CN105191223B

CN105191223B - Tunnel processing method, apparatus and system

Info

Publication number: CN105191223B
Application number: CN201380076364.1A
Authority: CN
Inventors: 杨晖; 唐厚成; 甄斌
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2013-10-12
Filing date: 2013-10-12
Publication date: 2019-05-10
Anticipated expiration: 2033-10-12
Also published as: WO2015051553A1; CN105191223A

Abstract

The embodiment of the present invention provides a kind of tunnel processing method, apparatus and system.Tunnel processing method of the present invention, comprising: STA and the first wireless terminal website WTP establishes the second control wireless access point agreement CAPWAP tunnel；STA receives the discovery request message that the 2nd WTP is sent, and discovery request message includes that CAPWAP tunnel establishes request；When STA does not establish CAPWAP tunnel with the 2nd WTP based on CAPWAP tunnel foundation request is determining, the determination of at least one of request content and the maximum access capability of STA is established according to CAPWAP tunnel and establishes third CAPWAP tunnel with the 2nd WTP；STA notifies the foundation of third CAPWAP tunnel by the second CAPWAP tunnel and the first CAPWAP tunnel to AC, so that AC adjusts the resource distribution of the 2nd WTP by the first CAPWAP tunnel, the second CAPWAP tunnel and third CAPWAP tunnel, wherein, the first CAPWAP tunnel original CAPWAP tunnel between the first WTP and AC.Can be by adjusting STA and the resource distribution of the mobile device with WTP access function, the Internet resources of rationally control access network.

Description

Tunnel processing method, apparatus and system

Technical field

The present embodiments relate to field of communication technology more particularly to a kind of tunnel processing methods, apparatus and system.

Background technique

With the fast development of internet, Centralized Wireless LAN (Wireless Local Area Network, WLAN) framework comes into being.It manages multiple radio terminal stations by access control point (Access Controller, AC) Point (Wireless Termination Points, WTP), using control wireless access point agreement (Control between WTP and AC And Provisioning of Wireless Access Point, CAPWAP) and 802.11 agreements communicated, wherein WTP is the equipment for allowing wireless device to access cable network by 802.11 or relevant criterion.Usual WTP is independently set as one Router feature can also be integrated for cable network or WTP is linked by connection router.AC by network administrator or Network Operation Center manages the entity of a large amount of WTP, completes the configuration to WTP equipment, authentication, the management such as safety.

Wireless Fidelity (Wireless Fidelity, WiFi) equipment of current each operator is in WLAN framework as station Point (Station, STA) is disposed more and more intensive, and the STA between each operator can generate very more overlap, wherein STA be comprising IEEE802.11 agreement access wireless medium equipment, STA need by WTP access using 802.11 agreements into In row communication network.But WTP or AC under the 802.11 protocol can not effectively manage a large amount of STA.Moreover, with just The continuous development of mobile device is taken, the equipment office equipment (BYOD, Bring Your Own Device) for such as carrying oneself is more next More, BYOD is the portable mobile equipment for allowing wireless device to access cable network by 802.11 or relevant criterion, Ke Yicheng The function of WTP is carried on a shoulder pole, but mobility is stronger, in no controlled state, radio channel resource used in BYOD is uncontrolled.

Since STA and the BYOD shortage for undertaking WTP access function are effectively managed, there are STA and BYOD resource tune in network The problems such as degree disorder, resource allocation is unreasonable.

Summary of the invention

The embodiment of the present invention provides a kind of tunnel processing method, apparatus and system, by adjusting STA and can have The resource distribution of the mobile device of WTP access function, the Internet resources of rationally control access network.

The first aspect of the present invention, providing a kind of tunnel processing method includes:

Site STA and the first wireless terminal website WTP establish the second control wireless access point agreement CAPWAP tunnel；

The STA receives the discovery request message that the 2nd WTP is sent, and the discovery request message is built comprising CAPWAP tunnel Vertical request；

When the STA does not establish CAPWAP tunnel with the 2nd WTP based on CAPWAP tunnel foundation request is determining, At least one of request content and the maximum access capability of STA is established according to the CAPWAP tunnel to determine and described second WTP establishes third CAPWAP tunnel；

The STA notifies the third to the AC by second CAPWAP tunnel and the first CAPWAP tunnel The foundation of CAPWAP tunnel, so that the AC passes through first CAPWAP tunnel, the second CAPWAP tunnel and third CAPWAP tunnel adjusts the resource distribution of the 2nd WTP, wherein first CAPWAP tunnel is the first WTP and institute State original CAPWAP tunnel between AC.

In the first possible implementation, according in a first aspect, described established according to the CAPWAP tunnel is requested At least one of maximum access capability of content and STA is determining to be established after third CAPWAP tunnel with the 2nd WTP, also Include:

The STA sends wireless measurement to the AC by second CAPWAP tunnel and first CAPWAP tunnel Information request message, the wireless measurement information request message include the wireless measurement information of the third CAPWAP tunnel, with So that the AC carries out wireless measurement according to the wireless measurement information of the third CAPWAP tunnel.

In the second possible implementation, with reference to first aspect with the first possible implementation, the STA is logical Cross second CAPWAP tunnel and first CAPWAP tunnel to the AC send wireless measurement information request message after, Further include:

The STA receives the AC and passes through the radio configuration described in the first CAPWAP tunnel with the transmission of the second CAPWAP tunnel Request message, configuration information included in the radio configuration request message are to determine after the AC carries out the wireless measurement 's；

The STA sends the radio configuration request message to the 2nd WTP by the third CAPWAP tunnel, with The 2nd WTP configuration information according to included in the radio configuration request message is set to carry out resource distribution.

The second aspect of the present invention provides a kind of tunnel processing method, comprising:

Second wireless terminal website WTP sends discovery request message, and the discovery request message includes control wireless access Point agreement CAPWAP tunnel establishes request so that site STA be based on the CAPWAP tunnel establish request it is determining not with it is described When 2nd WTP establishes CAPWAP tunnel, established according to the CAPWAP tunnel in the maximum access capability of request content and STA At least one, which is determined, establishes third CAPWAP tunnel with the 2nd WTP；

2nd WTP and the STA establish third CAPWAP tunnel, so that access control point AC passes through first CAPWAP tunnel, the second CAPWAP tunnel and the third CAPWAP tunnel adjust the resource distribution of the 2nd WTP, described First CAPWAP tunnel original CAPWAP tunnel between the first WTP and AC, the 2nd CAPWAP is described The CAPWAP tunnel that the first WTP and STA is established.

In the first possible implementation, third is established according to second aspect, the 2nd WTP and the STA After CAPWAP tunnel, further includes:

2nd WTP receives the radio configuration request message that the STA is sent by the third CAPWAP tunnel, institute Stating configuration information included in radio configuration request message is to determine after the AC carries out the wireless measurement；

2nd WTP configuration information according to included in the radio configuration request message carries out resource distribution.

The third aspect of the present invention provides a kind of tunnel processing method, comprising:

Access control point AC is received by the second control wireless access point agreement CAPWAP tunnel and the first CAPWAP tunnel The notice that the third CAPWAP tunnel is established, the third CAPWAP tunnel be site STA establish with the second wireless terminal The CAPWAP tunnel of website WTP；

The AC passes through described in the first CAPWAP tunnel, the second CAPWAP tunnel and third CAPWAP tunnel adjustment The resource distribution of 2nd WTP, first CAPWAP tunnel original CAPWAP tunnel between the first WTP and AC Road, the 2nd CAPWAP are the CAPWAP tunnel that the first WTP and STA is established.

In the first possible implementation, the access control point AC passes through the second control wireless access point agreement CAPWAP tunnel and the first CAPWAP tunnel receive after the notice that the third CAPWAP tunnel is established, further includes:

The AC receives the wireless measurement that the STA is sent by second CAPWAP tunnel and the first CAPWAP tunnel Information request message, the wireless measurement information request message include the wireless measurement information of the third CAPWAP tunnel；

The AC carries out wireless measurement according to the wireless measurement information of the third CAPWAP tunnel.

In the second possible implementation, in conjunction with the third aspect and the first possible implementation, the AC root After the wireless measurement information progress wireless measurement of the third CAPWAP tunnel, further includes:

The AC with the second CAPWAP tunnel described in the first CAPWAP tunnel by sending radio configuration to the STA and requesting Message, configuration information included in the radio configuration request message are to determine after the AC carries out the wireless measurement, So that the STA sends the radio configuration request message to the 2nd WTP by the third CAPWAP tunnel, it is described 2nd WTP configuration information according to included in the radio configuration request message carries out resource distribution.

The fourth aspect of the present invention provides a kind of site STA, comprising:

STA establishes unit in tunnel, for establishing the second control wireless access point agreement with the first wireless terminal website WTP CAPWAP tunnel；

STA receiving unit, for receiving the discovery request message of the 2nd WTP transmission, the discovery request message includes CAPWAP tunnel establishes request；

STA processing unit, for being established based on the CAPWAP tunnel, request is determining not to be established with the 2nd WTP When CAPWAP tunnel, it is true that at least one of request content and the maximum access capability of STA are established according to the CAPWAP tunnel It is fixed to establish third CAPWAP tunnel with the 2nd WTP；

STA transmission unit, for notifying institute to the AC by second CAPWAP tunnel and the first CAPWAP tunnel State the foundation of third CAPWAP tunnel so that the AC by first CAPWAP tunnel, the second CAPWAP tunnel and Third CAPWAP tunnel adjusts the resource distribution of the 2nd WTP, wherein first CAPWAP tunnel is the first WTP Original CAPWAP tunnel between the AC.

In the first possible implementation, according to fourth aspect,

The STA transmission unit is also used to through second CAPWAP tunnel and first CAPWAP tunnel to institute It states AC and sends wireless measurement information request message, the wireless measurement information request message includes the third CAPWAP tunnel Wireless measurement information, so that the AC carries out wireless measurement according to the wireless measurement information of the third CAPWAP tunnel.

In the second possible implementation, in conjunction with fourth aspect and the first possible implementation,

The STA receiving unit is also used to receive the AC by described in the first CAPWAP tunnel and the 2nd CAPWAP tunnel The radio configuration request message that road is sent, configuration information included in the radio configuration request message are AC progress institute It states and determines after wireless measurement；

The STA transmission unit is also used to send by the third CAPWAP tunnel to the 2nd WTP described wireless Configuration request message, so that the 2nd WTP configuration information according to included in the radio configuration request message is provided Source configuration.

The fifth aspect of the present invention provides the second wireless terminal website WTP of one kind, comprising:

WTP transmission unit, sends discovery request message, and the discovery request message includes control wireless access point agreement CAPWAP tunnel establishes request so that site STA be based on the CAPWAP tunnel establish request it is determining not with the 2nd WTP When establishing CAPWAP tunnel, at least one in the maximum access capability of request content and STA is established according to the CAPWAP tunnel A determination and the 2nd WTP establish third CAPWAP tunnel；

WTP establishes unit in tunnel, for establishing third CAPWAP tunnel with the STA, so that access control point AC is logical It crosses the first CAPWAP tunnel, the second CAPWAP tunnel and the third CAPWAP tunnel and adjusts the resource of the 2nd WTP and match It sets, first CAPWAP tunnel original CAPWAP tunnel between the first WTP and AC, the 2nd CAPWAP The CAPWAP tunnel established for the first WTP and STA.

In the first possible implementation, according to the 5th aspect, the 2nd WTP further include:

Further include:

WTP receiving unit disappears for receiving the radio configuration request that the STA is sent by the third CAPWAP tunnel It ceases, configuration information included in the radio configuration request message is to determine after the AC carries out the wireless measurement；

WTP processing unit carries out resource for the configuration information according to included in the radio configuration request message and matches It sets.

The sixth aspect of the present invention provides a kind of access control point AC, comprising:

AC receiving unit, for being connect by the second control wireless access point agreement CAPWAP tunnel and the first CAPWAP tunnel Receive the notice that the third CAPWAP tunnel is established, the third CAPWAP tunnel be site STA establish with second it is wireless eventually The CAPWAP tunnel of end station point WTP；

AC processing unit, for passing through the first CAPWAP tunnel, the second CAPWAP tunnel and the 3rd CAPWAP tunnel Road adjusts the resource distribution of the 2nd WTP, and first CAPWAP tunnel is original between the first WTP and AC CAPWAP tunnel, the 2nd CAPWAP are the CAPWAP tunnel that the first WTP and STA is established.

In the first possible implementation, according to the 6th aspect,

The AC receiving unit is also used to by described in second CAPWAP tunnel and the reception of the first CAPWAP tunnel The wireless measurement information request message that STA is sent, the wireless measurement information request message include the third CAPWAP tunnel Wireless measurement information；

The AC processing unit is also used to wirelessly be surveyed according to the wireless measurement information of the third CAPWAP tunnel Amount.

In the second possible implementation, in conjunction with the 6th aspect and the first possible implementation,

AC transmission unit, for by sending nothing to the STA with the second CAPWAP tunnel described in the first CAPWAP tunnel Line configuration request message, configuration information included in the radio configuration request message are that the AC carries out the wireless measurement It determines, is requested so that the STA sends the radio configuration to the 2nd WTP by the third CAPWAP tunnel afterwards Message, the 2nd WTP configuration information according to included in the radio configuration request message carry out resource distribution.

The seventh aspect of the present invention provides a kind of site STA, comprising:

STA processor, for establishing the second control wireless access point agreement CAPWAP tunnel with the first wireless terminal website WTP Road；

STA receiver, for receiving the discovery request message of the 2nd WTP transmission, the discovery request message includes CAPWAP tunnel establishes request；

The STA processor is also used to be determined based on CAPWAP tunnel foundation request and not established with the 2nd WTP When CAPWAP tunnel, it is true that at least one of request content and the maximum access capability of STA are established according to the CAPWAP tunnel It is fixed to establish third CAPWAP tunnel with the 2nd WTP；

STA transmitter, for passing through second CAPWAP tunnel and the first CAPWAP tunnel to described in AC notice The foundation of third CAPWAP tunnel, so that the AC passes through first CAPWAP tunnel, the second CAPWAP tunnel and the Three CAPWAP tunnel adjust the resource distribution of the 2nd WTP, wherein first CAPWAP tunnel be the first WTP with Original CAPWAP tunnel between the AC.

In the first possible implementation, according to the 7th aspect,

The STA transmitter is also used to through second CAPWAP tunnel and first CAPWAP tunnel to described AC sends wireless measurement information request message, and the wireless measurement information request message includes the nothing of the third CAPWAP tunnel Line metrical information, so that the AC carries out wireless measurement according to the wireless measurement information of the third CAPWAP tunnel.

In the second possible implementation, in conjunction with the 7th aspect and the first possible implementation,

The STA receiver is also used to receive the AC by described in the first CAPWAP tunnel and the second CAPWAP tunnel The radio configuration request message of transmission, configuration information included in the radio configuration request message are described in the AC is carried out It is determined after wireless measurement；

The STA transmitter is also used to wirelessly match by the third CAPWAP tunnel to the 2nd WTP transmission is described Request message is set, so that the 2nd WTP configuration information according to included in the radio configuration request message carries out resource Configuration.

The eighth aspect of the present invention provides the second wireless terminal website WTP of one kind, comprising:

WTP transmitter, for sending discovery request message, the discovery request message includes control wireless access point agreement CAPWAP tunnel establishes request so that site STA be based on the CAPWAP tunnel establish request it is determining not with the 2nd WTP When establishing CAPWAP tunnel, at least one in the maximum access capability of request content and STA is established according to the CAPWAP tunnel A determination and the 2nd WTP establish third CAPWAP tunnel；

WTP processor, for establishing third CAPWAP tunnel with the STA, so that access control point AC passes through first CAPWAP tunnel, the second CAPWAP tunnel and the third CAPWAP tunnel adjust the resource distribution of the 2nd WTP, described First CAPWAP tunnel original CAPWAP tunnel between the first WTP and AC, the 2nd CAPWAP is described The CAPWAP tunnel that the first WTP and STA is established.

In the first possible implementation, according to eighth aspect, the 2nd WTP further include:

WTP receiver disappears for receiving the radio configuration request that the STA is sent by the third CAPWAP tunnel It ceases, configuration information included in the radio configuration request message is to determine after the AC carries out the wireless measurement；

The WTP processor is also used to the configuration information according to included in the radio configuration request message and is provided Source configuration.

The ninth aspect of the present invention provides a kind of access control point AC, comprising:

AC receiver, for being received by the second control wireless access point agreement CAPWAP tunnel and the first CAPWAP tunnel The notice that the third CAPWAP tunnel is established, the third CAPWAP tunnel be site STA establish with the second wireless terminal The CAPWAP tunnel of website WTP；

AC processor, for passing through the first CAPWAP tunnel, the second CAPWAP tunnel and the third CAPWAP tunnel The resource distribution of the 2nd WTP is adjusted, first CAPWAP tunnel is original between the first WTP and AC CAPWAP tunnel, the 2nd CAPWAP are the CAPWAP tunnel that the first WTP and STA is established.

In the first possible implementation, according to the 9th aspect,

The AC receiver is also used to receive the STA by second CAPWAP tunnel and the first CAPWAP tunnel The wireless measurement information request message of transmission, the wireless measurement information request message include the nothing of the third CAPWAP tunnel Line metrical information；

The AC processor is also used to carry out wireless measurement according to the wireless measurement information of the third CAPWAP tunnel.

In the second possible implementation, in conjunction with the 9th aspect and the first possible implementation,

AC transmitter, for by being sent wirelessly with the second CAPWAP tunnel to the STA described in the first CAPWAP tunnel Configuration request message, configuration information included in the radio configuration request message are after the AC carries out the wireless measurement Determining, disappear so that the STA sends the radio configuration request to the 2nd WTP by the third CAPWAP tunnel Breath, the 2nd WTP configuration information according to included in the radio configuration request message carry out resource distribution.

Tenth aspect, provides a kind of system, comprising:

Any site STA, above-mentioned 5th aspect and its each implementation in above-mentioned fourth aspect and its each implementation In access control point AC any in any the second wireless terminal website WTP and above-mentioned 6th aspect and its each implementation.

On the one hand tenth, provides a kind of system, comprising:

Any site STA, above-mentioned eighth aspect and its each implementation in above-mentioned 7th aspect and its each implementation In access control point AC any in any the second wireless terminal website WTP and above-mentioned 9th aspect and its each implementation.

Tunnel processing method provided in an embodiment of the present invention, apparatus and system, STA and the first WTP establish the 2nd CAPWAP Tunnel；The discovery request message of the 2nd WTP transmission is received, discovery request message includes that CAPWAP tunnel establishes request；It is based on When CAPWAP tunnel foundation request determination does not establish CAPWAP tunnel with the 2nd WTP, request content is established according to CAPWAP tunnel Third CAPWAP tunnel is established at least one of the maximum access capability of STA determining and the 2nd WTP；Pass through the 2nd CAPWAP The foundation of tunnel and the first CAPWAP tunnel to AC notice third CAPWAP tunnel so that AC by the first CAPWAP tunnel, Second CAPWAP tunnel and third CAPWAP tunnel adjust the resource distribution of the 2nd WTP, and the first CAPWAP tunnel is the first WTP Original CAPWAP tunnel between AC.So, by establishing the second CAPWAP tunnel between WTP and STA, STA with Third CAPWAP tunnel is established between 2nd WTP, AC is controlled by the first CAPWAP tunnel, the second CAPWAP tunnel STA, and above-mentioned CAPWAP tunnel and third CAPWAP tunnel control the 2nd WTP, so that the 2nd WTP is provided according to the control of AC Source configuration, so that each 2nd WTP, STA can rationally utilize wireless channel in access network, thus rationally control access network Internet resources.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is a kind of existing application scenarios of tunnel processing method of the present invention；

Fig. 2 is the flow chart of tunnel processing method embodiment of the present invention；

Fig. 3 is the flow chart of another embodiment of tunnel processing method of the present invention；

Fig. 4 is the flow chart of the another embodiment of tunnel processing method of the present invention；

Fig. 5 is the flow chart of tunnel processing method another embodiment of the present invention；

Fig. 6 is the flow chart of tunnel establishing method embodiment provided by the invention；

Fig. 7 is the flow chart of another embodiment of tunnel establishing method provided by the invention；

Fig. 8 is the structural schematic diagram of STA embodiment of the present invention；

Fig. 9 is the structural schematic diagram of the 2nd WTP embodiment of the invention；

Figure 10 is the structural schematic diagram of another embodiment of the 2nd WTP of the present invention；

Figure 11 is the structural schematic diagram of AC embodiment of the present invention；

Figure 12 is the structural schematic diagram of another embodiment of AC of the present invention；

Figure 13 is the structural schematic diagram of another STA embodiment of the present invention；

Figure 14 is the structural schematic diagram of another 2nd WTP embodiment of the present invention；

Figure 15 is the structural schematic diagram of another embodiment of the 2nd WTP of the present invention；.

Figure 16 is the structural schematic diagram of another AC embodiment of the present invention；

Figure 17 is the structural schematic diagram of another embodiment of AC of the present invention；

Figure 18 is the structural schematic diagram of tunnel processing method system embodiment of the present invention.

Specific embodiment

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.

It should be noted that Fig. 1 is a kind of existing application scenarios of tunnel processing method of the present invention, as shown in Figure 1, this hair It is bright to can be applied in following scene, there is at least one the first WTP in the radio transmission range of STA, and the first WTP and AC is built It is vertical to have the tunnel the first CAPWAP (Control And Provisioning of Wireless Access Point, CAPWAP), That is the first CAPWAP tunnel original CAPWAP tunnel between the first WTP and AC, STA and the first WTP pass through 802.11 agreements Communication.There are one independent 2nd WTP, the 2nd WTP can be a kind of setting from carrying in the radio transmission range of STA Standby (Bring Your Own Device, BYOD).Wherein, the first WTP can be fixable access points in WiFi (Access Point, AP) has the first CAPWAP tunnel with AC foundation, and the 2nd WTP is then a kind of access device of movement, and The first CAPWAP tunnel is not established with AC.So radio channel resource used by the 2nd WTP is uncontrolled, the 2nd WTP is to money Source utilization may severe jamming STA or the first WTP communication.

Fig. 2 is the flow chart of tunnel processing method embodiment of the present invention, as shown in Fig. 2, the method for the present embodiment can wrap It includes:

S101, STA and the first WTP establish the second CAPWAP tunnel.

It should be noted that the communication protocol generallyd use between the first WTP and AC is control wireless access point agreement, it should Agreement is built upon the application layer protocol on User Datagram Protocol (User Datagram Protocol, UDP), its core Thought is want to establish one article of tunnel between AC and the first WTP, is denoted as the first CAPWAP tunnel, will control message and user data Message is carried in tunnel, convenient for managing and protecting user data concentratedly.Wherein, CAPWAP tunnel is divided into control tunnel and data Tunnel, transmission CAPWAP in control tunnel controls message, and data tunnel transmits data message.

For example, STA and the first WTP, which establish the second CAPWAP tunnel, can be what the first WTP or AC control was established, such as Second CAPWAP tunnel is established by the first WTP control, the CAPWAP tunnel that the first WTP receives STA is established request, asked according to this It asks and establishes the second CAPWAP tunnel between STA；Alternatively, establishing second CAPWAP tunnel by AC control, the first WTP is received STA send CAPWAP tunnel establish request after, by the CAPWAP tunnel establish request be transmitted to AC so that AC according to be somebody's turn to do CAPWAP tunnel establishes request control WTP and STA and establishes the second CAPWAP tunnel.

Further, the second CAPWAP tunnel is established in STA and the first WTP, STA can pass through CAPWAP to the first WTP Message carries data message or control message, the format of message and can be finely tuned to be formed according to the original format of CAPWAP message, the The control message and data message transmitted between one WTP and AC and the holding of existing standard are basically unchanged, wherein the first CAPWAP tunnel Road original CAPWAP tunnel between the first WTP and AC.

S102, STA receive the discovery request message that the 2nd WTP is sent, and discovery request message is established comprising CAPWAP tunnel Request.

When S103, STA do not establish CAPWAP tunnel with the 2nd WTP based on CAPWAP tunnel foundation request is determining, according to CAPWAP tunnel establishes the determination of at least one of request content and the maximum access capability of STA and establishes third with the 2nd WTP CAPWAP tunnel.

Further, STA is receiving discovery request message and is determining that in the discovery request message include CAPWAP tunnel Road can then determine that the 2nd WTP not yet establishes third CAPWAP tunnel with the STA when establishing request, then can be according to CAPWAP Tunnel establishes the determination of at least one of request content and the maximum access capability of STA and establishes the 3rd CAPWAP tunnel with the 2nd WTP Road.

It should be noted that STA can serve as the AC of the 2nd WTP after receiving the discovery request message of the 2nd WTP transmission, It can be realized by built-in virtual AC function and establish third CAPWAP tunnel with the 2nd WTP.Wherein, built-in virtual AC function Can be according to AC send CAPWAP message sets etc..

S104, STA notify building for third CAPWAP tunnel to AC by the second CAPWAP tunnel and the first CAPWAP tunnel It is vertical.

So that AC passes through the first CAPWAP tunnel, the second CAPWAP tunnel and third CAPWAP tunnel adjustment second The resource distribution of WTP, wherein the first CAPWAP tunnel original CAPWAP tunnel between the first WTP and AC.

Further, the 2nd WTP can send discovery request message, if STA receives the 2nd WTP and returns to sound It answers, then STA can serve as the AC of the 2nd WTP；That is AC can by STA, i.e. the first CAPWAP tunnel, the second CAPWAP tunnel and Third CAPWAP tunnel manages the 2nd WTP, such as is managed to the 2nd WTP interference and resource information.2nd WTP is carried out Control and adjustment.Wherein, STA can be multimode device or more network card equipments etc..

Further, the CAPWAP message that the CAPWAP message transmitted in third CAPWAP tunnel carries can with it is existing CAPWAP message format is consistent, can also the CAPWAP message defined in existing CAPWAP agreement increased and modified, such as The corresponding CAPWAP tunnel of header content 110 for increasing protocol package establishes request, or in the identity number of protocol package The domain (ID, Identity) is written the corresponding CAPWAP tunnel of number 4 and establishes request etc., herein only with this for example, other Can be corresponded to by this method by first CAPWAP tunnel with the message of the second CAPWAP tunnel it is perhaps tactful in message, And the message for being transmitted in the first CAPWAP tunnel and the second CAPWAP tunnel otherwise defined is within protection scope.

Tunnel processing method provided in an embodiment of the present invention, STA and the first WTP establish the second CAPWAP tunnel；Receive the The discovery request message that two WTP are sent, discovery request message include that CAPWAP tunnel establishes request；It is established based on CAPWAP tunnel When request determination does not establish CAPWAP tunnel with the 2nd WTP, request content is established according to CAPWAP tunnel and the maximum of STA accesses At least one of ability is determining to establish third CAPWAP tunnel with the 2nd WTP；Pass through the second CAPWAP tunnel and first Foundation of the CAPWAP tunnel to AC notice third CAPWAP tunnel, so that AC passes through the first CAPWAP tunnel, the 2nd CAPWAP Tunnel and third CAPWAP tunnel adjust the resource distribution of the 2nd WTP, and the first CAPWAP tunnel is former between the first WTP and AC Some CAPWAP tunnel.So, by establishing the second CAPWAP tunnel between WTP and STA, between STA and the 2nd WTP Third CAPWAP tunnel is established, enables AC to control STA by the first CAPWAP tunnel, the second CAPWAP tunnel, and above-mentioned CAPWAP tunnel and third CAPWAP tunnel control the 2nd WTP, so that the 2nd WTP carries out resource distribution according to the control of AC, make Each 2nd WTP, STA in network, which must be accessed, can rationally utilize wireless channel, thus the network money of rationally control access network Source.

Fig. 3 is the flow chart of another embodiment of tunnel processing method of the present invention, is originally practiced between WTP and AC Under the scene for establishing the first CAPWAP tunnel, as shown in figure 3, the method for the present embodiment may include:

S201, the 2nd WTP send discovery request message, and discovery request message includes that CAPWAP tunnel establishes request.

So that STA is determined based on CAPWAP tunnel foundation request when not establishing CAPWAP tunnel with the 2nd WTP, according to CAPWAP tunnel establishes the determination of at least one of request content and the maximum access capability of STA and establishes third with the 2nd WTP CAPWAP tunnel.

It should be noted that needing low frequency to send discovery request if the 2nd WTP is fat AP as BYOD and disappearing Breath, to request AC to find and obtain the interference consultative management of AC.Wherein, the discovery request message which sends can be broadcast It sends.

S202, the 2nd WTP and STA establish third CAPWAP tunnel.

So that access AC passes through the first CAPWAP tunnel, the second CAPWAP tunnel and third CAPWAP tunnel adjustment the The resource distribution of two WTP, the first CAPWAP tunnel original CAPWAP tunnel between the first WTP and AC, the 2nd CAPWAP are The CAPWAP tunnel that first WTP and STA is established.

It should be noted that the field that the first CAPWAP tunnel, the second CAPWAP tunnel and third CAPWAP tunnel are established Scape and the message that can be transmitted and content describe in the above-described embodiments, and details are not described herein.

Fig. 4 is the flow chart of the another embodiment of tunnel processing method of the present invention, is originally practiced between WTP and AC Under the scene for establishing the first CAPWAP tunnel, as shown in figure 4, the method for the present embodiment may include:

The first CAPWAP tunnel is established in the first WTP and AC, STA and the first WTP are established after the second CAPWAP tunnel, held Row step S301.

S301, AC receive the logical of third CAPWAP tunnel foundation by the second CAPWAP tunnel and the first CAPWAP tunnel Know, third CAPWAP tunnel is the CAPWAP tunnel with the 2nd WTP that STA is established.

Further, third CAPWAP tunnel information, such as STA can be carry in the notice that third CAPWAP tunnel is established Wireless range in may have multiple 2nd WTP, the third CAPWAP tunnel carry the 2nd WTP MAC Address or according to The number that settling time is numbered, so that AC determines which third CAPWAP tunnel is which is corresponded to according to the tunnel information One the 2nd WTP's.

For example, corresponding 2nd WTP1 of the third CAPWAP tunnel of first article of foundation, the third that Article 2 is established CAPWAP tunnel corresponds to the 2nd WTP3, corresponding 2nd WTP3 of the third CAPWAP tunnel that Article 3 is established；In this case, AC can To determine the corresponding hair of third CAPWAP tunnel by first foundation such as message, message for returning by the coding 1 in notice It is sent to the 2nd WTP1；AC can determine the third that message, message for returning etc. are established by Article 2 by the coding 2 in notice CAPWAP tunnel correspondence is sent to the 2nd WTP3；AC can determine that message, message for returning etc. pass through by the coding 3 in notice The third CAPWAP tunnel correspondence that Article 3 is established is sent to the 2nd WTP2.Herein only with simple sequence number for example, its His coding or other numbers indicate that corresponding third CAPWAP tunnel within protection scope, does not do any restriction with this.

S302, AC adjust the 2nd WTP by the first CAPWAP tunnel, the second CAPWAP tunnel and third CAPWAP tunnel Resource distribution.

Wherein, the first CAPWAP tunnel original CAPWAP tunnel between the first WTP and AC, the 2nd CAPWAP are first The CAPWAP tunnel that WTP and STA is established.

It should be noted that after establishing the first CAPWAP tunnel, the second CAPWAP tunnel and the second CAPWAP tunnel, AC can carry out resource distribution to the 2nd WTP according to the testing result reported, such as modify to the radio configuration of the 2nd WTP, Including channel, resource scheduling information, occupied bandwidth and rate etc. parameter where modification.

Fig. 5 is the flow chart of tunnel processing method another embodiment of the present invention, as shown in figure 5, the method for the present embodiment can To include:

After the first WTP and AC establish the first CAPWAP tunnel, step S401 is executed.

S401, STA and the first WTP establish the second CAPWAP tunnel.

Further, the second CAPWAP tunnel can be what the first WTP control was established, be also possible to what AC control was established.

For example, Fig. 6 is the flow chart of tunnel establishing method embodiment provided by the invention, as shown in fig. 6, second CAPWAP tunnel can be what the first WTP control was established.

S501, STA send CAPWAP tunnel to the first WTP and establish request.

If the CAPWAP tunnel that S502, the first WTP receive STA transmission establishes request, established according to CAPWAP tunnel At least one of request content and the maximum access capability of the first WTP determine whether establish between the first WTP and STA second CAPWAP tunnel is to then follow the steps S503；It is no, then execute S509.

For example, at least one in the maximum access capability of request content and the first WTP is established according to CAPWAP tunnel It is a to determine whether that the second CAPWAP tunnel established between the first WTP and STA may is that the first WTP is established according to tunnel and request Request condition whether correctly determine or according to tunnel establish request format whether correctly determine；Or according to the first WTP Ability determine whether permit establish the second CAPWAP tunnel determine whether permit establish the second CAPWAP tunnel；Alternatively, working as The 2nd CAPWAP tunnel is established in determination when the maximum access capability that CAPWAP tunnel establishes request content and the first WTP all meets condition Road.

Such as, the first WTP can according to whether the request condition that request is established in tunnel correctly establish CAPWAP tunnel really To be whether the determining CAPWAP tunnel establishes the source STA of request and be pre-stored in and can establish in tunnel list, this can establish tunnel column Table can be pre-stored in the first WTP.If source, STA is to determine to permit establishing the if being pre-stored in the STA that can be established in tunnel list Two CAPWAP tunnel.

Such as, the first WTP can also determine whether to permit establishing the second CAPWAP tunnel according to the format that request is established in tunnel. The request can be preset with special format as above-mentioned message, and the first WTP is if it is determined that request is established in the tunnel received Meet preset format, it is determined that the second CAPWAP tunnel is established in allowance.

Alternatively, the first WTP can also determine whether to permit establishing the second CAPWAP tunnel according to the ability of the first WTP.Such as, The ability that the second CAPWAP tunnel is established in the carrying of first WTP maximum is to establish five article of second CAPWAP tunnel, and the tunnel of the STA is built Vertical request is sent to the first WTP after the first WTP only establishes 1 to 3 article of second CAPWAP tunnel, and the first WTP determines first WTP can also carry more one the second CAPWAP tunnel, then permit establishing；Request is established in the first WTP in the tunnel of the STA It is sent to the first WTP after establishing 5 article of second CAPWAP tunnel, then the first WTP ability is limited, and the first WTP, which is disapproved, establishes the The second CAPWAP tunnel between one WTP and the STA.

It should be noted that if permitting establishing, it can be returned to STA and be successfully established response, and execute S503；If disapproving It establishes, tunnel can be returned to STA and establishes failure notification, and executes S512.

S503, the first WTP establish the second CAPWAP tunnel between STA.

The is notified it should be noted that can send to AC after the second CAPWAP tunnel that the first WTP is established between STA The notification message that two CAPWAP tunnel are established.The notification message, which can also carry, is meeting above-mentioned CAPWAP message format In CAPWAP message.

S504, AC send CAPWAP message to the first WTP.

Further, comprising the AC CAPWAP control message sent or data message in CAPWAP message, to be carried out to STA Scheduling of resource, also includes identification information in CAPWAP message, and beacon information is the first CAPWAP tunnel or the second CAPWAP tunnel It is generated when establishing according to the first WTP or STA.

The identification information can be address information, or a default marker.The identification information is used for so that first WTP determines that CAPWAP message is destined to the message of STA, is also destined to the message of the first WTP.

Further, AC also can receive the CAPWAP message of the first WTP transmission, alternatively, the STA hair of the first WTP forwarding The CAPWAP message sent, CAPWAP message may include identification information, so that the AC determines the source of CAPWAP message, this Locate not reinflated explanation.

It should be noted that the CAPWAP message comprising description described in above-described embodiment in CAPWAP message, such as controls Message and data message, the format and carrying content of the CAPWAP message can be in accordance with the descriptions in above-described embodiment, herein no longer It repeats.

S505, the first WTP receive the CAPWAP message that AC is sent.

S506, the first WTP determine whether CAPWAP message is to be sent to STA's according to CAPWAP message identification information.

Further, the first WTP identification information according to included in CAPWAP message, determine CAPWAP message whether be It is sent to the message of STA.If identification information is address information, and the address information is the MAC of such as corresponding STA of effective address When address, determine that the message is to be sent to the message of the corresponding STA of the MAC Address；When the address information is invalid address, i.e., pair When should be less than the MAC Address of any STA, determine that the message is to be sent to the message of the first WTP, for example the message addresses are 38 F is effective address, and the F for being discontented with 38 is invalid address etc..Wherein, the MAC Address of STA can be pre-stored in the presets list, with Whether determining address information of tabling look-up is effective address, is determined as effectively if finding identical MAC Address in the presets list Otherwise location is invalid address.

Alternatively, identification information is a default marker, if presetting marker included in CAPWAP message is the first number Value, the corresponding STA of each first numerical value, then the first WTP forwards CAPWAP message to the corresponding STA of the first numerical value；If It is second value that marker is preset included in CAPWAP message, and corresponding first WTP of second value, then the first WTP is handled CAPWAP message.Such as, the first numerical value is 1, and when second value is 0, if the default marker is 1, which is to send To the first WTP's；If the default marker is 0, which is to be sent to STA's；Alternatively, the first numerical value is 0, second When numerical value is 1, if default marker is 0, which is to be sent to the first WTP；If default marker is 1, should CAPWAP message is to be sent to STA's.

Further, when the first WTP prestores the first numerical value of correspondence of multiple STA, the first numerical value connects according to STA respectively It is 01,10,11 or 1,2,3 etc. that the sequence entered, which is correspondingly arranged, can have second in this way in order to the first WTP and multiple STA foundation When CAPWAP tunnel, it can determine the CAPWAP message is destined to which STA's.

First WTP determines that CAPWAP message is destined to STA according to CAPWAP message identification information, thens follow the steps S507, if not then the first WTP parses the CAPWAP message, and according to perhaps strategy execution corresponding operation in it.

S507, the first WTP forward CAPWAP message to the corresponding STA of CAPWAP message identification information.

S508, STA receive the CAPWAP message of the first WTP forwarding.

Further, STA can also send CAPWAP message to AC by the first WTP, that is, pass through the second CAPWAP tunnel CAPWAP message is sent with the first CAPWAP tunnel, so, STA can be interacted by CAPWAP message with AC.

S509, the first WTP send tunnel to STA and establish failure notification, and it includes failure cause that failure notification is established in tunnel.

S510, STA receive the tunnel that the first WTP is sent and establish failure notification, are determined and are retransmitted according to failure cause CAPWAP tunnel establishes the time of request.

For example, STA can prestore a list, have the corresponding relationship of number with failure cause in the list, should Number can be coding or sequence number, and the failure cause that failure notification includes is established in tunnel can be a coding or sequence number, In this way, STA can determine the reason of failure is established in tunnel by inquiring the list.

Further, which can also prestore the corresponding timer of the failure cause, so that STA is in timer It is re-requested again after time-out and establishes the second CAPWAP tunnel.If failure cause is that the first CAPWAP tunnel is abnormal, then after 5 seconds again It sends CAPWAP tunnel and establishes request etc..

Alternatively, Fig. 7 is the flow chart of another embodiment of tunnel establishing method provided by the invention, as shown in fig. 6, second CAPWAP tunnel can be what AC control was established.

S601, STA send CAPWAP tunnel to AC by the first WTP and establish request.

Further, STA can send CAPWAP tunnel to the first WTP and establish request, and the first WTP builds CAPWAP tunnel Vertical request is transmitted to AC.

If the CAPWAP tunnel that S602, AC receive STA transmission establishes request, established in request according to CAPWAP tunnel At least one of appearance and the maximum access capability of the first WTP determine whether the 2nd CAPWAP established between the first WTP and STA Tunnel is to then follow the steps S603；It is no, then execute S612.

For example, AC can establish whether the request condition requested is correct, can also establish according to tunnel according to tunnel Whether the format of request is correct or determines whether to permit building according to the one or more of the maximum access capability of the first WTP etc. Vertical second CAPWAP tunnel determines whether to permit establishing the second CAPWAP tunnel.The method that it is determined is in the above-described embodiments Expansion, details are not described herein.

S603, AC send the notification message for notifying the second CAPWAP tunnel to establish to the first WTP.

S604, the first WTP receive the notification message for notifying the second CAPWAP tunnel to establish.

So, the first WTP is known establishes the second CAPWAP tunnel with STA.It can be subsequent forwarding STA CAPWAP message between AC is prepared.

S605, the first WTP establish the second CAPWAP tunnel between STA, and notify the 2nd CAPWAP tunnel to STA transmission The notification message that road is established.

S606, STA receive the notification message.

It should be noted that STA can send CAPWAP message to AC by the first WTP after receiving the notice, it should Data message or control message in CAPWAP message can be generated according to the message form that above-described embodiment provides, herein no longer It repeats.

S607, AC send CAPWAP message to the first WTP.

It should be noted that AC also can receive the CAPWAP message of the first WTP transmission, alternatively, the first WTP forwarding The CAPWAP message that STA is sent, AC can also send CAPWAP message to the first WTP or be forwarded by the first WTP to STA CAPWAP message.The present embodiment is illustrated so that AC forwards CAPWAP message to STA by the first WTP as an example, but is not done with this Any restriction.

Such as, identification information is address information: if address information is effective address, AC sends CAPWAP to the first WTP and disappears Breath, so that the first WTP forwards CAPWAP message to the corresponding STA of effective address；If identification information is invalid address, AC is to the One WTP sends CAPWAP message, so that the first WTP handles CAPWAP message.

Identification information is a default marker: if presetting marker included in CAPWAP message is the first numerical value, often The corresponding STA of a first numerical value, then AC sends CAPWAP message to the first WTP, so that the first WTP is corresponding to the first numerical value STA forwards CAPWAP message；If presetting marker included in CAPWAP message is second value, second value corresponding first WTP, then AC sends CAPWAP message to the first WTP, so that the first WTP handles CAPWAP message.

S608, the first WTP receive the CAPWAP message that AC is sent.

S609, the first WTP determine whether CAPWAP message is to be sent to STA's according to CAPWAP message identification information.

For example.CAPWAP message can be control message and data message described in above-described embodiment, message Format and carrying content can be in accordance with the descriptions in above-described embodiment, and details are not described herein.

If so, then follow the steps S610, if not then the first WTP parses the CAPWAP message, and according to perhaps plan in it Slightly execute corresponding operation.

The corresponding STA of the identification information that S610, the first WTP include into CAPWAP message forwards CAPWAP message.

S611, STA receive the CAPWAP message of the first WTP forwarding.

S612, AC send tunnel to the first WTP and establish failure notification, and the first WTP sends tunnel foundation to STA and unsuccessfully leads to Know, it includes failure cause that failure notification is established in tunnel.

S613, STA receive the tunnel that the first WTP is sent and establish failure notification, are determined and are retransmitted according to failure cause CAPWAP tunnel establishes the time of request.

S402, the 2nd WTP send discovery request message.

Further, the 2nd WTP can send discovery request message with low frequency.Such as, the 2nd WTP low frequency, periodic broadcasting discovery Request message, such as beacon frame information, beacon frame information includes that CAPWAP tunnel establishes request, so that STA responds CAPWAP tunnel Road establishes request and establishes third CAPWAP tunnel.

It should be noted that S402 and S401 do not have ordinal relation.

S403, STA receive the discovery request message that the 2nd WTP is sent, and discovery request message is established comprising CAPWAP tunnel Request.

It should be noted that the CAPWAP tunnel establish request can with it is above-mentioned establish the second CAPWAP tunnel when STA send Request format or content it is identical, details are not described herein.

When S404, STA do not establish CAPWAP tunnel with the 2nd WTP based on CAPWAP tunnel foundation request is determining, according to CAPWAP tunnel establishes the determination of at least one of request content and the maximum access capability of STA and establishes third with the 2nd WTP CAPWAP tunnel.

Further, CAPWAP tunnel foundation request excites STA and determines whether to establish CAPWAP tunnel with the 2nd WTP Road, when not setting up, the step of the step of STA establishes third CAPWAP tunnel to the 2nd WTP is to above-mentioned Fig. 6 and Fig. 7, is similar, is building Before vertical third CAPWAP tunnel, STA and the 2nd WTP be can be based on 802.11 protocol communications；Third CAPWAP tunnel can Being established by the first WTP or AC control, for the first WTP, STA acts as the role of AC, but in practical application, AC STA is controlled by the first CAPWAP tunnel and the second CAPWAP tunnel, so that STA potentially acts as the role of AC.

For example, the STA of AC (establishing the first CAPWAP tunnel and the second CAPWAP tunnel with AC) has been accessed, It can determine that the 2nd WTP is entered in the radio transmission range of local terminal after receiving the discovery request message of the 2nd WTP transmission.If really Fixed 2nd WTP does not set up CAPWAP tunnel, then distributes IP address to the 2nd WTP, and responds the AC discovery request of the 2nd WTP (i.e. AC discovery request has been written into existing CAPWAP tunnel order) CAPWAP tunnel connection request, here for It was found that the response of request can be STA and be forwarded to the first WTP, is controlled by the first WTP and complete the foundation of third CAPWAP tunnel, it can also To be to be forwarded to AC by STA, is controlled by AC and complete the foundation of third CAPWAP tunnel.

Further, before forwarding finds request message, the storage and operational capability due to STA are limited, and STA can be first Decided whether to establish tunnel for the 2nd WTP according to self-ability, as STA can be true according to the 2nd WTP amount of maximum access of local terminal It is fixed whether to establish third CAPWAP tunnel.Such as, the 2nd WTP quantity of maximum access of STA is 2, and now STA do not access it is any 2nd WTP is then determined as the 2nd WTP and establishes tunnel；If present STA has accessed two the 2nd WTP, determine not to be second WTP establishes tunnel.

S405, the 2nd WTP and STA establish third CAPWAP tunnel.

S406, STA notify building for third CAPWAP tunnel to AC by the second CAPWAP tunnel and the first CAPWAP tunnel It is vertical.

S407, AC receive the logical of third CAPWAP tunnel foundation by the second CAPWAP tunnel and the first CAPWAP tunnel Know.

Further, which carries the relevant information of third CAPWAP tunnel, if the notice can be the tunnel N Request (e.g., Tunnel N info announcement request) is established, so, AC can be true by the notice Fixed, the third CAPWAP tunnel for needing to carry out wireless measurement corresponds to what which the 2nd WTP was established.

It should be noted that request is established in the tunnel above-mentioned N can newly be written CAPWAP tunnel message, tunnel can be carried Number etc., N is integer.

S408, STA send wireless measurement information request to AC by the second CAPWAP tunnel and the first CAPWAP tunnel and disappear Breath, wireless measurement information request message include the wireless measurement information of third CAPWAP tunnel.

Further, wireless measurement information request message includes that the wireless measurement information of third CAPWAP tunnel may include Resource scheduling information, occupied bandwidth rate etc. can also include above-mentioned tunnel number, in order to STA, the first WTP and AC knowledge Which the 2nd WTP is the information do not belong to.

S409, AC receive the wireless measurement information that STA is sent by the second CAPWAP tunnel and the first CAPWAP tunnel and ask Seek message.

S410, AC send radio configuration request message, nothing to STA by the first CAPWAP tunnel and the second CAPWAP tunnel Configuration information included in line configuration request message is to determine after AC carries out wireless measurement.

For example, the several typical case attached bags for the channel link metrical information that the wireless measurement of progress defines in a standard Include but be not limited to these: whether some channel has signal such as, if has radar signal etc.；The transport load situation of channel；Channel On interference signal situation；Signal strength such as time of measuring on channel etc..

S411, STA receive the radio configuration request that AC is sent by the first CAPWAP tunnel and the second CAPWAP tunnel and disappear Breath.

It should be noted that radio configuration request message can carry AC according to the information grasped, WTP2 is done Disturb the instruction that access negotiates control.AC sends radio configuration request message (such as Wireless Configuration to STA Request), so that STA forwards the messages to the 2nd WTP after receiving the radio configuration request message, so that the 2nd WTP is modified Radio configuration.

S412, STA send radio configuration request message to the 2nd WTP by third CAPWAP tunnel.

S413, the 2nd WTP configuration information according to included in radio configuration request message carry out resource distribution.

Further, the 2nd WTP receives the radio configuration request message that STA is sent by third CAPWAP tunnel, and root Channel where being modified according to configuration information included in radio configuration request message, resource scheduling information, occupied bandwidth and speed Rate etc. parameter.

So, this scene is by supporting the STA of multiple third CAPWAP tunnel management, can be easily to multiple the Three CAPWAP tunnel streams carry out fine-grained management, reach optimization Internet resources, reduce the effect of interference.

Fig. 8 is the structural schematic diagram of STA embodiment of the present invention, as shown in figure 8, the STA10 of the present embodiment may include: STA establishes in tunnel unit 101, STA receiving unit 102, STA processing unit 103 and STA transmission unit 104.

STA establishes in tunnel unit 101, for establishing the second CAPWAP tunnel in the first WTP and AC.

STA receiving unit 102, for receiving the discovery request message of the 2nd WTP transmission, discovery request message includes CAPWAP tunnel establishes request.

STA processing unit 103 does not establish CAPWAP tunnel with the 2nd WTP for establishing request determination based on CAPWAP tunnel When road, the determination of at least one of request content and the maximum access capability of STA is established according to CAPWAP tunnel and is built with the 2nd WTP Vertical third CAPWAP tunnel.

STA transmission unit 104, for notifying third to AC by the second CAPWAP tunnel and the first CAPWAP tunnel The foundation of CAPWAP tunnel, so that AC passes through the first CAPWAP tunnel, the second CAPWAP tunnel and third CAPWAP tunnel Adjust the resource distribution of the 2nd WTP, wherein the first CAPWAP tunnel original CAPWAP tunnel between the first WTP and AC.

Further, STA transmission unit 104 is also used to through the second CAPWAP tunnel and the first CAPWAP tunnel to AC Wireless measurement information request message is sent, wireless measurement information request message includes that the wireless measurement of third CAPWAP tunnel is believed Breath, so that AC carries out wireless measurement according to the wireless measurement information of third CAPWAP tunnel.

Still further, STA receiving unit 102, is also used to receive AC and passes through the first CAPWAP tunnel and the 2nd CAPWAP The radio configuration request message that tunnel is sent, configuration information included in radio configuration request message are that AC carries out wireless measurement It determines afterwards.

STA transmission unit 104 is also used to send radio configuration request message to the 2nd WTP by third CAPWAP tunnel, So that the 2nd WTP configuration information according to included in radio configuration request message carries out resource distribution.

It works it should be noted that method provided by the above embodiment can be used in this STA, details are not described herein.

STA provided in an embodiment of the present invention, STA and the first WTP establish the second CAPWAP tunnel；Receive the 2nd WTP transmission Discovery request message, discovery request message include CAPWAP tunnel establish request；Request is established based on CAPWAP tunnel to determine When not establishing CAPWAP tunnel with the 2nd WTP, established according to CAPWAP tunnel in the maximum access capability of request content and STA At least one, which is determined, establishes third CAPWAP tunnel with the 2nd WTP；By the second CAPWAP tunnel and the first CAPWAP tunnel to AC notifies the foundation of third CAPWAP tunnel, so that AC passes through the first CAPWAP tunnel, the second CAPWAP tunnel and third CAPWAP tunnel adjusts the resource distribution of the 2nd WTP, the first CAPWAP tunnel original CAPWAP tunnel between the first WTP and AC Road.So, by establishing the second CAPWAP tunnel between WTP and STA, third is established between STA and the 2nd WTP CAPWAP tunnel enables AC to control STA, and above-mentioned CAPWAP tunnel by the first CAPWAP tunnel, the second CAPWAP tunnel Road and third CAPWAP tunnel control the 2nd WTP, so that the 2nd WTP carries out resource distribution according to the control of AC, so that access net Each 2nd WTP, STA can rationally utilize wireless channel in network, thus the Internet resources of rationally control access network.

Fig. 9 is the structural schematic diagram of the 2nd WTP embodiment of the invention, as shown in figure 9, the 2nd WTP 20 of the present embodiment can To include: that unit 202 is established in WTP transmission unit 201 and the tunnel WTP.

WTP transmission unit 201, for sending discovery request message, discovery request message includes that CAPWAP tunnel foundation is asked It asks, so that STA is determined based on CAPWAP tunnel foundation request when not establishing CAPWAP tunnel with the 2nd WTP, according to CAPWAP Tunnel establishes the determination of at least one of request content and the maximum access capability of STA and establishes the 3rd CAPWAP tunnel with the 2nd WTP Road.

WTP establishes in tunnel unit 202, for establishing third CAPWAP tunnel with STA, so that AC passes through the first CAPWAP Tunnel, the second CAPWAP tunnel and third CAPWAP tunnel adjust the resource distribution of the 2nd WTP, and the first CAPWAP tunnel is the Original CAPWAP tunnel between one WTP and AC, the 2nd CAPWAP are the CAPWAP tunnel that the first WTP and STA is established.

Further, WTP transmission unit 201 can send the discovery request message with low frequency, periodic broadcasting.

It should be noted that the 2nd WTP does not need access STA in the prior art, so not needing to send discovery request Message, it is the newly-increased function of the present invention that WTP transmission unit 201, which sends discovery request message,.

Figure 10 is the structural schematic diagram of another embodiment of the 2nd WTP of the present invention, as shown in Figure 10, the second of the present embodiment On the basis of WTP apparatus structure shown in Fig. 9, further, can also include:

WTP receiving unit 203, the radio configuration request message sent for receiving STA by third CAPWAP tunnel, nothing Configuration information included in line configuration request message is to determine after AC carries out wireless measurement.

WTP processing unit 204 carries out resource for the configuration information according to included in radio configuration request message and matches It sets.

It should be noted that this 2nd WTP can be used method provided by the above embodiment and work, it is no longer superfluous herein It states.

2nd WTP provided in an embodiment of the present invention, STA and the first WTP establish the second CAPWAP tunnel；Receive the 2nd WTP The discovery request message of transmission, discovery request message include that CAPWAP tunnel establishes request；It is established and is requested based on CAPWAP tunnel When determination does not establish CAPWAP tunnel with the 2nd WTP, request content and the maximum access capability of STA are established according to CAPWAP tunnel At least one of determining establish third CAPWAP tunnel with the 2nd WTP；Pass through the second CAPWAP tunnel and the first CAPWAP tunnel Road to AC notice third CAPWAP tunnel foundation so that AC by the first CAPWAP tunnel, the second CAPWAP tunnel and Third CAPWAP tunnel adjusts the resource distribution of the 2nd WTP, and the first CAPWAP tunnel is original between the first WTP and AC CAPWAP tunnel.So, it by establishing the second CAPWAP tunnel between WTP and STA, is established between STA and the 2nd WTP Third CAPWAP tunnel enables AC to control STA by the first CAPWAP tunnel, the second CAPWAP tunnel, and above-mentioned CAPWAP tunnel and third CAPWAP tunnel control the 2nd WTP, so that the 2nd WTP carries out resource distribution according to the control of AC, make Each 2nd WTP, STA in network, which must be accessed, can rationally utilize wireless channel, thus the network money of rationally control access network Source.

Figure 11 is the structural schematic diagram of AC embodiment of the present invention, and as shown in figure 11, the AC30 of the present embodiment may include: AC Receiving unit 301 and AC processing unit 302.

AC receiving unit 301, for receiving the 3rd CAPWAP tunnel by the second CAPWAP tunnel and the first CAPWAP tunnel The notice that road is established, third CAPWAP tunnel are the CAPWAP tunnel with the 2nd WTP that site STA is established.

AC processing unit 302, for passing through the first CAPWAP tunnel, the second CAPWAP tunnel and third CAPWAP tunnel Adjust the resource distribution of the 2nd WTP, the first CAPWAP tunnel original CAPWAP tunnel between the first WTP and AC, second CAPWAP is the CAPWAP tunnel that the first WTP and STA is established.

Further, AC receiving unit 301 is also used to receive by the second CAPWAP tunnel and the first CAPWAP tunnel The wireless measurement information request message that STA is sent, wireless measurement information request message include the wireless survey of third CAPWAP tunnel Measure information.

AC processing unit 302 is also used to carry out wireless measurement according to the wireless measurement information of third CAPWAP tunnel.

Figure 12 is the structural schematic diagram of another embodiment of AC of the present invention, and as shown in figure 12, the AC of the present embodiment is in Figure 11 On the basis of shown device structure, further, can also include:

AC transmission unit 303, for sending radio configuration to STA by the first CAPWAP tunnel and the second CAPWAP tunnel Request message, configuration information included in radio configuration request message is to determine after AC carries out wireless measurement, so that STA Radio configuration request message is sent to the 2nd WTP by third CAPWAP tunnel, the 2nd WTP is according in radio configuration request message The configuration information for being included carries out resource distribution.

It works it should be noted that method provided by the above embodiment can be used in this AC, details are not described herein.

AC provided in an embodiment of the present invention, STA and the first WTP establish the second CAPWAP tunnel；Receive the 2nd WTP transmission It was found that request message, discovery request message includes that CAPWAP tunnel establishes request；Request is established based on CAPWAP tunnel to determine not When establishing CAPWAP tunnel with the 2nd WTP, established in the maximum access capability of request content and STA extremely according to CAPWAP tunnel A few determination and the 2nd WTP establish third CAPWAP tunnel；By the second CAPWAP tunnel and the first CAPWAP tunnel to AC The foundation of third CAPWAP tunnel is notified, so that AC passes through the first CAPWAP tunnel, the second CAPWAP tunnel and third CAPWAP tunnel adjusts the resource distribution of the 2nd WTP, the first CAPWAP tunnel original CAPWAP tunnel between the first WTP and AC Road.So, by establishing the second CAPWAP tunnel between WTP and STA, third is established between STA and the 2nd WTP CAPWAP tunnel enables AC to control STA, and above-mentioned CAPWAP tunnel by the first CAPWAP tunnel, the second CAPWAP tunnel Road and third CAPWAP tunnel control the 2nd WTP, so that the 2nd WTP carries out resource distribution according to the control of AC, so that access net Each 2nd WTP, STA can rationally utilize wireless channel in network, thus the Internet resources of rationally control access network.

Figure 13 is the structural schematic diagram of another STA embodiment of the present invention, as shown in figure 8, the STA 40 of the present embodiment can be with It include: STA processor 401, STA receiver 402 and STA transmitter 403.

STA processor 401, for establishing the second CAPWAP tunnel with the first WTP.

STA receiver 402, for receiving the discovery request message of the 2nd WTP transmission, discovery request message includes CAPWAP Request is established in tunnel.

STA processor 401 is also used to be established request determination based on CAPWAP tunnel and does not establish CAPWAP tunnel with the 2nd WTP When road, the determination of at least one of request content and the maximum access capability of STA is established according to CAPWAP tunnel and is built with the 2nd WTP Vertical third CAPWAP tunnel.

STA transmitter 403, for notifying the 3rd CAPWAP to AC by the second CAPWAP tunnel and the first CAPWAP tunnel The foundation in tunnel, so that AC passes through the first CAPWAP tunnel, the second CAPWAP tunnel and third CAPWAP tunnel adjustment the The resource distribution of two WTP, wherein the first CAPWAP tunnel original CAPWAP tunnel between the first WTP and AC.

Further, STA transmitter 403 is also used to send out by the second CAPWAP tunnel and the first CAPWAP tunnel to AC Wireless measurement information request message is sent, wireless measurement information request message includes the wireless measurement information of third CAPWAP tunnel, So that AC carries out wireless measurement according to the wireless measurement information of third CAPWAP tunnel.

Still further, STA receiver 402, is also used to receive AC and passes through the first CAPWAP tunnel and the 2nd CAPWAP tunnel The radio configuration request message that road is sent, configuration information included in radio configuration request message are after AC carries out wireless measurement Determining.

STA transmitter 403 is also used to send radio configuration request message to the 2nd WTP by third CAPWAP tunnel, with The 2nd WTP configuration information according to included in radio configuration request message is set to carry out resource distribution.

Figure 14 is the structural schematic diagram of another 2nd WTP embodiment of the present invention, as shown in figure 14, the second of the present embodiment WTP 50 may include: WTP transmitter 501 and WTP processor 502.

WTP transmitter 501, for sending discovery request message, discovery request message includes control wireless access point agreement CAPWAP tunnel establishes request, so that site STA is established based on CAPWAP tunnel, request is determining not to be established with the 2nd WTP When CAPWAP tunnel, according to CAPWAP tunnel establish at least one of request content and the maximum access capability of STA determine with 2nd WTP establishes third CAPWAP tunnel.

WTP processor 502, for establishing third CAPWAP tunnel with STA, so that access control point AC passes through first CAPWAP tunnel, the second CAPWAP tunnel and third CAPWAP tunnel adjust the resource distribution of the 2nd WTP, the first CAPWAP tunnel Road original CAPWAP tunnel between the first WTP and AC, the 2nd CAPWAP are the CAPWAP tunnel that the first WTP and STA is established.

Further, WTP transmitter 501 can find request message with low frequency, periodic broadcasting.

Figure 15 is the structural schematic diagram of another embodiment of the 2nd WTP of the present invention, as shown in figure 15, the second of the present embodiment WTP is on the basis of Figure 14 shown device structure, further, can also include:

WTP receiver 503, the radio configuration request message sent for receiving STA by third CAPWAP tunnel, wirelessly Configuration information included in configuration request message is to determine after AC carries out wireless measurement.

WTP processor 502 is also used to the progress of the configuration information according to included in radio configuration request message resource and matches It sets.

Figure 16 is the structural schematic diagram of another AC embodiment of the present invention, and as shown in figure 16, the AC 30 of the present embodiment can wrap It includes: AC receiver 601 and AC processor 602.

AC receiver 601, for receiving third CAPWAP tunnel by the second CAPWAP tunnel and the first CAPWAP tunnel The notice of foundation, third CAPWAP tunnel are the CAPWAP tunnel with the 2nd WTP that STA is established.

AC processor 602, for passing through the first CAPWAP tunnel, the second CAPWAP tunnel and third CAPWAP tunnel tune The resource distribution of whole 2nd WTP, the first CAPWAP tunnel original CAPWAP tunnel between the first WTP and AC, second CAPWAP is the CAPWAP tunnel that the first WTP and STA is established.

Further, AC receiver 601 is also used to receive STA by the second CAPWAP tunnel and the first CAPWAP tunnel The wireless measurement information request message of transmission, wireless measurement information request message include that the wireless measurement of third CAPWAP tunnel is believed Breath.

AC processor 602 is also used to carry out wireless measurement according to the wireless measurement information of third CAPWAP tunnel.

Figure 17 is the structural schematic diagram of another embodiment of AC of the present invention, and as shown in figure 17, the AC of the present embodiment is in Figure 16 On the basis of shown device structure, further, can also include:

AC transmitter 603 is asked for sending radio configuration to STA by the first CAPWAP tunnel and the second CAPWAP tunnel Message is sought, configuration information included in radio configuration request message is to determine after AC carries out wireless measurement, so that STA is logical It crosses third CAPWAP tunnel and sends radio configuration request message to the 2nd WTP, the 2nd WTP is according to institute in radio configuration request message The configuration information for including carries out resource distribution.

Figure 18 is the structural schematic diagram of tunnel processing method system embodiment of the present invention, which includes:

At least one STA 10, the 2nd WTP 20 and AC 30 and the first WTP 70.

In systems, STA 10 can use structure shown in the STA 10 of Fig. 8, and the 2nd WTP 20 can use Fig. 9 or figure Structure shown in 10 the 2nd WTP 20, AC 30 can use structure shown in the AC 30 of Figure 11 or Figure 12.

The system of the present embodiment may be incorporated for the technical solution for executing embodiment of the method shown in Fig. 2 to Fig. 7, realize Principle is similar with technical effect, and details are not described herein again.

Alternatively, the system includes:

At least one STA 40, the 2nd WTP 50 and AC 60 and the first WTP.

In systems, STA 40 can structure shown in the STA 10 using Figure 13, the 2nd WTP 50 can using Figure 14 or Structure shown in the 2nd WTP 20 of Figure 15, AC 60 can use structure shown in the AC 30 of Figure 16 or Figure 17.

System provided in an embodiment of the present invention, STA and the first WTP establish the second CAPWAP tunnel；Receive the 2nd WTP transmission Discovery request message, discovery request message include CAPWAP tunnel establish request；Request is established based on CAPWAP tunnel to determine When not establishing CAPWAP tunnel with the 2nd WTP, established according to CAPWAP tunnel in the maximum access capability of request content and STA At least one, which is determined, establishes third CAPWAP tunnel with the 2nd WTP；By the second CAPWAP tunnel and the first CAPWAP tunnel to AC notifies the foundation of third CAPWAP tunnel, so that AC passes through the first CAPWAP tunnel, the second CAPWAP tunnel and third CAPWAP tunnel adjusts the resource distribution of the 2nd WTP, the first CAPWAP tunnel original CAPWAP tunnel between the first WTP and AC Road.So, by establishing the second CAPWAP tunnel between WTP and STA, third is established between STA and the 2nd WTP CAPWAP tunnel enables AC to control STA, and above-mentioned CAPWAP tunnel by the first CAPWAP tunnel, the second CAPWAP tunnel Road and third CAPWAP tunnel control the 2nd WTP, so that the 2nd WTP carries out resource distribution according to the control of AC, so that access net Each 2nd WTP, STA can rationally utilize wireless channel in network, thus the Internet resources of rationally control access network.

Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or The various media that can store program code such as person's CD.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims

1. a kind of tunnel processing method characterized by comprising

The STA receives the discovery request message that the 2nd WTP is sent, and the discovery request message includes that CAPWAP tunnel foundation is asked It asks；

When the STA does not establish CAPWAP tunnel with the 2nd WTP based on CAPWAP tunnel foundation request is determining, according to The CAPWAP tunnel is established the determination of at least one of request content and the maximum access capability of STA and is built with the 2nd WTP Vertical third CAPWAP tunnel；

The STA notifies the third to access control point AC by second CAPWAP tunnel and the first CAPWAP tunnel The foundation of CAPWAP tunnel, so that the AC passes through first CAPWAP tunnel, the second CAPWAP tunnel and third CAPWAP tunnel adjusts the resource distribution of the 2nd WTP, wherein first CAPWAP tunnel is the first WTP and institute State original CAPWAP tunnel between AC.

2. the method according to claim 1, wherein it is described according to the CAPWAP tunnel establish request content and At least one of maximum access capability of STA is determining to be established after third CAPWAP tunnel with the 2nd WTP, further includes:

The STA sends wireless measurement information to the AC by second CAPWAP tunnel and first CAPWAP tunnel Request message, the wireless measurement information request message include the wireless measurement information of the third CAPWAP tunnel, so that The AC carries out wireless measurement according to the wireless measurement information of the third CAPWAP tunnel.

3. according to the method described in claim 2, it is characterized in that, the STA passes through second CAPWAP tunnel and described First CAPWAP tunnel is sent to the AC after wireless measurement information request message, further includes:

The STA receives the radio configuration that the AC is sent by first CAPWAP tunnel and second CAPWAP tunnel Request message, configuration information included in the radio configuration request message are to determine after the AC carries out the wireless measurement 's；

The STA sends the radio configuration request message to the 2nd WTP by the third CAPWAP tunnel, so that institute It states the 2nd WTP configuration information according to included in the radio configuration request message and carries out resource distribution.

4. a kind of tunnel processing method characterized by comprising

Second wireless terminal website WTP sends discovery request message, and the discovery request message includes control wireless access point association It discusses CAPWAP tunnel and establishes request, to establish request determining not with described second so that site STA is based on the CAPWAP tunnel When WTP establishes CAPWAP tunnel, established in the maximum access capability of request content and STA at least according to the CAPWAP tunnel One determination and the 2nd WTP establish third CAPWAP tunnel；

2nd WTP and the STA establish third CAPWAP tunnel, so that access control point AC passes through the first CAPWAP tunnel Road, the second CAPWAP tunnel and the third CAPWAP tunnel adjust the resource distribution of the 2nd WTP, and described first CAPWAP tunnel original CAPWAP tunnel between the first WTP and the AC, second CAPWAP tunnel are described first The CAPWAP tunnel established between WTP and the STA.

5. according to the method described in claim 4, it is characterized in that, the second wireless terminal website WTP sends discovery request message Include:

The 2nd WTP low frequency, periodic broadcasting send the discovery request message.

6. method according to claim 4 or 5, which is characterized in that the 2nd WTP and the STA establish third After CAPWAP tunnel, further includes:

2nd WTP receives the radio configuration request message that the STA is sent by the third CAPWAP tunnel, the nothing Configuration information included in line configuration request message is to determine after the AC carries out the wireless measurement；

7. a kind of tunnel processing method characterized by comprising

Access control point AC receives third by the second control wireless access point agreement CAPWAP tunnel and the first CAPWAP tunnel The notice that CAPWAP tunnel is established, the third CAPWAP tunnel are site STA foundation with the second wireless terminal website WTP's CAPWAP tunnel；

The AC passes through the first CAPWAP tunnel, the second CAPWAP tunnel and third CAPWAP tunnel adjustment described second The resource distribution of WTP, first CAPWAP tunnel original CAPWAP tunnel between the first WTP and the AC, described The CAPWAP tunnel that two CAPWAP tunnel are established between the first WTP and STA.

8. the method according to the description of claim 7 is characterized in that the access control point AC passes through the second control wireless access Point agreement CAPWAP tunnel and the first CAPWAP tunnel receive after the notice that the third CAPWAP tunnel is established, further includes:

The AC receives the wireless measurement information that the STA is sent by second CAPWAP tunnel and the first CAPWAP tunnel Request message, the wireless measurement information request message include the wireless measurement information of the third CAPWAP tunnel；

9. according to the method described in claim 8, it is characterized in that, the AC is according to the wireless survey of the third CAPWAP tunnel Amount information carries out after wireless measurement, further includes:

The AC sends radio configuration request to the STA by first CAPWAP tunnel and second CAPWAP tunnel Message, configuration information included in the radio configuration request message are to determine after the AC carries out the wireless measurement, So that the STA sends the radio configuration request message to the 2nd WTP by the third CAPWAP tunnel, it is described 2nd WTP configuration information according to included in the radio configuration request message carries out resource distribution.

10. a kind of site STA characterized by comprising

STA establishes unit in tunnel, for establishing the second control wireless access point agreement CAPWAP with the first wireless terminal website WTP Tunnel；

STA receiving unit, for receiving the discovery request message of the 2nd WTP transmission, the discovery request message includes CAPWAP Request is established in tunnel；

STA processing unit does not establish CAPWAP tunnel with the 2nd WTP for establishing request determination based on the CAPWAP tunnel When road, according to the CAPWAP tunnel establish at least one of request content and the maximum access capability of STA it is determining with it is described 2nd WTP establishes third CAPWAP tunnel；

STA transmission unit, for being notified by second CAPWAP tunnel and the first CAPWAP tunnel to access control point AC The foundation of the third CAPWAP tunnel so that the AC by first CAPWAP tunnel, the second CAPWAP tunnel with And third CAPWAP tunnel adjusts the resource distribution of the 2nd WTP, wherein first CAPWAP tunnel is described first Original CAPWAP tunnel between WTP and the AC.

11. STA according to claim 10, which is characterized in that

The STA transmission unit is also used to through second CAPWAP tunnel and first CAPWAP tunnel to the AC Wireless measurement information request message is sent, the wireless measurement information request message includes the wireless of the third CAPWAP tunnel Metrical information, so that the AC carries out wireless measurement according to the wireless measurement information of the third CAPWAP tunnel.

12. STA according to claim 11, which is characterized in that

The STA receiving unit is also used to receive the AC and passes through first CAPWAP tunnel and the 2nd CAPWAP tunnel The radio configuration request message that road is sent, configuration information included in the radio configuration request message are AC progress institute It states and determines after wireless measurement；

The STA transmission unit is also used to send the radio configuration to the 2nd WTP by the third CAPWAP tunnel Request message, so that the 2nd WTP configuration information according to included in the radio configuration request message carries out resource and matches It sets.

13. the second wireless terminal website WTP of one kind characterized by comprising

WTP transmission unit, sends discovery request message, and the discovery request message includes control wireless access point agreement CAPWAP Request is established in tunnel, so that site STA is established based on the CAPWAP tunnel, request is determining not to be established with the 2nd WTP When CAPWAP tunnel, it is true that at least one of request content and the maximum access capability of STA are established according to the CAPWAP tunnel It is fixed to establish third CAPWAP tunnel with the 2nd WTP；

WTP establishes unit in tunnel, for establishing third CAPWAP tunnel with the STA, so that access control point AC passes through the One CAPWAP tunnel, the second CAPWAP tunnel and the third CAPWAP tunnel adjust the resource distribution of the 2nd WTP, institute The first CAPWAP tunnel original CAPWAP tunnel between the first WTP and the AC is stated, second CAPWAP tunnel is institute State the CAPWAP tunnel established between the first WTP and the STA.

14. the 2nd WTP according to claim 13, which is characterized in that

The WTP transmission unit is specifically used for low frequency, periodic broadcasting sends the discovery request message.

15. the 2nd WTP described in 3 or 14 according to claim 1, which is characterized in that further include:

WTP receiving unit, the radio configuration request message sent for receiving the STA by the third CAPWAP tunnel, Configuration information included in the radio configuration request message is to determine after the AC carries out the wireless measurement；

WTP processing unit carries out resource distribution for the configuration information according to included in the radio configuration request message.

16. a kind of access control point AC characterized by comprising

AC receiving unit, for receiving the by the second control wireless access point agreement CAPWAP tunnel and the first CAPWAP tunnel Three CAPWAP tunnel establish notice, the third CAPWAP tunnel be site STA establish with the second wireless terminal website WTP CAPWAP tunnel；

AC processing unit, for passing through the first CAPWAP tunnel, the second CAPWAP tunnel and the third CAPWAP tunnel tune The resource distribution of whole 2nd WTP, first CAPWAP tunnel original CAPWAP tunnel between the first WTP and the AC Road, the CAPWAP tunnel that second CAPWAP tunnel is established between the first WTP and STA.

17. AC according to claim 16, which is characterized in that

The AC receiving unit is also used to receive the STA hair by second CAPWAP tunnel and the first CAPWAP tunnel The wireless measurement information request message sent, the wireless measurement information request message include the wireless of the third CAPWAP tunnel Metrical information；

The AC processing unit is also used to carry out wireless measurement according to the wireless measurement information of the third CAPWAP tunnel.

18. AC according to claim 17, which is characterized in that further include:

AC transmission unit, for sending nothing to the STA by first CAPWAP tunnel and second CAPWAP tunnel Line configuration request message, configuration information included in the radio configuration request message are that the AC carries out the wireless measurement It determines, is requested so that the STA sends the radio configuration to the 2nd WTP by the third CAPWAP tunnel afterwards Message, the 2nd WTP configuration information according to included in the radio configuration request message carry out resource distribution.

19. a kind of site STA characterized by comprising

STA processor, for establishing the second control wireless access point agreement CAPWAP tunnel with the first wireless terminal website WTP；

STA receiver, for receiving the discovery request message of the 2nd WTP transmission, the discovery request message includes CAPWAP tunnel Request is established in road；

STA transmitter, for notifying institute to access control point AC by second CAPWAP tunnel and the first CAPWAP tunnel State the foundation of third CAPWAP tunnel so that the AC by first CAPWAP tunnel, the second CAPWAP tunnel and Third CAPWAP tunnel adjusts the resource distribution of the 2nd WTP, wherein first CAPWAP tunnel is the first WTP Original CAPWAP tunnel between the AC.

20. STA according to claim 19, which is characterized in that

The STA transmitter is also used to send out by second CAPWAP tunnel and first CAPWAP tunnel to the AC Wireless measurement information request message is sent, the wireless measurement information request message includes the wireless survey of the third CAPWAP tunnel Information is measured, so that the AC carries out wireless measurement according to the wireless measurement information of the third CAPWAP tunnel.

21. STA according to claim 20, which is characterized in that

The STA receiver is also used to receive the AC and passes through first CAPWAP tunnel and second CAPWAP tunnel The radio configuration request message of transmission, configuration information included in the radio configuration request message are described in the AC is carried out It is determined after wireless measurement；

The STA transmitter is also used to send the radio configuration to the 2nd WTP by the third CAPWAP tunnel and ask Message is sought, so that the 2nd WTP configuration information according to included in the radio configuration request message carries out resource distribution.

22. the second wireless terminal website WTP of one kind characterized by comprising

WTP transmitter, for sending discovery request message, the discovery request message includes control wireless access point agreement CAPWAP tunnel establishes request, so that site STA is established based on the CAPWAP tunnel, request is determining not to be established with the 2nd WTP When CAPWAP tunnel, it is true that at least one of request content and the maximum access capability of STA are established according to the CAPWAP tunnel It is fixed to establish third CAPWAP tunnel with the 2nd WTP；

WTP processor, for establishing third CAPWAP tunnel with the STA, so that access control point AC passes through first CAPWAP tunnel, the second CAPWAP tunnel and the third CAPWAP tunnel adjust the resource distribution of the 2nd WTP, described First CAPWAP tunnel original CAPWAP tunnel between the first WTP and the AC, second CAPWAP tunnel is described The CAPWAP tunnel established between first WTP and the STA.

23. the 2nd WTP according to claim 22, which is characterized in that

The WTP transmitter is specifically used for low frequency, periodic broadcasting sends the discovery request message.

24. the 2nd WTP according to claim 22 or 23, which is characterized in that further include:

WTP receiver, the radio configuration request message sent for receiving the STA by the third CAPWAP tunnel, institute Stating configuration information included in radio configuration request message is to determine after the AC carries out the wireless measurement；

The WTP processor is also used to the progress of the configuration information according to included in radio configuration request message resource and matches It sets.

25. a kind of system characterized by comprising

Site STA described in any one of claim 10~12；

Second wireless terminal website WTP of any one of claim 13~15；

Access control point AC described in any one of claim 16~18.

26. a kind of system characterized by comprising

Site STA described in any one of claim 19~21；

Second wireless terminal website WTP of any one of claim 22~24；

Access control point AC described in any one of claim 16~18.