CN101163345A - Method of reliable non-3GPP system access 3GPP network - Google Patents
Method of reliable non-3GPP system access 3GPP network Download PDFInfo
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- CN101163345A CN101163345A CNA2007101881849A CN200710188184A CN101163345A CN 101163345 A CN101163345 A CN 101163345A CN A2007101881849 A CNA2007101881849 A CN A2007101881849A CN 200710188184 A CN200710188184 A CN 200710188184A CN 101163345 A CN101163345 A CN 101163345A
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Abstract
The invention discloses a method of accessing a credible non-3GPP system into a 3GPP network and belongs to the communication field. The method comprises the step A that an authentication and authorization accounting server AAA sends the information of a strategic implementation point of an operation connecting network CSN which is connected with the 3GPP user to a functional module of the strategic accounting regulation PCRF and the step B that the PCRF makes the strategic decision which is issued to the strategic implementation point of the CSN by a functional module of the strategy distribution PDF. The method solves the problem of issuing the PDF strategy by a credible non-3GPP system in the 3GPP operation connecting network.
Description
Technical field
The present invention relates to the communications field, relate in particular to the method for a kind of credible non-third generation partner program 3GPP (3rd Generation Partnership Project) system access 3 GPP network.
Background technology
Behind WiMAX system WiMAX (Worldwide Interoperability forMicrowave Access) user's access service ASN (access service network) network, can be connected to the application service provider by inserting the 3GPP network, the P-CSCF in the IMS system for example, as shown in Figure 1.Wherein, the 3GPP network is mainly WiMAX user functions such as authenticated/authorized/charging AAA, dynamic IP addressing distribution, local agent is provided, for the policy and charging control function of enhancement mode is provided, strategy distribution need be provided, connects policy enforcement function in the business network simultaneously.
Yet as a kind of emerging wireless access broadband technology, WiMAX is imperfect as yet aspect the whole flow process of policy and charging control.Based on present WiMAX IP-CAN conversation establishing flow process, the originating end of session is positioned at the ASN territory, policy and charging enforcement function A-PCEF (ASN-Policy andCharging Enforcement Function) is after receiving IP connection access network IP-CAN (IPConnect Access Network) conversation establishing request in the ASN, through strategy distribution functional module PDF (policydistribution function) this conversation establishing request is sent to policy charging rule functional module PCRF (Policy and Charging Rules Function), PCRF issues this strategic decision-making to each Policy Enforcement Point after making strategic decision-making.
Because session is initiated at ASN territory end, therefore PCRF/PDF perception, can't realize at present by PDF the strategic decision-making of PCRF being issued to and connect Policy Enforcement Point in the business network less than the position of the Policy Enforcement Point in the 3GPP network.
Summary of the invention
Technical problem to be solved by this invention is to propose a kind of method of reliable non-3 GPP system access 3 GPP network, thereby realize the policy distribution of PDF in connecting business network.
In order to address the above problem, the invention discloses a kind of method of reliable non-3 GPP system access 3 GPP network, this method may further comprise the steps:
The information of Policy Enforcement Point sends to policy charging rule functional module PCRF in the connection business network CSN that is connected with the reliable non-3 GPP system user that A, authentication and authorization charging server AAA will obtain;
B, after PCRF made strategic decision-making, PDF was issued to Policy Enforcement Point in the described CSN with described strategic decision-making through the strategy distribution functional module.
Among the above-mentioned steps A, described authentication and authorization charging server AAA sends to PCRF by the signatory storehouse SPR of user with the information of Policy Enforcement Point in the described CSN.
Further, represent strategy execution dot information in the described CSN by policy and charging enforcement functional module C-PCEF address information in the CSN in the said method.
Further, when reliable non-3 GPP system was the WiMAX system in the said method, bag data gateway PDN Gateway was as Policy Enforcement Point in the CSN, and this method may further comprise the steps:
A: in the described aaa server, SPR with Policy Enforcement Point PDN Gateway address in the described CSN, sends to PCRF by the Sp interface;
After b:PCRF carries out strategic decision-making, strategic decision-making is issued to PDN Gateway by PDF.
Wherein PCRF obtains the contracted user by described Sp interface and authorizes business, mandate service occupation priority, contracted user's authorization service quality scale information.
Among the present invention, PCRF has obtained the information of reliable non-3 GPP system user Policy Enforcement Point in connecting business network by SPR/AAA, and PCRF just can find smoothly and to connect the interior Policy Enforcement Point of business network like this, thus the policy distribution problem of solution PDF.
Description of drawings
Fig. 1 is WiMAX policy and charging control PCC (Policy and Charging Control) control architecture figure;
Fig. 2 adopts the technology of the present invention to realize the reliable non-3 GPP system access 3 GPP configuration diagram;
Fig. 3 is the flow chart that reliable non-3 GPP system access 3 GPP framework implementation strategy shown in Figure 2 issues.
Embodiment
Main design of the present invention is, when considering present reliable non-3 GPP system access 3 GPP network, non-3 GPP system is used per family will be by the authentication of AAA, information of Policy Enforcement Point in so AAA can know the user and be connected business network CSN, if send to PCRF by AAA with strategy execution dot information in user and the CSN this moment, PCRF just can find Policy Enforcement Point in the CSN smoothly, thereby solves the policy distribution problem of PDF.
During especially at the WiMAX system access 3 GPP network, from 3GPP TS23.402 document, two kinds of modes of selecting to connect Policy Enforcement Point PDN Gateway in the network can be arranged, one, be the user when adhering to, just its access APN tabulation as on the parameter band; Its two, be in user's CAMEL-Subscription-Information, comprise the APN that it can be visited.Described these equally all will be by the authentication of AAA, so AAA can know the corresponding relation of user and PDN Gateway, if the corresponding relation of user and PDN Gateway is sent to PCRF by AAA, PCRF just can find smoothly and connect Policy Enforcement Point in the business network like this, thereby solves the policy distribution problem of PDF.
Below in conjunction with the drawings and specific embodiments, the technical solution used in the present invention is described in further detail.
The WiMAX system inserts under the situation of 3GPP system as a kind of believable non-3GPP IP, from 3GPP TS23.402 document analysis, and the system framework when it has provided all reliable non-3 GPP system access 3 GPP networks, as shown in Figure 2.
The WiMAX system is connected to bag data gateway PDN Gateway (packet datanetwork gateway) by the S2a interface, and promptly WiMAX connects the Policy Enforcement Point in business network CSN (the connect service network) territory.The WiMAX system is connected to the signatory storehouse SPR (Subscription Profile Repository) of user/authentication and authorization charging server AAA of 3GPP again by the Ta* interface in addition.Policy and charging enforcement functional module C-PCEF address in the connection network that SPR/AAA will obtain, it is PDN Gateway position, offer PCRF by the Sp interface, PCRF sends to PDF after making strategic decision-making, by PDF with policy distribution to connecting Policy Enforcement Point PDN Gateway in the network.
Wherein the function of PDN Gateway comprises: strategy execution, the packet filtering based on each user, charging support, Lawful Interception, IP address distribution etc.
In the Sp interface attributes except increased be connected network in the address of the Policy Enforcement Point PDN Gateway corresponding C-PCEF in position, PCRF can also obtain the contracted user by this interface and authorize business, authorizes information such as service occupation priority, contracted user's authorization service quality scale.
Further, above-mentioned network architecture realizes that the process of PDF policy distribution may further comprise the steps, as shown in Figure 3:
Step 301, at least increase the address of policy and charging enforcement functional module C-PCEF in the CSN (CSN-Policy and Charging EnforcementFunction) in the Sp interface attributes between SPR/AAA and PCRF, i.e. the position of Policy Enforcement Point PDN Gateway in the CSN;
In this step, the C-PCEF address is to be carried out obtaining in the verification process at system user by aaa server.
Step 302, SPR/AAA sends to PCRF by the Sp interface with this C-PCEF address;
In this step, SPR/AAA can also send the contracted user by described Sp interface and authorize business, authorizes information such as service occupation priority, contracted user's authorization service quality scale to be sent to PCRF.
Step 303, PCRF/PDF carries out strategic decision-making;
Step 304:PCRF/PDF is issued to strategic decision-making and connects Policy Enforcement Point, i.e. PDN Gateway in the business network.
Pass through the foregoing description, PCRF has obtained the information of reliable non-3 GPP system user Policy Enforcement Point in connecting business network by SPR/AAA as can be seen, PCRF just can find Policy Enforcement Point in the CSN smoothly like this, thereby solves the policy distribution problem of PDF.
The present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the present invention, and these change and be out of shape the protection range that all should belong to the appended claim of the present invention accordingly.
Claims (5)
1. the method for a reliable non-3 GPP system access 3 GPP network is characterized in that, this method may further comprise the steps:
The information of Policy Enforcement Point sends to policy charging rule functional module PCRF in the connection business network CSN that is connected with the reliable non-3 GPP system user that A, authentication and authorization charging server AAA will obtain;
B, after PCRF made strategic decision-making, PDF was issued to Policy Enforcement Point in the described CSN with described strategic decision-making through the strategy distribution functional module.
2. the method for claim 1 is characterized in that, in the described steps A, described authentication and authorization charging server AAA sends to PCRF by the signatory storehouse SPR of user with the information of Policy Enforcement Point in the described CSN.
3. method as claimed in claim 1 or 2 is characterized in that, represents strategy execution dot information in the described CSN by policy and charging enforcement functional module C-PCEF address information in the CSN.
4. the method for claim 1 is characterized in that, when described reliable non-3 GPP system was the WiMAX system, bag data gateway PDN Gateway was as Policy Enforcement Point in the CSN, and this method may further comprise the steps:
A: in the described aaa server, SPR with Policy Enforcement Point PDN Gateway address in the described CSN, sends to PCRF by the Sp interface;
After b:PCRF carries out strategic decision-making, strategic decision-making is issued to PDN Gateway by PDF.
5. method as claimed in claim 4 is characterized in that, PCRF obtains the contracted user by described Sp interface and authorizes business, authorizes service occupation priority, contracted user's authorization service quality scale information.
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| CN2007101881849A CN101163345B (en) | 2007-11-12 | 2007-11-12 | Method of reliable non-3GPP system access to 3GPP network |
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| CN2007101881849A CN101163345B (en) | 2007-11-12 | 2007-11-12 | Method of reliable non-3GPP system access to 3GPP network |
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| CN101163345B CN101163345B (en) | 2011-04-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102098275A (en) * | 2009-12-14 | 2011-06-15 | 中兴通讯股份有限公司 | Method and device for controlling subscriber strategy |
| CN101335703B (en) * | 2008-05-30 | 2011-08-10 | 中兴通讯股份有限公司 | End-to-end QoS guaranty method |
| CN101577975B (en) * | 2008-09-19 | 2012-09-05 | 中兴通讯股份有限公司 | Method for establishing IP connection and data transmission method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101001402B (en) * | 2006-01-10 | 2010-10-06 | 华为技术有限公司 | Mobile communication system and method of using attaching network application function service |
| CN101150862B (en) * | 2007-10-23 | 2011-07-13 | 中兴通讯股份有限公司 | Policy billing method for microwave access global intercommunication system |
-
2007
- 2007-11-12 CN CN2007101881849A patent/CN101163345B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101335703B (en) * | 2008-05-30 | 2011-08-10 | 中兴通讯股份有限公司 | End-to-end QoS guaranty method |
| CN101577975B (en) * | 2008-09-19 | 2012-09-05 | 中兴通讯股份有限公司 | Method for establishing IP connection and data transmission method |
| CN102098275A (en) * | 2009-12-14 | 2011-06-15 | 中兴通讯股份有限公司 | Method and device for controlling subscriber strategy |
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| CN101163345B (en) | 2011-04-20 |
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