CN100352211C - Policy information renewing method and system in WLAN - Google Patents
Policy information renewing method and system in WLAN Download PDFInfo
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- CN100352211C CN100352211C CNB2005101171639A CN200510117163A CN100352211C CN 100352211 C CN100352211 C CN 100352211C CN B2005101171639 A CNB2005101171639 A CN B2005101171639A CN 200510117163 A CN200510117163 A CN 200510117163A CN 100352211 C CN100352211 C CN 100352211C
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Abstract
The present invention relates to a method and a system for updating strategy information in a wireless local area network. In the wireless local area network, the information of signed contracts of users is stored in a user database, and the information of user strategy is stored in a strategy executing network element. The method for updating strategy information of the present invention comprises the following steps: the information of the signed contract of the first user stored in the user database is updated; the user database initiates a request for updating the strategy information of the first user to the strategy executing network element, and the strategy information of the first user stored in the strategy executing network element is updated. The technical scheme of the present invention provides the method and the system for updating strategy information on the strategy executing network element in intercommunicating wireless local area networks after the information of the signed contracts is changed, and can accurately update the information of the user strategy stored in the strategy executing network element in time after the information of the signed contracts of users is changed.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method and system of WLAN (wireless local area network) updating strategic information.
Background technology
In wireless communication field, because the user is more and more higher to the requirement of wireless access rate, 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 BRANHiperlan2 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 global system for mobile communications (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 Certificate Authority in 3GPP Certificate Authority in the 3GPP accesses network and charging proxy (AAA Proxy) and the 3GPP home network and accounting server (AAA Server); 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) etc.Intercommunicating system structure chart such as Fig. 1 are shown in 2,3.Wherein, Fig. 1 is non-roaming condition intercommunicating system structure chart, and Fig. 2 is a roaming condition intercommunicating system structure chart, and Fig. 3 is another kind of roaming condition intercommunicating system structure chart.The principle of above-mentioned network configuration and concrete communication process are general technology, are not described in detail in this.
In above-mentioned network configuration, the major function that WAG has comprises two aspects: 1, the routing forwarding of packet; 2, execution is at the strategy of packet.According to existing 3GPP standard, finish WLAN access authentication and mandate, or after having finished tunnel establishment procedure, 3GPP AAA Server/Proxy need be deployed to policy information on the WAG.
Simultaneously, because the content of policy information is the influence that is subjected to user signing contract information, different CAMEL-Subscription-Information contents can cause different policy informations, therefore, after user signing contract information changes, also might change at this user's policy information.But present 3GPP standard has only been stipulated the process of subscription information update, after but the regulation CAMEL-Subscription-Information does not change, how to upgrade corresponding policy information.
As shown in Figure 4, be the schematic flow sheet that user signing contract information is revised in the prior art, mainly comprise following content:
S01, user register in 3GPP AAA Server;
User signing contract information among S02, the HSS is modified, and for example, passes through O﹠amp; The M system;
S03, HSS are by the user profile among the renewal of " user file (Subscriber the Profile) " flow process on the Wx reference point 3GPP AAA Server;
S04, if desired, WLAN insertion authority information also need be upgraded in WLAN.If according to the authorization message after upgrading, the user has had no right to insert WLAN, then initiates the flow process that the disconnection of wireless interface connects by WLAN.
In the scheme of above-mentioned prior art, if user signing contract information changes, cause policy information also to change, then the policy information of WAG last (subscriber policy that comprises other is carried out network element) also needs to upgrade, but existing flow process does not provide this update mechanism.
Summary of the invention
The invention provides a kind of when CAMEL-Subscription-Information changes, the method and system of related network entity update strategy information, if change in order to solve the user signing contract information that exists in the prior art, and the policy information on the subscriber policy execution network element does not have the problem of renewal.
The inventive method comprises:
A kind of method of WLAN (wireless local area network) updating strategic information, in the described WLAN (wireless local area network), the subscriber database stores user signing contract information, strategy execution network elements storage user's policy information may further comprise the steps:
First user signing contract information of storing in A, the updating user data storehouse;
B, customer data base are initiated the first user tactics information update request to strategy execution network elements, and update strategy is carried out first user tactics information of preserving in the network element.
Among the described step B, after also comprising described first user subscription information update of judgement, the step that whether causes described first user tactics information to change, when described first user subscription information update causes described first user tactics information to change, initiate the first user tactics information update request to strategy execution network elements.
Described customer data base is attaching position register HLR or home subscriber server HSS, and the described first user tactics information update request is initiated by attaching position register HLR or home subscriber server HSS.
Among the described step B, the described first user tactics information update request is forwarded to described strategy execution network elements by Certificate Authority and accounting server AAA Server.
Described customer data base is Certificate Authority and accounting server AAA Server, and the described first user tactics information update request is initiated by Certificate Authority and accounting server AAA Server.
Described method, described customer data base is Certificate Authority and accounting server AAA Server, when described first user is in roaming state, the described first user tactics information update request, initiate by Certificate Authority and accounting server AAA Server, be sent to strategy execution network elements through proxy authentication mandate and accounting server AAA Proxy.
Described Certificate Authority and accounting server AAA Server are third generation partner program Certificate Authority and accounting server 3GPP AAA Server.
Described method also comprises step:
After C, strategy execution network elements receive the described first user tactics information update request, return the response of the first user tactics information update request to customer data base.
Described strategy execution network elements is WLAN (wireless local area network) Access Network WLAN AN, WLAN (wireless local area network) IAD WAG, packet data gateway PDG or policy execution entity.
Described policy information upgrades, and comprises modification, increase or deletion strategy information.
Described CAMEL-Subscription-Information comprises one of following content or combination:
Whether the user has the CAMEL-Subscription-Information that WLAN (wireless local area network) WLAN inserts;
Whether the user can carry out WLAN (wireless local area network) WLAN 3GPP IP is inserted;
Whether the user can carry out WLAN (wireless local area network) WLAN Direct IP is inserted;
The APN APN that the user can insert;
The user the maximum number that can connect simultaneously;
User's relevant data of chargeing.
Described policy information comprises one of following content or combination:
Data flow direction;
Source/purpose IP address;
Agreement;
Source/destination interface.
System of the present invention comprises:
A kind of system of WLAN (wireless local area network) updating strategic information, the customer data base that comprises storing user subscription information, storage is at the strategy execution network elements of this user tactics information, described customer data base, be provided with the first user tactics information update request transmitting element, be used for when described first user signing contract information changes, sending the first user tactics information update request, upgrade first user tactics information of storing in the described strategy execution network elements to described strategy execution network elements.
Described customer data base is provided with policy information and changes judging unit, be used to judge described first user subscription information update, whether cause described first user tactics information to change, if then trigger the first user tactics information update request transmitting element and send the first user tactics information update request.
Described customer data base, be attaching position register HLR or home subscriber server HSS, the described first user tactics information update request is sent by attaching position register HLR or home subscriber server HSS, and is forwarded to described strategy execution network elements by Certificate Authority and accounting server AAA Server.
Described customer data base is Certificate Authority and accounting server AAA Server.
Described system, when described first user is in roaming state, also comprise proxy authentication mandate and accounting server AAA Proxy, the described first user tactics information update request, by Certificate Authority and accounting server AAA Server, be sent to strategy execution network elements through proxy authentication mandate and accounting server AAA Proxy.
Described strategy execution network elements is provided with user tactics information update request response unit, is used for after strategy execution network elements receives the described first user tactics information update request, returns the response of the first user tactics information update request to user data.
Described strategy execution network elements is WLAN (wireless local area network) Access Network WLAN AN, WLAN (wireless local area network) IAD WAG or packet data gateway PDG.
Described Certificate Authority and accounting server AAA Server are third generation partner program Certificate Authority and accounting server 3GPP AAA Server
Beneficial effect of the present invention is as follows:
Technical scheme of the present invention, provide in the intercommunicated wireless local area network, after CAMEL-Subscription-Information changes, policy information method for updating and system on the strategy execution network elements, can be so that after the user signing contract information change, update strategy be carried out the user tactics information of storing in the network element timely and accurately.
Description of drawings
Fig. 1 is the system configuration schematic diagram of non-roaming situation intercommunication in the prior art;
Fig. 2 is the system configuration schematic diagram of roaming condition intercommunication in the prior art;
Fig. 3 is the system configuration schematic diagram of another roaming condition intercommunication in the prior art;
Fig. 4 is the schematic flow sheet that user signing contract information is revised in the prior art;
Fig. 5 is a system configuration schematic diagram of the present invention;
Fig. 6 is a schematic flow sheet of the present invention;
Fig. 7 is the schematic flow sheet of the embodiment of the invention 1;
Fig. 8 is the schematic flow sheet of the embodiment of the invention 2;
Fig. 9 is the schematic flow sheet of the embodiment of the invention 3.
Embodiment
Below in conjunction with Figure of description the specific embodiment of the present invention is described.
As shown in Figure 5, be the system configuration schematic diagram that the present invention is directed to the WLAN (wireless local area network) updating strategic information, comprise the customer data base of storing user subscription information in this system, storage is at the strategy execution network elements of this user tactics information.
The present invention is at described customer data base, be provided with the first user tactics information update request transmitting element, be used for when described first user signing contract information changes, send the first user tactics information update request to described strategy execution network elements, upgrade first user tactics information of storing in the described strategy execution network elements.
Further, the present invention is provided with policy information at described customer data base and changes judging unit, be used to judge described first user subscription information update, whether cause described first user tactics information to change, if then trigger the first user tactics information update request transmitting element and send the first user tactics information update request.
In the said system, described customer data base, be attaching position register or home subscriber server, the described first user tactics information update request is sent by attaching position register or home subscriber server, and is forwarded to described strategy execution network elements by Certificate Authority and accounting server AAA Server.
In the said system, described customer data base also can be Certificate Authority and accounting server AAAServer.
Further this Certificate Authority and accounting server AAA Server can be set to third generation partner program Certificate Authority and accounting server 3GPP AAA Server.
In the said system, also exist first user to be in the situation of roaming, when described first user is in roaming state, also comprise proxy authentication mandate and accounting server AAA Proxy in the said system, the described first user tactics information update request, by Certificate Authority and accounting server AAA Server, be sent to strategy execution network elements through proxy authentication mandate and accounting server AAA Proxy.
Further, the present invention is provided with user tactics information update request response unit in described strategy execution network elements, be used for after strategy execution network elements receives the described first user tactics information update request, return the response of the first user tactics information update request to customer data base.
In the said system, described strategy execution network elements is the WLAN (wireless local area network) Access Network, WLAN (wireless local area network) IAD or packet data gateway.
As shown in Figure 6, be schematic flow sheet of the present invention, as seen from the figure, the present invention mainly may further comprise the steps:
First user signing contract information of storing in S1, the updating user data storehouse;
When user signing contract information changes, need the user signing contract information stored in the updating user data storehouse, described CAMEL-Subscription-Information includes but not limited to following content:
Whether the user has the CAMEL-Subscription-Information that WLAN inserts;
Whether the user can carry out WLAN 3GPP IP is inserted;
Whether the user can carry out WLAN Direct IP is inserted;
The APN that the user can insert;
The user the maximum number that can connect simultaneously;
The data that charging is relevant etc.
In the such scheme, described customer data base is attaching position register HLR or home subscriber server HSS or Certificate Authority and accounting server AAA Server, and the described first user tactics information update request can be by an above-mentioned arbitrary initiation.
Further this Certificate Authority and accounting server AAA Server can be set to third generation partner program Certificate Authority and accounting server 3GPP AA Server.
In the such scheme, described strategy execution network elements is WLAN (wireless local area network) Access Network WLAN AN, WLAN (wireless local area network) IAD WAG or packet data gateway PDG etc.
In the such scheme, when the described first user tactics information update request is initiated by attaching position register or home subscriber server, can the described first user tactics information update request be forwarded to described strategy execution network elements by Certificate Authority and accounting server AAA Server.
In the such scheme, when described first user is in roaming state, the described first user tactics information update request by Certificate Authority and accounting server AAA Server, is sent to strategy execution network elements through proxy authentication mandate and accounting server AAA Proxy.
Behind S2, described first user subscription information update of judgement, whether cause described first user tactics information to change, when described first user subscription information update causes described first user tactics information to change, initiate the first user tactics information update request to strategy execution network elements.
In step S2, may exist because behind first user subscription information update, the situation that does not cause described first user tactics information to change, therefore, after needing to judge described first user subscription information update, whether cause described first user tactics information to change, when described first user subscription information update causes described first user tactics information to change, initiate the first user tactics information update request to strategy execution network elements.
For example, when user signing contract information changes (no longer having the IP access capability), will cause that user tactics information is also corresponding to change, WAG or PDG changed into refusal IP at this user's strategy and inserted this moment; Signatory QoS of user or professional change are for another example changed into business that permissions/refusing user's use is connected etc. at WAG or PDG at this user's strategy.In these cases, just need carry out first user tactics information upgrades.
S3, customer data base are initiated the first user tactics information update request to strategy execution network elements.
Customer data base is initiated the first user tactics information update request according to judged result to strategy execution network elements, and request is updated in first user tactics information of preserving in the strategy execution network elements.
S4, update strategy are carried out first user signing contract information of preserving in the network element.
Strategy execution network elements is upgraded first user tactics information of its preservation according to the described first user tactics information update request.
In the such scheme, described policy information includes but not limited to following content:
Data flow direction;
Source/purpose IP address;
Agreement;
Source/destination interface.
In the such scheme, described policy information upgrades, and comprises modification, increase or deletion strategy information.
After S5, strategy execution network elements receive the described first user tactics information update request, return the response of the first user tactics information update request to customer data base.
After strategy execution network elements receives the described first user tactics information update request, return the response of the first user tactics information update request, inform the result that the described first user tactics information update request is carried out to customer data base.
Respectively in conjunction with different network application situations, illustrate the solution of the present invention below.
Embodiment 1:
As shown in Figure 7; embodiment 1 is a general example, and wherein, strategy execution network elements is positioned at the edge of any network that needs protection; can be gateway (for example part of WAG, PDG, GGSN or other routers), also can be special-purpose policy execution entity (for example fire compartment wall).Customer data base then is responsible for the management of user profile, this subscriber database stores user signing contract information, for example HLR, HSS, AAA Server or other various types of customer data bases.
User signing contract information in S11, the customer data base is updated, and for example passes through O﹠amp; The M system;
S12, alternatively, customer data base are according to amended CAMEL-Subscription-Information, and whether the strategy that determination strategy is carried out on the network element needs to revise, if the policy information on the strategy execution network elements needs to revise, then execution in step 3, otherwise process ends;
S13, customer data base send the subscriber policy update request to strategy execution network elements;
S14, strategy execution network elements alternatively, are returned the policy information renewal to customer data base and are replied after having upgraded subscriber policy.
Embodiment 2:
As shown in Figure 8, among the embodiment 2, customer data base is HLR/HSS, and strategy execution network elements is WAG.
User signing contract information among S21, the HLR/HSS is updated, and for example passes through O﹠amp; The M system;
S22, HLR/HSS send the authorization message update request to 3GPP AAA Server, upgrade its inner user signing contract information;
S23, alternatively, 3GPP AAA Server judge according to amended CAMEL-Subscription-Information whether the strategy on the WAG needs to revise, if the policy information on the WAG needs to revise, and execution in step S4 then, otherwise process ends;
Equally, according to network configuration, 3GPP AAA Server also can notify WLAN AN or PDG update strategy;
S24,3GPP AAA Server send the policy update request to WAG;
S25, WAG alternatively, return the policy information renewal to 3GPPAAA Server and reply after having upgraded strategy.
Embodiment 3:
As shown in Figure 9, embodiment 3 is schemes that the user is in roaming state.
User signing contract information among S31, the HLR/HSS is updated, and for example passes through O﹠amp; The M system;
S32, HLR/HSS send the authorization message update request to 3GPP AAA Server, upgrade its inner user signing contract information.3GPP AAA Server sends the subscription information update request to 3GPP AAA Proxy, notifies it to upgrade authorized user message.
S33, alternatively, 3GPP AAA Proxy judge according to amended authorization message whether the strategy on the WAG needs to revise, if the policy information on the WAG needs to revise, then execution in step 4, otherwise process ends;
Equally, according to network configuration, 3GPP AAA Proxy also can notify WLAN AN or PDG update strategy;
S34,3GPP AAA Proxy send the policy update request to WAG;
S35, WAG alternatively, return the policy information renewal to 3GPP AAA Proxy and reply after having upgraded strategy.
Technical scheme of the present invention, provide in the interworking WLAN, after CAMEL-Subscription-Information changes, policy information method for updating and system on the strategy execution network elements, can be so that after the user signing contract information change, update strategy be carried out the user tactics information of storing in the network element timely and accurately.
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 (20)
1, a kind of method of WLAN (wireless local area network) updating strategic information, in the described WLAN (wireless local area network), the subscriber database stores user signing contract information, strategy execution network elements storage user's policy information is characterized in that, may further comprise the steps:
First user signing contract information of storing in A, the updating user data storehouse;
B, customer data base are initiated the first user tactics information update request to strategy execution network elements, and update strategy is carried out first user tactics information of preserving in the network element.
2, the method for claim 1, it is characterized in that, among the described step B, after also comprising described first user subscription information update of judgement, the step that whether causes described first user tactics information to change, when described first user subscription information update causes described first user tactics information to change, initiate the first user tactics information update request to strategy execution network elements.
3, method as claimed in claim 1 or 2, it is characterized in that, described customer data base is attaching position register HLR or home subscriber server HSS, and the described first user tactics information update request is initiated by attaching position register HLR or home subscriber server HSS.
4, method as claimed in claim 3 is characterized in that, among the described step B, the described first user tactics information update request is forwarded to described strategy execution network elements by Certificate Authority and accounting server AAA Server.
5, the method for claim 1 is characterized in that, described customer data base is Certificate Authority and accounting server AAA Server, and the described first user tactics information update request is initiated by Certificate Authority and accounting server AAA Server.
6, the method for claim 1, it is characterized in that, described customer data base is Certificate Authority and accounting server AAA Server, when described first user is in roaming state, the described first user tactics information update request, initiate by Certificate Authority and accounting server AAA Server, be sent to strategy execution network elements through proxy authentication mandate and accounting server AAA Proxy.
As claim 4,5 or 6 described methods, it is characterized in that 7, described Certificate Authority and accounting server AAA Server are third generation partner program Certificate Authority and accounting server 3GPPAAA Server.
8, method as claimed in claim 1 or 2 is characterized in that, also comprises step:
After C, strategy execution network elements receive the described first user tactics information update request, return the response of the first user tactics information update request to customer data base.
9, method as claimed in claim 1 or 2 is characterized in that, described strategy execution network elements is WLAN (wireless local area network) Access Network WLAN AN, WLAN (wireless local area network) IAD WAG, packet data gateway PDG or policy execution entity.
10, method as claimed in claim 1 or 2 is characterized in that, described policy information upgrades, and comprises modification, increase or deletion strategy information.
11, method as claimed in claim 1 or 2 is characterized in that, described CAMEL-Subscription-Information comprises one of following content or combination:
Whether the user has the CAMEL-Subscription-Information that WLAN (wireless local area network) WLAN inserts;
Whether the user can carry out WLAN (wireless local area network) WLAN 3GPP IP is inserted;
Whether the user can carry out WLAN (wireless local area network) WLAN Direct IP is inserted;
The APN APN that the user can insert;
The user the maximum number that can connect simultaneously;
User's relevant data of chargeing.
12, method as claimed in claim 1 or 2 is characterized in that, described policy information comprises one of following content or combination:
Data flow direction;
Source/purpose IP address;
Agreement;
Source/destination interface.
13, a kind of system of WLAN (wireless local area network) updating strategic information, the customer data base that comprises storing user subscription information, storage is at the strategy execution network elements of this user tactics information, it is characterized in that, described customer data base, be provided with the first user tactics information update request transmitting element, be used for when described first user signing contract information changes, send the first user tactics information update request to described strategy execution network elements, upgrade first user tactics information of storing in the described strategy execution network elements.
14, system as claimed in claim 13, it is characterized in that, described customer data base is provided with policy information and changes judging unit, be used to judge described first user subscription information update, whether cause described first user tactics information to change, if then trigger the first user tactics information update request transmitting element and send the first user tactics information update request.
15, system as claimed in claim 13, it is characterized in that, described customer data base, be attaching position register HLR or home subscriber server HSS, the described first user tactics information update request is sent by attaching position register HLR or home subscriber server HSS, and is forwarded to described strategy execution network elements by Certificate Authority and accounting server AAA Server.
As claim 13 or 14 described systems, it is characterized in that 16, described customer data base is Certificate Authority and accounting server AAA Server.
17, system as claimed in claim 13, it is characterized in that, when described first user is in roaming state, also comprise proxy authentication mandate and accounting server AAA Proxy, the described first user tactics information update request, by Certificate Authority and accounting server AAA Server, be sent to strategy execution network elements through proxy authentication mandate and accounting server AAA Proxy.
18, system as claimed in claim 13, it is characterized in that, described strategy execution network elements is provided with user tactics information update request response unit, be used for after strategy execution network elements receives the described first user tactics information update request, return the response of the first user tactics information update request to customer data base.
As claim 13 or 14 described systems, it is characterized in that 19, described strategy execution network elements is WLAN (wireless local area network) Access Network WLAN AN, WLAN (wireless local area network) IAD WAG or packet data gateway PDG.
As claim 15,17 described systems, it is characterized in that 20, described Certificate Authority and accounting server AAA Server are third generation partner program Certificate Authority and accounting server 3GPPAAA Server.
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CN103379512A (en) * | 2012-04-20 | 2013-10-30 | 中兴通讯股份有限公司 | WLAN network user strategy distribution device and method |
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CN105991713B (en) * | 2015-02-12 | 2020-07-31 | 南京中兴软件有限责任公司 | Update processing method and device |
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