CN102137367B - Method and system, PCC system that the strategy strengthened and charging control - Google Patents

Method and system, PCC system that the strategy strengthened and charging control Download PDF

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Publication number
CN102137367B
CN102137367B CN201010101323.1A CN201010101323A CN102137367B CN 102137367 B CN102137367 B CN 102137367B CN 201010101323 A CN201010101323 A CN 201010101323A CN 102137367 B CN102137367 B CN 102137367B
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charging
business
pcrf
tdef
rule
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CN102137367A (en
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周晓云
孙闵
郭文洁
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2010/079119 priority patent/WO2011091683A1/en
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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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/02—Capturing of monitoring data
    • H04L43/028—Capturing of monitoring data by filtering
    • 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
    • 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

Abstract

The invention discloses a kind of strategy of enhancing and the method for charging control, in PCC system, arrange TDEF, described TDEF is connected between PCRF and charge system; Described method comprises: when described PCRF formulates PCC rule, determines whether the control business data flow with described PCC rule match being carried out to more than four layers strategies and charging; Described PCRF, to strategy with when controlling n-back test entity PCEF transmission PCC rule, indicates whether the control business data flow with described PCC rule match being carried out to more than four layers strategies and charging; And when being designated as and being, the rule of described business data flow being carried out to more than four layers strategies and charging control is sent to described TDEF; Described TDEF carries out the charging of more than four layers to business, and provides corresponding charge information to charge system.The invention discloses system and PCC system that a kind of strategy of enhancing and charging control.Present invention achieves and multi-level, multidimensional charging control is carried out to business datum.

Description

Method and system, PCC system that the strategy strengthened and charging control
Technical field
The present invention relates to the strategy of enhancing and the technology of charging control (PCC, PolicyandChargingControl), particularly relate to a kind of strategy of enhancing and the method and system of charging control, and PCC system.
Background technology
Third generation partner program (3GPP, PCC system 3rdGenerationPartnershipProject) is a functional framework that can be applied to multiple access technology, such as, it can be applied to universal mobile telecommunications system (UMTS, UniversalMobileTelecommunicationsSystem) terrestrial radio access network (UTRAN, UMTSTerrestrialRadioAccessNetwork), global system for mobile communications (GSM, GlobalsystemforMobileCommunication)/GSM data strengthen evolution (EDGE, EnhancedDataratesforGlobalEvolution) wireless access network, grouping system (the EPS of intercommunicated wireless local area network (I-WLAN) and evolution, EvolvedPacketSystem) etc.
Fig. 1 is the non-roaming configuration diagram of Rel-8PCC of correlation technique, as shown in Figure 1, PCC system comprises user-subscribed database (SPR, SubscriptionProfileRepository), Application Function (AF, ApplicationFunction), strategy and charging regulation function entity (PCRF, PolicyandChargingRuleFunction), bearing binding and event reporting function entity (BBERF, BearerBindingandEventReportingFunction), strategy and control n-back test entity (PCEF, and charge system PolicyandControlEnforcementFunction), wherein, SPR is connected with PCRF by Sp interface, AF is connected with PCRF by Rx interface, BBERF is connected with PCRF by Gxx interface, PCEF is connected with PCRF by Gx interface, charge system comprises line charge system (OCS, OnlineChargingSystem) and off-line accounting system (OFCS, OfflineChargingSystem), and PCEF is connected to OCS by Gy interface, and PCEF is connected to OFCS by Gz interface.Referring to Fig. 1, each logical functional entity in PCC system and interface function thereof are described:
AF is for providing the access point of service application, and the Internet resources that these service application use need to carry out dynamic strategy and charging control.When service surface carries out parameter negotiation, related service information is passed to PCRF by AF.If these business information are consistent with the strategy of PCRF, then PCRF accepts this negotiation; Otherwise PCRF refuses this negotiation, and provide the acceptable service parameter of PCRF in feedback simultaneously.Subsequently, these parameters can be returned to subscriber equipment (UE, UserEquipment) by AF.Wherein, the interface between AF and PCRF is Rx interface.
PCRF is the core of PCC, is responsible for the formulation of strategic decision-making and charging regulation.PCRF provides the network control rule based on business data flow, these network controls comprise the detection of business data flow, gate (GatingControl), service quality (QoS, QualityofService) control and based on the charging regulation etc. of data flow.The strategy that PCRF is formulated and charging regulation send to PCEF to perform, and meanwhile, PCRF also needs to ensure that these rules are consistent with the CAMEL-Subscription-Information of user.PCRF generate strategy with charging regulation according to comprising: obtain the information relevant to business from AF; Obtain and user policy, billing control and subscription information from SPR; The information with carrying network of relation is obtained from PCEF.
PCEF is usually located in gateway (GW, Gate-Way), performs the strategy formulated of PCRF and charging regulation at loading end.Business datum flow filter in the rule that PCEF sends according to PCPF detects business data flow, and then performs to these business data flows the strategy and charging regulation that PCPF formulates.When carrying is set up, the rule that PCEF sends according to PCRF carries out QoS mandate, and carries out gate control according to the execution of AF.According to the charging regulation that PCRF sends, PCEF performs the operation of corresponding service data flow charge, and charging both can be online charging, also can be offline charging.If online charging, then PCEF needs to carry out credit management together with OCS.During offline charging, exchange correlation charge information between PCEF and OFCS.Interface between PCEF and PCPF is Gx interface, and the interface between OCS is Gy interface, and the interface between OFCS is Gz interface.PCEF is generally positioned on the gateway of network, as the GGSN (GGSN, GatewayGPRSSupportNode) in GPRS and the packet data gateway (PDG, PacketDataGateway) in I-WLAN.
BBERF is used for bearing binding, the checking of up bearing binding and event report.When UE is accessed by E-UTRAN, and adopt mobility management protocol to be the mobile IP v 6 (DSMIPv6 supporting two stack between S-GW and P-GW, MoblieIPv6supportfordualstackHostsandRouters) during agreement, BBERF is located in S-GW, when UE is by the access of trusted non-3 GPP access system, BBERF is positioned at trusted non-3 GPP access gateway, when UE by the access of trustless non-3 GPP access system time, BBERF is positioned at packet data gateway (ePDG, the EvolvedPacketDataGateway of evolution.Now, PCEF no longer performs bearing binding function.
SPR stores the user policy, billing control and subscription information relevant to charging with charging control with strategy.Interface between SPR and PCRF is Sp interface.
The control and management of user credit under online charging mode is carried out together with OCS with PCEF.OFCS and PCEF completes the billing operation under offline charging mode together.
It is the policy and charging control of the IP-CAN session that access packet data network (PDN, PacketDataNetwork) is set up that PCC system is achieved UE by above each functional entity.PCC system makes to become possibility to multi-level, the multidimensional charging of user.For online charging, when UE is accessed by Access Network, mutual by PCEF and OCS, carry out diameter credit control.PCEF provides bearing bed charge information to charge system, identifies with Access Network charging identifier (Access-Network-Charging-Identifier, also referred to as bearing bed charging identifier).Application server also provides application layer charge information to charge system simultaneously, and utilize application function charging identifier (AF-Charging-Identifier) to identify, this charging identifier is produced by AF and sends to relevant application server.AF self also can provide application layer charge information to charge system, identifies equally with AF-Charging-Identifier.The charge information that AF or application server produce is application layer charge information.Access Network charging identifier reports AF and other application servers by PCRF, and the charge information of application layer comprises the charging identifier of bearing bed.And comprise application function charging identifier in the bearing bed charge system produced by PCEF.Like this, the charge information of user's two levels just can be associated by these two charging identifier by charge system, thus realizes the charging of, various dimensions multi-level to user's access service.
But, in existing network application, under a lot of scene, there is no AF.IP Multimedia System (IMS, etc. IMSIPMultimediaSubsystem) business of dialogue-based class can adopt initial session protocol (SIP, SIPSessionInitiationProtocol, the signaling control protocol of an application layer) operation layer that conversates of signaling consults (as code encoding/decoding mode, medium type, required bandwidth etc.), the notification of business information PCRF that P-CSCF (AF namely in PCC system) will consult, and carry out QoS mandate by PCRF.And the business of a large amount of non-session class in existing network, as the voice (VoIP of current application IP based network, VoiceOverInternetProtocol), IPTV (IPTV, IPTVInternetProtocolTelevision), the business etc. such as video request program (VoD, VODVideo-On-Demand), online game can not be carried out the media negotiation of application layer and business information be sent to the process of PCRF.
Summary of the invention
In view of this, main purpose of the present invention is the method and system providing a kind of strategy of enhancing and charging to control, and PCC system, can realize the strategy to non-session class business and charging control, can carry out the billing operation of more than four layers especially to business.
For achieving the above object, technical scheme of the present invention is achieved in that
The method that the strategy of enhancing and charging control, the business that arranges in strategy and charging control PCC system detects n-back test entity TDEF; Described method comprises:
Described TDEF performs charging according to the business executing rule that "Policy and Charging Rules Function entity PCRF formulates and controls.
Preferably, described method also comprises:
When described PCRF formulates PCC rule, after determining that the control of more than four layers strategies and charging is carried out to the business data flow with described PCC rule match, formulate described business executing rule and send to described TDEF;
Described PCRF, to strategy with when controlling n-back test entity PCEF transmission PCC rule, indicates the control business data flow with described PCC rule match being carried out to more than four layers strategies and charging;
Described TDEF controls the charging that business data flow carries out more than four layers, and provides corresponding charge information to charge system.
Preferably, described method also comprises:
During the business that described TDEF did not report to described PCRF before detecting in business data flow according to business detected rule, not to the business that described PCRF reported described in reporting to described PCRF;
Described PCRF for described in the business do not reported to described PCRF formulate PCC rule, after determining that the control of more than four layers strategies and charging is carried out to the business data flow with described PCC rule match simultaneously, formulate business executing rule and also send to described TDEF;
The credit that described TDEF please look for novelty to Online Charging System and/or return remaining credit, for described TDEF detects that business carries out the online charging of more than four layers.
Preferably, described method also comprises:
During the business that described TDEF did not report to described PCRF before detecting in business data flow according to described business detected rule, for before described not to the traffic assignments application charging identifier that described PCRF reported, and send to described PCRF.
Preferably, described method also comprises:
Described PCRF receive that described TDEF reports before report to described PCRF business time, for described before not to the traffic assignments application charging identifier that described PCRF reported, and send to described TDEF.
Preferably, described method also comprises:
Described application charging identifier corresponding for described PCC rule is sent to described PCEF by described PCRF;
Described PCEF reports Access Network charging identifier, described application charging identifier and bearing charging information to off-line accounting system;
Described off-line accounting system preserves described Access Network charging identifier, described application charging identifier and bearing charging information, realizes the offline charging of business.
Preferably, described method also comprises:
Described Access Network charging identifier corresponding for described business executing rule is sent to described TDEF by described PCRF;
Described TDEF reports Access Network charging identifier, described application charging identifier and application charge information to off-line accounting system;
Described off-line accounting system preserves described Access Network charging identifier, described application charging identifier and described application charge information, realizes the offline charging of business.
Preferably, described bearing charging information associates with described application charge information according to described Access Network charging identifier, described application charging identifier by described off-line accounting system.
Preferably, described charge system comprises Online Charging System OCS and off-line accounting system OFCS, is connected between described TDEF with described OCS by Gy interface, is connected between described TDEF with described OFCS by Gz interface.
A kind of PCC system, comprise user-subscribed database SPR, AF, PCRF, BBERF, PCEF and charge system, described SPR, described AF, described BBERF are connected with described PCRF respectively with described PCEF, and described PCEF is connected to described charge system; Described PCC system also comprises TDEF, is connected respectively with described PCRF, described charge system; Described TDEF performs charging according to the business executing rule that "Policy and Charging Rules Function entity PCRF formulates and controls.
Preferably, be connected by Sx interface between described TDEF with described PCRF.
Preferably, described charge system comprises Online Charging System OCS and off-line accounting system OFCS, is connected between described TDEF with described OCS by Gy interface, is connected between described TDEF with described OFCS by Gz interface.
The system that the strategy of enhancing and charging control, comprises setting unit, formulates unit and performance element; Wherein:
Setting unit, for arranging TDEF in PCC system;
Formulate unit, for formulating PCC rule, business detected rule and business executing rule;
Performance element, the business executing rule for formulating according to PCRF performs charging and controls.
Preferably, described system also comprises determining unit, the first transmitting element, the second transmitting element and charging and providing unit, wherein:
Determining unit, during for formulating PCC rule at described formulation unit, after determining to carry out the control of more than four layers strategies and charging to the business data flow with described PCC rule match, triggers described formulation unit and formulates business executing rule further;
First transmitting element, for by described business detected rule or/and business executing rule sends to described TDEF;
Second transmitting element, for sending PCC rule to PCEF, and instruction carries out the control of more than four layers strategies and charging to the business data flow with described PCC rule match;
Charging and providing unit, control for charging business data flow being carried out to more than four layers, and provide corresponding charge information to charge system.
Preferably, described system also comprises detecting unit and reports unit, wherein:
Detecting unit, for detecting business data flow according to described business detected rule, during the business do not reported to described PCRF before detecting, triggering and reporting unit;
Report unit, for described in reporting to described PCRF not to the business that described PCRF reported;
Described formulation unit for described in the business do not reported to described PCRF formulate PCC rule, when described determining unit is determined to carry out the control of more than four layers strategies and charging to the business data flow with described PCC rule match further, described formulation unit formulates business executing rule, and sends to described TDEF by described first transmitting element.
Preferably, described system also comprises:
First allocation units, for before detecting to described detecting unit not to the traffic assignments application charging identifier that described PCRF reported; Described application charging identifier is reported described PCRF by the described unit that reports further.
Preferably, described system also comprises:
Second allocation units, for before reporting for described TDEF not to the traffic assignments application charging identifier that described PCRF reported, and send to described TDEF by described first transmitting element.
Preferably, described application charging identifier corresponding for described PCC rule is sent to described PCEF by described second transmitting element;
Described PCEF provides Access Network charging identifier, described application charging identifier and bearing charging information to off-line accounting system; Described off-line accounting system preserves described Access Network charging identifier, described application charging identifier and bearing charging information, realizes the offline charging of business.
Preferably, described system also comprises:
Described application charging identifier corresponding for business executing rule is sent to described TDEF by described first transmitting element;
Described TDEF reports Access Network charging identifier, described application charging identifier and application charge information to off-line accounting system; Described off-line accounting system preserves described Access Network charging identifier, described application charging identifier and described application charge information, realizes the offline charging of business.
Preferably, described bearing charging information associates with application charge information according to described Access Network charging identifier, described application charging identifier by described off-line accounting system.
In the present invention, business detecting function (TDF is set up in current PCC system, TrafficDetectionFunction), realize detecting the information of business data flow more than four layers, there is provided business information will be abundanter to PCRF like this, be conducive to PCRF and carry out strategic decision-making, the billing operation to business more than four layers can be realized, thus achieve and multi-level, multidimensional charging is carried out to business datum control.
Accompanying drawing explanation
Fig. 1 is the non-roaming configuration diagram of Rel-8PCC of correlation technique;
Fig. 2 is PCC system of the present invention composition structural representation;
Fig. 3 is the flow chart of the embodiment of the method one that the strategy that strengthens of the present invention and charging control;
Fig. 4 is the flow chart of the embodiment of the method two that the strategy that strengthens of the present invention and charging control;
Fig. 5 is the flow chart of the embodiment of the method three that the strategy that strengthens of the present invention and charging control;
Fig. 6 is the one composition structural representation of the system that the strategy that strengthens of the present invention and charging control;
Fig. 7 is the another kind composition structural representation of the system that the strategy that strengthens of the present invention and charging control;
Fig. 8 is the second composition structural representation of the system that the strategy that strengthens of the present invention and charging control.
Embodiment
Basic thought of the present invention is: in current PCC system, set up business detecting function (TDF, TrafficDetectionFunction), realize detecting the information of business data flow more than four layers, there is provided business information will be abundanter to PCRF like this, be conducive to PCRF and carry out strategic decision-making, can billing operation to business more than four layers be realized, thus achieve multi-level, multidimensional charging control is carried out to business datum.
For making the object, technical solutions and advantages of the present invention clearly understand, by the following examples also with reference to accompanying drawing, the present invention is described in more detail.
Fig. 2 is PCC system of the present invention composition structural representation, as shown in Figure 2, PCC system of the present invention sets up TDEF's in the PCC system shown in Fig. 1, concrete, TDEF is arranged between charge system and PCRF, TDEF is connected to PCRF by Sx interface, is connected by Gy interface with between OCS, is connected by Gz interface with between OFCS.The major function of TDEF comprises:
1, the packet check rule (rule that the strategy of more than four layers and charging control) issued according to PCRF performs business datum packet check, packet is carried out to the analyzing and testing of more than four layers;
2, the business information of detection is reported to PCRF;
3, carry out gate based on more than four layers filters, qos policy performs;
4, charge information is reported to charge system (OCS/OFCS)
5, the request needing to carry out bearing bed resource modifying is reported to PCRF;
6, the event reporting PCRF to subscribe to.
Below based on the PCC system shown in Fig. 2, illustrate the specific implementation of the strategy of the present invention's enhancing and the method for charging control further in detail.
Embodiment one
Fig. 3 is the flow chart of the embodiment of the method one that the strategy that strengthens of the present invention and charging control, and as shown in Figure 3, what the present embodiment described is IP-CAN session establishment flow process, and concrete steps are as follows:
The resident gateway of step S301, BBERF receives sets up IP-CAN conversation request message, carries the information such as user ID, PDN mark in message.
Step S302, BBERF send gateway control session to PCRF and set up request message, carry the information such as user ID, PDN mark in message.This message is used for request and sets up gateway control session.
Step S303, if PCRF does not have user-dependent CAMEL-Subscription-Information, PCRF sends signing document request message to SPR, carries user ID and PDN mark etc. in message.If store user-dependent CAMEL-Subscription-Information in PCRF, then directly perform step S305, formulate corresponding strategy according to CAMEL-Subscription-Information.
Step S304, SPR return the CAMEL-Subscription-Information of user according to user ID and PDN mark, wherein comprise the need of carrying out business detection, and need the business of detection.
The CAMEL-Subscription-Information that step S305, PCRF return according to SPR, formulates default policy, comprises PCC rule, corresponding QoS rule.If desired carry out business detection, then the business that PCRF detects as required formulates business detected rule.Business detected rule generally includes the filter of more than four layers.If the PCC rule issued also needs the strategy and the charging control that perform more than four layers further, then PCRF also can customize the corresponding rule (in the present invention, this rule is called business executing rule) of business data flow being carried out to more than four layers strategies and charging control.Optionally, PCRF also can formulate event trigger.
Step S306, PCRF return gateway control session to BBERF and set up acknowledge message, carry QoS rule, event trigger etc. in message.BBERF installs QoS rule and event trigger.
The resident gateway of step S307, BBERF sends to the gateway that PCEF is resident and sets up IP-CAN conversation request message, carries the information such as user ID and PDN mark in message.
In the present invention, step S307 can perform with step S302 simultaneously.
The resident gateway of step S308, PCEF is the IP-CAN session distributing IP address set up of UE request and Access Network charging identifier.PCEF sends IP-CAN session establishment Indication message to PCRF, carries the information such as user ID, PDN mark, IPAddress and Access Network charging identifier in message.This message is used for request and sets up Gx session.
Step S302 request is set up gateway control session according to user ID with PDN mark and is associated with the Gx session that step S308 request is set up by step S309, PCRF.The PCC rule that step S304 formulates by PCRF, event trigger and the address for the TDEF of this IP-CAN session selection return to PCEF.For each PCC rule, PCRF can send the need of carrying out more than the four layers strategies filtered and charging control instruction to PCEF simultaneously, and if desired, then PCEF is transmitted to TDEF by the business data flow with this PCC rule match.
Step S310, control if need to perform online charging, and at least one PCC rule activates, then PCEF activates online charging session, and provides relevant input information to supply OCS decision-making, and input information comprises the information such as user ID.This online charging session is used for the online charging of bearing bed (less than four layers).
Step S311, OCS provide possible credit information to PCEF.OCS also can provide re-authorization to trigger for each credit.
Step S312, if at least one PCC rule is successfully activated and online charging is employed and credit is not refused by OCS, the resident gateway of PCEF returns to the gateway that BBERF is resident sets up IP-CAN session response message, carries the IPAddress of IP-CAN session.
The resident gateway of step S313, BBERF returns sets up IP-CAN session response message, carries the IP address of IP-CAN session.
Step S314, PCRF send business to selected TDEF and detect session establishment request message, carry user ID, PDN mark, the IPAddress of IP-CAN session and Access Network charging identifier in message.PCRF also can to TDEF provide business detected rule and/or business executing rule.This request message is used for business of setting up and detects session.
Step S315, PCEF install business detected rule and business detects and returns acknowledge message to PCRF after executing rule.
Step S316, control if need to perform online charging, and at least one business detects and executing rule is activated, then TDEF activates online charging session, and provides relevant input information to supply OCS decision-making, and input information comprises the information such as user ID.This online charging session is used for the online charging of application layer (7 layers).
Step S317, OCS provide possible credit information to TDEF.OCS also can provide re-authorization to trigger for each credit.OCS controls session according to user ID by step S310 is built one's credit and associates with the diameter credit control session that step S316 sets up.
In the present invention, above-mentioned steps S314 just can perform after step S305.Step S316 can be able to perform after step S314.
By above flow process, UE sets up IP-CAN session, and PCRF by realizing carrying out to this IP-CAN session gateway control session that strategy controls with charging, Gx session associates with business detection session.Respectively and the diameter credit control session of setting up between OCS, and at the session association that OCS realizes, like this for the business of those non-session classes, OCS can carry out the charge associated analysis of bearing bed and application layer to PCEF and TDEF.
Embodiment two
Fig. 4 is the flow chart of the embodiment of the method two that the strategy that strengthens of the present invention and charging control, as shown in Figure 4, present embodiment describes after new business being detected by TDEF according to business detected rule, the IP-CAN session modification flow process initiated, in this flow process, between the gateway that the resident gateway of BBERF is resident with PCEF, PMIPv6 agreement is adopted to communicate.Concrete steps are as follows:
The business detected rule that step S401, TDEF issue according to PCRF detects the business data flow flowed through, and detects a kind of business reported to PCRF before.
Step S402, TDEF report the business detected to PCRF.TDEF can report to PCRF by reporting the mark of this business pre-configured between the mark of corresponding business detected rule or PCRF and TDEF.TDEF can be also the charge information (in the present invention this charging identifier be called application charging identifier, the charge information of more than four layer be called application charge information) of this traffic assignments charging identifier for identifying more than four layers simultaneously, and sends to PCRF.
After the information that step S403, PCRF preservation TDEF reports, return acknowledge message to TDEF.
The business information that step S404, PCRF report according to CAMEL-Subscription-Information, access information, network strategy and TDEF carries out strategic decision-making.PCRF strategy comprises PCC rule and corresponding QoS rule.PCC rule comprises the filter of four layers, and PCEF detects business data flow according to four layers of filter, carries out strategy and charging control.If the PCC rule issued also needs the strategy and the charging control that perform more than four layers further, then PCRF also can customize corresponding business executing rule.Business executing rule comprises the filter of more than four layers, and such TDEF just can detect business data flow according to more than four layers filters, and carries out strategy and charging control.PCRF can also formulate event trigger, for carrying out event subscription to BBERF, PCEF or TDEF.
Step S405, PCRF send gateway control to BBERF and QoS rule provides message, carries QoS rule, and event trigger.
Step S406, BBERF install QoS rule and event trigger.BBERF place gateway performs QoS according to QoS rule and controls, the foundation carrying out carrying, amendment or termination.
Step S407, BBERF return acknowledge message to PCRF.
Step S408, PCRF provide message to PCEF sending strategy and charging regulation, carry PCC rule and event trigger.For each PCC rule, PCRF can send the need of carrying out more than the four layers strategies filtered and charging control instruction to PCEF simultaneously, and if desired, then PCEF is transmitted to TDEF by the business data flow with this PCC rule match.The application charging identifier that TDEF can report by PCRF sends to PCEF.
Step S409, PCEF install PCC rule and event trigger.PCEF the strategy filtered according to more than four layers and charging are controlled instruction this PCC rule detection to business data flow to be transmitted to PCRF in IP-CAN session establishment process be the TDEF that this IP-CAN session is selected.
Step S410, if perform online charging, then PCEF may be the credit that new charging key (ChargingKeys) please be looked for novelty and/or the remaining credit of ChargingKey returning not reactivation to OCS.
Step S411, OCS provide credit to PCEF and/or confirm credit report.
Step S412, PCEF return acknowledge message to PCRF.
Step S413, PCRF send business executing rule to TDEF and provide message, provide business executing rule and event trigger.
Step S414, TDEF install business executing rule and event trigger.
Step S415, if perform online charging, then TDEF is the credit that new charging key (ChargingKeys) please be looked for novelty and/or the remaining credit of ChargingKeys returning not reactivation to OCS;
Step S416, OCS provide credit to TDEF and/or confirm credit report;
Step S417, TDEF return acknowledge message to PCRF.
By above flow process, PCEF and TDEF is that TDEF detects that those non-session class business carry out the online charging of bearing bed (less than four layers) and application layer (more than four layers) respectively by the diameter credit control session of setting up between OCS.And TDEF sends to PCEF application charging identifier by PCRF, realizes the charging to business.
In embodiment two, TDEF is that each newly detects traffic assignments one application charging identifier.And in other embodiments, also can be realized by additive method:
After PCRF receives the report of the new business detected that TDEF reports, be this traffic assignments application charging identifier, and send to TDEF.Meanwhile, this application charging identifier is also sent to PCEF by PCRF.
Embodiment three
Fig. 5 is the flow chart of the embodiment of the method three that the strategy that strengthens of the present invention and charging control, and as shown in Figure 5, present embodiment describes the flow process realizing multi-level offline charging based on embodiment one and embodiment two, PCEF and TDEF, concrete steps are as follows:
The resident gateway of step S501, PCEF receives to trigger to be needed to report charge information to OFCS.
The resident gateway of step S502, PCEF, to OFCS reporting information, carries Access Network charging identifier, application charging identifier and bearing charging information.
Step S503, OFCS preserve charge information.
Step S504, OFCS return acknowledge message.
The resident gateway of step S505, TDEF receives to trigger to be needed to report charge information to OFCS.
The resident gateway of step S506, TDEF, to OFCS reporting information, carries Access Network charging identifier, application charging identifier and application charge information.
Step S507, OFCS preserve charge information.
Step S508, OFCS return acknowledge message.
Step S509, the charge information that step S507 and step S508 preserve associates with application charging identifier according to Access Network charging identifier by OFCS, realizes offline charging non-session class business being carried out to bearing bed (less than four layers) and application layer (more than four layers).
Fig. 6 is the one composition structural representation of the system that the strategy that strengthens of the present invention and charging control, as shown in Figure 6, the strategy that the present invention strengthens and the system that charging controls comprise setting unit 601, formulate unit 602, performance element 603, determining unit 604, first transmitting element 605, second transmitting element 606 and charging and providing unit 607, wherein:
Setting unit 601, for arranging TDEF in PCC system;
Formulate unit 602, for formulating PCC rule, business detected rule and business executing rule;
Performance element 603, the business executing rule for formulating according to PCRF performs charging and controls.
As shown in Figure 6, the strategy that the present invention strengthens and the system that charging controls also comprise determining unit 604, first transmitting element 605, second transmitting element 606 and charging and providing unit 607, wherein:
Determining unit 604, for when formulating unit 602 and formulating PCC rule, after determining to carry out the control of more than four layers strategies and charging to the business data flow with described PCC rule match, triggers and formulates unit 602 formulation business executing rule further;
First transmitting element 605, for by described business detected rule or/and business executing rule sends to described TDEF;
Second transmitting element 606, for sending PCC rule to PCEF, and instruction carries out the control of more than four layers strategies and charging to the business data flow with described PCC rule match;
Charging and providing unit 607, control for charging business data flow being carried out to more than four layers, and provide corresponding charge information to charge system.
It will be appreciated by those skilled in the art that determining unit 604, first transmitting element 605, second transmitting element 606 and charging and providing unit 607 are the technical scheme of the system that strategy and charging for optimizing the present invention's enhancing control and arrange.
Fig. 7 is the second composition structural representation of the system that the strategy that strengthens of the present invention and charging control, as shown in Figure 7, on the basis of the system controlled at the strategy of the enhancing shown in Fig. 6 and charging, the strategy that the present invention strengthens and the system that charging controls also comprise detecting unit 608 and report unit 609, wherein
Detecting unit 608, for detecting business data flow according to described business detected rule, during the business do not reported to described PCRF before detecting, triggering and reporting unit 609;
Report unit 609, for described in reporting to described PCRF not to the business that described PCRF reported;
Formulating unit 602 is that the described business do not reported to described PCRF formulates PCC rule, when determining unit 604 is determined to carry out the control of more than four layers strategies and charging to the business data flow with described PCC rule match further, formulate unit 602 and formulate business executing rule, and send to described TDEF by the first transmitting element 605.
It will be appreciated by those skilled in the art that detecting unit 608 and report unit 609 be the technical scheme of the system that strategy and charging for optimizing the present invention's enhancing control and arrange.
Fig. 8 is the second composition structural representation of the system that the strategy that strengthens of the present invention and charging control, and as shown in Figure 8, on the basis of the system controlled in strategy and the charging of the enhancing shown in Fig. 7, the strategy that the present invention strengthens and the system that charging controls also comprise:
First allocation units 610, for before detecting to described detecting unit not to the traffic assignments application charging identifier that described PCRF reported; Unit 609 is reported further described application charging identifier to be reported described PCRF.
For the technical scheme of the system that the strategy and charging of optimizing the present invention's enhancing further control, described system also comprises:
Second allocation units 611, for before reporting for described TDEF not to the traffic assignments application charging identifier that described PCRF reported, and send to described TDEF by the first transmitting element 605.
Preferably, described application charging identifier corresponding for described PCC rule is sent to described PCEF by the second transmitting element 606;
Described PCEF provides Access Network charging identifier, described application charging identifier and bearing charging information to off-line accounting system; Described off-line accounting system preserves described Access Network charging identifier, described application charging identifier and bearing charging information, realizes the offline charging of business.
Described application charging identifier corresponding for business executing rule is sent to described TDEF by the first transmitting element 605 further; Described TDEF reports Access Network charging identifier, described application charging identifier and application charge information to off-line accounting system; Described off-line accounting system preserves described Access Network charging identifier, described application charging identifier and described application charge information, realizes the offline charging of business.
Described bearing charging information associates with application charge information according to described Access Network charging identifier, described application charging identifier by described off-line accounting system.
Those skilled in the art are to be understood that, the system that the strategy of the enhancing shown in Fig. 6, Fig. 7 and Fig. 8 and charging control is the method that controls of strategy for realizing aforesaid enhancing and charging and designs, in the system that the strategy of the enhancing shown in Fig. 6, Fig. 7 and Fig. 8 and charging control, the function of each processing unit can refer to the description of method shown in Fig. 3 to Fig. 5 and understands, the function of each processing unit realizes by the program run on processor, also realizes by concrete logical circuit.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.

Claims (18)

1. the method that the strategy strengthened and charging control, the business that arranges in strategy and charging control PCC system detects n-back test entity TDEF; It is characterized in that, described method comprises:
Described TDEF performs charging according to the business executing rule that "Policy and Charging Rules Function entity PCRF formulates and controls;
Wherein, when described business executing rule is described PCRF formulation PCC rule, after determining that the control of more than four layers strategies and charging is carried out to the business data flow with described PCC rule match, the rule of formulation; Described business executing rule comprises the filter of more than four layers;
Application charging identifier corresponding for described PCC rule is sent to described PCEF by described PCRF, and described PCEF reports Access Network charging identifier, described application charging identifier and bearing charging information to off-line accounting system;
Described Access Network charging identifier corresponding for described business executing rule is sent to described TDEF by described PCRF, and described TDEF reports Access Network charging identifier, described application charging identifier and application charge information to off-line accounting system;
Described bearing charging information associates with described application charge information according to described Access Network charging identifier, described application charging identifier by described off-line accounting system.
2. method according to claim 1, is characterized in that, described method also comprises:
Described business executing rule is sent to described TDEF by described PCRF;
Described PCRF, to strategy with when controlling n-back test entity PCEF transmission PCC rule, indicates the control business data flow with described PCC rule match being carried out to more than four layers strategies and charging;
Described TDEF controls the charging that business data flow carries out more than four layers, and provides corresponding charge information to charge system.
3. method according to claim 1, is characterized in that, described method also comprises:
During the business that described TDEF did not report to described PCRF before detecting in business data flow according to business detected rule, not to the business that described PCRF reported described in reporting to described PCRF;
Described PCRF for described in the business do not reported to described PCRF formulate PCC rule, after determining that the control of more than four layers strategies and charging is carried out to the business data flow with described PCC rule match simultaneously, formulate business executing rule and also send to described TDEF;
The credit that described TDEF please look for novelty to Online Charging System and/or return remaining credit, for described TDEF detects that business carries out the online charging of more than four layers.
4. method according to claim 3, is characterized in that, described method also comprises:
During the business that described TDEF did not report to described PCRF before detecting in business data flow according to described business detected rule, for before described not to the traffic assignments application charging identifier that described PCRF reported, and send to described PCRF.
5. method according to claim 3, is characterized in that, described method also comprises:
Described PCRF receive that described TDEF reports before report to described PCRF business time, for described before not to the traffic assignments application charging identifier that described PCRF reported, and send to described TDEF.
6. method according to claim 1 and 2, is characterized in that, described method also comprises:
Described off-line accounting system preserves described Access Network charging identifier, described application charging identifier and bearing charging information, realizes the offline charging of business.
7. method according to claim 1 and 2, is characterized in that, described method also comprises:
Described off-line accounting system preserves described Access Network charging identifier, described application charging identifier and described application charge information, realizes the offline charging of business.
8. method according to claim 1 and 2, it is characterized in that, described charge system comprises Online Charging System OCS and off-line accounting system OFCS, is connected between described TDEF with described OCS by Gy interface, is connected between described TDEF with described OFCS by Gz interface.
9. a PCC system, comprises user-subscribed database SPR, AF, PCRF, BBERF, PCEF and charge system, and described SPR, described AF, described BBERF are connected with described PCRF respectively with described PCEF, and described PCEF is connected to described charge system; It is characterized in that, described PCC system also comprises TDEF, is connected respectively with described PCRF, described charge system; Described TDEF performs charging according to the business executing rule that "Policy and Charging Rules Function entity PCRF formulates and controls;
Wherein, when described business executing rule is described PCRF formulation PCC rule, after determining that the control of more than four layers strategies and charging is carried out to the business data flow with described PCC rule match, the rule of formulation; Described business executing rule comprises the filter of more than four layers;
Application charging identifier corresponding for described PCC rule is sent to described PCEF by described PCRF, and described PCEF reports Access Network charging identifier, described application charging identifier and bearing charging information to off-line accounting system;
Described Access Network charging identifier corresponding for described business executing rule is sent to described TDEF by described PCRF, and described TDEF reports Access Network charging identifier, described application charging identifier and application charge information to off-line accounting system;
Described bearing charging information associates with described application charge information according to described Access Network charging identifier, described application charging identifier by described off-line accounting system.
10. PCC system according to claim 9, is characterized in that, is connected between described TDEF with described PCRF by Sx interface.
11. PCC systems according to claim 9 or 10, it is characterized in that, described charge system comprises Online Charging System OCS and off-line accounting system OFCS, is connected between described TDEF with described OCS by Gy interface, is connected between described TDEF with described OFCS by Gz interface.
The system that 12. 1 kinds of strategies strengthened and charging control, is characterized in that, comprises setting unit, formulates unit, performance element, the first transmitting element and the second transmitting element; Wherein:
Setting unit, for arranging TDEF in PCC system;
Formulate unit, for formulating PCC rule, business detected rule and business executing rule;
Performance element, controls for performing charging according to the business executing rule formulating unit formulation;
Wherein, when described business executing rule formulates PCC rule for formulating unit, after determining that the control of more than four layers strategies and charging is carried out to the business data flow with described PCC rule match, the rule of formulation; Described business executing rule comprises the filter of more than four layers;
Application charging identifier corresponding for described PCC rule is sent to described PCEF by described second transmitting element, and described PCEF provides Access Network charging identifier, described application charging identifier and bearing charging information to off-line accounting system;
Described application charging identifier corresponding for business executing rule is sent to described TDEF by described first transmitting element, and described TDEF reports Access Network charging identifier, described application charging identifier and application charge information to off-line accounting system;
Described bearing charging information associates with application charge information according to described Access Network charging identifier, described application charging identifier by described off-line accounting system.
13. systems according to claim 12, is characterized in that, described system also comprises determining unit, the first transmitting element, the second transmitting element and charging and providing unit, wherein:
Determining unit, during for formulating PCC rule at described formulation unit, after determining to carry out the control of more than four layers strategies and charging to the business data flow with described PCC rule match, triggers described formulation unit and formulates business executing rule further;
First transmitting element, for by described business detected rule or/and business executing rule sends to described TDEF;
Second transmitting element, for sending PCC rule to PCEF, and instruction carries out the control of more than four layers strategies and charging to the business data flow with described PCC rule match;
Charging and providing unit, control for charging business data flow being carried out to more than four layers, and provide corresponding charge information to charge system.
14. systems according to claim 13, is characterized in that, described system also comprises detecting unit and reports unit, wherein:
Detecting unit, for detecting business data flow according to described business detected rule, during the business do not reported to described PCRF before detecting, triggering and reporting unit;
Report unit, for described in reporting to described PCRF not to the business that described PCRF reported;
Described formulation unit for described in the business do not reported to described PCRF formulate PCC rule, when described determining unit is determined to carry out the control of more than four layers strategies and charging to the business data flow with described PCC rule match further, described formulation unit formulates business executing rule, and sends to described TDEF by described first transmitting element.
15. systems according to claim 14, is characterized in that, described system also comprises:
First allocation units, for before detecting to described detecting unit not to the traffic assignments application charging identifier that described PCRF reported; Described application charging identifier is reported described PCRF by the described unit that reports further.
16. systems according to claim 13, is characterized in that, described system also comprises:
Second allocation units, for before reporting for described TDEF not to the traffic assignments application charging identifier that described PCRF reported, and send to described TDEF by described first transmitting element.
17. systems according to claim 12 or 13, it is characterized in that, described off-line accounting system preserves described Access Network charging identifier, described application charging identifier and bearing charging information, realizes the offline charging of business.
18. systems according to claim 12 or 13, it is characterized in that, described off-line accounting system preserves described Access Network charging identifier, described application charging identifier and described application charge information, realizes the offline charging of business.
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