CN102326430A - Method, system for selecting policy controller and diameter routing agent entity - Google Patents

Method, system for selecting policy controller and diameter routing agent entity Download PDF

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Publication number
CN102326430A
CN102326430A CN2010800019173A CN201080001917A CN102326430A CN 102326430 A CN102326430 A CN 102326430A CN 2010800019173 A CN2010800019173 A CN 2010800019173A CN 201080001917 A CN201080001917 A CN 201080001917A CN 102326430 A CN102326430 A CN 102326430A
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signing
information
pcrf
signing information
request message
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时晓岩
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/20—Transfer of user or subscriber data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration

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  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

A method, a system for selecting a policy controller and a diameter routing agent entity are disclosed by the embodiments of the present invention. The method for selecting a policy controller includes: getting the User Equipment (UE) subscription information when the UE is performing attachment to a network; matching the subscription service contained in the subscription information with the capability information of the Policy Control and Charging Rules Function (PCRF) in the network, and selecting a PCRF supporting the subscription service content for the UE according to the matching result. By applying the method and system for selecting a policy controller and a diameter routing agent entity in the embodiments of the present invention, the PCRF entity capable of providing service for the UE can be selected accurately when multiple PCRF entities with different functions are deployed in an Evolved Packet Core (EPC) network, and the problems of user offline, Quality of Service (QoS) instability, etc. caused by incapability of providing service can be avoided, and the user experience can be ensured.

Description

Method, system for selecting policy controller and diameter routing agent entity
Strategy controller system of selection, system and diameter routing agent entity technical field
The present invention relates to communication technical field, more particularly to a kind of strategy controller system of selection, system and diameter routing agent entity.Background technology
EPC (Evolved Packet Core, evolution block core net are attached in user equipment (User Equipment, UE)）During Wang Network, PCRF (Policy Control and Charging Rules Function, policy control and charging regulation function entity in EPC networks）Corresponding strategy is determined according to current ongoing business information of the ability of UE access networks, carrier policy, user contracting data and user etc., and is supplied to other network elements to perform the strategy, so that implementing policy charging is controlled.
At present, multiple PCRF entities can be disposed in EPC in fact net, it is therefore desirable to select suitable PCRF for UE, the selection to PCRF at this stage is realized in the following way：D A (Diameter Routing Agent, diameter protocol route agent）Entity is after session establishment request message is received, according to the UE included in the session establishment request message received identification information, such as IMSI (International Mobile Subscriber Identity, IMSI International Mobile Subscriber Identity）Information, is UE selections PCRF by searching the corresponding relation of its internal UE configured identification information and PCRF identification information.But, because the function for the multiple PCRF entities disposed in EPC networks is different, some PCRF entities can not provide corresponding service for UE, so as to cause in DRA when PCRF is selected by the way of the above-mentioned identification information based on UE, it can be that UE selects a PCRF for not supporting UE subscribed services contents in multiple PCRF entities, influence the proper communication of user equipment.The content of the invention
In view of this, the embodiments of the invention provide a kind of strategy controller system of selection, system and diameter routing agent entity, solve when deploying multiple PCRF entities with function difference in EPC networks, the problem of how selecting to disclosure satisfy that the PCRF entities of its service for UE. The embodiment of the present invention is adopted the following technical scheme that：
A kind of strategy controller system of selection, including：
During UE is performed and is attached to network, UE signing information is obtained；
The signing service included in the signing information is matched with the ability information of the policy control in the network and charging regulation function entity PCRF, is that the UE selects a PCRF for supporting its signing service content according to matching result.
A kind of diameter routing agent entity, including：
Acquiring unit, during performing in UE and being attached to network, obtains UE signing information；Selecting unit, is described according to matching result for the signing service included in the signing information to be matched with the ability information of the policy control in the network and charging regulation function entity PCRF
UE selects a PCRF for supporting its signing service content.
A kind of policy control and charging regulation function entity, including：
First transmitting element, for sending the identification information for including UE in signing information inquiry request message, the signing information inquiry request message to user-subscribed database；
Receiving unit, the signing information for receiving the UE found in the signing information query response message from user-subscribed database, the signing information query response message comprising the user-subscribed database according to the identification information of the UE；
Service determination unit, for the signing information according to the UE, it is determined that can not be that Gx sessions or gateway control session provide service；
For setting up response message to DRA transmission Gx session establishments responses or gateway control session, the Gx session establishments response message or gateway control session set up in response message the signing information for including the UE.
A kind of strategy controller selects system, including：
Diameter routing agent entity, for sending the identification information for including UE in signing information inquiry request message, the signing information inquiry request message to user's subscribed services device；And receive in the signing information query response message from user's subscribed services device, the signing information query response message comprising the user The signing information for the UE that subscribed services device is found according to the identification information of the UE；It is additionally operable to be matched the signing service included in the signing information with the ability information of the policy control in the network and charging regulation function entity PCRF, it is that the UE selects a PCRF for supporting its signing service content according to matching result;
User's subscribed services device, for receiving after the signing information inquiry request message from D A, the signing information query response message is sent to DRA.
A kind of strategy controller selects system, including：
Diameter routing agent entity, for receiving identification information and signing information comprising UE in the Gx session establishment request messages from gateway, the Gx session establishments request message；The Gx session establishments request message is transmitted to grouped data network gateway from mobile management entity through gateway；It is additionally operable to be matched the signing service included in the signing information with the policy control and charging regulation function entity PCRF ability information in the Wang Network, it is that the UE selects a PCRF for supporting its signing service content according to matching result;
Grouped data network gateway, for sending identification information and signing information comprising the UE in Gx session establishment request messages, the Gx session establishments request message to DRA.
A kind of strategy controller selects system, including：
Diameter routing agent entity, sets up request message, the gateway control session sets up identification information and signing information comprising UE in request message for receiving the gateway control session from gateway；It is additionally operable to be matched the signing service included in the signing information with the policy control and charging regulation function entity PCRF ability information in the Wang Network, it is that the UE selects a PCRF for supporting its signing service content according to matching result;
Gateway, sets up request message, the gateway control session sets up identification information and signing information comprising the UE in request message for sending gateway control session to DRA.
A kind of strategy controller selects system, including：
Policy control and charging regulation function entity, for sending the identification information for including UE in signing information inquiry request message, the signing information inquiry request message to SPR；Receive the signing information from SPR The SPR UE found according to the identification information of the UE signing information is included in query response message, the signing information query response message；According to the signing information of the UE, it is determined that can not be that Gx sessions or gateway control session provide service, then send Gx session establishments response message to DRA or gateway control session sets up response message, the Gx session establishments response message or gateway control session set up in response message the signing information for including the UE；
Diameter routing agent entity, response message is set up for receiving the Gx session establishments response message or gateway control session from PCRF entities, by by the signing service included in the signing information with the policy control in the network He Ji Charges regulation function entities PCRF ability information is matched, it is that the UE selects a PCRF for supporting its signing service content according to matching result.
Using strategy controller system of selection, system and the diameter routing agent entity described in the embodiment of the present invention, so that when EPC is netted and multiple PCRF with function difference is deployed in Network, can correctly it select that the PCRF of service can be provided the user, the user caused by service can not be provided is avoided to break, QoS (Quality of Service, service quality）Unstable the problems such as, it is ensured that Consumer's Experience.Brief description of the drawings
Fig. 1 is the flow chart of the strategy controller system of selection described in the embodiment of the present invention 1；
Fig. 2 is the flow chart of the strategy controller system of selection described in the embodiment of the present invention 2；
Fig. 3 is the flow chart of the strategy controller system of selection described in the embodiment of the present invention 3；
Fig. 4 is the flow chart of the strategy controller system of selection described in the embodiment of the present invention 4；
Fig. 5 a are the first schematic diagram of the diameter routing agent entity described in the embodiment of the present invention 5；Fig. 5 b are the second schematic diagram of the diameter routing agent entity described in the embodiment of the present invention 5；Fig. 6 is the schematic diagram of the acquiring unit described in the embodiment of the present invention 5；
Fig. 7 is the schematic diagram of the diameter routing agent entity described in the embodiment of the present invention 6；Fig. 8 is the policy control and the schematic diagram of charging regulation function entity described in the embodiment of the present invention 7；Fig. 9 is the schematic diagram of the strategy controller selection system described in the embodiment of the present invention 8；
Figure 10 is the schematic diagram of the strategy controller selection system described in the embodiment of the present invention 9； Figure 11 is the schematic diagram of the strategy controller selection system described in the embodiment of the present invention 10；
Figure 12 is the schematic diagram of the strategy controller selection system described in the embodiment of the present invention 11.Embodiment
When deploying multiple PCRF with function difference in EPC networks, there is a situation where that PCRF entities can not provide for UE and service accordingly, for example：Pass through fixed network in UE（WLAN (Wireless Local Area Networks, WLAN) and 3GPP (the 3rd Generation Partner Project, third generation partner program) Home eNodeB）In the case of being linked into EPC networks, the control strategy of formulation is passed through PCRF and BPCF (Broadband Policy Control Function, broadband policy controlled entity by PCRF）Between S9* interfaces be handed down to BPCF execution, implementing policy charging control；Because part PCRF supports S9* interfaces in network, part PCRF does not support S9* interfaces, this DRA may occur when the identification information based on UE is that UE selects PCRF, can be that UE have selected a situation for not supporting the PCRF of S9* interfaces according to the corresponding relation of the identification information of its internal the UE identification informations configured and PCRF, so as to cause the control strategy that PCRF is formulated can not be handed down to BPCF, the proper communication of user equipment is influenceed.
Below in conjunction with drawings and examples, embodiments of the present invention are described in further detail, so as to solve above-mentioned Similar Problems.
Fig. 1 is the flow chart of the strategy controller system of selection of the embodiment of the present invention 1, as shown in Figure 1：
101, during UE is performed and is attached to network, obtain UE signing information；
Formulate control strategy, it is necessary to select correct PCRF to come during UE is performed and is attached to EPC networks for UE and corresponding service is provided, so as to complete UE attachment flow.
In order to which selection can correctly provide the PCRF of service for UE from multiple PCRF, firstly the need of
DRA can obtain UE signing information, be matched for the follow-up ability information with the PCRF disposed in known network；Obtaining the mode of UE signing information has following three kinds：
Mode one：
DRA, which is received, comes from PGW (Packet data network Gateway, grouped data network gateway） / After PCEF (Policy and Charging Enforcement Function, strategy and charging perform entity), the Gx session establishment request messages of the identification information comprising UE；Or DRA is received from SGW (Serving Gateway, the moon good business gateway) I BBERF (Bearer Binding and Event Reporting Function, bearing binding and event reporting function entity）, the identification information comprising UE gateway control session（Gxx sessions）Set up after request message, the identification information for including the UE in signing information inquiry request message, the signing information inquiry request message is sent to user's subscribed services device；In the present embodiment, user's subscribed services device includes：SPR (Subscription Profile Repository, user-subscribed database) or AAA (Authorization, Authentication and Accounting, authorize, authentication and charging) or HSS (Home Subscriber Server, home subscriber server；)；The identification information of the UE can be the IMSI or ID or IP (Internet Protocol, Internet protocol) address information of user.
Then, DRA receives the signing information query response message from user's subscribed services device, the UE found in the signing information query response message comprising user's subscribed services device according to the identification information of the UE signing information, the signing information is included：The service of user's signing, for example whether fixed network of having contracted accesses whether EPC business, i.e. network side need to provide the QoS controls of S9* interfaces.
Mode two：
MME (Mobility Management Entity, mobility management entity）Identification information and signing information comprising UE in session establishment request message, the session establishment request message are sent to SGW；
SGW sends identification information and signing information comprising the UE in session establishment request message, the session establishment request message to PGW；
PGW sends identification information and signing information comprising the UE in Gx session establishment request messages, the Gx session establishments request message to DRA, so that DRA obtains UE signing information.
Mode three：
MME sends identification information and signing information comprising UE in session establishment request message, the session establishment request message to SGW；
SGW sends identification information and signing information comprising the UE in Gxx session establishment request messages, the Gxx session establishments request message to DRA. Mode four：
PCRF is received after Gx session establishments request message or Gxx session establishment request messages from DRA, and the identification information for including UE in signing information inquiry request message, the signing information inquiry request message is sent to SPR；
PCRF receives the signing information that the SPR UE found according to the identification information of the UE are included in the signing information query response message from SPR, the signing information query response message；
PCRF is according to the signing information and self-ability of the UE, it is determined that can not be that the Gx sessions or Gxx sessions provide service；
PCRF sends Gx sessions or Gxx session establishment response messages to DRA, in the Gx sessions or Gxx session establishment response messages comprising the UE signing information and set up conversation failure configured information, for indicating that Gx sessions or Gxx session establishments fail to DRA so that DRA obtains the signing information of user.
102, DRA is matched the signing service included in the signing information with the ability information of the policy control in the network and charging regulation function entity PCRF, it is that the UE selects a PCRF for supporting its signing service content according to matching result.
Before the signing information that step 101 obtains UE, the ability information of the PCRF in the network has been configured in DRA or has been sent to DRA by network management system.
So, after DRA obtains UE signing information, DRA is matched the signing service included in the signing information with the ability information of the PCRF in the known network, if some PCRF ability information, which is shown, can provide the service required in UE signing informations, then represent that the ability information of the PCRF can be matched with UE signing information, so as to which DRA is that UE selects the PCRF, for example：When indicating that user contracted FMC business in UE signing informations, that is, when allowing user access from fixed network and QoS guarantees being provided：D A are received after session establishment request, need to select a PCRF for user, DRA first consults the signing information of user, the FMC business it was found that user has contracted, then the PCRF ability informations list lookup stored by searching in DRA supports that PCRF and the FMC business of S9* interfaces are matched, service is provided the user, the PCRF ability informations are configurations or transmitted by network management system into DRA. The ability information of the PCRF can be understood as the ability that PCRF supports ability or PCRF with other entity intercommunications in network to support UE different business demands, for example：PCRF supports the strategy controller intercommunication with fixed network（Support S9* interfaces) it is exactly PCRF-kind of ability information；
More specifically, if employing mode four obtains UE signing information in step 101, in this step, DRA is that UE selections one are supported also to include after the PCRF of its subscribed services content：DRA forwards Gx sessions or Gxx session establishment request messages to the PCRF of selection, and receives the Gx sessions from the PCRF or Gxx session establishment response messages.
Using the strategy controller system of selection described in the embodiment of the present invention 1, so that when deploying multiple PCRF with function difference in EPC networks, can correctly it select that the PCRF of service can be provided for UE, the user caused by service can not be provided is avoided to break, the problems such as QoS is unstable, it is ensured that Consumer's Experience.
Fig. 2 is the schematic diagram of the strategy controller system of selection described in the embodiment of the present invention 2, as shown in Figure 2：During UE is attached to EPC networkings,
(Policy and Charging Enforcement Function, strategy and charging perform entity to 201, PGW/ PCEF）Receive and the identification information containing UE, such as UE IMSI or ID or IP address information are included in the conversation establishing request message forwarded through SGW, the conversation establishing request message；
202, receive after conversation establishing request message, PGW/PCEF sends Gx session establishments request message to DRA, in the session establishment request message in include the identification information of user；
203, DRA send the identification information for including UE in signing information inquiry request message, the signing information inquiry request message to user's subscribed services device；Described user's subscribed services device can be SPR or AAA or HSS;
204, user's subscribed services device receives the signing information for returning to user after signing information inquiry request message to DRA；
205, based on the control of signing information selection strategy and charging regulation function entity；
Because before UE signing information is obtained, the PCRF disposed in the network ability information has been configured manually in DRA or has been sent to DRA by network management system. So, DRA is matched the UE received signing information with PCRF ability information, if some PCRF ability information, which is shown, can provide the service required in UE signing informations, then represent that the ability information of the PCRF can be matched with UE signing information, so as to which DRA is that Gx sessions select the PCRF, for example, when user signing contract information indicates that permission user accesses EPC by fixed network, then DRA is the PCRF that Gx sessions select a support S9* interface.
When DRA mode of operation is proxy mode, subsequent step performs (A):
206a 206b, DRA forwarding Gx conversation establishings are asked to the PCRF of selection, and receive the Gx session establishment response messages that PCRF is sent；
207, DRA forward Gx session establishment response messages to PGW/PCEF；
208, PGW/PCEF provide the conversation establishing response message of step 201.
When DRA mode of operation is redirection pattern, subsequent step performs (B):
206, DRA send the identification information for redirecting and the PCRF that DRA is PGW selections being included in response message, message to PGW/PCEF entities；
207a 207b, PGW/PCEF resend Gx session establishment request messages to PCRF entities, and receive the Gx session establishment response messages from PCRF；
208, PGW/PCEF provide the conversation establishing response message of step 201.
Selectively, the present embodiment can also be applied to SGW/BBERF (Bearer Binding and Event Reporting Function, bearing binding and event reporting function entity）Send gateway control session and set up scene of the request message to DRA, then UE identification information selection PCRFs of the DRA in gateway control session, i.e.,：PGW/PCEF entities are substituted with SGW/ BBERF entities, Gx sessions are substituted with gateway control session (Gxx sessions), other flows are identical with the description of the present embodiment 201 208, specific as follows：
201, SGW/BBERF, which receive conversation establishing partial ask, includes the identification information containing UE, such as UE IMSI or ID or IP address information in message, the conversation establishing request message；
202, receive that conversation establishing is all asks after message, SGW/BBERF sends Gxx session establishments request message to DRA, in the session establishment request message in include the identification information of user；
203, DRA send signing information inquiry request message, the signing information to user's subscribed services device UE identification information is included in inquiry request message；Described user's subscribed services device can be SPR or AAA or HSS;
204, user's subscribed services device receives the signing information for returning to user after signing information inquiry request message to DRA；
205, based on the control of signing information selection strategy and charging regulation function entity；
Because before UE signing information is obtained, the PCRF disposed in the network ability information has been configured manually in DRA or has been sent to DRA by network management system.
So, DRA is matched the UE received signing information with PCRF ability information, if some PCRF ability information, which is shown, can provide the service required in UE signing informations, then represent that the ability information of the PCRF can be matched with UE signing information, so as to which DRA is that Gxx sessions select the PCRF, for example, when user signing contract information indicates that permission user accesses EPC by fixed network, then DRA is the PCRF that Gxx sessions select a support S9* interface.
When DRA mode of operation is proxy mode, subsequent step performs (A):
206a 206b, DRA forwarding Gx conversation establishings are asked to the PCRF of selection, and receive the Gxx session establishment response messages that PCRF is sent；
207, DRA forward Gx session establishment response messages to SGW/BBERF；
208, SGW/BBERF provide the conversation establishing response message of step 201.
When DRA mode of operation is redirection pattern, subsequent step performs (B):
206, DRA send the identification information for redirecting and the PCRF that DRA is SGW/BBERF selections being included in response message, message to SGW/BBERF entities；
207a 207b, SGW/BBERF resend Gxx session establishment request messages to PCRF entities, and receive the Gxx session establishment response messages from PCRF；
208, SGW/BBERF provide the conversation establishing response message of step 201.
Using the strategy controller system of selection described in the embodiment of the present invention 2, so that when deploying multiple PCRF entities with function difference in EPC networks, can correctly it select that the PCRF entities of service can be provided for UE, avoid the user caused by service can not be provided to break, QoS is unstable etc. to be asked Topic, it is ensured that Consumer's Experience.
Fig. 3 is the schematic diagram of the strategy controller system of selection described in the embodiment of the present invention 3, as shown in Figure 3：During UE is attached to EPC networkings,
301, UE send the identification information for adhering to and very asking and including UE in message, the Attach Request message, such as UE IMSI or ID or IP address information to MME；
302, MME obtain UE signing information in authentication process；
303, MME send the signing information of the identification information comprising UE and UE in conversation establishing request message, the conversation establishing request message to SGW；
304, SGW send the signing information of the identification information comprising UE and UE in conversation establishing request message, the conversation establishing request message to PGW；
305, PGW send the signing information of the identification information comprising UE and UE in Gx session establishment request messages, the Gx session establishments request message to DRA；
306, based on the control of signing information selection strategy and charging regulation function entity；
Because before UE signing information is obtained, the PCRF disposed in the net Network ability information has been configured manually in DRA or has been sent to DRA by network management system.
So, DRA is matched the UE received signing information with PCRF ability information, if some PCRF ability information, which is shown, can provide the service required in UE signing informations, then represent that the ability information of the PCRF can be matched with UE signing information, so as to which DRA is that Gx sessions select the PCRF, for example, when user signing contract information indicates that permission user accesses EPC by fixed network, then DRA is the PCRF that Gx sessions select a support S9* interface.
When DRA mode of operation is proxy mode, subsequent step performs (A):
307a ~ 307b, DRA forwarding Gx conversation establishings are asked to the PCRF of selection, and receive the Gx session establishment response messages that PCRF is sent；
308, DRA forward Gx session establishment response messages to PGW；
309, PGW send conversation establishing response message to SGW；
310, SGW send conversation establishing response message to MME； 311, MME receive Attach Request message to UE transmissions.
When DRA mode of operation is redirection pattern, subsequent step performs (B):
307, DRA send the identification information for redirecting and the PCRF that DRA is PGW selections being included in response message, message to PGW；
308a ~ 308b, PGW resend Gx session establishment request messages to PCRF, and receive the Gx session establishment response messages from PCRF；
309, PGW send conversation establishing response message to SGW；
310, SGW send conversation establishing response message to MME；
311, MME receive Attach Request message to UE transmissions.
Selectively, the present embodiment can also be applied to SGW and send scene of the Gxx session establishments request message to DRA, then UE identification information selection PCRFs of the DRA in Gxx sessions, i.e.,：Above-mentioned steps 304-305 is merged into：SGW directly sends the signing information of the identification information comprising UE and UE in Gxx session establishment request messages, the Gxx session establishments request message without PGW to DRA；Gx sessions in other other steps by the present embodiment are substituted with Gxx sessions.It is specific as follows：
301, UE send the identification information for including UE in Attach Request message, the Attach Request message, such as UE IMSI or ID or IP address information to MME；
302, MME obtain UE signing information in authentication process；
303, MME send the signing information of the identification information comprising UE and UE in conversation establishing request message, the conversation establishing request message to SGW；
304-305, SGW send the signing information of the identification information comprising UE and UE in Gxx session establishment request messages, the Gxx session establishments request message to DRA；
306, based on the control of signing information selection strategy and charging regulation function entity；
Because before UE signing information is obtained, the PCRF disposed in the network ability information has been configured manually in DRA or has been sent to DRA by network management system.
So, DRA is matched the UE received signing information with PCRF ability information, if some PCRF ability information, which is shown, can provide the service required in UE signing informations, then it represents that should PCRF ability information can be matched with UE signing information, so as to which DRA is that Gxx sessions select the PCRF, for example, when user signing contract information indicates that permission user accesses EPC by fixed network, then DRA is the PCRF that Gxx sessions select a support S9* interface.
When DRA mode of operation is proxy mode, subsequent step performs (A):
307a ~ 307b, DRA forwarding Gxx conversation establishings are asked to the PCRF of selection, and receive the Gxx session establishment response messages that PCRF is sent；
308-309, DRA forward Gxx session establishment response messages to SGW；
310, SGW send conversation establishing response message to MME；
311, MME receive Attach Request message to UE transmissions.
When DRA mode of operation is redirection pattern, subsequent step performs (B):
307, DRA send the identification information for redirecting and the PCRF that DRA is SGW selections being included in response message, message to SGW；
308a 308b ~ 309, SGW resend Gxx session establishment request messages to PCRF, and receive the Gxx session establishment response messages from PCRF；
310, SGW send conversation establishing response message to MME；
311, MME receive Attach Request message to UE transmissions.
Using the strategy controller system of selection described in the embodiment of the present invention 3, so that when deploying multiple PCRF entities with function difference in EPC networks, can correctly it select that the PCRF entities of service can be provided for UE, the user caused by service can not be provided is avoided to break, the problems such as QoS is unstable, it is ensured that Consumer's Experience.
Fig. 4 is the schematic diagram of the strategy controller system of selection described in the embodiment of the present invention 4, as shown in Figure 4：During UE is attached to EPC networkings,
401, PGW receive the identification information for including UE in the conversation establishing request message forwarded through SGW, the conversation establishing request message；
402, PGW send the identification information for including UE in Gx session establishment request messages, the conversation establishing request message to DRA； The UE identification informations and PCRF corresponding relation configured in 403, the DRA identification information and DRA according to UE selects a PCRF, hereon referred to as PCRF1 (the first policy control and charging regulation function entity）；
404, DRA forward Gx session establishment request messages to PCRF1；
405a, PCRF1 send signing information inquiry request message to SPR, and the identification information for including UE in the signing information of user, the signing information inquiry request message is inquired about to SPR；
405b, PCRF1 receive the signing information for including UE in the signing information query response message from SPR, the signing information query response message；
406, PCRF1 judge that the subscribed services of user can not be supported according to UE signing information；
407, PCRF1 send Gx session establishment response messages to DRA, include UE subscription data in the Gx session establishments response message, and indicate and set up conversation failure；
408, based on the control of signing information selection strategy and charging regulation function entity；
Because before UE signing information is obtained, the PCRF disposed in the network ability information has been configured manually in DRA or has been sent to DRA by network management system.
So, DRA is matched the UE received signing information with PCRF ability information, if some PCRF ability information, which is shown, can provide the service required in UE signing informations, then represent that the ability information of the PCRF can be matched with UE signing information, so as to which DRA is that Gx sessions select the PCRF, for example, when user signing contract information indicates that permission user accesses EPC by fixed network, then DRA is the PCRF that Gx sessions select a support S9* interface.
409a, DRA send Gx conversation establishing request messages to the PCRF (referred to herein as PCRF2) reselected；
409b, DRA receive the Gx session establishment response messages from PCRF2；
410, DRA forward Gx session establishment response messages to PGW；
411, PGW provide the session establishment corresponding message of step 401.
Selectively, the present embodiment can also be applied to SGW and send scene of the Gxx session establishments request message to DRA, i.e.,：In the case where each step relation of the present embodiment 401 ~ 411 is constant, PGW is replaced with SGW, All Gx sessions are replaced with Gxx sessions, it is specific as follows：
401, SGW receive the identification information for including UE in conversation establishing request message, the conversation establishing request message；
402, SGW send the identification information for including UE in Gxx session establishment request messages, the session establishment request message to DRA；
The UE identification informations and PCRF corresponding relation configured in 403, the DRA identification information and DRA according to UE selects a PCRF, hereon referred to as PCRF1 (the first policy control and charging regulation function entity）；
404, DRA forward Gxx session establishment request messages to PCRF1；
405a, PCRF1 send signing information inquiry request message to SPR, and the identification information for including UE in the signing information of user, the signing information inquiry request message is inquired about to SPR；
405b, PCRF1 receive the signing information for including UE in the signing information query response message from SPR, the signing information query response message；
406, PCRF1 judge that the subscribed services of user can not be supported according to UE signing information；
407, PCRF1 send Gxx session establishment response messages to DRA, include UE subscription data in the Gxx session establishments response message, and indicate and set up conversation failure；
408, based on the control of signing information selection strategy and charging regulation function entity；
Because before UE signing information is obtained, the PCRF disposed in the network ability information has been configured manually in DRA or has been sent to DRA by network management system.
So, DRA is matched the UE received signing information with PCRF ability information, if some PCRF ability information, which is shown, can provide the service required in UE signing informations, then represent that the ability information of the PCRF can be matched with UE signing information, so as to which DRA is that Gxx sessions select the PCRF, for example, when user signing contract information indicates that permission user accesses EPC by fixed network, then DRA is the PCRF that Gxx sessions select a support S9* interface.
409a, DRA are leaned on to PCRF (referred to herein as PCRF2) the transmission Gxx conversation establishings reselected and are sought message； 409b, DRA receive the Gxx session establishment response messages from PCRF2；410, DRA forward Gxx session establishment response messages to SGW；
411, SGW provide the session establishment corresponding message of step 401.
Using the strategy controller system of selection described in the embodiment of the present invention 4, so that when deploying multiple PCRF entities with function difference in EPC networks, can correctly it select that the PCRF entities of service can be provided for UE, the user caused by service can not be provided is avoided to break, the problems such as QoS is unstable, it is ensured that Consumer's Experience.
Fig. 5 a are the first schematic diagram of the diameter routing agent entity described in the embodiment of the present invention 5, as shown in Figure 5 a, including：
Acquiring unit 501, during performing in UE and being attached to network, obtains UE signing information；Three kinds of modes of acquisition signing information refer to the specific descriptions in embodiment 1 in step 101, does not praise state herein.
Selecting unit 502, for the signing service included in the signing information to be matched with the ability information of the policy control in the network and charging regulation function entity PCRF, it is that the UE selects a PCRF for supporting its signing service content according to matching result.The specific description that refer to step 102 in embodiment 1, does not praise state herein.
Fig. 5 b are the second schematic diagram of the diameter routing agent entity described in the embodiment of the present invention 5, and as shown in Figure 5 b, the diameter routing agent entity described in Fig. 5 a also includes：
Memory cell 503, the PCRF disposed for storing in network ability information, before UE signing information is obtained, the ability information is configured manually in DRA or is sent to DRA by network management system.
Fig. 6 is the schematic diagram of the acquiring unit described in the embodiment of the present invention 5, as shown in fig. 6, including：Transmission sub-unit 5011, for sending the identification information for including UE in signing information inquiry request message, the signing information inquiry request message to user's subscribed services device；
Receiving subelement 5012, for receiving in the signing information query response message from user's subscribed services device, the signing information query response message comprising mark of the user's subscribed services device according to the UE Know the signing information for the UE that information searching is arrived.
Using the diameter routing agent entity described in the embodiment of the present invention 5, so that when deploying multiple PCRF entities with function difference in EPC networks, can correctly it select that the PCRF entities of service can be provided for UE, the user caused by service can not be provided is avoided to break, the problems such as QoS is unstable, it is ensured that Consumer's Experience.
Fig. 7 is the first schematic diagram of the diameter routing agent entity described in the embodiment of the present invention 6, as shown in Figure 7：
Acquiring unit 701, during performing in UE and being attached to network, obtains UE signing information, is specially：Gx sessions from PCRF or Gxx session establishment response messages are received, the signing information comprising UE and conversation failure configured information is set up in the Gx sessions or Gxx session establishment response messages, for indicating that Gx session establishments fail to DRA；
Selecting unit 702, for the signing service included in the signing information to be matched with the ability information of the policy control in the network and charging regulation function entity PCRF, it is that the UE selects a PCRF for supporting its signing service content according to matching result.The specific description that refer to step 102 in embodiment 1, does not praise state herein.
Memory cell 703, the PCRF disposed for storing in network ability information, before UE signing information is obtained, the ability information is configured manually in DRA or is sent to DRA by network management system.
Using the diameter routing agent entity described in the embodiment of the present invention 6, so that when deploying multiple PCRF entities with function difference in EPC networks, can correctly it select that the PCRF entities of service can be provided for UE, the user caused by service can not be provided is avoided to break, the problems such as QoS is unstable, it is ensured that Consumer's Experience.
Fig. 8 is the policy control and the schematic diagram of charging regulation function entity described in the embodiment of the present invention 7, as shown in figure 8, including：
First transmitting element 801, for sending the identification information for including UE in signing information inquiry request message, the signing information inquiry request message to SPR； Receiving unit 802, the SPR UE found according to the identification information of the UE signing information is included for receiving in the signing information query response message from SPR, the signing information query response message；
Service determination unit 803, for the signing information according to the UE, it is determined that service can not be provided for Gx the or Gxx sessions；
Second transmitting element 804, for sending Gx sessions or Gxx session establishment response messages to DRA, the signing information comprising the UE and conversation failure configured information is set up in the Gx sessions or Gxx session establishment response messages, for indicating that Gx sessions or Gxx session establishments fail to DRA.
Using the policy control and charging regulation function entity described in the embodiment of the present invention 7, it can be judged whether that service can be provided for UE according to self-ability, avoid the user caused by service can not be provided to break, the problems such as QoS is unstable, it is ensured that Consumer's Experience.
Fig. 9 is the schematic diagram of the strategy controller selection system described in the embodiment of the present invention 8, as shown in figure 9, including：
Diameter routing agent entity 901, for sending the identification information for including UE in signing information inquiry request message, the signing information inquiry request message to user's subscribed services device；And receive the UE found in the signing information query response message from user's subscribed services device, the signing information query response message comprising user's subscribed services device according to the identification information of the UE signing information；It is additionally operable to be matched the signing service included in the signing information with the ability information of the policy control in the network and charging regulation function entity PCRF, it is that the UE selects a PCRF for supporting its signing service content according to matching result;
User's subscribed services device 902, for receiving after the signing information inquiry request message from DRA, the signing information query response message is sent to DRA.
System is selected using the strategy controller described in the embodiment of the present invention 8, so that when deploying multiple PCRF entities with function difference in EPC networks, can correctly it select that the PCRF entities of service can be provided for UE, the user caused by service can not be provided is avoided to break, the problems such as QoS is unstable, it is ensured that Consumer's Experience. Figure 10 is the schematic diagram of the strategy controller selection system described in the embodiment of the present invention 9, as shown in Figure 10：
Diameter routing agent entity 1001, for receiving identification information and signing information comprising UE in the Gx session establishment request messages from gateway, the Gx session establishments request message；It is additionally operable to be matched the signing service included in the signing information with the ability information of the policy control in the network and charging regulation function entity PCRF, it is that the UE selects a PCRF for supporting its signing service content according to matching result;
Grouped data network gateway 1002, for sending identification information and signing information comprising the UE in Gx session establishment request messages, the Gx session establishments request message to DRA.
System is selected using the strategy controller described in the embodiment of the present invention 9, so that when deploying multiple PCRF entities with function difference in EPC networks, can correctly it select that the PCRF entities of service can be provided for UE, the user caused by service can not be provided is avoided to break, the problems such as QoS is unstable, it is ensured that Consumer's Experience.
Figure 11 is the schematic diagram of the strategy controller selection system described in the embodiment of the present invention 10, as shown in Figure 11, including：
Diameter routing agent entity 1101, for receiving identification information and signing information comprising UE in the Gxx session establishment request messages from gateway, the Gxx session establishments request message；It is additionally operable to be matched the signing service included in the signing information with the ability information of the policy control in the network and charging regulation function entity PCRF, it is that the UE selects a PCRF for supporting its signing service content according to matching result;
Gateway 1102, for sending identification information and signing information comprising the UE in Gxx session establishment request messages, the Gxx session establishments request message to DRA.
System is selected using the strategy controller described in the embodiment of the present invention 10, so that when deploying multiple PCRF entities with function difference in EPC networks, can correctly it select that the PCRF entities of service can be provided for UE, the user caused by service can not be provided is avoided to break, the problems such as QoS is unstable, it is ensured that Consumer's Experience. Figure 12 is the schematic diagram of the strategy controller selection system described in the embodiment of the present invention 11, as shown in Figure 12, including：
Policy control and charging regulation function entity 1201, for sending the identification information for including UE in signing information inquiry request message, the signing information inquiry request message to SPR；Receive the signing information that the SPR UE found according to the identification information of the UE are included in the signing information query response message from SPR, the signing information query response message；According to the signing information of the UE, it is determined that can not be that Gx sessions or gateway control session provide service, then send Gx session establishments response message to DRA or gateway control session sets up response message, the Gx session establishments response message or gateway control session set up the signing information for including the UE in response message and set up conversation failure configured information, fail for indicating that Gx sessions or gateway control session are set up to DRA；
Diameter routing agent entity 1202, for receiving the Gx sessions or Gxx session establishment response messages from PCRF entities, the signing service included in the signing information is matched with the ability information of the policy control in the network and charging regulation function entity PCRF, according to matching result, a PCRF for supporting its signing service content is selected for the UE, the PCRF forwarding Gx sessions of right backward selection or Gxx session establishment request messages, and receive the Gx sessions from the PCRF or Gxx session establishment response messages.
System is selected using the strategy controller described in the embodiment of the present invention 11, so that when deploying multiple PCRF entities with function difference in EPC networks, can correctly it select that the PCRF entities of service can be provided for UE, the user caused by service can not be provided is avoided to break, the problems such as QoS is unstable, it is ensured that Consumer's Experience.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can be completed by the related hardware of programmed instruction, and foregoing program can be stored in computer read/write memory medium, and the program upon execution, performs the step of including above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or CD etc. are various can be with the medium of store program codes.Bright spirit and scope.So, if the present invention these modifications and variations belong to the claims in the present invention and Within the scope of its equivalent technologies, then the present invention is also intended to comprising including these changes and modification.

Claims (16)

  1. Claims
    1st, a kind of strategy controller system of selection, it is characterised in that including：
    During user equipment (UE) performs and is attached to network, UE signing information is obtained；The signing service included in the signing information is matched with the ability information of the policy control in the network and charging regulation function entity PCRF, is that the UE selects a PCRF for supporting its signing service content according to matching result.
    2nd, the strategy controller system of selection according to claim 1, it is characterised in that the signing information of the acquisition UE includes：
    Receive Gx session establishments request message or gateway control session sets up request message, the Gx session establishments request message or gateway control session set up the identification information that request message includes UE；
    The identification information for including the UE in signing information inquiry request message, the signing information inquiry request message is sent to user's subscribed services device；
    Receive the UE found in the signing information query response message from user's subscribed services device, the signing information query response message comprising user's subscribed services device according to the identification information of the UE signing information.
    3rd, the strategy controller system of selection according to claim 1, it is characterised in that the signing information of the acquisition UE includes：
    Mobile management entity sends identification information and signing information comprising UE in session establishment request message, the session establishment request message to gateway；
    Gateway sends identification information and signing information comprising the UE in session establishment request message, the session establishment request message to grouped data network gateway；
    Grouped data network gateway sends identification information and signing information comprising the UE in Gx session establishment request messages, the Gx session establishments request message to diameter routing agent entity DRA.
    4th, the strategy controller system of selection according to claim 1, it is characterised in that the signing information of the acquisition UE includes：
    Mobile management entity sends session establishment request message, the session establishment request message to gateway In comprising UE identification information and signing information；
    Gateway sends gateway control session to diameter routing agent entity DRA and sets up request message, and the gateway control session sets up identification information and signing information comprising the UE in request message.
    5th, the strategy controller system of selection according to claim 1, it is characterised in that the signing information of the acquisition UE includes：
    PCRF is received after Gx session establishments request message or gateway control session request message from DRA, and the identification information for including UE in signing information inquiry request message, the signing information inquiry request message is sent to user-subscribed database SPR；
    PCRF receives the signing information that the SPR UE found according to the identification information of the UE are included in the signing information query response message from SPR, the signing information query response message；
    PCRF is according to the signing information of the UE, it is determined that can not be that the Gx sessions or gateway control session provide service；
    PCRF sends Gx session establishments response message to D A or gateway control session sets up response message, and the Gx session establishments response message or gateway control session set up in response message the signing information for including the UE.
    6th, the strategy controller system of selection according to claim 1, it is characterised in that the signing information of the acquisition UE includes：
    PCRF is received after the gateway control session request message from DRA, and the identification information for including UE in signing information inquiry request message, the signing information inquiry request message is sent to user-subscribed database SPR；
    PCRF receives the signing information that the SPR UE found according to the identification information of the UE are included in the signing information query response message from SPR, the signing information query response message；PCRF is according to the signing information of the UE, it is determined that service can not be provided for the gateway control session；PCRF sends gateway control session to DRA and sets up response message, and the gateway control session sets up in response message the signing information for including the UE.
    7th, according to any described strategy controller systems of selection of claim 1-6, it is characterised in that obtaining Take before UE signing information, methods described also includes：
    The ability information of the PCRF in the network is configured in DRA；Or
    The ability information of PCRF in the network is sent to DRA by network management system.
    8th, a kind of diameter routing agent entity, it is characterised in that including：
    Acquiring unit, during performing in UE and being attached to network, obtains UE signing information；Selecting unit, the signing service included in the signing information is matched with the ability information of the policy control in the network and charging regulation function entity PCRF, it is that the UE selects a PCRF for supporting its signing service content according to matching result.
    9th, diameter routing agent entity according to claim 8, it is characterised in that the acquiring unit includes：
    Transmission sub-unit, for sending the identification information for including UE in signing information inquiry request message, the signing information inquiry request message to user's subscribed services device；
    Receiving subelement, the signing information for receiving the UE found in the signing information query response message from user's subscribed services device, the signing information query response message comprising user's subscribed services device according to the identification information of the UE.
    10th, the diameter routing agent entity according to claim 8, it is characterised in that the acquiring unit specifically for：
    Receive identification information and signing information comprising UE in the Gx session establishment request messages from packet data gateway, the Gx session establishments request message；Or
    Receive the gateway control session from gateway and set up request message, the gateway control session sets up identification information and signing information comprising UE in request message.
    11st, the diameter routing agent entity according to claim 8, it is characterised in that the acquiring unit specifically for：
    Receive Gx session establishments response message or gateway control session from PCRF and set up response message, the Gx session establishments response message or gateway control session set up in response message the signing information for including UE. 12nd, according to any described diameter routing agent entities of claim 8-11, it is characterised in that also include：
    Memory cell, the ability information for storing the PCRF in network, before UE signing information is obtained, the ability information configuration is sent to DRA in DRA or by network management system.
    13rd, a kind of policy control and charging regulation function entity, it is characterised in that including：
    First transmitting element, for sending the identification information for including UE in signing information inquiry request message, the signing information inquiry request message to SPR；
    Receiving unit, the SPR UE found according to the identification information of the UE signing information is included for receiving in the signing information query response message from SPR, the signing information query response message；
    Service determination unit, for the signing information according to the UE, it is determined that can not be that Gx sessions or gateway control session provide service；
    Second transmitting element, for setting up response message to DRA transmission Gx session establishments responses or gateway control session, the Gx session establishments response message or gateway control session set up in response message the signing information for including the UE.
    14th, a kind of strategy controller selection system, it is characterised in that including：
    Diameter routing agent entity, for sending the identification information for including UE in signing information inquiry request message, the signing information inquiry request message to user's subscribed services device；And receive the UE found in the signing information query response message from user's subscribed services device, the signing information query response message comprising user's subscribed services device according to the identification information of the UE signing information；It is additionally operable to the signing service included in the signing information with the policy control in the network He Ji Charges regulation function entities PCRF ability information is matched, is that the UE selects a PCRF for supporting its signing service content according to matching result;
    User's subscribed services device, for receiving after the signing information inquiry request message from DRA, the signing information query response message is sent to DRA.
    15th, a kind of strategy controller selection system, it is characterised in that including： Diameter routing agent entity, for receiving identification information and signing information comprising UE in the Gx session establishment request messages from grouped data network gateway, the Gx session establishments request message；It is additionally operable to be matched the signing service included in the signing information with the ability information of the policy control in the network and charging regulation function entity PCRF, it is that the UE selects a PCRF for supporting its signing service content according to matching result;
    Grouped data network gateway, for sending identification information and signing information comprising the UE in Gx session establishment request messages, the Gx session establishments request message to DRA.
    16th, a kind of strategy controller selection system, it is characterised in that including：
    Diameter routing agent entity, sets up request message, the gateway control session sets up identification information and signing information comprising UE in request message for receiving the gateway control session from gateway；It is additionally operable to the signing service included in the signing information with the policy control in the network He Ji Charges regulation function entities PCRF ability information is matched, it is that the UE selects a PCRF for supporting its signing service content according to matching result;
    Gateway, sets up request message, the gateway control session sets up identification information and signing information comprising the UE in request message for sending gateway control session to DRA.
    17th, a kind of strategy controller selection system, it is characterised in that including：
    Policy control and charging regulation function entity, for sending the identification information for including UE in signing information inquiry request message, the signing information inquiry request message to SPR；Receive the signing information that the SPR UE found according to the identification information of the UE are included in the signing information query response message from SPR, the signing information query response message；According to the signing information of the UE, it is determined that can not be that Gx sessions or gateway control session provide service, then send Gx session establishments response message to DRA or gateway control session sets up response message, the Gx session establishments response message or gateway control session set up in response message the signing information for including the UE；
    Diameter routing agent entity, response message is set up for receiving the Gx session establishments response message or gateway control session from PCRF entities, the signing service included in the signing information is matched with the ability information of the policy control in the network and charging regulation function entity PCRF, according to It is that the UE selects a PCRF for supporting its signing service content with result.
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