CN101720109A - System and method for realizing intercommunication and fusion of policy - Google Patents
System and method for realizing intercommunication and fusion of policy Download PDFInfo
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- CN101720109A CN101720109A CN200910088328A CN200910088328A CN101720109A CN 101720109 A CN101720109 A CN 101720109A CN 200910088328 A CN200910088328 A CN 200910088328A CN 200910088328 A CN200910088328 A CN 200910088328A CN 101720109 A CN101720109 A CN 101720109A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
- H04L12/1403—Architecture for metering, charging or billing
- H04L12/1407—Policy-and-charging control [PCC] architecture
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1016—IP multimedia subsystem [IMS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/66—Policy and charging system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/24—Accounting or billing
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Abstract
The invention discloses a system for realizing the intercommunication and fusion of a policy, comprising user equipment, an access network discover and selection functional (ANDSF) entity, a policy and charging rule functional (PCRF) entity and a policy transmission interface, wherein the policy transmission interface is used for realizing the policy intercommunication by transmitting the policy between the ANDSF entity and the PCRF entity and completing the policy fusion. The invention also discloses a method for realizing the intercommunication and fusion of the policy, comprising the steps of realizing the policy intercommunication by transmitting the policy between the ANDSF entity and the PCRF through the policy transmission interface and completing the policy fusion. The system and the method can realize the fusion of policies of different entities.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to the system and method for implementation strategy intercommunication and fusion in the mobile radio system.
Background technology
Third generation partner program (3GPP, 3rd Generation Partnership Project) grouping system (EPS of evolution, Evolved Packet System), universal mobile telecommunications system land radio access web (E-UTRAN by evolution, Evolved Universal Terrestrial Radio Access Network), mobile management unit (MME, Mobility Management Entity), gateway (S-GW, ServingGateway), grouped data network gateway (P-GW, Packet Data Network Gateway), home subscriber server (HSS, Home Subscriber Server), strategy and charging rule functions (PCRF, Policy and Charging Rules Function) entity and other support nodes are formed.Wherein, grouped data network gateway also can abbreviate PDN GW as.
In the system architecture of EPS, at the PCRF entity, the PCRF entity is from the Internet Protocol (IP of operator, Internet Protocol) business network obtains business information, and in addition, the PCRF entity also links to each other with gateway device in the network by the Gx/Gxa/Gxc interface, be responsible for initiating the foundation of IP carrying, guarantee the service quality (QoS, Quality of Service) of business datum, and the control of chargeing.In existing EPS system, access network discovery and selection function (ANDSF, Access Network Discovery andSelection Function) entity have also been used.The ANDSF entity comprises data management and controlled function, and its effect is to provide network to find and the selection auxiliary data according to carrier policy.The ANDSF entity provides two kinds of information, that is: shift strategy and access network discovery information between the system.According to the demand of operator, the ANDSF entity can provide two kinds or any information wherein simultaneously.
Fig. 1 relates to the configuration diagram of ANDSF entity for adopting existing interface, and the S14 interface is an existing interface among Fig. 1, and the S14 interface is supported PULL and two kinds of patterns of PUSH.The PULL pattern mainly is: subscriber equipment (UE) triggers the ANDSF entity sends pattern from the network information to UE after network carries out the active application; And the PUSH pattern mainly is: initiatively triggered the pattern that sends data to UE by network.
The EPS system supports UE to insert a packet data network (PDN, PacketData Network) by a plurality of Access Networks simultaneously, promptly supports the multiple access scene of UE, as shown in Figure 2.If UE wants to initiate a new business, perhaps UE will switch to current business in the another one Access Network and transmit, and UE need visit the ANDSF entity and come to be suitable Access Network of this service selection, and the method flow of selection Access Network as shown in Figure 3.The strategy that provides according to the ANDSF entity, to be new business initiate in the Access Network of selecting UE that dedicated bearing foundations/dedicated bearing revises/adhere to/when PDN connects the request of foundation, dedicated bearing foundation/dedicated bearing revises/adheres to/and PDN connects the request of setting up and need examine and confirm through the PCRF entity, if the PCRF entity approves that this new business is adapted at transmitting in this Access Network, the PCRF entity will return the affirmation signaling so, and finish dedicated bearing foundation/dedicated bearing and revise/adhere to/PDN connects foundation; If the PCRF entity do not approve this Access Network and be fit to this new business, the PCRF entity will return NACK messages so, veto this dedicated bearing foundation/dedicated bearing to revise/adhere to/PDN connects foundation.
According to prior art, the ANDSF entity is the database that has operator's collocation strategy, and the data in this database are static, can not upgrade at any time; And the PCRF entity provides dynamic strategy, so its strategy that provides is more careful and accurate.This has just caused a kind of possibility, the strategy that the ANDSF entity provides to UE is not up-to-date or inaccurate, UE the policy selection Access Network that provides according to the ANDSF entity and initiate dedicated bearing foundation/dedicated bearing revise/adhere to/during request that PDN connect to set up, cause above-mentioned request to be failed because of ANDSF entity and these two network elements of PCRF entity tactful inconsistent probably; Even select Access Network to initiate above-mentioned request once more, the possibility of failure still has.Concrete operation contrast Fig. 3 also sees following detailed.
Here, it is to be noted: the method flow institute that Fig. 3 describes based on scene be: UE meets the PDN that sets up multiple access by 3GPP Access Network and non-3 GPP access network and is connected, be the request of new business or business initiation dedicated bearing foundation/modification to be migrated.And other scenes, passing through an Access Network as current of UE inserts, to be that new business/business to be migrated is initiated the scene that the multiple access of this PDN link sets up and also had same problem from the another one Access Network, wouldn't describe with flow process, below, only the method flow that Fig. 3 is described is set forth, and the method flow among Fig. 3 may further comprise the steps:
Step 501:UE meets the PDN that sets up multiple access by 3GPP Access Network and non-3 GPP access network and is connected, and may have data to transmit in this PDN connection.
Step 502:UE has the new business initiation or needs the business datum stream migration.
Step 503:UE sends the access network message request to the ANDSF entity, and request ANDSF entity is that UE newly initiates/the suitable Access Network of service selection to be migrated.
Step 504:ANDSF entity sends to UE to the strategy of UE request to the access network message response of UE answer at above-mentioned access network message request.This strategy can be best suited for this professional Access Network sign (ID), or the prioritization of suitable this professional Access Network etc.
Here it is to be noted: following step 505～step 509, UE is that new business/business to be migrated is initiated dedicated bearing foundation/modification request in the Access Network of ANDSF entity selection.Wherein, the Access Network of hypothesis selection here is the 3GPP Access Network, if the Access Network of selecting is a non-3 GPP access network, operating procedure roughly the same.
The operating procedure that step 505:UE is specific according to 3GPP that is: is initiated dedicated bearing foundations/modifications to the 3GPP Access Network and is asked, ask into the business of new business/to be migrated objective network such as the 3GPP Access Network in middle Resources allocation.
Step 506:3GPP Access Network sends gate and qos policy request message to the PCRF entity, carries the relevant information of dedicated bearing in this request message.
The business of business/migration that step 507:PCRF entity will newly be initiated UE decision-making is made and being examined, and agrees or disagree with that this new business/business to be migrated transmits at the 3GPP Access Network;
Here it is to be noted: because the ANDSF entity is the database that there is operator's collocation strategy in operator, and the data in this storehouse are static, can not upgrade at any time; And the PCRF entity provides dynamic strategy, so its strategy that provides is more careful and accurate.This has just caused a kind of possibility, the strategy that the ANDSF entity provides to UE is not up-to-date or inaccurate, UE is at the policy selection Access Network that provides according to the ANDSF entity and when initiating above-mentioned dedicated bearing foundation/modification request, the PCRF entity is disapproved this operation, cause dedicated bearing foundation/modification failure, promptly following step 508～step 509.
Step 508:PCRF entity issues gate and qos policy request-reply to the 3GPP Access Network, and to inform the 3GPP Access Network, the PCRF entity is disagreed with the foundation/modification request of this dedicated bearing.
Step 509:3GPP Access Network that is: sends dedicated bearing foundation/modification failed signaling to UE by the 3GPP specific operation, and to inform UE, the PCRF entity is disagreed with new business/business to be migrated in the transmission of 3GPP Access Network, dedicated bearing foundation/modification failure.
The strategy that step 510:UE provides according to the ANDSF entity once more, select the another one Access Network, and the flow process of initiation dedicated bearing foundation/modification request, if the strategy that ANDSF entity and PCRF entity provide is also inconsistent, new business foundation or business datum stream migration also will be failed so, and roughly the same step 505 is to step 509; Continue to repeat above step, up to the Access Network of choosing a PCRF entity approval or till final new business is set up or the migration of business data flow is failed.Here it is to be noted: the step 510 among Fig. 3 shows that for empty frame table this step is the optional step in the above-mentioned flow process.
In sum, above problem is the example of inconsistent more specificization of strategy just, in view of in the EPS network, has a plurality of policy entity, except PCRF entity and ANDSF entity, also has HSS, IP management system (IPMS, IP Management System), all may there be tactful inconsistent problem, new demand is the fusion that will realize between the Different Strategies, at present at this new demand, does not have effective implementation as yet.
Summary of the invention
In view of this, main purpose of the present invention is to provide the system and method for a kind of implementation strategy intercommunication and fusion, can realize intercommunication and fusion between the strategy of different entities.
For achieving the above object, technical scheme of the present invention is achieved in that
The system of a kind of implementation strategy intercommunication and fusion, this system comprises: user equipment (UE), access network discovery and selection function ANDSF entity, strategy and charging rule functions PCRF entity, this system also comprises: tactful coffret, be used for coming the implementation strategy intercommunication, finish strategy and merge by transmission policy between described ANDSF entity and described PCRF entity.
Wherein, described ANDSF entity is further used for obtaining strategy from described PCRF entity by described tactful coffret.
Wherein, described ANDSF entity, further the strategy of ANDSF entity self is reported described PCRF entity and request is examined and/or revised by described tactful coffret, obtain the strategy of examining and/or revising, give described UE the described policy distribution of examining and/or revising from the PCRF entity; Described PCRF entity, the strategy that is further used for the strategy that will get access to from described ANDSF entity and PCRF entity self mates and examines and/or revise, and gives the ANDSF entity with the described policy distribution of examining and/or revising;
Perhaps, described ANDSF entity, further by the strategy of described tactful coffret to described PCRF entity application PCRF place, the ANDSF entity will carry out analysis-by-synthesis from strategy and the strategy of self that described PCRF entity gets access to, and give described UE with the policy distribution after the analysis-by-synthesis;
Perhaps, described ANDSF entity, further by the strategy of described tactful coffret to described PCRF entity application PCRF place, the ANDSF entity will be handed down to described UE respectively from strategy and the strategy of self that described PCRF entity gets access to.
Wherein, described ANDSF entity further will report described PCRF entity from the real time information that described UE or other network elements obtain by described tactful coffret; Described PCRF entity is further used for upgrading according to the strategy of the described real time information that gets access to from described ANDSF entity to PCRF entity self.
The method of a kind of implementation strategy intercommunication and fusion, this method comprises: between ANDSF entity and PCRF entity, come the implementation strategy intercommunication by tactful coffret transmission policy, finish strategy and merge.
Wherein, this method further comprises: described ANDSF entity obtains the strategy from described PCRF entity by described tactful coffret.
Wherein, examine and/or revise at ANDSF entity requests PCRF entity under the situation of self strategy, the described strategy that obtains from the PCRF entity specifically comprises:
Described ANDSF entity is by described tactful coffret, the strategy of ANDSF entity self reported described PCRF entity and request is examined and/or revised; The strategy that the PCRF entity will get access to from described ANDSF entity and the strategy of PCRF entity self mate and examine and/or revise, and the policy distribution that will examine and/or revise is given the ANDSF entity;
Also comprise after the described strategy that obtains from the PCRF entity: described ANDSF entity is given described UE with the described policy distribution of examining and/or revising.
Wherein, under the situation of ANDSF entity requests PCRF entity place strategy, the described strategy that obtains from the PCRF entity specifically comprises:
Described ANDSF entity is by described tactful coffret, the strategy to described PCRF entity application PCRF entity place; Described PCRF entity is given the ANDSF entity with the policy distribution of self;
Also comprise after the described strategy that obtains from the PCRF entity: described ANDSF entity will carry out analysis-by-synthesis from strategy and the strategy of self that described PCRF entity gets access to, and give described UE with the policy distribution after the analysis-by-synthesis.
Wherein, under ANDSF entity requests PCRF entity place strategy and situation by the UE selection strategy, the described strategy that obtains from the PCRF entity specifically comprises: described ANDSF entity is by described tactful coffret, the strategy to described PCRF entity application PCRF entity place; Described PCRF entity is given the ANDSF entity with the policy distribution of self;
Also comprise after the described strategy that obtains from the PCRF entity: described ANDSF entity will be handed down to described UE respectively from strategy and the strategy of self that described PCRF entity gets access to, by described UE selection strategy.
Wherein, the described PCRF entity of described ANDSF entity requests is examined and/or revised described strategy and is specially: the ANDSF entity is the approval whether Access Network that UE selects can obtain the PCRF entity;
Described PCRF entity is specially to described ANDSF entity the described policy distribution of examining and/or revising: when obtaining the approval of PCRF entity, the PCRF entity is informed the ANDSF entity with the access network selection of approval; When not obtaining the approval of PCRF entity, the PCRF entity returns other Access Network tabulations of Negative Acknowledgement and/or recommendation to the ANDSF entity.
Wherein, described PCRF entity also comprises after the access network selection of approval is informed the ANDSF entity:
Set up under the scene at multiple access, described UE initiates dedicated bearing foundation/modification request according to the access network selection of described approval; Under multiple access was not set up scene, described UE initiated to adhere to/packet data network connection foundation request according to the access network selection of described approval;
Described PCRF entity also comprises after the ANDSF entity returns Negative Acknowledgement:
Set up under the scene at multiple access, UE abandons the dedicated bearing foundation/modification request at this Access Network according to described Negative Acknowledgement; Under multiple access was not set up scene, UE abandoned adhering to/packet data network connection foundation request at this Access Network according to described Negative Acknowledgement;
Described PCRF entity also comprises after the ANDSF entity returns other Access Networks tabulation of recommendation:
Set up under the scene at multiple access, UE selects other Access Network to initiate dedicated bearing foundation/modification request according to other Access Network tabulations of described recommendation; Under multiple access was not set up scene, UE selected other Access Network to initiate to adhere to/packet data network connection foundation request according to other Access Network tabulations of described recommendation.
Wherein, this method further comprises:
Described ANDSF entity will report described PCRF entity from the real time information that UE or other network elements obtain by described tactful coffret;
Described PCRF entity upgrades according to the strategy of the described real time information that gets access to from described ANDSF entity to PCRF entity self.
System of the present invention comprises tactful coffret, and this strategy coffret is used for coming the implementation strategy intercommunication by transmission policy between ANDSF entity and PCRF entity, finishes strategy and merges.
The present invention has increased tactful coffret between ANDSF entity and PCRF entity, can the implementation strategy intercommunication, thereby, adopt the present invention, can finish the fusion of Different Strategies between ANDSF entity and the PCRF entity.
Description of drawings
Fig. 1 relates to the configuration diagram of ANDSF entity for adopting existing interface;
Fig. 2 is the networking schematic diagram under the multiple access scene;
Fig. 3 is the realization flow schematic diagram of existing new business initiation/business datum stream migration under the multiple access scene;
Fig. 4 relates to the configuration diagram of ANDSF entity for adopting strategy coffret of the present invention;
Fig. 5 is for selecting to initiate behind the correct Access Network realization flow schematic diagram of new business/business datum stream migration under the invention multiple access scene based on tactful intercommunication interface;
Fig. 6 for select based on tactful intercommunication interface under the multiple access scene of the present invention to initiate to adhere to behind the accurate Access Network/PDN connects the realization flow schematic diagram of foundation;
Fig. 7 is the realization flow schematic diagram that UE/ANDSF entity of the present invention upgrades PCRF entity strategy.
Embodiment
Basic thought of the present invention is: between ANDSF entity and PCRF entity, increased tactful coffret, can the implementation strategy intercommunication, and finish the fusion of strategy.
Be described in further detail below in conjunction with the enforcement of accompanying drawing technical scheme.
As shown in Figure 4, the system of a kind of implementation strategy intercommunication and fusion, this system comprises: UE, ANDSF entity, PCRF entity and tactful coffret.Wherein, UE, ANDSF entity, PCRF entity are existing, are not specifically addressed here, only set forth at tactful coffret, and tactful coffret adopts interface Xy to represent in Fig. 4.The strategy coffret is the interface that increases newly between ANDSF entity and PCRF entity, this strategy coffret is used for by transmission policy between ANDSF entity and PCRF entity, realize the tactful intercommunication between these two of ANDSF entity and PCRF entity, can realize the strategy fusion between ANDSF entity and the PCRF entity.
Here, the ANDSF entity is used for obtaining strategy from the PCRF entity by tactful coffret.The strategy here is the strategy that PCRF entity self is preserved.Because the ANDSF entity obtains tactful different from the PCRF entity, therefore, the specific implementation of ANDSF entity comprises following three kinds of situations:
First kind of situation: the ANDSF entity further by tactful coffret the strategy of ANDSF entity self is reported the PCRF entity and request is examined and/or revised, and obtains the strategy of examining and/or revising from the PCRF entity, gives UE with this policy distribution.Correspondingly, the PCRF entity is further used for the strategy that will get access to from the ANDSF entity and the strategy of PCRF entity self mates, and the strategy that gets access to from the ANDSF entity examined and/or revise, give the ANDSF entity with the policy distribution of examining and/or revising.
Second kind of situation: the ANDSF entity is further by the strategy of tactful coffret to PCRF entity application PCRF place, and the ANDSF entity will carry out analysis-by-synthesis from strategy and the strategy of self that the PCRF entity gets access to, and gives UE with the policy distribution after the analysis-by-synthesis.
The third situation: the ANDSF entity is further by the strategy of tactful coffret to PCRF entity application PCRF place, and the ANDSF entity will be handed down to UE respectively from strategy and the strategy of self that the PCRF entity gets access to.
Here, the strategy at PCRF entity place can upgrade, and the ANDSF entity further will report the PCRF entity from the real time information that UE or other network elements obtain by tactful coffret.Correspondingly, the PCRF entity is further used for upgrading according to the strategy of the real time information that gets access to from the ANDSF entity to PCRF entity self.
The method of a kind of implementation strategy intercommunication and fusion, this method comprises: between ANDSF entity and PCRF entity, come the implementation strategy intercommunication by tactful coffret transmission policy, and finish the strategy fusion.
Here, this method further comprises: the ANDSF entity obtains the strategy from the PCRF entity by tactful coffret.The strategy here is the up-to-date strategy that PCRF entity self is preserved.Give UE different because the ANDSF entity obtains from the strategy of PCRF entity and distributing policy, therefore, the concrete processing procedure of this method comprises following three kinds of situations:
First kind of situation: examine and/or revise at ANDSF entity requests PCRF entity under the situation of self strategy, the strategy that the ANDSF entity obtains from the PCRF entity specifically comprises: the ANDSF entity is by tactful coffret, the strategy of ANDSF entity self reported the PCRF entity and request is examined and/or revised; The strategy that the PCRF entity will get access to from the ANDSF entity and the strategy of PCRF entity self mate and examine and/or revise, and give the ANDSF entity with the policy distribution of examining and/or revising.
Correspondingly, the strategy that obtains from the PCRF entity also comprises afterwards: the policy distribution that the ANDSF entity will be examined and/or revise is given UE.
Here it is pointed out that above first kind of situation can be understood as: ANDSF makes the process that decision-making asks PCRF to examine and/or revise.
Second kind of situation: under the situation of ANDSF entity requests PCRF entity place strategy, the strategy that the ANDSF entity obtains from the PCRF entity specifically comprises: the ANDSF entity is by tactful coffret, the strategy to PCRF entity application PCRF entity place; The PCRF entity is given the ANDSF entity with the policy distribution of self.
Also comprise after obtaining the strategy from the PCRF entity: the ANDSF entity will carry out analysis-by-synthesis from strategy and the strategy of self that the PCRF entity gets access to, and give UE with the policy distribution after the analysis-by-synthesis.
Here it is pointed out that above second kind of situation can be understood as: the process of ANDSF entity requests PCRF strategy.
The third situation: under ANDSF entity requests PCRF entity place strategy and situation by the UE selection strategy, the strategy that the ANDSF entity obtains from the PCRF entity specifically comprises: the ANDSF entity is by tactful coffret, the strategy to PCRF entity application PCRF entity place; The PCRF entity is given the ANDSF entity with the policy distribution of self.
Also comprise after obtaining the strategy from the PCRF entity: the ANDSF entity will be handed down to UE respectively from strategy and the strategy of self that the PCRF entity gets access to, by UE selection strategy voluntarily.
Here it is pointed out that above the third situation can be understood as: the ANDSF entity is issued UE with strategy, the process of UE do-it-yourself decision-making.
Here, this method also comprises renewal process, and this renewal process is specially: the ANDSF entity will report the PCRF entity from the real time information that UE or other network elements obtain by tactful coffret; The PCRF entity upgrades according to the strategy of the real time information that gets access to from the ANDSF entity to PCRF entity self.
Here, at above first kind of situation, when report tactful examined and/or revised to ANDSF entity requests PCRF entity, ANDSF entity requests PCRF entity was examined and/or revised the strategy that reports and is specially: the ANDSF entity is the approval whether Access Network of UE selection can obtain the PCRF entity.
The policy distribution that the PCRF entity will be examined and/or revise is specially for the ANDSF entity: when obtaining the approval of PCRF entity, the PCRF entity is informed the ANDSF entity with the access network selection of approval; When not obtaining the approval of PCRF entity, the PCRF entity returns other Access Network tabulations of Negative Acknowledgement and/or recommendation to the ANDSF entity.The policy distribution that the PCRF entity will be examined and/or revise also comprises following three kinds of concrete processing procedures after giving the ANDSF entity, below concrete respectively the elaboration.
First kind of concrete processing procedure: be the PCRF entity and the access network selection of approval informed the process that also comprises after the ANDSF entity.Set up under the scene at multiple access, UE initiates dedicated bearing foundation/modification request according to the access network selection of PCRF entity approval; Under multiple access was not set up scene, UE initiated to adhere to/PDN connection foundation request according to the access network selection of PCRF entity approval.
Second kind of concrete processing procedure: be the process that the PCRF entity also comprises after the ANDSF entity returns Negative Acknowledgement.Set up under the scene at multiple access, UE abandons the dedicated bearing foundation/modification request at this Access Network according to Negative Acknowledgement; Under multiple access was not set up scene, UE abandoned adhering to/PDN connection foundation request at this Access Network according to Negative Acknowledgement.
The third concrete processing procedure: be the process that the PCRF entity also comprises after the ANDSF entity returns other Access Network tabulations of recommendation.Set up under the scene at multiple access, UE selects other Access Network to initiate dedicated bearing foundation/modification request according to other Access Network tabulations that PCRF recommends; Under multiple access was not set up scene, UE selected other Access Network to initiate to adhere to/PDN connection foundation request according to other Access Network tabulations that PCRF recommends.
Method embodiment one: set up under the scene at multiple access.
Set up under the scene at multiple access, UE meets the PDN that sets up multiple access by 3GPP Access Network and non-3 GPP access network and is connected, UE is when initiating new business foundation/business datum stream migration, in the time of UE visit ANDSF entity application strategy, the ANDSF entity need obtain up-to-date dynamic strategy according to tactful coffret visit PCRF entity, the ANDSF entity can be taken all factors into consideration by strategy self is tactful and that the PCRF entity provides, to select suitable Access Network, UE initiates dedicated bearing foundation/modification request in this Access Network then, has just got rid of the possibility of the inconsistent dedicated bearing foundation/modification failure that causes of PCRF entity and ANDSF entity strategy.Concrete operation contrast Fig. 5 also sees following detailed:
Step 601:UE meets the PDN that sets up multiple access by 3GPP Access Network and non-3 GPP access network and is connected, and may have data to transmit in this PDN connection.
Step 602:UE has the new business initiation or needs the business datum stream migration.
Step 603:UE sends the access network message request to the ANDSF entity, and request ANDSF entity is that UE newly initiates/the suitable Access Network of service selection to be migrated.
Step 604:ANDSF entity sends the strategy request signaling by tactful coffret to the PCRF entity, asks the PCRF entity to examine the ANDSF entity and will whether can obtain the approval of PCRF entity for the Access Network that UE selects.
Step 605:PCRF entity replys strategy by tactful coffret to the ANDSF entity and replys signaling, and the access network selection that the PCRF entity will have been approved is informed the ANDSF entity.
Step 606:ANDSF entity sends to UE to the strategy of UE request to the access network message response of UE answer at above-mentioned access network message request.Wherein, this strategy can be best suited for this professional Access Network ID, or the prioritization of suitable this professional Access Network etc.
From step 607 to step 611, UE is that new business/business to be migrated is initiated dedicated bearing foundation/modification requested operation, and finally operated successfully in the Access Network of selecting.Wherein, the Access Network of hypothesis selection here is the 3GPP Access Network, if the Access Network of selecting is a non-3 GPP access network, operating procedure roughly the same.
As seen, adopt the present invention, under the multiple access scene, having improved UE is that new business data flow/business data flow to be migrated is selected the order of accuarcy of network, reduced dedicated bearing foundation/modification failed probability simultaneously.
Method embodiment two: do not set up as yet under the scene at multiple access.
Also do not exist under the scene at multiple access, UE need initiate the multiple access that a certain PDN connects under a new Access Network, in the time of UE visit ANDSF entity application strategy, the ANDSF entity need obtain up-to-date dynamic strategy according to tactful coffret visit PCRF entity, the ANDSF entity can be taken all factors into consideration by strategy self is tactful and that the PCRF entity provides, to select suitable Access Network, UE initiates to adhere in this net/the PDN request of connect setting up then, just got rid of PCRF entity and ANDSF entity strategy inconsistent cause adhere to/PDN is connected the possibility of setting up the request failure.Concrete operation contrast Fig. 6 also sees following detailed:
Step 701:UE has connect by non-3 GPP access network and has set up the PDN connection, and may have data to transmit in this PDN connection.
Step 702:UE need connect another access link of initiating in the 3GPP Access Network for this PDN, realizes that multiple access UE has the new business initiation or needs the business datum stream migration.
Step 703:UE sends the access network message request to the ANDSF entity, and request ANDSF entity is that UE selects suitable Access Network.
Step 704:ANDSF entity sends the strategy request signaling by tactful coffret to the PCRF entity, asks the PCRF entity to examine the ANDSF entity and will whether can obtain the approval of PCRF entity for the Access Network that UE selects.
Step 705:PCRF entity is replied strategy by tactful coffret to the ANDSF entity and is replied signaling.The access network selection that the PCRF entity will have been approved is informed the ANDSF entity.
Step 706:ANDSF entity sends to UE to the strategy of UE request to the access network message response of UE answer at above-mentioned access network message request.Wherein, this strategy can be the Access Network ID of PCRF entity approval, or the prioritization of Access Network etc.
From step 707 to step 711, the UE network side initiates to adhere in the Access Network of selecting/and the PDN connection sets up requested operation, and finally operates successfully.Wherein, the Access Network of hypothesis selection here is the 3GPP Access Network, if the Access Network of selecting is a non-3 GPP access network, operating procedure roughly the same.
More than second kind of concrete processing procedure--the operation of abandoning inserting can be passed through flowchart text; More than the third concrete processing procedure--the step that other Access Networks tabulations of recommending according to PCRF insert once more is similar with the step that inserts for the first time, does not do tired stating at this.
Be illustrated in figure 7 as the processing procedure that strategy that PCRF entity self is preserved upgrades, in this processing procedure: the ANDSF entity reports up-to-date policy information to the PCRF entity, for example UE current position information or time-zone information etc.; The PCRF entity is formulated qos policy or charging policy more accurately according to UE current position information or time-zone information etc. for UE.Adopt the present invention,, therefore, can provide more accurate policy information and charge information for UE owing to can upgrade the core net strategy.Below method flow shown in Figure 7 is specifically addressed, the processing procedure that this strategy upgrades may further comprise the steps:
Step 801:UE reports the real time information of self to give the ANDSF entity in ANDSF entity requests strategy.
Here, the real time information of UE self comprises: UE current position information or time-zone information etc.UE adopts the access network message request to ANDSF entity requests strategy.
The real time information that step 802:ANDSF entity provides UE, perhaps the real time information of obtaining from other network elements of ANDSF entity reports the PCRF entity, upgrades information corresponding in the PCRF entity.
Here, other network elements comprise: HSS in the EPS system or UDC etc.When UE current position information that only UE is provided when the ANDSF entity or time-zone information report the PCRF entity, upgrade information corresponding in the PCRF entity and be: upgrade UE positional information or time-zone information in the PCRF entity.The ANDSF entity adopts the strategy request signaling that real time information is reported the PCRF entity.
Step 803:PCRF entity is formulated qos policy and charging policy etc. according to the real time information that the ANDSF entity reports for the user, and is handed down to networks such as PCEF and carries out this strategy; The PCRF entity is responded strategy and is replied signaling to the ANDSF entity.
Step 804:ANDSF entity is responded the access network message request of UE by the access network acknowledgement messaging.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (12)
1. the system of implementation strategy intercommunication and fusion, this system comprises: user equipment (UE), access network discovery and selection function ANDSF entity, strategy and charging rule functions PCRF entity, it is characterized in that, this system also comprises: tactful coffret, be used for coming the implementation strategy intercommunication, finish strategy and merge by transmission policy between described ANDSF entity and described PCRF entity.
2. system according to claim 1 is characterized in that, described ANDSF entity is further used for obtaining strategy from described PCRF entity by described tactful coffret.
3. system according to claim 2, it is characterized in that, described ANDSF entity, further the strategy of ANDSF entity self is reported described PCRF entity and request is examined and/or revised by described tactful coffret, obtain the strategy of examining and/or revising, give described UE the described policy distribution of examining and/or revising from the PCRF entity; Described PCRF entity, the strategy that is further used for the strategy that will get access to from described ANDSF entity and PCRF entity self mates and examines and/or revise, and gives the ANDSF entity with the described policy distribution of examining and/or revising;
Perhaps, described ANDSF entity, further by the strategy of described tactful coffret to described PCRF entity application PCRF place, the ANDSF entity will carry out analysis-by-synthesis from strategy and the strategy of self that described PCRF entity gets access to, and give described UE with the policy distribution after the analysis-by-synthesis;
Perhaps, described ANDSF entity, further by the strategy of described tactful coffret to described PCRF entity application PCRF place, the ANDSF entity will be handed down to described UE respectively from strategy and the strategy of self that described PCRF entity gets access to.
4. system according to claim 1 is characterized in that, described ANDSF entity further will report described PCRF entity from the real time information that described UE or other network elements obtain by described tactful coffret; Described PCRF entity is further used for upgrading according to the strategy of the described real time information that gets access to from described ANDSF entity to PCRF entity self.
5. the method for implementation strategy intercommunication and fusion is characterized in that this method comprises: between ANDSF entity and PCRF entity, come the implementation strategy intercommunication by tactful coffret transmission policy, finish strategy and merge.
6. method according to claim 5 is characterized in that, this method further comprises: described ANDSF entity obtains the strategy from described PCRF entity by described tactful coffret.
7. method according to claim 6 is characterized in that, examines and/or revise at ANDSF entity requests PCRF entity under the situation of self strategy, and the described strategy that obtains from the PCRF entity specifically comprises:
Described ANDSF entity is by described tactful coffret, the strategy of ANDSF entity self reported described PCRF entity and request is examined and/or revised; The strategy that the PCRF entity will get access to from described ANDSF entity and the strategy of PCRF entity self mate and examine and/or revise, and the policy distribution that will examine and/or revise is given the ANDSF entity;
Also comprise after the described strategy that obtains from the PCRF entity: described ANDSF entity is given described UE with the described policy distribution of examining and/or revising.
8. method according to claim 6 is characterized in that, under the situation of ANDSF entity requests PCRF entity place strategy, the described strategy that obtains from the PCRF entity specifically comprises:
Described ANDSF entity is by described tactful coffret, the strategy to described PCRF entity application PCRF entity place; Described PCRF entity is given the ANDSF entity with the policy distribution of self;
Also comprise after the described strategy that obtains from the PCRF entity: described ANDSF entity will carry out analysis-by-synthesis from strategy and the strategy of self that described PCRF entity gets access to, and give described UE with the policy distribution after the analysis-by-synthesis.
9. method according to claim 6, it is characterized in that, under ANDSF entity requests PCRF entity place strategy and situation by the UE selection strategy, the described strategy that obtains from the PCRF entity specifically comprises: described ANDSF entity is by described tactful coffret, the strategy to described PCRF entity application PCRF entity place; Described PCRF entity is given the ANDSF entity with the policy distribution of self;
Also comprise after the described strategy that obtains from the PCRF entity: described ANDSF entity will be handed down to described UE respectively from strategy and the strategy of self that described PCRF entity gets access to, by described UE selection strategy.
10. method according to claim 7 is characterized in that, the described PCRF entity of described ANDSF entity requests is examined and/or revised described strategy and is specially: the ANDSF entity is the approval whether Access Network of UE selection can obtain the PCRF entity;
Described PCRF entity is specially to described ANDSF entity the described policy distribution of examining and/or revising: when obtaining the approval of PCRF entity, the PCRF entity is informed the ANDSF entity with the access network selection of approval; When not obtaining the approval of PCRF entity, the PCRF entity returns other Access Network tabulations of Negative Acknowledgement and/or recommendation to the ANDSF entity.
11. method according to claim 10 is characterized in that, described PCRF entity also comprises after the access network selection of approval is informed the ANDSF entity:
Set up under the scene at multiple access, described UE initiates dedicated bearing foundation/modification request according to the access network selection of described approval; Under multiple access was not set up scene, described UE initiated to adhere to/packet data network connection foundation request according to the access network selection of described approval;
Described PCRF entity also comprises after the ANDSF entity returns Negative Acknowledgement:
Set up under the scene at multiple access, UE abandons the dedicated bearing foundation/modification request at this Access Network according to described Negative Acknowledgement; Under multiple access was not set up scene, UE abandoned adhering to/packet data network connection foundation request at this Access Network according to described Negative Acknowledgement;
Described PCRF entity also comprises after the ANDSF entity returns other Access Networks tabulation of recommendation:
Set up under the scene at multiple access, UE selects other Access Network to initiate dedicated bearing foundation/modification request according to other Access Network tabulations of described recommendation; Under multiple access was not set up scene, UE selected other Access Network to initiate to adhere to/packet data network connection foundation request according to other Access Network tabulations of described recommendation.
12. method according to claim 5 is characterized in that, this method further comprises:
Described ANDSF entity will report described PCRF entity from the real time information that UE or other network elements obtain by described tactful coffret;
Described PCRF entity upgrades according to the strategy of the described real time information that gets access to from described ANDSF entity to PCRF entity self.
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| CN200910088328A CN101720109A (en) | 2009-06-26 | 2009-06-26 | System and method for realizing intercommunication and fusion of policy |
| PCT/CN2010/072535 WO2010148792A1 (en) | 2009-06-26 | 2010-05-07 | System and method for implementing policy interworking and convergence |
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| CN200910088328A CN101720109A (en) | 2009-06-26 | 2009-06-26 | System and method for realizing intercommunication and fusion of policy |
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