CN103517341A - Method, system and device for segmenting flow in wireless local area network - Google Patents
Method, system and device for segmenting flow in wireless local area network Download PDFInfo
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Abstract
The invention discloses a method for segmenting flow in wireless local area network. The method comprises the steps that an AP receives network names selected by a WLAN user terminal according to data service, and establishes the mapping relation of the network names and AC addresses according to selected network names; after the WLAN user terminal is connected into access networks, the AP sends the user data sent by the WLAN user terminal to the AC corresponding to the network names of the access networks according to the mapping relation of the network names and the AC addresses. The invention further provides a system for segmenting the flow in the wireless local area network. According to the technical scheme, the problems that data traffic burden on the AC is too large and the data traffic is roundabout in the prior art are solved.
Description
Technical field
The present invention relates to the flow cutting techniques in radio communication, relate in particular to the method, system and device of cutting apart flow in a kind of WLAN (wireless local area network).
Background technology
WLAN (wireless local area network) (WLAN, Wireless Local Area Network) is a kind of WiMAX access means that can support mobility in certain area coverage, and for WLAN user terminal access, Internet provides a kind of broadband access method.By WLAN connecting system, WLAN user terminal can be used at a high speed the various Internet business such as WWW, FTP, E-mail.
WLAN connecting system is mainly by access point (AP, Access Point) and access controller (AC, Access Controller) form, WLAN connecting system has been used for access, access control, charge information collection and service management and the control etc. of WLAN user terminal.Access point is the micro radio base station equipment in WLAN connecting system, be used for the wireless access that 802.11 series standards relate to, access point is also a kind of network bridge, as the bridge that is connected with spider lines and wireless network, any WLAN user terminal all can be linked into cable network resource by corresponding access point.
Aspect security control, access point can be controlled the access of WLAN user terminal by operator logo and medium access control (MAC, Media Access Control) address; Meanwhile, the aerial encryption function of access point support (WEP, Wired Equivalent Privacy) technology, the information security of protection WLAN user terminal.Aspect data communication, access point has been responsible for the encryption and decryption of packet mutual between self and WLAN user terminal and has been processed.
At present, the WLAN connecting system that operator disposes generally includes AP and two capital equipments of AC, AP is responsible for providing wireless signal, and AC had both been responsible for management, the configuration of a plurality of AP of subordinate, user's access authentication management, was also the person of converging through a plurality of data traffics of AP.Generally, the user's that AP is corresponding data traffic can not have the unification of distinguishing to send to the AC corresponding with this AP, and AC is deployed in the machine room that converges place conventionally, because AC is important control point and the traffic aggregation point of WLAN, and the user's that WLAN sends data traffic is larger, by causing, the data traffic of AC is larger, and after the extensive development of network, AC will be difficult to the situation of management and control.
Fig. 1 is the topological relation schematic diagram between AP and AC in connecting system in prior art, as shown in Figure 1, the data traffic of the different AP of process in the network of same region all converges to the AC concentrating in machine room, and then, WLAN user terminal is linked in business network by the data network of AC.The problem that this method can cause mainly contains 2 points:
1) data traffic is aggregated to same AC and can brings larger processing load to AC, and the disposal ability of AC is declined, thereby the bottleneck of formation processing speed;
2) if the data service of WLAN user terminal access in business network 2 corresponding to AC2, through AP, mailing to the data traffic of AC1 so need to be roundabout to business network 2 from business network 1, can cause larger network delay, affects user's business experience.
At present, exist some to solve the scheme of data traffic unloading problem, as the application number patent of invention that is 200910091448.8, a kind of wireless network deployment method and WAP (wireless access point) are disclosed, and following technical scheme is specifically disclosed: an AP sets up respectively tunnel with more than one AC and is connected, AP independently downloads and safeguards a set of AP configuration for each tunnel, for setting up corresponding BSS in each tunnel, and provides any wireless network services by BSS; When AP receives the upstream data of wireless terminal, according to the BSS ID of wireless terminal, determine forwarding tunnel, upstream data is issued to corresponding AC by described definite forwarding tunnel.This scheme can make an AP and a plurality of AC connect, and avoids a plurality of operators in the same area, to repeat to dispose AP and the network performance that causes declines; But this scheme can connect with a plurality of AC an AP, but do not solve the problem of the upper traffic aggregation of AC.In addition,, if adopt the method for load balancing to reduce the load of network intermediate equipment AC, this method can only be applicable to LAN, lacks overall deployment and allocative abilities.
Summary of the invention
In view of this, main purpose of the present invention is to provide the method, system and device of cutting apart flow in a kind of WLAN (wireless local area network), solves the problem that in prior art, the upper data traffic burden of AC is excessive and data traffic is roundabout.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of cut apart flow in WLAN (wireless local area network) method, access point AP receives the network title that WLAN user terminal is selected according to data service, and according to the network title of selecting, creates the mapping relations of network title and access controller AC address; The method also comprises:
WLAN user terminal is linked into after access network, and described AP, according to the mapping relations of network title YuAC address, by the user data of WLAN user terminal transmission, sends to the AC corresponding to network title of described access network.
In said method, described AP receives the network title that WLAN user terminal is selected according to data service, and according to the mapping relations of the network title establishment network title YuAC address of selecting is:
AP radio network title;
AP receives the network title that WLAN user terminal is selected according to data service, and the network title of selecting according to WLAN user terminal, to name server, sends inquiry request message; Name server is according to the network title in inquiry request message, in AC address corresponding to local search and return to AP;
AP is according to the mapping relations of the network title selected and the AC address creation network title YuAC address that inquires, and sets up the data tunnel between self and described AC address.
In said method, described AP radio network name is called:
In connecting system, each AP is according to pre-configured broadcast cycle, regularly send broadcast; In described broadcast, carry indication frame, in the ssid field of described indication frame, add network title.
In said method, described name server is according to the network title in inquiry request message, in AC address corresponding to local search and return to AP and be:
The corresponding relation of pre-configured network title YuAC address in name server;
Name server is received after the inquiry request message of AP transmission, according to the IP address base of the pre-configured credible AP in this locality, the IP address of described AP is verified;
While having the IP address of described AP in the IP address base of described credible AP, name server is according to the corresponding relation of the network title in inquiry request message and local network title YuAC address of preserving, search the AC address corresponding with described network title, the AC address of finding is sent to AP by query response message.
In said method, the method also comprises:
While there is no the IP address of described AP in the IP address base of described credible AP, name server refusal is described AP inquiry AC address, and sends inquiry failed message to AP.
In said method,
Described name server is integrated in domain name system DNS;
Integration mode for to add mapping table in dns server, and the list item in described mapping table is the corresponding relation of network title YuAC address.
In said method, described AP is according to the mapping relations of network title YuAC address, and by the user data of WLAN user terminal transmission, AC corresponding to network title that sends to described access network is:
The access network that AP accesses according to WLAN user terminal, in the mapping relations of the AC address of preserving and network title, the AC address corresponding to network title of searching described access network;
AP is according to the AC address found, and by the data tunnel between self and the AC that set up, the user data that described WLAN user terminal is sent sends to described AC address.
The present invention also provides a kind of cut apart flow in WLAN (wireless local area network) method, comprising:
WLAN user terminal is selected network title according to the data service of self in the network title of AP broadcast.
In said method, described WLAN user terminal selects network name to be called according to the data service of self in the network title of AP broadcast:
During WLAN user terminal search network, described WLAN user terminal receives the broadcast that each AP sends, and from described broadcast, obtains at least two network titles;
Described WLAN user terminal is according to the data service of self network title of autonomous selection in the network title of AP broadcast;
Select after network title, set up the connection between the access network corresponding with described network title.
The present invention also provides the system of cutting apart flow in a kind of WLAN (wireless local area network), comprising: WLAN user terminal, AP, AC; Wherein,
AP, the network title of selecting according to data service for receiving WLAN user terminal, and according to the mapping relations of the network title establishment network title YuAC address of selecting; Also for, according to the mapping relations of network title YuAC address, the user data that WLAN user terminal is sent, sends to the AC corresponding to network title of described access network;
WLAN user terminal, for selecting network title according to the data service of self in the network title of AP broadcast.
In said system, this system also comprises:
Name server, for preserving the corresponding relation of network title YuAC address;
Described name server, also when receiving the inquiry request message that AP sends, according to the network title in inquiry request message, in AC address corresponding to local search and return to AP.
The present invention also provides a kind of AP, comprising: mapping creating unit, data retransmission unit; Wherein,
Mapping creating unit, the network title of selecting according to data service for receiving WLAN user terminal, and according to the network title establishment network title of selecting and the mapping relations of access controller AC address;
Data retransmission unit, for WLAN user terminal, be linked into after access network, the mapping relations of the network title YuAC address creating according to mapping creating unit, by the user data of WLAN user terminal transmission, send to the AC corresponding to network title of described access network.
The present invention also provides a kind of WLAN user terminal, it is characterized in that, this WLAN user terminal, for selecting network title according to the data service of self in the network title of AP broadcast.
The method, system and device of cutting apart flow in WLAN (wireless local area network) provided by the invention, AP receives the network title that WLAN user terminal is selected according to data service, and according to the network title of selecting, creates the mapping relations of network title YuAC address; WLAN user terminal is linked into after access network, and described AP, according to the mapping relations of network title YuAC address, by the user data of WLAN user terminal transmission, sends to the AC corresponding to network title of described access network; So, the different network title of different pieces of information service selection that WLAN user terminal is self, AP according to the network title selected set up with AC between be connected, realizing an AP can connect with a plurality of AC; In the time of need to sending data service, AP mails to different AC according to different network titles by user data, and the data traffic on AC is cut apart in unloading, thereby solved the upper data traffic of AC in prior art, bears excessive problem; Meanwhile, solve the roundabout problem of data traffic, improved the efficiency of user's access.
Accompanying drawing explanation
Fig. 1 is the topological relation schematic diagram between AP and AC in connecting system in prior art;
Fig. 2 is that the present invention realizes the schematic flow sheet of cutting apart the method for flow in WLAN (wireless local area network);
Fig. 3 is the schematic flow sheet of the concrete methods of realizing of step 201 in the present invention;
Fig. 4 is the topological relation schematic diagram between AP and AC in connecting system in the present invention;
Fig. 5 is that the present invention realizes the structural representation of cutting apart the system of flow in WLAN (wireless local area network).
Embodiment
Basic thought of the present invention is: AP receives the network title that WLAN user terminal is selected according to data service, and according to the network title of selecting, creates the mapping relations of network title YuAC address; WLAN user terminal is linked into after access network, and described AP, according to the mapping relations of network title YuAC address, by the user data of WLAN user terminal transmission, sends to the AC corresponding to network title of described access network.
Below by drawings and the specific embodiments, the present invention is described in further detail again.
The invention provides a kind of cut apart flow in WLAN (wireless local area network) method, Fig. 2 is that the present invention realizes the schematic flow sheet of cutting apart the method for flow in WLAN (wireless local area network), and as shown in Figure 2, the method comprises the following steps:
Step 201, AP receives the network title that WLAN user terminal is selected according to data service, and according to the network title of selecting, creates the mapping relations of network title YuAC address.
Step 202, WLAN user terminal is linked into after access network, and AP, according to the mapping relations of network title YuAC address, by the user data of WLAN user terminal transmission, sends to the AC corresponding to network title of this access network;
Concrete, because AP preserves the corresponding relation of AC address and network title, therefore, when WLAN user terminal is linked into after access network, while sending user data to AP, AP is according to the access network of WLAN user terminal access, in the mapping relations of the AC address of preserving and network title, search the AC address corresponding to network title of access network, according to the AC address of finding, by the data tunnel between self and the AC that set up, the user data that this WLAN user terminal is sent sends to GaiAC address; So, user data on an AP can be according to the different different network titles of data network correspondence, and then according to different network titles, user data is mail to different AC, the excessive problem of burden that the user data of avoiding same AC to receive a plurality of AP transmissions causes.
Fig. 3 is the schematic flow sheet of the concrete methods of realizing of step 201 in the present invention, that AP receives the network title that WLAN user terminal is selected according to data service, and according to the specific implementation process of the mapping relations of the network title establishment network title YuAC address of selecting, as shown in Figure 3, the method comprises the following steps:
Step 301, AP radio network title;
Concrete, in WLAN connecting system, each AP is according to pre-configured broadcast cycle, regularly send broadcast, in this broadcast, carry the master data frame defining in 802.11 standards, AP adds at least two network titles for example, in master data frame, to, this master data frame can, for the indication frame (Beacon Frame) defining in IEEE802.11-2007 standard, add network title (WNAME) in the ssid field of this indication frame; Here, the network title that AP carries by broadcast is pre-configured in AP by the operator of WLAN, the operator of WLAN can configure according to different data services different network titles, for example, the network name of internet is called WNAME_INTERNET, the network name of education network is called WNAME_EDU, and the network name of net game is called WNAME_GAME.
Step 302, WLAN user terminal is selected network title according to the data service of self in the network title of AP broadcast;
Concrete, when WLAN user terminal search network, WLAN user terminal can receive the broadcast that each AP sends, and obtains at least two network titles from this broadcast the master data frame carrying; WLAN user terminal is according to the data service of self network title of autonomous selection in the network title of AP broadcast, select after network title, WLAN user terminal is set up the connection between the access network corresponding with this network title, so, the AP in connecting system just can know the network title that WLAN user terminal is selected;
For example, the data service of WLAN user terminal relates to education network, and the network name of WLAN user terminal selecting is called WNAME_EDU; The data service of WLAN user terminal relates to online game, and the network name of WLAN user terminal is called WNAME_GAME.
Step 303, AP receives the network title that WLAN user terminal is selected according to data service, and the network title of selecting according to WLAN user terminal, to name server, sends inquiry request message;
Concrete, after the network title that AP selects at acquisition WLAN user terminal, according to this network title, need to inquire about corresponding AC address from name server, therefore, AP sends inquiry request message to name server, wherein carries the network title that WLAN user terminal is selected.
Step 304, name server is according to the network title in inquiry request message, in AC address corresponding to local search and return to AP;
Concrete, Fig. 4 is the topological relation schematic diagram between AP and AC in WLAN connecting system in the present invention, as shown in Figure 4, the corresponding relation of the operator of WLAN pre-configured network title (WNAME) YuAC address (WNAME_AC_IP) in name server, name server is preserved the corresponding relation of this network title YuAC address, thereby can guarantee that WLAN user terminal is linked into after access network, according to the network title of this access network, find and access most suitable AC.For example, for network title WNAME_EDU, operator is that the AC of this network title configuration is the abundantest AC of education network interface bandwidth, and like this, WLAN user terminal will be linked into the abundantest AC of education network interface bandwidth; For network title WNAME_GAME, the AC that operator is this network title configuration is the AC of region, game base place or the AC of contiguous game base, and like this, WLAN user terminal will be linked into the AC of region, game base place or the AC of contiguous game base;
Wherein, name server can be integrated in domain name system (DNS, Domain Name System), and integration mode for to add mapping table in dns server, and the list item in this mapping table is the corresponding relation of network title YuAC address; In addition, name server is only open to believable AP, for believable AP inquiry AC address, and the AP inquiry AC address of refusal untrusted, therefore, name server need to, when AP inquires about AC address, be verified the IP address of this AP;
Name server is received after the inquiry request message of AP transmission, first, according to the IP address base of the pre-configured credible AP in this locality, IP address to this AP is verified, judge the IP address that whether has this AP in the IP address base of credible AP, if there is the IP address of this AP, be verified, name server is according to the corresponding relation of the network title in inquiry request message and local network title YuAC address of preserving, search the AC address corresponding with this network title, the AC address of finding is sent to AP by query response message; If the IP address of this AP not, authentication failed, name server refusal, for this AP inquiry AC address, sends and inquires about failed message to AP.
Step 305, AP, according to the network title selected and the AC address that inquires, creates the mapping relations of network title YuAC address, and sets up the data tunnel between self and GaiAC address;
Concrete, AP receives behind the AC address that name server returns by query response message, according to GaiAC address, set up the data tunnel WNAME_TUNNEL between self and GaiAC address, as shown in Figure 4, as long as AP receives a GeAC address from name server, can set up data tunnel with GaiAC address, after receiving a plurality of AC address, AP can from a plurality of different AC between set up data tunnel, convenient after AP user data is sent to different AC; Set up after data tunnel, the AC address that AP also need to receive in this locality establishment and the mapping relations of network title, so, WLAN user terminal is linked into after certain access network, the user data that WLAN user terminal sends, by sent to the corresponding AC of the network title address of this access network by AP, by corresponding AC, carried out the processing of user data.
The present invention also provides a kind of cut apart flow in WLAN (wireless local area network) method, and the method comprises: WLAN user terminal is selected network title according to the data service of self in the network title of AP broadcast.
Concrete, when WLAN user terminal search network, WLAN user terminal can receive the broadcast that each AP sends, and obtains at least two network titles from this broadcast the master data frame carrying; WLAN user terminal is according to the data service of self network title of autonomous selection in the network title of AP broadcast, select after network title, WLAN user terminal is set up the connection between the access network corresponding with this network title, so, the AP in connecting system just can know the network title that WLAN user terminal is selected;
For example, the data service of WLAN user terminal relates to education network, and the network name of WLAN user terminal selecting is called WNAME_EDU; The data service of WLAN user terminal relates to online game, and the network name of WLAN user terminal is called WNAME_GAME.
For realizing said method, the present invention also provides the system of cutting apart flow in a kind of WLAN (wireless local area network), Fig. 5 is that the present invention realizes the structural representation of cutting apart the system of flow in WLAN (wireless local area network), and as shown in Figure 5, this system comprises: AP 10, WLAN user terminal 20, AC 30; Wherein,
AP 10, the network title of selecting according to data service for receiving WLAN user terminal, and according to the mapping relations of the network title establishment network title YuAC address of selecting; Also for, according to the mapping relations of network title YuAC address, the user data that WLAN user terminal 20 is sent, sends to the AC 30 corresponding to network title of described access network;
WLAN user terminal 20, for selecting network title according to the data service of self in the network title of AP 10 broadcast.
This system also comprises:
Name server 40, for preserving the corresponding relation of network title YuAC address;
Described name server 40, also when receiving the inquiry request message that AP 10 sends, according to the network title in inquiry request message, in AC address corresponding to local search and return to AP 10.
Wherein, described AP 10 receives the network title that WLAN user terminal 20 is selected according to data service, and according to the mapping relations of the network title establishment network title YuAC address of selecting is: AP 10 radio network titles; AP 10 receives the network title that WLAN user terminal 20 is selected according to data service, and the network title of selecting according to WLAN user terminal 20, to name server 40, sends inquiry request message; Name server 40 is according to the network title in inquiry request message, in AC address corresponding to local search and return to AP 10; AP 10 is according to the mapping relations of the network title of selecting and the AC address creation network title YuAC address that inquires, and sets up the data tunnel between self and described AC address.
Wherein, described AP 10 is according to the mapping relations of network title YuAC address, the user data that WLAN user terminal 20 is sent, AC 30 corresponding to network title that sends to described access network is: AP 10 is according to the access network of WLAN user terminal 20 accesses, in the mapping relations of the AC address of preserving and network title, the AC address corresponding to network title of searching described access network; AP 10 is according to the AC address of finding, and by the data tunnel between self and the AC that set up, the user data that described WLAN user terminal 20 is sent sends to described AC address.
The present invention also provides a kind of AP, and as described in Figure 5, this AP comprises: mapping creating unit 101, data retransmission unit 102; Wherein,
Mapping creating unit 101, the network title of selecting according to data service for receiving WLAN user terminal 20, and according to the network title establishment network title of selecting and the mapping relations of access controller AC address;
Data retransmission unit 102, for WLAN user terminal 20, be linked into after access network, the mapping relations of the network title YuAC address creating according to mapping creating unit, by the user data of WLAN user terminal 20 transmissions, send to the AC30 corresponding to network title of described access network.
The present invention also provides a kind of WLAN user terminal, and this WLAN user terminal, for selecting network title according to the data service of self in the network title of AP broadcast.
In technical scheme provided by the invention, can configure for different data services different network titles.Because different data services is generally runed by different provincial, and municipal level operating agencies, as Beijing company disposes internet of things service platform, when not utilizing technical scheme of the present invention, the WLAN user terminal in other provinces must first be linked into after local backbone network, be routed to again the internet of things service platform that Beijing company disposes, could open or accessing internet of things business; If utilize technical scheme of the present invention, the WLAN user terminal in other provinces just can be routed to the internet of things service platform that Beijing company disposes while starting service connection, thereby has reduced the roundabout of user data, improves the efficiency of user's access service.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (13)
1. in WLAN (wireless local area network), cut apart a method for flow, it is characterized in that, access point AP receives the network title that WLAN user terminal is selected according to data service, and according to the network title of selecting, creates the mapping relations of network title and access controller AC address; The method also comprises:
WLAN user terminal is linked into after access network, and described AP, according to the mapping relations of network title YuAC address, by the user data of WLAN user terminal transmission, sends to the AC corresponding to network title of described access network.
2. method according to claim 1, is characterized in that, described AP receives the network title that WLAN user terminal is selected according to data service, and according to the mapping relations of the network title establishment network title YuAC address of selecting is:
AP radio network title;
AP receives the network title that WLAN user terminal is selected according to data service, and the network title of selecting according to WLAN user terminal, to name server, sends inquiry request message; Name server is according to the network title in inquiry request message, in AC address corresponding to local search and return to AP;
AP is according to the mapping relations of the network title selected and the AC address creation network title YuAC address that inquires, and sets up the data tunnel between self and described AC address.
3. method according to claim 2, is characterized in that, described AP radio network name is called:
In connecting system, each AP is according to pre-configured broadcast cycle, regularly send broadcast; In described broadcast, carry indication frame, in the ssid field of described indication frame, add network title.
4. method according to claim 2, is characterized in that, described name server is according to the network title in inquiry request message, in AC address corresponding to local search and return to AP and be:
The corresponding relation of pre-configured network title YuAC address in name server;
Name server is received after the inquiry request message of AP transmission, according to the IP address base of the pre-configured credible AP in this locality, the IP address of described AP is verified;
While having the IP address of described AP in the IP address base of described credible AP, name server is according to the corresponding relation of the network title in inquiry request message and local network title YuAC address of preserving, search the AC address corresponding with described network title, the AC address of finding is sent to AP by query response message.
5. method according to claim 4, is characterized in that, the method also comprises:
While there is no the IP address of described AP in the IP address base of described credible AP, name server refusal is described AP inquiry AC address, and sends inquiry failed message to AP.
6. according to the method described in claim 2,4 or 5, it is characterized in that,
Described name server is integrated in domain name system DNS;
Integration mode for to add mapping table in dns server, and the list item in described mapping table is the corresponding relation of network title YuAC address.
7. method according to claim 1, is characterized in that, described AP is according to the mapping relations of network title YuAC address, and by the user data of WLAN user terminal transmission, AC corresponding to network title that sends to described access network is:
The access network that AP accesses according to WLAN user terminal, in the mapping relations of the AC address of preserving and network title, the AC address corresponding to network title of searching described access network;
AP is according to the AC address found, and by the data tunnel between self and the AC that set up, the user data that described WLAN user terminal is sent sends to described AC address.
8. in WLAN (wireless local area network), cut apart a method for flow, it is characterized in that, the method comprises:
WLAN user terminal is selected network title according to the data service of self in the network title of AP broadcast.
9. method according to claim 8, is characterized in that, described WLAN user terminal selects network name to be called according to the data service of self in the network title of AP broadcast:
During WLAN user terminal search network, described WLAN user terminal receives the broadcast that each AP sends, and from described broadcast, obtains at least two network titles;
Described WLAN user terminal is according to the data service of self network title of autonomous selection in the network title of AP broadcast;
Select after network title, set up the connection between the access network corresponding with described network title.
10. in WLAN (wireless local area network), cut apart a system for flow, it is characterized in that, this system comprises: WLAN user terminal, AP, AC; Wherein,
AP, the network title of selecting according to data service for receiving WLAN user terminal, and according to the mapping relations of the network title establishment network title YuAC address of selecting; Also for, according to the mapping relations of network title YuAC address, the user data that WLAN user terminal is sent, sends to the AC corresponding to network title of described access network;
WLAN user terminal, for selecting network title according to the data service of self in the network title of AP broadcast.
11. systems according to claim 10, is characterized in that, this system also comprises:
Name server, for preserving the corresponding relation of network title YuAC address;
Described name server, also when receiving the inquiry request message that AP sends, according to the network title in inquiry request message, in AC address corresponding to local search and return to AP.
12. 1 kinds of AP, is characterized in that, this device comprises: mapping creating unit, data retransmission unit; Wherein,
Mapping creating unit, the network title of selecting according to data service for receiving WLAN user terminal, and according to the network title establishment network title of selecting and the mapping relations of access controller AC address;
Data retransmission unit, for WLAN user terminal, be linked into after access network, the mapping relations of the network title YuAC address creating according to mapping creating unit, by the user data of WLAN user terminal transmission, send to the AC corresponding to network title of described access network.
13. 1 kinds of WLAN user terminals, is characterized in that, this WLAN user terminal, for selecting network title according to the data service of self in the network title of AP broadcast.
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| CN107948002A (en) * | 2017-12-29 | 2018-04-20 | 杭州迪普科技股份有限公司 | AP connection control methods and device |
| CN108712344A (en) * | 2018-03-22 | 2018-10-26 | 新华三信息安全技术有限公司 | A kind of message forwarding method and the network equipment |
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