CN103686654B - PCC session associations method and PCEF units and PA units - Google Patents
PCC session associations method and PCEF units and PA units Download PDFInfo
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- CN103686654B CN103686654B CN201210325794.XA CN201210325794A CN103686654B CN 103686654 B CN103686654 B CN 103686654B CN 201210325794 A CN201210325794 A CN 201210325794A CN 103686654 B CN103686654 B CN 103686654B
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Abstract
This application provides a kind of PCC session associations method, and provide a kind of PCEF units and PA units.After the Operational Visit for including user's mark is received positioned at the PCEF of user side and is asked, user's mark during PCEF is asked based on Operational Visit is addressed in multiple PCRF and the corresponding PCRF of user mark, and user mark is sent to the PA positioned at business side, so that PA, which is based on user mark, is addressed to PCRF corresponding to user's mark, i.e. PCRF and PA are addressed to one PCRF.
Description
Technical field
The application is related in more PCRF（Policy and Charging Rules Function, strategy and charging regulation
Function）PCC under deployment system（Policy control and charging）Session association method, and PCEF（(Policy And
Charging Enforcement Function；Strategy and charge execution function）Unit and PA（Policy Agent, tactful generation
Reason）Unit.
Background technology
In order to provide the user with the service of differentiation, PCC frameworks, PCC main definitions policy control are introduced in a network
With the charging control function based on stream, have more using flow, position/time, access style etc. based on business, user, accumulation
The management and control ability and end-to-end QoS of individual dimension（Priority is set）, stream control, gate and the management and control means such as differentiated charging.
Primary interface in PCC has Rx, Gx.Wherein, Rx is policy agent（PA）Reference point between PCRF, for passing
The business and session information (such as IP address) from PA to PCRF are sent, PCRF carries out strategic decision-making according to information such as business.Gx
It is the reference point between PCEF and PCRF, passes through the interface, it is possible to achieve：The foundation and maintenance of IP-CAN session connections；From
PCEF initiates PCC decision request to PCRF；And the function such as PCC behaviors on PCRF dynamic controls PCEF.Session establishment is asked
When, PCEF includes the information such as private network IP, IMSI, MSISDN to the information that PCRF is transmitted, and these information can be used as user to identify.
In PCC frameworks, user, which reaches the standard grade, Gx sessions is established between PCEF and PCRF, when user's access service, P-
CSCF is as establishing Rx sessions and business information is transferred into PCRF between PA and PCRF.The Gx sessions of only same user and
For Rx session associations on same PCRF, the PCRF could produce the management and control strategy suitable for the user, and otherwise PCRF can not be comprehensive
User profile, signing information, business information generation strategy are closed, PCC management and control flow can not be completed.
Due to PCRF signaling processing abilities and capacity limit, the more set PCRF of province's deployment scene be present in existing network, this
Sample may cause the Gx sessions of user to be associated in from Rx sessions on different PCRF, cause to be used according to business information
Family is generated strategy, so as to reach the purpose of contract network and business.Therefore, it is necessary to have a kind of method ensure in Gx interfaces and
On Rx interface, can correct addressing come to identical PCRF for user service, the PCC sessions solved under more PCRF deployed environments are closed
Connection problem.
The key for solving the problems, such as above-mentioned PCC session associations is on Gx interfaces and Rx interface, to cause GGSN and P-
CSCF can find same PCRF by effective addressing mechanism.Addressing system can substantially be divided into two kinds at present：A kind of base
In user code number（IMSI、MSISDN）, one kind is based on IP address, but both of which has some problems.
In 3GPP specification, it is desirable to using DRA（Diameter route agent equipment）Equipment completes addressing function, in Gx interfaces
With on Rx interface by with a pair of DRA equipment, according to the information such as IP address, IMSI, MSISDN, realizing same user's
PCC session associations.In addition, the mode of terminal report of user private network IP address, it is impossible to solve the repetition of existing network user private network IP address
The problem of.
The content of the invention
The purpose of the application be to provide it is a kind of at least can partly improve it is above-mentioned in the prior art the defects of PCC sessions close
Linked method, and provide a kind of PCEF units and PA units.
The one side of the application provides a kind of PCC session association methods under more PCRF deployment systems, including：
1）Operational Visit request is received positioned at the PCEF of user side, the Operational Visit request includes user's mark；
2）User's mark during the PCEF is asked based on the Operational Visit is addressed in multiple PCRF and the user
PCRF corresponding to mark；And
3）User mark is sent to the PA positioned at business side by the PCEF, so that the PA is based on the use
Family mark is addressed to the PCRF corresponding to user's mark.
Further aspect of the application provides a kind of PCEF, including：
Parsing module, the Operational Visit request from user terminal is received, and go out user from the Operational Visit request analysis
Mark；
Determining module is route, determines to identify with the user in multiple PCRF from the static routing list being pre-configured with
Corresponding PCRF；And
Conversation module, Gx sessions are established between the PCEF and the corresponding PCRF based on Gx interfaces, and by described in
User's mark is sent to PA positioned at business side so that the PA be based on user mark be addressed to it is described corresponding to
PCRF。
In addition, above-mentioned PCEF may also include：Memory module, the static routing list that is pre-configured with described in user's storage.
According to further aspect of the application, a kind of PA is additionally provided, it may include：
Parsing module, session message is received from user side, and user's mark is obtained from the session message；
Determining module is route, determines to identify with the user in multiple PCRF from the static routing list being pre-configured with
Corresponding PCRF；And
Modular converter, user mark is converted to the field for meeting Rx message interfaces, so as to be addressed by Rx sessions
To the PCRF corresponding with user mark.
Brief description of the drawings
Fig. 1 shows the schematic diagram of more PCRF deployment systems according to one embodiment of the application.
Fig. 2 shows the PCC session association methods under more PCRF deployment systems according to one embodiment of the application
Flow chart.
Fig. 3 shows the schematic diagram of more PCRF deployment systems according to the application another embodiment.
Fig. 4 shows the PCEF units according to one embodiment of the application.
Fig. 5 shows the PA units according to one embodiment of the application.
Embodiment
In order to more fully understand the application, refer to the attached drawing will make more detailed description to the various aspects of the application.Can
To understand, the drawings and detailed description are the description to the application preferred embodiment, rather than limit this in any way
The scope of application.
Fig. 1 shows more PCRF deployment systems 1000 according to a kind of embodiment of the application.As shown in figure 1, more PCRF
Deployment system 1000 includes multiple PCRF100-1 ... 100-n（N is the integer more than or equal to 2）, positioned at the PCEF units of user side
200 and the PA units 300 positioned at user side.PCEF200 is usually located at gateway, in case of gprs positioned at GGSN（Gateway
GPRS Support Node；Webmaster GPRS Support Node）, in the case of wlan positioned at PDG（Packet Data
Gateway；Packet data gateway）.On the one hand, PCEF200 receives the Operational Visit request for including user's mark from user terminal, and
A PCRF corresponding with user's mark is addressed in multiple PCRF100-1 ... 100-n based on user's mark.On the other hand,
User's mark is sent to the PA300 positioned at business side by PCEF200, is addressed to so that PA300 is based on user's mark with being somebody's turn to do
PCRF corresponding to user's mark, i.e. PCEF200 and PA300 are addressed to one PCRF.With reference to shown in Fig. 2 in more PCRF portions
PCC session associations method under administration's system further illustrates the operation principle of said system 1000.
Fig. 2 shows a kind of PCC session association sides under more PCRF deployment systems of embodiment according to the application
Method 2000.In step S210, Operational Visit request is received positioned at the PCEF of user side, the Operational Visit request includes user
Mark.User's mark can be, for example, the IMSI or MSISDN of user.Operational Visit request may be, for example, that IMS classes Operational Visit please
Ask or non-IMS classes Operational Visit is asked.
After PCEF200 receives above-mentioned Operational Visit request, on the one hand in step S220, in being asked based on Operational Visit
User mark be addressed in multiple PCRF and the corresponding PCRF of user mark.For example, PCEF200 can be from being pre-configured with
Determined in static routing list in multiple PCRF with the corresponding PCRF of user's mark.It should be understood that in PCC frameworks, user
Gx sessions can be established between PCEF and PCRF by reaching the standard grade.Therefore, determined in PCEF200 from the static routing list being pre-configured with
Go out in multiple PCRF with after the corresponding PCRF of user mark, PCEF200 can be addressed to the corresponding PCRF by Gx sessions.
On the other hand, user's mark is sent to the PA300 positioned at business side by PCEF200 in step S230.Specifically,
For PCEF200 by application layer Signalling exchange, user's mark is sent to PA300 by the connection between PCEF200 and PA300.
When Operational Visit request is asked for non-IMS classes Operational Visit, user's mark is inserted into HTTP message by conversation module 23, and
The PA300 will be sent to inserted with the HTTP message that user identifies.PA300 can be based on user's mark and be addressed to and user mark
PCRF corresponding to knowledge.That is, PCEF200 and PA300 are addressed to one PCRF.In one embodiment, PA300 can match somebody with somebody from advance
The static routing list put determine with the user corresponding PCRF of mark, and the corresponding PCRF is addressed to by Rx sessions.
User's mark and corresponding PCRF can be accordingly stored in the static routing list being pre-configured with.In addition, the static state being pre-configured with
Route list individually can be for example configured in above-mentioned PCEF200 and PA300.
The private network that different PCEF in existing network distribute to user can be solved according to the above-mentioned steps S210-230 schemes limited
IP address has the problem of overlapping, and the problem may cause on Rx interface, and same UE IP address corresponds to multiple different PCRF,
Rx interface PCEF addressing can not be completed.
It can also be set in more PCRF deployment systems 1000 ' according to another embodiment of the application including a pair of DRA
It is standby：First DRA equipment 400-1 and the 2nd DRA equipment 400-2.In addition, for exemplary purposes, two are also show in figure
PCEF200-1 and 200-2, and two PRCF100-1 and 100-2.It should be understood that the present invention is not restricted to this.
Under the scene shown in Fig. 3, in step S220, the user is identified and sent by PCEF200-1/PCEF 200-2
To the first DRA equipment the 400-1/ the two DRA equipment 400-2, so that the DRA equipment of the first DRA equipment 400-1/ the two
400-2 from the static routing list being pre-configured with determine in multiple PCRF with the corresponding PCRF100-1/ of user mark
100-2, to cause PCEF to be addressed to the PCRF determined by Gx sessions.Then in step S230, PCEF200-1/
User's mark is sent to PA300 by PCEF 200-2, and user's mark is then sent to and the 2nd DRA equipment 400-2/ the by PA300
One DRA equipment 400-1, so that the 2nd the 400-2/ the one DRA equipment 400-1 of DRA equipment is from the static routing being pre-configured with
The PCRF corresponding with user mark is determined in list, to cause PA300 to be addressed to what this was determined by Rx sessions
PCRF.In one embodiment, the static routing list being pre-configured with can individually be configured at the first DRA equipment 400-1
With corresponding 2nd DRA equipment 400-2.It is not by IP address because the program is the statically-addressed by code number
Dynamic addressing, therefore the problem of a pair of DRA equipment can be avoided to need synchronous dynamic information.
Finally in step S240, that is determined identifies above-mentioned Rx with the user corresponding PCRF of mark according to user
Session and Gx session associations, so that with the corresponding PCRF of user's mark to PCEF200 distributing policies, and notify PCEF200
The strategy of the user is performed.
Specifically describe the PCEF200 and PA300 according to one embodiment of the application respectively referring to Figure 4 and 5.
As shown in figure 4, PCEF200 includes parsing module 21, route determining module 22 and conversation module 23.Specifically, solve
Analysis module 21 is configured as receiving Operational Visit request from user terminal, and parses user's mark from business access request.Route
Determining module 22 determined from the static routing list being pre-configured with multiple PCRF with the corresponding PCRF of user's mark.One
In individual embodiment, PCEF200 may also include memory module（It is not shown）For storing static routing list.It should be understood that deposit
Storage static routing list can also be stored in any other storage device that PCEF200 can address access.Conversation module 23
On the one hand Gx sessions are established between the PCEF and the corresponding PCRF based on Gx interfaces, and on the other hand then marked user
Know the PA300 being sent to positioned at business side, be addressed to so that PA300 is based on user's mark with being marked in multiple PCRF with user
PCRF corresponding to knowledge.Specifically, when Operational Visit request is asked for IMS classes Operational Visit, PA300 can be P-CSCF.
In this case, user's mark is inserted into SIP messages by conversation module 23, and the SIP messages identified inserted with user are sent out
It is sent to PA300.As described above, when Operational Visit request is asked for non-IMS classes Operational Visit, conversation module 23 identifies user
It is inserted into HTTP message, and the PA300 will be sent to inserted with the HTTP message that user identifies.
As shown in figure 5, included according to the PA300 of one embodiment of the application：Parsing module 31, route determining module 32
With modular converter 33.Parsing module 31, session message is received from user side, and user's mark is obtained from the session message.
The session message received can be SIP sessions message or http session message.It is quiet from what is be pre-configured with to route determining module 32
Determined in state route list in multiple PCRF with the user corresponding PCRF of mark, but modular converter 33 by user identify change
To meet the field of Rx message interfaces, so as to be addressed to and the corresponding PCRF of user's mark by Rx sessions.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in computer read/write memory medium, and the program exists
During execution, execution the step of including above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
Although the application is illustrated using foregoing description and embodiment, the application is not limited thereto.This
The protection domain of application is limited by the claim in appended claims, any to technical characteristic progress in claim
Equivalent substitution, it should all belong to scope defined herein.
Claims (15)
1. a kind of PCC session association methods under more PCRF deployment systems, including：
1) PCEF positioned at user side receives Operational Visit request, and the Operational Visit request includes user's mark；
2) user's mark during the PCEF is asked based on the Operational Visit is addressed in multiple PCRF to be identified with the user
Corresponding PCRF；
3) PCEF identifies the user PA being sent to positioned at business side, so that the PA is marked based on the user
Knowledge is addressed to the PCRF corresponding to user's mark；And
4) PCRF corresponding with user mark is identified Rx sessions and Gx session associations according to the user；
Wherein described step 2) includes：The PCEF determined from the static routing list being pre-configured with multiple PCRF with institute
PCRF corresponding to user's mark is stated, and the corresponding PCRF is addressed to by Gx sessions；
Wherein described step 3) includes：The PA determines corresponding with user mark from the static routing list being pre-configured with
PCRF, and the corresponding PCRF is addressed to by Rx sessions.
2. the method as described in claim 1, wherein the step 2) includes：
User mark is sent to the first DRA equipment by the PCEF, so that the first DRA equipment is from being pre-configured with
Static routing list determine in multiple PCRF with the user corresponding PCRF of mark, to cause the PCEF to pass through Gx meetings
Words are addressed to the PCRF determined.
3. method as claimed in claim 2, wherein the step 3) includes：
The PCEF by the user mark be sent to the PA, with cause the PA by the user mark be sent to it is described
2nd DRA equipment corresponding to first DRA equipment, wherein, the 2nd DRA equipment determines from the static routing list being pre-configured with
Go out the PCRF corresponding with user mark, to cause the PA to be addressed to the PCRF determined by Rx sessions.
4. the method as described in any one in claim 1-3, wherein, the Operational Visit request is IMS class Operational Visits
The user is identified the step of being sent to PA and included by request, and the PCEF：
User mark is inserted into SIP messages by the PCEF, and the SIP messages identified inserted with user are sent into institute
State PA.
5. method as claimed in claim 4, wherein, the PA includes P-CSCF.
6. the method as described in any one in claim 1-3, wherein, the Operational Visit request is visited for non-IMS classes business
Ask that the user is identified the step of being sent to PA and included by request, and the PCEF：
User mark is inserted into HTTP message by the PCEF, and will be sent to inserted with the HTTP message that user identifies
The PA.
7. the method for claim 1, wherein the user is identified as the IMSI or MSISDN of user.
8. a kind of PCEF, including：
Parsing module, the Operational Visit request from user terminal is received, and go out user's mark from the Operational Visit request analysis；
Determining module is route, is determined from the static routing list being pre-configured with corresponding with user mark in multiple PCRF
PCRF；And
Conversation module, establishes Gx sessions based on Gx interfaces between the PCEF and the corresponding PCRF, and by the user
Mark is sent to PA positioned at business side so that the PA be based on user mark be addressed to by Rx sessions it is described right
The PCRF answered, wherein, the PCRF corresponding with user mark is identified Rx sessions and described according to the user
Gx session associations.
9. PCEF as claimed in claim 8, in addition to：
Memory module, the static routing list that is pre-configured with described in user's storage.
10. PCEF as claimed in claim 8 or 9, wherein, the Operational Visit request is asked for IMS classes Operational Visit, and
User mark is inserted into SIP messages by the conversation module, and the SIP messages identified inserted with user are sent into institute
State PA.
11. PCEF as claimed in claim 8 or 9, wherein, the Operational Visit request is asked for non-IMS classes Operational Visit, with
And user mark is inserted into HTTP message by the conversation module, and the HTTP message identified inserted with user is sent
To the PA.
12. PCEF as claimed in claim 8, wherein, the user is identified as the IMSI or MSISDN of user.
13. a kind of PA, including：
Parsing module, session message is received from the PCEF of user side, and user's mark is obtained from the session message；
Determining module is route, is determined from the static routing list being pre-configured with corresponding with user mark in multiple PCRF
PCRF；And
Modular converter, user mark is converted to and meets the fields of Rx message interfaces, so as to by Rx sessions be addressed to
The PCRF corresponding to user's mark, wherein, the PCEF is addressed to the corresponding PCRF by Gx sessions, with the use
The PCRF corresponding to the mark of family is identified the Rx sessions and the Gx session associations according to the user.
14. PA as claimed in claim 13, in addition to：
Memory module, for storing the static routing list.
15. the PA as described in claim 13 or 14, wherein, the user is identified as the IMSI or MSISDN of user.
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| CN201210325794.XA CN103686654B (en) | 2012-09-05 | 2012-09-05 | PCC session associations method and PCEF units and PA units |
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| CN201210325794.XA CN103686654B (en) | 2012-09-05 | 2012-09-05 | PCC session associations method and PCEF units and PA units |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101176B (en) * | 2014-05-05 | 2019-06-11 | 华为技术有限公司 | A kind of binding session methods, devices and systems under roaming scence |
| CN105376721A (en) * | 2014-08-19 | 2016-03-02 | 中国移动通信集团公司 | Subscriber data sending method and device and comprehensive analysis system |
| CN105530666B (en) * | 2014-09-29 | 2019-01-08 | 中国电信股份有限公司 | Binding session method and system |
| CN106162592A (en) * | 2015-03-23 | 2016-11-23 | 中兴通讯股份有限公司 | The correlating method of policy control and charging controlled session and device |
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| CN101072170A (en) * | 2006-05-13 | 2007-11-14 | 华为技术有限公司 | Wireless communication network strategy and billing rule functional network element addressing method |
| CN101127609A (en) * | 2006-08-14 | 2008-02-20 | 华为技术有限公司 | A method for managing user policy, billing control and subscription information in evolved network |
| CN102143062A (en) * | 2010-12-28 | 2011-08-03 | 华为技术有限公司 | Policy and charging rule function addressing method, device and system |
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|---|---|---|---|---|
| CN101072170A (en) * | 2006-05-13 | 2007-11-14 | 华为技术有限公司 | Wireless communication network strategy and billing rule functional network element addressing method |
| CN101127609A (en) * | 2006-08-14 | 2008-02-20 | 华为技术有限公司 | A method for managing user policy, billing control and subscription information in evolved network |
| CN102143062A (en) * | 2010-12-28 | 2011-08-03 | 华为技术有限公司 | Policy and charging rule function addressing method, device and system |
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