CN101801033B - AC selection method and equipment - Google Patents
AC selection method and equipment Download PDFInfo
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- CN101801033B CN101801033B CN2010101027889A CN201010102788A CN101801033B CN 101801033 B CN101801033 B CN 101801033B CN 2010101027889 A CN2010101027889 A CN 2010101027889A CN 201010102788 A CN201010102788 A CN 201010102788A CN 101801033 B CN101801033 B CN 101801033B
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Abstract
The invention discloses an AC selection method and AC selection equipment. A CAPWAP protocol is improved and more information which can reflect the present loading condition of an AC is added, so that the loading condition of the AC can be reflected more accurately and an AP can make more accurate selection to make full use of network resources.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of AC system of selection and equipment.
Background technology
(Access Point AP) is equipment commonly used when setting up the micro radio local area network (LAN) at present to WAP.AP is equivalent to a bridge that is connected with gauze and wireless network, and it mainly acts on is that each wireless network clients is connected together, then with the wireless network access network based on ethernet.According to AP itself integrated function difference, prior art is divided into FAT AP networking structure and AC+FIT AP networking structure, the sketch map of corresponding group-network construction is as depicted in figs. 1 and 2.
In FAT AP (FAT Access Point, fat access point) framework, AP has independently born the role of WAP.Wireless message has been converted into wired message on FAT AP, and then has forwarded in the cable network.Wired message has been converted into wireless message on FAT AP, and then issues corresponding Station.
In FIT AP (FIT Access Point, thin access point) framework, AC (Access Controller; Access controller) is responsible for controlling and managing a plurality of Fit AP; AC sends configuration and other control information to Fit AP, with the AP exchange security information, obtains the service datas such as state of AP.Under many application scenarioss, FITAP does not do data forwarding, but the wireless message that directly will receive encapsulates, and delivers to AC on then, convert wired message into by AC after, enter into cable network again.Otherwise, AC receive mail to wireless message after, convert wireless message into, be encapsulated into then and send FIT AP in the tunnel to.FIT AP has separated after the encapsulation, directly message is issued corresponding Station.
In order to realize that AP can select the lighter AC of load to connect; Realize that AP " evenly " is connected to AC and gets on; CAPWAP (Control And Provisioning of Wireless Access Points; The control of WAP and configuration) protocol definition following TLV, find the AC stage at AP, AC announces load to AP.
AC Descriptor：
0 1 2 3
01234567890123456789012345678901
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Stations | Limit |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Active WTPs | MaX WTPs |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Security | R-MAC Field | Reserved1 | DTLS Policy |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| AC Information Sub-Element...
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
In this TLV, there are four parameters can reflect the load of AC,
1, Stations: the Station quantity of current connection;
2, the Limt:AC maximum Station quantity that can connect;
3, Active WTPs: the AP quantity of current connection;
4, the Max WTPs:AC maximum AP quantity that can connect.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
Four above-mentioned parameters can not well reflect the real load state of AC in practical application.Because in practical application, there is following concrete condition:
(1) situation of AP and AP is different, and for example, the possible flow of AP that is placed in the hall is very big, uses frequent;
(2) situation of Station and Station is different, and the Station that has need carry out file in a large number and upload download, and the Station that has only need browse some simple inner webpages.
So simple number of connection through AP and Station reflects the load of AC, problem is very big in practical application.
Summary of the invention
The present invention provides a kind of AC system of selection and equipment, can reflect the loading condition of AC more accurately, makes AP can make correct choice more, makes full use of Internet resources.
For achieving the above object, one aspect of the present invention provides a kind of access controller AC system of selection, it is characterized in that, specifically may further comprise the steps:
Access point AP receives at least one AC and finds message, and said AC finds to comprise corresponding AC current states information and resource information in the message;
Said AP confirms present load parameter and the load rising probability parameter of said AC according to said AC current states information and resource information;
Said AP is in maximum at least one AC of present load parameter, and an AC who selects to have maximum load rising probability parameter is as AC that self belonged to;
Wherein, said load parameter is big more, and corresponding load is light more; Said load rising probability parameter is big more, and the possibility that corresponding load is risen is more little.
Preferably, said AC current states information and resource information comprise following a group of respectively organizing information at least:
Average central processor cpu busy percentage and CPU alarming threshold;
Average memory usage and internal storage warning thresholding;
Average converting flow and max-forwards flow;
When the front port upstream bandwidth with when the maximum upstream bandwidth of front port;
When the front port downlink bandwidth with when front port maximum downstream bandwidth;
Average encryption and decryption flow and maximum encryption and decryption flow;
The number of access point of current connection can be connected number of access point with maximum;
The local quantity at terminal, terminal quantity and the maximum connectable terminal quantity that far-end is transmitted transmitted;
The current quantity of WLAN WLAN service that provides provides WLAN the quantity of service with maximum.
Preferably, said AP confirms the present load parameter of said AC according to said AC current states information and resource information, is specially:
Generate the corresponding numerical value of handling according to preset algorithm between the state information of the performance project that said AP is current with said AC and the corresponding resource information;
Said AP confirms as the product between the weights of said processing numerical value and preset said performance project the present load parameter of said performance project;
The present load parameter of the performance project that said AP will preset, or the present load parameter present load parameter of a plurality of performance projects and that confirm as said AC.
Preferably, said AP confirms the present load parameter of said AC according to said AC current states information and resource information, is specially:
Present load parameter=first weights * (CPU alarming threshold-average cpu busy percentage)+second weights * (internal storage warning thresholding-average memory usage)+the 3rd weights * (the average converting flow of 1-/max-forwards flow)+the 4th weights * (1-((when front port upstream bandwidth/when the maximum upstream bandwidth of front port)+(when front port downlink bandwidth /))/2) when front port maximum downstream bandwidth+the 5th weights * (the average encryption and decryption flow of 1-/maximum encryption and decryption flow);
Wherein, said first weights, second weights, the 3rd weights, the 4th weights and the 5th weights sum are 1.
Preferably, said AP confirms the load rising probability parameter of said AC according to said AC current states information and resource information, is specially:
Generate the corresponding numerical value of handling according to preset algorithm between the state information of the performance project that said AP is current with said AC and the corresponding resource information;
Said AP confirms as the product between the weights of said processing numerical value and preset said performance project the load rising probability parameter of said performance project;
The load rising probability parameter of the performance project that said AP will preset, or the load rising probability parameter load rising probability parameter of a plurality of performance projects and that confirm as said AC.
Preferably, said AP confirms the load rising probability parameter of said AC according to said AC current states information and resource information, is specially:
Load rising probability parameter=the 6th weights * (number of access point/maximum of the current connection of 1-can connect number of access point)+the 7th weights * (terminal quantity/maximum connectable terminal quantity that the 1-far-end is transmitted)+the 8th weights * (quantity/maximum of the current WLAN of the providing service of 1-provides the WLAN quantity of service);
Wherein, between said the 6th weights, the 7th weights and the 8th weights and be 1.
Preferably, said AP is at least one AC of present load parameter maximum, and an AC who selects to have maximum load rising probability parameter is specially as the AC that self belonged to:
When said AP confirmed that the quantity of the AC that the present load parameter is maximum is one, said AP confirmed that said AC is the AC that self belonged to;
When said AP confirmed that the quantity of the AC that the present load parameter is maximum is a plurality of, said AP was in said a plurality of AC, and an AC who selects to have maximum load rising probability parameter is as AC that self belonged to.
On the other hand, the present invention also provides a kind of AP, specifically comprises:
Receiver module is used to receive at least one AC and finds message, and said AC finds to comprise corresponding AC current states information and resource information in the message;
Determination module is connected with said receiver module, is used for according to said receiver module received AC current states information and resource information, confirms present load parameter and the load rising probability parameter of said AC;
Select module, be connected with said determination module, be used for the result according to said determination module, in maximum at least one AC of present load parameter, an AC who selects to have maximum load rising probability parameter is as AC that self belonged to;
Wherein, said load parameter is big more, and corresponding load is light more; Said load rising probability parameter is big more, and the possibility that corresponding load is risen is more little.
Preferably, said determination module is confirmed load rising probability parameter and the load rising probability parameter of said AC according to said AC current states information and resource information, is specially:
Generate the corresponding numerical value of handling according to preset algorithm between the state information of the performance project that said determination module is current with said AC and the corresponding resource information;
Said determination module is confirmed as the product between the weights of said processing numerical value and preset said performance project the load rising probability parameter of said performance project;
The load rising probability parameter of the performance project that said determination module will be preset, or the load rising probability parameter load rising probability parameter of a plurality of performance projects and that confirm as said AC.
Preferably, said selection module is according to the result of said determination module, and at least one AC of present load parameter maximum, an AC who selects to have maximum load rising probability parameter is specially as the AC that self belonged to:
When said determination module confirmed that the quantity of the AC that the present load parameter is maximum is one, said selection module confirmed that said AC is the AC that self belonged to;
When said determination module confirmed that the quantity of the AC that the present load parameter is maximum is a plurality of, said selection module was in said a plurality of AC, and an AC who selects to have maximum load rising probability parameter is as AC that self belonged to.
Compared with prior art, the present invention has the following advantages:
Through using technical scheme of the present invention, to the CAPWAP agreement in addition improvement, thereby, can reflect more accurately the loading condition of AC to make AP can make correct choice more, make full use of Internet resources.
Description of drawings
Fig. 1 is a kind of schematic network structure that comprises the networking of FATAP in the prior art;
Fig. 2 is a kind of schematic network structure that comprises the networking of FIT AP in the prior art;
Fig. 3 is the schematic flow sheet of a kind of AC system of selection proposed by the invention;
Fig. 4 is the structural representation of a kind of AP proposed by the invention.
Embodiment
A kind of AC system of selection proposed by the invention solves the method that present CAPWAP agreement provides, and can't effectively reflect the AC load state, makes when AP selects AC unreasonablely, can not make full use of the problem of Internet resources.
Its schematic flow sheet is as shown in Figure 3, specifically may further comprise the steps:
Step S301, AP receive at least one AC and find message, and AC finds to comprise corresponding AC current states information and resource information in the message.
Wherein, AC current states information and resource information comprise following a group of respectively organizing information at least:
Average cpu busy percentage and CPU alarming threshold;
Average memory usage and internal storage warning thresholding;
Average converting flow and max-forwards flow;
When the front port upstream bandwidth with when the maximum upstream bandwidth of front port;
When the front port downlink bandwidth with when front port maximum downstream bandwidth;
Average encryption and decryption flow and maximum encryption and decryption flow;
The number of access point of current connection can be connected number of access point with maximum;
The local quantity at terminal, terminal quantity and the maximum connectable terminal quantity that far-end is transmitted transmitted;
The quantity of the current WLAN of providing service provides WLAN the quantity of service with maximum.
Step S302, AP confirm present load parameter and the load rising probability parameter of AC according to AC current states information and resource information.
On the one hand, AP confirms the present load parameter of AC according to AC current states information and resource information, is specially:
Generate the corresponding numerical value of handling according to preset algorithm between the state information of the performance project that AP is current with AC and the corresponding resource information;
AP will handle the present load parameter that product between the weights of numerical value and default capabilities project is confirmed as performance project;
The present load parameter of the performance project that AP will preset, or the present load parameter present load parameter of a plurality of performance projects and that confirm as AC.
In concrete application scenarios, present load CALCULATION OF PARAMETERS mode is specially:
Present load parameter=first weights * (CPU alarming threshold-average cpu busy percentage)+second weights * (internal storage warning thresholding-average memory usage)+the 3rd weights * (the average converting flow of 1-/max-forwards flow)+the 4th weights * (1-((when front port upstream bandwidth/when the maximum upstream bandwidth of front port)+(when front port downlink bandwidth /))/2) when front port maximum downstream bandwidth+the 5th weights * (the average encryption and decryption flow of 1-/maximum encryption and decryption flow);
Wherein, first weights, second weights, the 3rd weights, the 4th weights and the 5th weights sum are 1.
On the other hand, AP confirms the load rising probability parameter of AC according to AC current states information and resource information, is specially:
Generate the corresponding numerical value of handling according to preset algorithm between the state information of the performance project that AP is current with AC and the corresponding resource information;
AP will handle the load rising probability parameter that product between the weights of numerical value and default capabilities project is confirmed as performance project;
The load rising probability parameter of the performance project that AP will preset, or the load rising probability parameter load rising probability parameter of a plurality of performance projects and that confirm as AC.
In concrete application scenarios, the account form of load rising probability parameter is specially:
Load rising probability parameter=the 6th weights * (number of access point/maximum of the current connection of 1-can connect number of access point)+the 7th weights * (terminal quantity/maximum connectable terminal quantity that the 1-far-end is transmitted)+the 8th weights * (quantity/maximum of the current WLAN of the providing service of 1-provides the WLAN quantity of service);
Wherein, between the 6th weights, the 7th weights and the 8th weights and be 1.
Step S303, AP are in maximum at least one AC of present load parameter, and an AC who selects to have maximum load rising probability parameter is as AC that self belonged to.
In conjunction with concrete application scenarios, concrete treatment step comprises:
When AP confirmed that the quantity of the AC that the present load parameter is maximum is one, AP confirmed that AC is the AC that self belonged to;
When AP confirmed that the quantity of the AC that the present load parameter is maximum is a plurality of, AP was in a plurality of AC, and an AC who selects to have maximum load rising probability parameter is as AC that self belonged to.
Compared with prior art, the present invention has the following advantages:
Through using technical scheme of the present invention, to the CAPWAP agreement in addition improvement, thereby, can reflect more accurately the loading condition of AC to make AP can make correct choice more, make full use of Internet resources.
In order further to set forth technological thought of the present invention, combine concrete application scenarios at present, technical scheme of the present invention is described.
The present invention proposes a kind of computational methods of more suitable measurement AC load, at first in ACDiscovery Response message, add following Vender TLV:
0 1 2 3
01234567890123456789012345678901
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| average cpu busy percentage | the CPU alarming threshold |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| average memory usage | the internal storage warning thresholding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| average converting flow | the max-forwards flow |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| when the average bandwidth (up) of front port use | when the maximum bandwidth (up) of front port |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| when the average bandwidth (descending) of front port use | when the maximum bandwidth (descending) of front port |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| average encryption and decryption flow | maximum encryption and decryption traffic threshold |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| the local Station of forwarding number | the Station number that far-end is transmitted |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| the current WLAN of providing service number (BSS) | maximum provides WLAN service number |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
After AP receives Discovery Response, compare earlier " data that can reflect present case ", as: cpu busy percentage, memory usage, bandwidth etc., corresponding operation is regular as follows:
A* (CPU alarming threshold-CPU average utilization)+B* (internal storage warning thresholding-internal memory average utilization)+C* (the average converting flow of 1-/max-forwards flow)+D* (1-((the up maximum bandwidth of the up average bandwidth/interface of interface)+(the descending maximum bandwidth of the descending average bandwidth/interface of interface))/2)+E* (the average encryption and decryption flow of 1-/maximum encryption and decryption traffic threshold)
Wherein, A, B, C, D, E are weights, A+B+C+D+E=1.
Above-mentioned parameter has directly reflected current AC, CPU, and internal memory, bus, physical resource behaviour in service and loads such as interface and deciphering chip, relevant parameters numerical value is big more, explains that present load is light more.
If the current low tide one that is in user's online, such as the late into the night, calculating load state so on each AC maybe be all very low.
Numerical value equates or is close if aforementioned calculation is come out, and relatively can predict the parameter of burst in the future again.
F* (the current connection of 1-AP number/maximum connects the AP number)+G* (the 1-far-end is transmitted Station number/maximum Station number)+H* (number of the current WLAN service of 1-number/maximum service).
F, G, H are weights, F+G+H=1.
Above-mentioned parameter has directly reflected the size of the possibility that load is in the future risen, and corresponding value is big more, maybe be more little.
AP selects the present load minimum, and the less AC of load possibility rising possibility, is the best AC of current connection.
Compared with prior art, the present invention has the following advantages:
Through using technical scheme of the present invention, to the CAPWAP agreement in addition improvement, thereby, can reflect more accurately the loading condition of AC to make AP can make correct choice more, make full use of Internet resources.
In order to realize technical scheme of the present invention, the invention allows for a kind of AP, its structural representation is as shown in Figure 4, specifically comprises:
Determination module 42 is connected with receiver module 41, is used for confirming present load parameter and the load rising probability parameter of AC according to receiver module 41 received AC current states information and resource information;
Wherein, determination module 42 is confirmed load rising probability parameter and the load rising probability parameter of AC according to AC current states information and resource information, is specially:
Generate the corresponding numerical value of handling according to preset algorithm between the state information of the performance project that determination module 42 is current with AC and the corresponding resource information;
Determination module 42 will be handled the load rising probability parameter that product between the weights of numerical value and default capabilities project is confirmed as performance project;
The load rising probability parameter of the performance project that determination module 42 will be preset, or the load rising probability parameter load rising probability parameter of a plurality of performance projects and that confirm as AC.
Wherein, select the result of module 43 according to determination module 42, at least one AC of present load parameter maximum, an AC who selects to have maximum load rising probability parameter is specially as the AC that self belonged to:
When determination module 42 confirms that the quantity of the AC that the present load parameter is maximum is one, select module 43 to confirm that AC is the AC that self belonged to;
When determination module 42 confirms that the quantity of the AC that the present load parameters are maximum is a plurality of, select module 43 in a plurality of AC, an AC who selects to have maximum load rising probability parameter is as AC that self belonged to.
Compared with prior art, the present invention has the following advantages:
Through using technical scheme of the present invention, to the CAPWAP agreement in addition improvement, thereby, can reflect more accurately the loading condition of AC to make AP can make correct choice more, make full use of Internet resources.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can realize through hardware, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding; Technical scheme of the present invention can be come out with the embodied of software product, this software product can be stored in a non-volatile memory medium (can be CD-ROM, USB flash disk; Portable hard drive etc.) in; Comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) each implements the described method of scene to carry out the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is a preferred sketch map of implementing scene, module in the accompanying drawing or flow process might not be that embodiment of the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device of implementing in the scene can be distributed in the device of implementing scene according to implementing scene description, also can carry out respective change and be arranged in the one or more devices that are different from this enforcement scene.The module of above-mentioned enforcement scene can be merged into a module, also can further split into a plurality of submodules.
The invention described above sequence number is not represented the quality of implementing scene just to description.
More than disclosedly be merely several practical implementation scene of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (10)
1. access controller AC system of selection is characterized in that, specifically may further comprise the steps:
Access point AP receives at least one AC and finds message, and said AC finds to comprise corresponding AC current states information and resource information in the message;
Said AP confirms present load parameter and the load rising probability parameter of said AC according to said AC current states information and resource information;
Said AP is in maximum at least one AC of present load parameter, and an AC who selects to have maximum load rising probability parameter is as AC that self belonged to;
Wherein, said load parameter is big more, and corresponding load is light more; Said load rising probability parameter is big more, and the possibility that corresponding load is risen is more little.
2. the method for claim 1 is characterized in that, said AC current states information and resource information comprise following a group of respectively organizing information at least:
Average central processor cpu busy percentage and CPU alarming threshold;
Average memory usage and internal storage warning thresholding;
Average converting flow and max-forwards flow;
When the front port upstream bandwidth with when the maximum upstream bandwidth of front port;
When the front port downlink bandwidth with when front port maximum downstream bandwidth;
Average encryption and decryption flow and maximum encryption and decryption flow;
The number of access point of current connection can be connected number of access point with maximum;
The local quantity at terminal, terminal quantity and the maximum connectable terminal quantity that far-end is transmitted transmitted;
The current quantity of WLAN WLAN service that provides provides WLAN the quantity of service with maximum.
3. the method for claim 1 is characterized in that, said AP confirms the present load parameter of said AC according to said AC current states information and resource information, is specially:
Generate the corresponding numerical value of handling according to preset algorithm between the state information of the performance project that said AP is current with said AC and the corresponding resource information;
Said AP confirms as the product between the weights of said processing numerical value and preset said performance project the present load parameter of said performance project;
The present load parameter of the performance project that said AP will preset, or the present load parameter present load parameter of a plurality of performance projects and that confirm as said AC.
4. like claim 2 or 3 described methods, it is characterized in that said AP confirms the present load parameter of said AC according to said AC current states information and resource information, is specially:
Present load parameter=first weights * (CPU alarming threshold-average cpu busy percentage)+second weights * (internal storage warning thresholding-average memory usage)+the 3rd weights * (the average converting flow of 1-/max-forwards flow)+the 4th weights * (1-((when front port upstream bandwidth/when the maximum upstream bandwidth of front port)+(when front port downlink bandwidth /))/2) when front port maximum downstream bandwidth+the 5th weights * (the average encryption and decryption flow of 1-/maximum encryption and decryption flow);
Wherein, said first weights, second weights, the 3rd weights, the 4th weights and the 5th weights sum are 1.
5. the method for claim 1 is characterized in that, said AP confirms the load rising probability parameter of said AC according to said AC current states information and resource information, is specially:
Generate the corresponding numerical value of handling according to preset algorithm between the state information of the performance project that said AP is current with said AC and the corresponding resource information;
Said AP confirms as the product between the weights of said processing numerical value and preset said performance project the load rising probability parameter of said performance project;
The load rising probability parameter of the performance project that said AP will preset, or the load rising probability parameter load rising probability parameter of a plurality of performance projects and that confirm as said AC.
6. like claim 2 or 5 described methods, it is characterized in that said AP confirms the load rising probability parameter of said AC according to said AC current states information and resource information, is specially:
Load rising probability parameter=the 6th weights * (number of access point/maximum of the current connection of 1-can connect number of access point)+the 7th weights * (terminal quantity/maximum connectable terminal quantity that the 1-far-end is transmitted)+the 8th weights * (quantity/maximum of the current WLAN of the providing service of 1-provides the WLAN quantity of service);
Wherein, said the 6th weights, the 7th weights and the 8th weights sum are 1.
7. the method for claim 1 is characterized in that, said AP is at least one AC of present load parameter maximum, and an AC who selects to have maximum load rising probability parameter is specially as the AC that self belonged to:
When said AP confirmed that the quantity of the AC that the present load parameter is maximum is one, said AP confirmed that said AC is the AC that self belonged to;
When said AP confirmed that the quantity of the AC that the present load parameter is maximum is a plurality of, said AP was in said a plurality of AC, and an AC who selects to have maximum load rising probability parameter is as AC that self belonged to.
8. an AP is characterized in that, specifically comprises:
Receiver module is used to receive at least one AC and finds message, and said AC finds to comprise corresponding AC current states information and resource information in the message;
Determination module is connected with said receiver module, is used for according to said receiver module received AC current states information and resource information, confirms present load parameter and the load rising probability parameter of said AC;
Select module, be connected with said determination module, be used for the result according to said determination module, in maximum at least one AC of present load parameter, an AC who selects to have maximum load rising probability parameter is as AC that self belonged to;
Wherein, said load parameter is big more, and corresponding load is light more; Said load rising probability parameter is big more, and the possibility that corresponding load is risen is more little.
9. AP as claimed in claim 8 is characterized in that, said determination module is confirmed load rising probability parameter and the load rising probability parameter of said AC according to said AC current states information and resource information, is specially:
Generate the corresponding numerical value of handling according to preset algorithm between the state information of the performance project that said determination module is current with said AC and the corresponding resource information;
Said determination module is confirmed as the product between the weights of said processing numerical value and preset said performance project the load rising probability parameter of said performance project;
The load rising probability parameter of the performance project that said determination module will be preset, or the load rising probability parameter load rising probability parameter of a plurality of performance projects and that confirm as said AC.
10. AP as claimed in claim 8; It is characterized in that said selection module is according to the result of said determination module, at least one AC of present load parameter maximum; Selection has an AC of maximum load rising probability parameter as the AC that self belonged to, and is specially:
When said determination module confirmed that the quantity of the AC that the present load parameter is maximum is one, said selection module confirmed that said AC is the AC that self belonged to;
When said determination module confirmed that the quantity of the AC that the present load parameter is maximum is a plurality of, said selection module was in said a plurality of AC, and an AC who selects to have maximum load rising probability parameter is as AC that self belonged to.
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| CN101653025A (en) * | 2007-02-05 | 2010-02-17 | 艾利森电话股份有限公司 | Congestion/load indication for high speed packet access |
| CN101610448A (en) * | 2008-06-20 | 2009-12-23 | 中兴通讯股份有限公司 | A kind of dynamic access method of wireless access equipment |
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