CN100508506C - Radio local network connecting gateway strategy renewing new method in radio local network - Google Patents
Radio local network connecting gateway strategy renewing new method in radio local network Download PDFInfo
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- CN100508506C CN100508506C CNB2005100680256A CN200510068025A CN100508506C CN 100508506 C CN100508506 C CN 100508506C CN B2005100680256 A CNB2005100680256 A CN B2005100680256A CN 200510068025 A CN200510068025 A CN 200510068025A CN 100508506 C CN100508506 C CN 100508506C
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Abstract
The present invention discloses wireless local area networks accessing gateway WAG strategy allocation and updating method in wireless local area networks WLAN. It contains A, WLAN user originating accessing authenticating to AAA server, and transmitting correlation WLAN net element labeling to AAA server; B, WLAN access network transmitting correlation WAG information to AAA server; C, AAA server according to obtained strategy information allocating strategy to relevant WAG. Said invented can in time update WAG strategy, or when WAG is not allocated strategy, WAG can judge and obtain strategy.
Description
Technical field
The present invention relates to the communications field, relate in particular to WLAN (wireless local area network) IAD (WAG) policy deployment and update method in a kind of wireless lan (wlan).
Background technology
Along with development of Communication Technique, the user is more and more higher to the requirement of wireless access rate, and WLAN (wireless local area network) (WLAN, Wireless Local Area Network) is arisen at the historic moment, and it can provide wireless data access at a high speed in more among a small circle.WLAN (wireless local area network) comprises multiple different technologies, a widely used technical standard is IEEE 802.11b at present, it adopts the 2.4GHz frequency range, the maximum data transmission rate can reach 11Mbps, use the IEEE 802.11g and bluetooth (Bluetooth) technology in addition of this frequency range, wherein, 802.11g the maximum data transmission rate can reach 54Mbps.Other new technology such as IEEE 802.11a and ETSI BRAN Hiperlan2 use the 5GHz frequency range, and maximum transmission rate also can reach 54Mbps.
Although multiple different wireless access technology is arranged, most of WLAN is used for transmitting internet agreement (IP) packet data package.For a Wireless IP network, its concrete WLAN access technology that adopts generally is transparent for the IP on upper strata.Its basic structure all is to utilize access point (AP) to finish the wireless access of user terminal, connects to form the IP transmission network by network control and connection device.
Rise and development along with the WLAN technology, WLAN and various wireless mobile communication network, such as: the intercommunication of GSM, code division multiple access (CDMA) system, Wideband Code Division Multiple Access (WCDMA) (WCDMA) system, time division duplex-S-CDMA (TD-SCDMA) system, CDMA2000 system is just becoming the emphasis of current research.In third generation partner program (3GPP) standardization body, user terminal can link to each other with internet (Internet), Intranet (Intranet) by the access network of WLAN, can also be connected with the home network of 3GPP system or the accesses network of 3GPP system via the WLAN access network, specifically be exactly, when the WLAN user terminal inserts in this locality, link to each other with the home network of 3GPP via the WLAN access network; When roaming, link to each other with the accesses network of 3GPP via the WLAN access network, part entity in the 3GPP accesses network respectively with the 3GPP home network in corresponding entity interconnection, such as 3GPP authentication and authorization charging (AAA) agency in the 3GPP accesses network and 3GPP authentication and authorization charging (AAA) server in the 3GPP home network; WLAN (wireless local area network) IAD in the 3GPP accesses network (WLAN Access Gateway, WAG) with the 3GPP home network in packet data gateway (Packet Data Gateway, PDG) or the like.
Intercommunicating system structure chart such as Fig. 1 are shown in 2,3.Fig. 1 is non-roaming condition intercommunicating system structure, and Fig. 2 is the scheme of roaming condition intercommunicating system structure, and Fig. 3 is another scheme of roaming condition intercommunicating system structure.The major function that WLAN (wireless local area network) IAD (WAG) has among the figure comprises two aspects: 1, the routing forwarding of packet; 2, execution is at the strategy of packet.The present invention launches at the 2nd function.According to existing 3GPP relevant programme, finish WLAN access authentication and mandate, or after having finished tunnel establishment procedure, 3GPP AAA Server/Proxy need be with policy deployment to WAG, but, in the present technical specification, only proposed to want deployment strategy to WAG, but how do not have to solve the problem of policy deployment to the WAG, i.e. 3GPP AAA Server/Proxy and do not know will to which WAG deployment strategy.
Summary of the invention
The invention provides WLAN (wireless local area network) IAD (WAG) policy deployment and method for updating in a kind of wireless lan (wlan), in order to solve exist in the prior art in WLAN terminal access procedure, can't clearly find the WAG that is associated with the WLAN Access Network to go up the problem that loads strategy.The present invention adopts following technical scheme for this reason:
WLAN (wireless local area network) IAD update method in a kind of WLAN (wireless local area network) may further comprise the steps:
A, WLAN (wireless local area network) WLAN user initiate the access authentication flow process to the authentication and authorization charging aaa server, and the WLAN network element ID of will being correlated with is sent to aaa server;
The relevant information of the WLAN (wireless local area network) IAD WAG that B, WLAN access network will link with self sends to aaa server;
C, aaa server are according to the part or all of WAG deployment strategy of policy information in the described WAG that links with self of obtaining.
In the described steps A, described WLAN network element ID comprises one of following content or combination:
WLAN user ID, WLAN access network sign, WAG sign.
Described WLAN user ID comprises one of following content or combination:
The network insertion identifier (Network Access Identifier, NAI);
The international mobile subscriber identifier (International Mobile Subscriber Identifier, IMSI);
Travelling carriage comprehensive service digital net number (MSISDN);
Session initiation protocol uniform resource identifier (SIP URI).
Described wlan access network sign comprises one of following content or combination:
The services set identifier (Service Set ID, SSID);
RADIUS Operator-Name attribute;
The self-defining WLAN sign of operator.
Among the described step B, the relevant information of the described WLAN (wireless local area network) IAD WAG that links with self obtains in the following way:
When the WLAN access network was disposed, the WAG information configuration that will link with it was in the WLAN access network.
Among the described step B, the relevant information of the described WLAN (wireless local area network) IAD WAG that links with self obtains in the following way:
In service at WLAN, the WLAN access network obtains the information of the WAG that links with it dynamically.
Described method, the information of the WAG that discovery mechanism acquisition of employing node and WLAN access network link.
Described method, the existence of the regular or irregular broadcasting oneself of WAG.
Described method, if WLAN user is in roaming state, then described aaa server is for acting on behalf of aaa server.
The invention provides WAG policy deployment and method for updating, make in WLAN access authentication and licensing process, or in tunnel establishment procedure, 3GPP AAA Server/Proxy and other relevant entities can be found the current relevant WAG with the user, and then policy update is deployed on the corresponding WAG.
Description of drawings
Fig. 1 is the WLAN network of relation result schematic diagram under the non-roaming situation in the prior art;
Fig. 2 is the WLAN network of relation result schematic diagram under the roaming condition in the prior art;
Fig. 3 is the another kind of WLAN network of relation result schematic diagram under the non-roaming situation in the prior art;
Fig. 4 is the present invention program's a schematic flow sheet;
Fig. 5 is the schematic flow sheet of the present invention program's embodiment 1;
Fig. 6 is the schematic flow sheet of the present invention program's embodiment 2.
Embodiment
Below in conjunction with Figure of description the specific embodiment of the present invention is described.
As shown in Figure 4, be the present invention program's schematic flow sheet, the present invention program is reported the relevant information of coupled WAG by WLAN AN to aaa server, by aaa server when needs carry out policy deployment or renewal, to the WAG deployment strategy, or the strategy on the renewal WAG.As can be seen from Fig. 4, the present invention program may further comprise the steps:
S1, WLAN UE initiate the access authentication flow process to aaa server, and the WLAN network element ID of will being correlated with is sent to aaa server;
Carry out WLAN access authentication licensing process between WLAN UE, WLAN AN, Certificate Authority and accounting server, the HSS/HLR.
In WLAN access authentication licensing process, the WLAN user ID, the sign of WLAN AN and the sign of accesses network all can send to aaa server, if desired, act on behalf of aaa server and also can store these information.
The information of S2, the WAG that links with this WLANAN sends to aaa server by WLAN AN, if desired, acts on behalf of aaa server and also can store these information.
The WLAN user ID includes but not limited to following content:
The network insertion identifier (Network Access Identifier, NAI);
The international mobile subscriber identifier (International Mobile Subscriber Identifier, IMSI);
Travelling carriage ISDN(Integrated Service Digital Network) number (MSISDN);
Session initiation protocol uniform resource identifier (SIP URI);
The combination in any of above identifier.
The sign of WLAN includes but not limited to following content:
The services set identifier (Service Set ID, SSID);
RADIUS Operator-Name attribute;
The self-defining WLAN sign of operator;
The combination in any of above identifier.
In this programme, WLAN AN obtains the information of the WAG link with it, can be in the following way:
Static configuration: when WLAN AN disposed, the information of the WAG that links with it just was configured among the WLAN AN;
Dynamically obtain: in the network operation, WLAN AN obtains the information of the WAG that links with it dynamically, for example can adopt the node discovery mechanism of Diameter, existence of the regular or irregular broadcasting oneself of WAG or the like.
S3, aaa server are in needs, to corresponding WAG deployment strategy information.
Concrete, step S3 also comprises following content:
Under the non-roaming situation, aaa server does further to judge, according to the configuration of network design, operation and operator, and all or part WAG deployment strategy information that provides to WLAN AN;
Under the roaming condition, aaa server to WAG deployment strategy information by dual mode: 1, the policy information that will need to dispose sends to and acts on behalf of aaa server, do further to judge by acting on behalf of aaa server, according to the configuration of network design, ruuning situation and operator, all or part WAG deployment strategy information that provides to WLAN AN; 2, will need the policy information disposed, with the WAG information that needs deployment strategy information, and other relevant user profile and WLAN information are all given and are acted on behalf of aaa server, directly be deployed to corresponding WAG and go up (act on behalf of aaa server and also can do further judgement) by acting on behalf of aaa server only to a part of WAG deployment strategy information wherein.
As shown in Figure 5, be the schematic flow sheet of the present invention program's a embodiment, as seen from the figure, embodiment may further comprise the steps:
Carry out WLAN access authentication licensing process between S11, WLAN UE, WLAN AN, aaa server, the HSS/HLR.In WLAN access authentication licensing process, the WLAN user ID, the sign of WLAN AN and the sign of VPLMN all can send to aaa server, and if desired, the AAA agency also can store these information.In this step and the information of the WAG that links of this WLAN AN send to aaa server by WLAN AN, if desired, act on behalf of aaa server and also can store these information.
S12, alternatively, the aaa server implementation strategy is disposed and is judged, which the WAG deployment strategy of decision in the WAG that receives from step S11.
S13, aaa server are to corresponding WAG deployment strategy.Under roaming condition, also need by acting on behalf of aaa server.
As shown in Figure 6, be the schematic flow sheet of another embodiment of the present invention program, as seen from the figure, this embodiment may further comprise the steps:
Carry out WLAN access authentication licensing process between S21, WLAN UE, WLAN AN, aaa server, the HSS/HLR.In WLAN access authentication licensing process, the WLAN user ID, the sign of WLAN AN and the sign of VPLMN all can send to aaa server, and if desired, the AAA agency also can store these information.In this step and the information of the WAG that links of this WLAN AN send to aaa server by WLAN AN, if desired, act on behalf of aaa server and also can store these information.
S22, alternatively, the aaa server implementation strategy is disposed and is judged, which the WAG deployment strategy of decision in the WAG that receives from step S21.
S23, PDG provide policy information to aaa server, please be deployed on the corresponding WAG by aaa server.
S24, alternatively, the aaa server implementation strategy is disposed and is judged, which the WAG deployment strategy of decision in the WAG that receives from step S21.
S25, aaa server are to corresponding WAG deployment strategy.Under roaming condition, also need by acting on behalf of aaa server.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (9)
1, WLAN (wireless local area network) IAD update method in a kind of WLAN (wireless local area network) is characterized in that may further comprise the steps:
A, WLAN (wireless local area network) WLAN user initiate the access authentication flow process to the authentication and authorization charging aaa server, and the WLAN network element ID of will being correlated with is sent to aaa server;
The relevant information of the WLAN (wireless local area network) IAD WAG that B, WLAN access network will link with self sends to aaa server;
C, aaa server are according to the part or all of WAG deployment strategy of policy information in the described WAG that links with self of obtaining.
2, the method for claim 1 is characterized in that in the described steps A, and described WLAN network element ID comprises one of following content or combination:
WLAN user ID, WLAN access network sign, WAG sign.
3, method as claimed in claim 2 is characterized in that, described WLAN user ID comprises one of following content or combination:
The network insertion identifier (Network Access Identifier, NAI);
The international mobile subscriber identifier (International Mobile Subscriber Identifier, IMSI);
Travelling carriage comprehensive service digital net number (MSISDN);
Session initiation protocol uniform resource identifier (SIP URI).
4, method as claimed in claim 2 is characterized in that described wlan access network sign comprises one of following content or combination:
The services set identifier (Service Set ID, SSID);
RADIUS Operator-Name attribute;
The self-defining WLAN sign of operator.
5, the method for claim 1 is characterized in that among the described step B, and the relevant information of the described WLAN (wireless local area network) IAD WAG that links with self obtains in the following way:
When the WLAN access network was disposed, the WAG relevant information that will link with it was configured in the WLAN access network.
6, the method for claim 1 is characterized in that among the described step B, and the relevant information of the described WLAN (wireless local area network) IAD WAG that links with self obtains in the following way:
In service at WLAN, the WLAN access network obtains the information of the WAG that links with it dynamically.
7, method as claimed in claim 6 is characterized in that, the information that described WLAN access network obtains the WAG that links with it dynamically comprises: the WLAN access network adopts the node discovery mechanism to obtain the information of the WAG that links with it.
8, method as claimed in claim 6 is characterized in that, the information that described WLAN access network obtains the WAG that links with it dynamically comprises: the existence of the regular or irregular broadcasting oneself of WAG.
9, the method for claim 1 is characterized in that if WLAN user is in roaming state then described aaa server is for acting on behalf of aaa server.
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| CN101212397B (en) * | 2006-12-26 | 2012-05-30 | 华为技术有限公司 | Method, system, and network device for determining local mobile anchor point |
| WO2008092358A1 (en) * | 2007-01-29 | 2008-08-07 | Huawei Technologies Co., Ltd. | A strategy performing method, system and network element |
| CN102843683B (en) * | 2012-08-21 | 2015-04-22 | 北京星网锐捷网络技术有限公司 | Wireless local area network (WLAN) access method, WLAN access device and WLAN access system |
| CN102932913B (en) * | 2012-10-24 | 2018-10-26 | 南京中兴新软件有限责任公司 | Obtain method, server, gateway and the system of MAB terminal access positions |
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