STA access WLAN, it is characterised in that including：
It is right between acquiring unit, each wireless access point AP associated with the first STA for obtaining the first access terminal STA Each signal intensity RSSI answered,
Unit is set up in set, for determining that AP gathers according to the RSSI；
First determining unit, for when the first STA initiates certification request to the first AP, determining whether the first AP belongs to In AP set；
Second determining unit, for when the first AP is in AP set, determining whether the load of the first AP accords with The load balancing of the AP set is closed,
3rd determining unit, if for meeting, it is determined that the certification request is handled by the first AP, if not meeting, according to The mark of the first STA in the message of the certification request is determined whether there is identifies the match first guiding with described Strategy or the second boot policy,
Strategy execution unit, if in the presence of according to first boot policy or the second boot policy instruction described first Other AP in AP set of the STA accesses in addition to the first AP, if being not present, are indicated according to the first boot policy Other AP in AP set of the first STA accesses in addition to the first AP；
4th determining unit, for when the first AP is not belonging in the AP set, according to the message of the certification request In the mark of the first STA determine the 3rd boot policy；
The strategy execution unit, is additionally operable to indicate that the first STA accesses the AP set according to the 3rd boot policy In the 2nd AP.
7. AC as claimed in claim 6, it is characterised in that the set set up unit specifically for：
Setting signal intensity threshold upper and lower bound, when the RSSI is between the upper and lower bound, then by the RSSI Corresponding AP is put into the AP set.
8. AC as claimed in claim 6, it is characterised in that second determining unit, specifically for existing as the first AP When in the AP set, determined according to the access terminal STA quantity accessed on the flow or the first AP of the first AP Whether the first AP meets the load balancing of the AP set.
9. AC as claimed in claim 6, it is characterised in that first boot policy includes：
In the certification response message for feeding back to the first STA include authentication failure message, in order to the first STA according to Other AP in AP set of the authentication failure message access in addition to the first AP；
Second boot policy includes：
In the association response message for feeding back to the first STA comprising association failure information, in order to the first STA according to Other AP in AP set of the association failure information access in addition to the first AP；
3rd boot policy includes：
In the certification response message for feeding back to the first STA include authentication failure message, in order to the first STA according to The 2nd AP that the authentication failure message is accessed in the AP set, or, in the association response message for feeding back to the first STA In comprising association failure information, in order to the first STA accessed according to the association failure information in AP set the Two AP.
10. AC as claimed in claim 9, it is characterised in that also include：
Policy update unit, for indicating that the first STA accesses are removed according to the first boot policy in the strategy execution unit After other AP in AP set beyond first AP, default counter values are increased by 1；
Determine the first STA whether the certification request initiated again to the first AP, if it is not, then confirming that described first draws The tactful corresponding relation for effectively recording the mark and first boot policy of the first STA is led, if so, then judging described Whether counter values reach predetermined threshold value,
If reaching predetermined threshold value, the corresponding relation of the mark and second boot policy of the first STA is recorded；
The strategy execution unit, is additionally operable to indicate that the first STA accesses remove described first according to second boot policy Other AP in AP set beyond AP.
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CN110472867A (en) * 2019-08-13 2019-11-19 国家电网有限公司 Power distribution network Network adaptation assessment processing method and device

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