CN104581670A - Application access control method and application function physical device - Google Patents
Application access control method and application function physical device Download PDFInfo
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- CN104581670A CN104581670A CN201310483024.2A CN201310483024A CN104581670A CN 104581670 A CN104581670 A CN 104581670A CN 201310483024 A CN201310483024 A CN 201310483024A CN 104581670 A CN104581670 A CN 104581670A
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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
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0893—Assignment of logical groups to network elements
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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
- 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
- H04M15/80—Rating or billing plans; Tariff determination aspects
- H04M15/8038—Roaming or handoff
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0894—Policy-based network configuration management
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Abstract
The invention discloses an application access control method and an application function physical device. The method comprises the following steps: an AF (application function) selects an AAC (accessed application access control) network element according to a priority principle; the AF sends information to a PCRF (policy and charging rules function) through the AAC network element, wherein the information is used for enabling the PCRF to execute policy and charging rules. The application access control method and the application function physical device solve the problem that charging and policy control of a certain type of services cannot be achieved with related techniques, and achieves charging and policy control of services.
Description
Technical field
The present invention relates to the communications field, in particular to application connection control method and Application Function device.
Background technology
Policy control and charging controlling functions (Policy and Charging Control, referred to as PCC) each functional entity: "Policy and Charging Rules Function entity (Policy and Charging Rules Function, referred to as PCRF), strategy and charging execution function entity (Policy and Charging Enforcement Function, referred to as PCEF) be present in grouped data network gateway (Packet Data Network Gateway, referred to as P-GW or PDN GW) in, bearing binding and event reporting function entity (Bearer Binding and Event Report Function, referred to as BBERF) gateway (ServingGateway can be present in, referred to as S-GW) in, Application Function (the Application Function of business, referred to as AF) be present in carrier network agreement (Internet Protocol, referred to as IP) business network, user-subscribed database (Subscription ProfileRepository, referred to as SPR) can with home subscriber server (Home Subscriber Server, referred to as HSS) unification.PCC realizes UE being access packet data network (Packet Data Network by above functional entity, referred to as PDN) IP that sets up connects the policy and charging control of Access Network (IP Connectivity Access Network, referred to as IP-CAN) session.
Fig. 1 is the schematic diagram according to the non-roaming framework of the PCC of correlation technique, as shown in Figure 1, the formulation of PCRF primary responsibility strategy and charging regulation, by Gx interface, the PCC of formulation strategy and charging regulation are handed down to PCEF, PCEF installs, perform PCC strategy, and report dependent event, charge information mutual with charge system.AF provides business information by Rx interface to PCRF, and SPR saves the business information that user contracts, the business information that PCRF can be contracted to SPR inquiring user by Sp interface.Online charging information is sent to Online Charging System (Online Charging System by Gy interface by PCEF, referred to as OSC) be responsible for the statistics of online charging, by Gz interface, offline charging information is sent to off-line accounting system (OfflineCharging System, referred to as OFCS).PCEF also can strengthen application measuring ability (Application Detection Control, referred to as ADC).Business measuring ability (Traffic Detection Function, referred to as TDF) is connected by Sd interface with PCRF, and the application detection control rule that TDF can issue according to pre-configured or PCRF is carried out application and detected and strategy execution.
In the related, after UE is established to the IP-CAN session of certain PDN, the resource that network provides acquiescence signing by the QoS of corresponding mandate for it.For IMS class business, then AF initiates IP-CAN session modification flow process, for this business provides resource authorization by providing new QoS information to PCRF, PCRF.For third party's business and non-IMS class business, between third-party application provider and PCRF, there is no interface (such as Rx interface), business information required for business resource authorization cannot be provided to PCRF.A kind of mode of improvement between third party's market demand provider and Operation Network PCRF, disposes one for quoting the network element performing application access control to third party, Fig. 2 is according to the non-roaming configuration diagram of the PCC disposing AAC function in correlation technique, as shown in Figure 2, Rx interface between this application access control network element and third party can use such as SOAP or restful protocol communication, and the Rx interface between PCRF can adopt based on Diameter or xml protocol communication.This application access control network element (application access control, referred to as AAC) have protocol conversion (Protocol Converter concurrently, referred to as PC) function, the protocol conversion between third party's market demand provider and PCRF can be realized, complete the transmission of application provider's information, business information, QoS demand and charge information.
Inventor finds, apply access control function in framework after more than strengthening and be deployed in user attaching network, when user roams into other network, the business third party's business that not only home network is signing can selected for user is there is in network, also comprise third party's business that visited place is signing, and be signed up in the business of the third party's network outside visited place and ownership place.Then need to solve the problem of carrying out charging with business and policy control realizing such business under roaming scence.Such as third party's service contracting acts on behalf of the accounting requirements of third party's charge by operator, if signing carrier network is not user attaching network or visited network, existing PCC roaming architecture cannot support that this business meets such demand.Such as third party's service contracting acts on behalf of its secure accessing to whole mobile operator network by particular operator, acts on behalf of the demand it being distinguished to resource authorization and charging proxy according to own user gradation, then directly cannot access from ownership place ground AAC.In a word, how to support carrying out of third party's market demand business of user under this kind of roaming scence, meet carrying out and operator needs of the above-mentioned business under roaming scence, become the problem needing to solve.
For the charging of the above-mentioned type business and the problem of policy control cannot be realized under roaming scence in correlation technique, so far any solution is not proposed.
Summary of the invention
The invention provides application connection control method and Application Function device, the charging of certain type service and the problem of policy control cannot be realized with what at least solve correlation technique.
According to an aspect of the present invention, provide a kind of application connection control method, comprising: Application Function AF, according to priority principle, selects the application access control network element AAC of access; Described AF sends information by described AAC to PCRF, and wherein, described information is used for making "Policy and Charging Rules Function entity PCRF implementation strategy and charging decisions.
Preferably, described AF selects access AAC to comprise according to described priority principle: described AF according to positional priority, the AAC of priority access network nearby; And/or described AF is according to signing priority, and priority access is contracted the high AAC of priority.
Preferably, when the belonging area network of subscriber equipment and access zone network are contracted simultaneously, described signing priority depends on roaming agreement.
Preferably, when disposing route agent DRA, the step that described AF sends described business information by described AAC to described PCRF comprises: described AAC sends message to described DRA; Described DRA selects correct PCRF according to described message; Described AF sends described information by described AAC to the PCRF that described DRA selects.
Preferably, the step that described AF sends described business information by described AAC to described PCRF comprises: when described belonging area network or described access zone network are contracted, and described AAC selects the PCRF access of subscription network; Described AF sends described information by described AAC to the PCRF that described AAC accesses.
Preferably, described method also comprises: described AAC carries out CAMEL-Subscription-Information inspection and/or resource and admission control to described AF access network.
According to another aspect of the present invention, additionally provide a kind of Application Function device, comprising: select module, for according to priority principle, select the application access control network element AAC of access; Sending module, for sending information by described AAC to PCRF, wherein, described information is used for making PCRF implementation strategy and charging decisions.
Preferably, described selection module is used for according to positional priority, the AAC of priority access network nearby; And/or for according to signing priority, priority access is contracted the high AAC of priority.
Preferably, when the belonging area network of subscriber equipment and access zone network are contracted simultaneously, described signing priority depends on roaming agreement.
Preferably, when disposing route agent DRA, sending module, correct PCRF for being selected to described DRA by described AAC sends information, wherein, described information is used for making PCRF implementation strategy and charging decisions, and described DRA is that the message sent according to described AAC selects described correct PCRF's.
By the present invention, adopt Application Function AF according to priority principle, select the application access control network element AAC of access; This AF sends information by this AAC to PCRF, and wherein, this information is used for making PCRF implementation strategy and charging decisions.What solve correlation technique cannot realize the charging of certain type service and the problem of policy control, achieves charging and the policy control of business.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the non-roaming framework of the PCC of correlation technique;
Fig. 2 is according to the non-roaming configuration diagram of the PCC disposing AAC function in correlation technique;
Fig. 3 is the flow chart of the application connection control method according to the embodiment of the present invention;
Fig. 4 is the structured flowchart of the Application Function device according to the embodiment of the present invention;
Fig. 5-1 accesses AAC configuration diagram (LBO) nearby according to the AF of the embodiment of the present invention;
Fig. 5-2 accesses AAC configuration diagram (HR) nearby according to the AF of the embodiment of the present invention;
Fig. 6 be according to the embodiment of the present invention according under position dominance relation access AAC framework, AF initiates AF session by 3rd party AAC, triggers the schematic flow sheet of IP-CAN session modification;
Fig. 7-1 be according to the embodiment of the present invention access AAC framework nearby according to position under, AF according to contract signing relationship access visited place AAC configuration diagram (LBO);
Fig. 7-2 is according to contract signing relationship access belonging area AAC configuration diagram (LBO) according to the AF of the embodiment of the present invention;
Fig. 7-3 is according to contract signing relationship access belonging area AAC configuration diagram (HR) according to the AF of the embodiment of the present invention;
Fig. 8 is that AF initiates AF session by HAAC, triggers the schematic flow sheet of IP-CAN session modification according under the basis of the embodiment of the present invention signing dominance relation access AAC framework.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
In the present embodiment, provide a kind of application connection control method, Fig. 3 is the flow chart of the application connection control method according to the embodiment of the present invention, and as shown in Figure 3, this flow process comprises the steps:
Step S302, AF, according to priority principle, select the AAC of access;
Step S304, this AF send information by the AAC selected to PCRF, and wherein, this information is used for making PCRF implementation strategy and charging decisions.
By above-mentioned steps, AF can select AAC, and is processed accordingly by the AAC of this selection, thus solve correlation technique cannot realize the charging of certain type service and the problem of policy control, achieve charging and the policy control of business.
Priority principle by a variety of, preferably, can provide two kinds of excellent modes compared: the first is in the present embodiment: AF according to positional priority, the AAC of priority access network nearby; The second, AF is according to signing priority, and priority access is contracted the high AAC of priority.These two kinds of modes can be used alone and also can be combined.
Preferably, signing priority can be formulated according to different situations, such as, when the belonging area network of subscriber equipment and access zone network are contracted simultaneously, signing priority depends on roaming agreement, as a ratio preferably mode, the signing priority of belonging area network can higher than access zone network.
As another preferred implementation, when needs carry out selection PCRF, and in deployment route agent (Diameter Routing Agent, referred to as DRA), AAC can send message to DRA; This DRA selects correct PCRF according to this message; Then, AF sends above-mentioned information by AAC to the PCRF that this DRA selects.
In another preferred embodiment, when this belonging area network or this access zone network are contracted, this AAC selects the PCRF access of subscription network; This AF sends this information by this AAC to the PCRF that this AAC accesses.
Preferably, this AAC can also carry out CAMEL-Subscription-Information inspection and/or resource and admission control to AF access network.
In the present embodiment, additionally provide a kind of Application Function, this device, for realizing above-mentioned method, to have carried out explanation, had not repeated them here in above-described embodiment and preferred implementation.It should be noted that, the title of the module in following apparatus does not form the actual restriction to this module, such as, selects module can be expressed as " for selecting the module of the application access control network element AAC of access according to priority principle ".Fig. 4 is the structured flowchart of the Application Function device according to the embodiment of the present invention, and as shown in Figure 4, this structure comprises: select module 42 and sending module 44.Below this structure is described.
Select module 42, for according to priority principle, select the application access control network element AAC of access;
Sending module 44, for sending information by AAC to PCRF, wherein, this information is used for making PCRF implementation strategy and charging decisions.
Preferably, select module 42 for according to positional priority, the AAC of priority access network nearby; And/or for according to signing priority, priority access is contracted the high AAC of priority.
Be described below in conjunction with two preferred embodiments.
In following two preferred embodiments, provide the scheme of the application access control under user's roaming scence, make user can use third party's business independent of access zone network and belonging area network under roaming scence.
In following two preferred embodiments, under roaming scence, third-party AF initiates the scheme of AF session by AAC:
(1) AF is according to deployment (deployment) priority, the AAC of priority access on-premise network nearby; And/or,
(2) AF is according to signing (collaboration) priority, and priority access is contracted the high AAC of priority, (such as, when visited network and home network are simultaneously signing and home network priority height time preferentially access from home network AAC);
AF initiates the request of AF session establishment by AAC to HPCRF, carries business information in request message;
Information (business to the described AF asks) implementation strategy that HPCRF or VPCRF carries according to this request message and charging decisions.
Preferably, dispose when visited place or ownership place exist multiple PCRF, when AAC needs to carry out PCRF selection by DRA, defer to prior art and select, namely request is sent to DRA by AAC, and DRA identifies according to UE ID/IP and PDN, selects correct PCRF.Here UE ID refers to the mark of operator contracted user, such as MSISDN or IMSI number.
Embodiment one
Under Fig. 5-1 and 5-2 is respectively roaming LBO and HR scene, third party's market demand provider (AF), according to position (location) priority, preferentially accesses AAC configuration diagram nearby.There is signing (collaboration) relation between the network that in this framework, this AAC belongs to and third party's market demand provider, namely AF can be addressed to AAC by direct routing, and AAC can carry out route to AF access to mobile network.Alternatively, AAC can carry out signing inspection and resource and admission control to AF access to mobile network, such as AAC can check the CAMEL-Subscription-Information of this network and AF, AAC by the CAMEL-Subscription-Information that obtains in storage inside or subscribed database as AF list, the CAMEL-Subscription-Information such as the consumption threshold value of ASP ID, AF and business rate check; The overall QoS signing to AF carries out resource and admission control, and such as, when the current total number of users of AF or total bandwidth or total consumption exceed signing value, AAC can carry out the call access control such as resource adaptation or service denial according to User Priority.
Fig. 6 is the present embodiment third party market demand provider preferentially accesses AAC framework nearby embodiment flow chart according to position, and as shown in Figure 6, AF accesses AAC nearby, initiates AF session by AAC, and the flow process triggering IP-CAN session modification specifically comprises the following steps:
Step S601, set up in the process of IP-CAN session in UE request, the gateway that PCEF is positioned at receives IP-CAN session establishment request message, wherein, carries the PDN mark of the PDN network of user ID and request access in this IP-CAN session establishment request message.
Step S602, PCEF send IP-CAN session establishment Indication message to PCRF, wherein, carry user ID, PDN mark and the IP address for UE distribution in this IP-CAN session establishment Indication message.
After step S603, PCRF also judge the CAMEL-Subscription-Information of not this user according to user ID, send signing document request to SPR, and in this signing document request, carry user ID and PDN mark.
Step S604, SPR return corresponding user signing contract information (being returned by signing document response) according to user ID and PDN mark.
Step S605, PCRF to generate strategy decision-making according to the access information etc. of the user signing contract information returned, network strategy, UE.Wherein, formulation PCC rule and event trigger can be comprised.
Step S606, PCRF send IP-CAN session establishment acknowledge message to PCEF, wherein, carry PCC rule, event trigger in this IP-CAN session establishment acknowledge message.
Step S607, PCEF mounting strategy, the gateway that PCEF is positioned at returns the response of IP-CAN session establishment to UE, wherein, carries IP address in the response of this IP-CAN session establishment.
Step S608, if online charging, PCEF sends CCR message to OCS, activate online charging session, there is provided corresponding input information to carry out decision-making to OCS, PCEF carries charging key, or Charging key & service ID asks credit information to OCS.
Whether step S609, OCS provide credit authorization information to PCEF according to request message and CAMEL-Subscription-Information decision-making, in CCA message, return to PCEF.
Step S610, UE are connected with the AS/AF of third party's market demand provider and requested service, and this AS/AF sends AF session request to AAC, triggers the AF session of setting up with PCRF.The business information such as UE ID, UE IP, business datum stream description is carried in request message.
Third-party application provider AF, according to deployment (such as topological structure or geographical position) priority principle, initiates request (such as, geographical position nearest or topological relation is nearest) to its AAC disposing the highest carrier network of priority.Here the agreement between 3rd PartyAF and AAC does not limit; Citing can be SOAP or restful agreement etc.The carrier network at this AAC place, is not defined as belonging area network or the access zone network of this UE, can be the third-party operator's network outside both; The network that deployment priority is the highest is to the scene of ownership place or access zone network, then direct access belonging area or access zone network AAC.
Step S611, third party network A AC send the request of AF session establishment to HPCRF, carry the content of carrying in S610 in message;
Alternatively, home network AAC can access as the proxy route of third party network A AC and HPCRF, specifically depends on operation demand and network design;
Step S612, the AF session informations such as the business information that HPCRF provides according to AAC, service provider's information, charge information, the CAMEL-Subscription-Information that SPR provides, and the IP-CAN session information that PCEF provides, carry out strategic decision-making, decision-making, whether to this service authorization QoS and generation PCC rule, generates respective rule and corresponding subscription event.If AF has consumption threshold value to provide or the consumption of this business of having contracted monitoring, also need simultaneously to PCEF issue consumption monitoring keyword and threshold value consumption monitoring is carried out to this business;
If HPCRF refuses to authorize, so HPCRF returns refuse information to AAC, AF service fail, and flow process terminates;
Step S613, HPCRF provide PCC rule to install to PCEF and perform, to carrying the rule and event subscription that generate in step S612 in the RAR message of PCEF, and possible consumption monitoring relevant information, specifically as S612 describes in detail;
Step S614, PCEF install and after implementation strategy, return acknowledge message to H-PCRF;
Step S615, PCEF according to the rule received and event information, executing rule coupling and the modification process process of the IP-CAN such as bearing modification or establishment session; If PCRF or AF have subscribed regular execution result or resource allocation result feedback, then execution result reports by PCEF by initiation CCR message;
By above step, can completing user under roaming scence, for the use flow process of third party's business; Wherein:
For DRA scene, namely there is the scene that multiple HPCRF needs to be undertaken by DRA PCRF selection in home network, the AF request of AAC sends to H-DRA, and H-DRA identifies according to UE ID/IP and PDN, selects the PCRF of correct HPCRF(such as IP-CAN session association); For visited place DRA scene, if namely third party AAC needs to carry out VPCRF selection from VPCRF access, ditto describe, AAC transmit a request to VDRA, and VDRA identifies according to UE ID/IP and PDN and selects correct VPCRF.Here UE ID refers to the mark of operator contracted user, such as MSISDN or IMSI number.
For roaming scence, this business if visited network and home network have all been contracted, then third party AAC can select (such as prioritizing selection home network HPCRF) access according to both priority; The present embodiment does not limit the realization that AAC judges whether to contract, and citing AAC can judge according to IP address, and access scene IP address, visited place is distributed by visited network, and ownership place access scene IP address is distributed by home network, can distinguish the scene of roaming thus.For only having ownership place and access zone network to contract scene, third party AAC selects the PCRF access of subscription network; If access zone network VPCRF accesses, VPCRF by S9 interface and HPCRF mutual, the business information transmitting AF is used for strategic decision-making to HPCRF, and the dependency rule that decision-making is produced by S9 interface by HPCRF and consumption threshold value and all kinds of event subscription return to VPCRF and install execution to GW.For all signing scene of visited place and ownership place, can according to the roaming agreement of third party's network and home network/visited network, based on S9 interface or the Gx mouth mode of DRA route, transport service information is to PCRF decision-making.
Embodiment two
Under Fig. 7-1,7-2 and 7-3 are respectively roaming visited place access LBO and ownership place access HR scene, third party's market demand (AF) has the AAC access architecture figure of contract signing relationship according to signing (agreement/collaboration) priority access.Wherein: Fig. 7-1 is that under LBO scene, AF is only signed up in access zone network, AF accesses the Organization Chart of visited place AAC; Fig. 7-2 is under LBO scene, and AF is signed up in belonging area network or contract visit and home network simultaneously, and (according to different priorities, AF is accessible visited place AAC also for the Organization Chart of AF access belonging area AAC; Here with access belonging area AAC for illustrating); Fig. 7-3 is under HR scene, and AF is signed up in belonging area network or contract visit and home network simultaneously, the Organization Chart of AF access belonging area AAC.AF and ownership place and visited place are all without signing, and signing with third party's network, and AF accesses the Organization Chart of third party network A AC see Fig. 7-1 and 7-2.
There is signing (collaboration) relation between the network that in this framework, this AAC belongs to and third party's market demand provider, namely AF can be addressed to AAC by direct routing, and AAC can carry out route to AF access to mobile network.AAC can carry out signing inspection and resource and admission control to AF access to mobile network alternatively further, such as AAC can check the CAMEL-Subscription-Information of this network and AF, AAC by the CAMEL-Subscription-Information that obtains in storage inside or subscribed database as AF list, the CAMEL-Subscription-Information such as the consumption threshold value of ASP ID, AF and business rate check; The overall QoS signing to AF carries out resource and admission control, and such as, when the current total number of users of AF or total bandwidth or total consumption exceed signing value, AAC can carry out the call access control such as resource adaptation or service denial according to User Priority.
Fig. 8 is the embodiment flow chart of the present embodiment third party market demand provider according to contract signing relationship (such as cooperation relation) priority access AAC framework, as shown in Figure 8, AF accesses the AAC of the highest network of its signing priority according to cooperation relation priority, initiate AF session by AAC, the flow process triggering IP-CAN session modification specifically comprises the following steps:
Step S801, set up in the process of IP-CAN session in UE request, the gateway that PCEF is positioned at receives IP-CAN session establishment request message, wherein, carries the PDN mark of the PDN network of user ID and request access in this IP-CAN session establishment request message.
Step S802, PCEF send IP-CAN session establishment Indication message to PCRF, wherein, carry user ID, PDN mark and the IP address for UE distribution in this IP-CAN session establishment Indication message.
After step S803, PCRF also judge the CAMEL-Subscription-Information of not this user according to user ID, send signing document request to SPR, and in this signing document request, carry user ID and PDN mark.
Step S804, SPR return corresponding user signing contract information according to user ID and PDN mark.
Step S805, PCRF to generate strategy decision-making according to the access information etc. of the user signing contract information returned, network strategy, UE.Wherein, formulation PCC rule and event trigger can be comprised.
Step S806, PCRF send IP-CAN session establishment acknowledge message to PCEF, wherein, carry PCC rule, event trigger in this IP-CAN session establishment acknowledge message.
Step S807, PCEF mounting strategy, the gateway that PCEF is positioned at returns the response of IP-CAN session establishment to UE, wherein, carries IP address in the response of this IP-CAN session establishment.
Step S808, if online charging, PCEF sends CCR message to OCS, activate online charging session, there is provided corresponding input information to carry out decision-making to OCS, PCEF carries charging key, or Charging key & service ID asks credit information to OCS.
Whether step S809, OCS provide credit authorization information to PCEF according to request message and CAMEL-Subscription-Information decision-making, in CCA message, return to PCEF.
Step S810, UE are connected with the AS/AF of third party's market demand provider and requested service, and this AS/AF sends AF session request to AAC, triggers the AF session of setting up with PCRF.The business information such as UE ID, UE IP, business datum stream description is carried in request message.
Third-party application provider AF is according to contract signing relationship priority principle, (such as home network and access zone network are contracted simultaneously to initiate request according to contract signing relationship and signing priority to the AAC of its signing carrier network, home network has precedence over visited network, or visited network has precedence over home network).Here the communication protocol between 3rd Party AF and AAC does not limit; Citing can be SOAP or restful agreement etc.The carrier network at this AAC place, is not defined as belonging area network or the access zone network of this UE, can be the third-party operator's network outside both; AAC home network is to the scene of ownership place or access zone network, can directly access belonging area or access zone network PCRF.
Step S811, third party network A AC send the request of AF session establishment to HPCRF, carry the content of carrying in S810 in message;
Home network AAC can access as the proxy route of third party network A AC and HPCRF alternatively, specifically depends on operation demand and network design;
Step S812, the AF session informations such as the business information that HPCRF provides according to AAC, service provider's information, charge information, the CAMEL-Subscription-Information that SPR provides, and the IP-CAN session information that PCEF provides, carry out strategic decision-making, decision-making, whether to this service authorization QoS and generation PCC rule, generates respective rule and corresponding subscription event.If AF/AAC has consumption threshold value to provide or the consumption of this business of having contracted monitoring, also need simultaneously to PCEF issue consumption monitoring keyword and threshold value consumption monitoring is carried out to this business;
If HPCRF refuses to authorize, so HPCRF returns refuse information to AAC, AF service fail, and flow process terminates;
Step S813, HPCRF provide PCC rule to install to PCEF and perform, to carrying the rule and event subscription that generate in step S812 in the RAR message of PCEF, and possible consumption monitoring relevant information, specifically as S812 describes in detail;
Step S814, PCEF install and after implementation strategy, return acknowledge message to H-PCRF;
Step S815, PCEF according to the rule received and event information, executing rule coupling and the modification process process of the IP-CAN such as bearing modification or establishment session; If PCRF or AF have subscribed regular execution result or resource allocation result feedback, then execution result reports by PCEF by initiation CCR message;
By above step, can completing user under roaming scence, for the use flow process of third party's business; Wherein:
For DRA scene, namely there is the scene that multiple HPCRF needs to be undertaken by DRA PCRF selection in home network, the AF request of AAC sends to H-DRA, and H-DRA identifies according to UE ID/IP and PDN, selects the PCRF of correct HPCRF(such as IP-CAN session association); For visited place DRA scene, if namely third party AAC needs to carry out VPCRF selection from VPCRF access, ditto describe, AAC transmit a request to VDRA, and VDRA identifies according to UE ID/IP and PDN and selects correct VPCRF.Here UE ID refers to the mark of operator contracted user, such as MSISDN or IMSI number.
For roaming scence, this business if visited network and home network have all been contracted, then third party AAC can select PCRF to access according to default priority (such as prioritizing selection home network); The present embodiment does not limit the realization that AAC judges whether to contract, and citing AAC can judge according to IP address, and access scene IP address, visited place is distributed by visited network, and ownership place access scene IP address is distributed by home network, can distinguish the scene of roaming thus.To contract scene for only having ownership place and access zone network, third party AAC selects the PCRF access of subscription network, if access zone network VPCRF accesses, VPCRF by S9 interface and HPCRF mutual, the business information transmitting AF is used for strategic decision-making to HPCRF, and the dependency rule that decision-making is produced by S9 interface by HPCRF and consumption threshold value and all kinds of event subscription return to VPCRF and install execution to GW; Or the decision-making of VPCRF local policy and carry out generate rule and be handed down to GW install perform.All do not contracted in visited place and ownership place, the only scene of signing third party's network, can according to the roaming agreement of third party's network and home network/visited network, based on DRA routing mode between S9 interface between net or the net of Gx mouth, transport service information is to HPCRF/VPCRF decision-making.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. apply a connection control method, it is characterized in that comprising:
Application Function AF, according to priority principle, selects the application access control network element AAC of access;
Described AF sends information by described AAC to PCRF, and wherein, described information is used for making "Policy and Charging Rules Function entity PCRF implementation strategy and charging decisions.
2. method according to claim 1, is characterized in that, described AF selects access AAC to comprise according to described priority principle:
Described AF according to positional priority, the AAC of priority access network nearby; And/or,
Described AF is according to signing priority, and priority access is contracted the high AAC of priority.
3. method according to claim 2, is characterized in that, when the belonging area network of subscriber equipment and access zone network are contracted simultaneously, described signing priority depends on roaming agreement.
4. according to the method in any one of claims 1 to 3, it is characterized in that, when disposing route agent DRA, the step that described AF sends described business information by described AAC to described PCRF comprises:
Described AAC sends message to described DRA;
Described DRA selects correct PCRF according to described message;
Described AF sends described information by described AAC to the PCRF that described DRA selects.
5. according to the method in any one of claims 1 to 3, it is characterized in that, the step that described AF sends described business information by described AAC to described PCRF comprises:
When described belonging area network or described access zone network are contracted, described AAC selects the PCRF access of subscription network;
Described AF sends described information by described AAC to the PCRF that described AAC accesses.
6. according to the method in any one of claims 1 to 3, it is characterized in that, described method also comprises:
Described AAC carries out CAMEL-Subscription-Information inspection and/or resource and admission control to described AF access network.
7. an Application Function device, is characterized in that comprising:
Select module, for according to priority principle, select the application access control network element AAC of access;
Sending module, for sending information by described AAC to PCRF, wherein, described information is used for making PCRF implementation strategy and charging decisions.
8. Application Function device according to claim 7, is characterized in that,
Described selection module is used for according to positional priority, the AAC of priority access network nearby; And/or for according to signing priority, priority access is contracted the high AAC of priority.
9. Application Function device according to claim 8, is characterized in that, when the belonging area network of subscriber equipment and access zone network are contracted simultaneously, described signing priority depends on roaming agreement.
10. the Application Function device according to any one of claim 7 to 9, is characterized in that, when disposing route agent DRA,
Sending module, send information for the correct PCRF selected to described DRA by described AAC, wherein, described information is used for making PCRF implementation strategy and charging decisions, and described DRA is that the message sent according to described AAC selects described correct PCRF's.
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| CN201310483024.2A CN104581670B (en) | 2013-10-15 | 2013-10-15 | Using connection control method and Application Function device |
| PCT/CN2014/086450 WO2015055063A1 (en) | 2013-10-15 | 2014-09-12 | Application access control method and application function entity apparatus |
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| CN201310483024.2A CN104581670B (en) | 2013-10-15 | 2013-10-15 | Using connection control method and Application Function device |
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| US11856501B2 (en) | 2016-06-21 | 2023-12-26 | Huawei Technologies Co., Ltd. | Systems and methods for user plane path selection, reselection, and notification of user plane changes |
| CN112637922A (en) * | 2016-06-21 | 2021-04-09 | 华为技术有限公司 | System and method for user plane path selection, reselection and notification of user plane changes |
| US11184830B2 (en) * | 2016-06-21 | 2021-11-23 | Huawei Technologies Co., Ltd. | Systems and methods for user plane path selection, reselection, and notification of user plane changes |
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| CN110557744A (en) * | 2018-05-31 | 2019-12-10 | 华为技术有限公司 | Method for subscribing event and network function network element |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015055063A1 (en) | 2015-04-23 |
| CN104581670B (en) | 2019-03-15 |
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