WO2013113263A1 - 一种应用检测控制功能模式的识别方法及系统 - Google Patents

一种应用检测控制功能模式的识别方法及系统 Download PDF

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Publication number
WO2013113263A1
WO2013113263A1 PCT/CN2013/070852 CN2013070852W WO2013113263A1 WO 2013113263 A1 WO2013113263 A1 WO 2013113263A1 CN 2013070852 W CN2013070852 W CN 2013070852W WO 2013113263 A1 WO2013113263 A1 WO 2013113263A1
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WIPO (PCT)
Prior art keywords
pcrf
adc
mode
application
visited network
Prior art date
Application number
PCT/CN2013/070852
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English (en)
French (fr)
Inventor
吴锦花
周晓云
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to US14/375,024 priority Critical patent/US9532205B2/en
Priority to EP13743924.6A priority patent/EP2800407B1/en
Publication of WO2013113263A1 publication Critical patent/WO2013113263A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • 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
    • 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
    • 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
    • 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
    • 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

Definitions

  • the present invention relates to the field of policy and charging control technologies for mobile communications, and in particular, to a method and system for identifying an application detection control function mode. Background technique
  • PCC architecture is a functional framework that can be applied to multiple access technologies.
  • PCC architecture can be applied to the land mobile access network of UMTS (Universal Mobile Telecommunications System) (UTRAN, UMTS Terrestrial Radio Access Network ), Global System for Mobile Communication (GSM) / GSM Data Enhanced Evolution (EDGE) radio access network, Interworking Wireless Local Area Network (I-WLAN), and Evolved Packet System (EPS).
  • UMTS Universal Mobile Telecommunications System
  • GSM Global System for Mobile Communication
  • EDGE GSM Data Enhanced Evolution
  • I-WLAN Interworking Wireless Local Area Network
  • EPS Evolved Packet System
  • FIG. 1 is a schematic diagram of a non-roaming composition architecture of a PCC of the existing Rel-11. The following describes the functions of each logical function entity and its interface in the PCC architecture shown in FIG. 1.
  • the service function entity is used to provide access points for service applications.
  • the network resources used by these service applications require dynamic policy control.
  • the AF transmitting service information related to the policy and charging rule function (PCRF, Policy and Charging Rules Function ) 0 if the service information consistent with the policy of the PCRF, the PCRF accepts the negotiation; Otherwise, the PCRF rejects the negotiation and gives the business parameters acceptable to the PCRF upon feedback.
  • the AF may then return these parameters to the user equipment (UE, User Equipment) 0 where the interface between the AF and the PCRF is the Rx interface.
  • the PCRF is the core of the PCC and is used for policy decision making and billing rules.
  • the PCRF provides network control rules based on service data flows, including traffic data flow detection, Gating Control, Quality of Service (QoS) control, and data flow based charging rules.
  • the PCRF sends its policy and charging rules to the Policy and Control Enforcement Function (PCEF).
  • PCEF Policy and Control Enforcement Function
  • the basis for formulating policies and charging rules by the PCRF includes: service-related information obtained from the AF, and user policy charging control related to policy control and charging obtained from the SPR (Spread Profile Repository) Information, and information about the bearer-related network obtained from the PCEF through the Gx interface.
  • the PCEF is usually located in the gateway (GW, Gate-Way) and performs the policy and charging rules established by the PCRF on the bearer plane.
  • the PCEF detects the service data flow according to the service data flow filter in the rule sent by the PCRF, and then performs the policy and charging rule defined by the PCRF for the service data flow; when the bearer is established, the PCEF performs the rule according to the PCRF.
  • Resource allocation, and performing gating control according to the information provided by the AF at the same time, the PCEF triggers reporting of events occurring on the bearer network according to the event subscribed by the PCRF; according to the charging rule sent by the PCRF, the PCEF performs corresponding service data flow charging operation,
  • the charging can be either online charging or offline charging.
  • the PCEF In the case of online charging, the PCEF needs to perform credit management with the Online Charging System (OCS); when offline charging, the exchange between the PCEF and the Offline Charging System (OFCS) is related. Billing information.
  • the interface between the PCEF and the PCRF is a Gx interface
  • the interface between the PCEF and the OCS is a Gy interface
  • the interface between the PCEF and the OFCS is a Gz interface.
  • the PCEF can also be enhanced with the flow detection function (TDF, the traffic detection function I PCEF can perform application detection according to the local configuration or the ADC rule of the Application Detection and Control (ADC) policy issued by the PCRF, and perform policy execution. (eg gating, redirection and bandwidth limitation).
  • ADC Application Detection and Control
  • PCEF is generally bit On the gateway of the network, such as EPS Packet Data Network Gateway (PDN-GW), General Packet Radio Service (GPRS, General Packet Radio Service), GPRS Gateway Support Node (GGSN) and Interconnected Wireless LAN (I-WLAN, Interworking WLAN), such as a Packet Data Gateway (PDG).
  • PDN-GW Packet Data Network Gateway
  • GPRS General Packet Radio Service
  • GGSN General Packet Radio Service
  • GGSN General Packet Radio Service Gateway Support Node
  • I-WLAN Interconnected Wireless LAN
  • Interworking WLAN such as a Packet Data Gateway (PDG).
  • the TDF can also be deployed independently.
  • the TDF and the PCRF are connected through the Sd interface.
  • the TDF can perform application detection and policy enforcement according to the application detection control rules delivered by the pre-configuration or PCRF.
  • the PCRF provides application detection control rules or activates TDF pre-configuration rules for TDF.
  • the policy control execution operations of independent TDF functions include gating, redirection, and bandwidth limitation.
  • the TDF reports the related events and information of the detected service/flow to the PCRF, for example: reporting the start and end of the detected service/flow to the PCRF, and transmitting the service data flow description to the PCRF, and transmitting the flow detection from the PCRF. Signaling for service detection and policy rules.
  • the Bearer Binding and Event Reporting Function is usually located in the Access Network Gateway.
  • BBERF Bearer Binding and Event Reporting Function
  • the BBERF exists in the S-GW.
  • a BBERF is also present in the trusted non-3GPP access gateway.
  • the User Contracting Database stores user policy fee control subscription information related to policy control and charging.
  • the interface between SPR and PCRF is the Sp interface.
  • OCS and PCEF jointly complete the control and management of user credit under online charging mode.
  • the OFCS and the PCEF jointly perform the charging operation in the offline charging mode.
  • IP-CAN IP Connectivity Access Network
  • PDN Packet Data Network
  • the PCEF enhanced ADC function supports the request reporting (solicited report) mode.
  • the independent TDF supports both the request reporting and the unsolicited reporting modes: the solicited report mode, the PCRF will issue the ADC rule to the PCEF/TDF of the enhanced ADC, or activate the PCEF of the enhanced ADC.
  • Predefined rules on /TDF which informs the PCEF/TDF of the enhanced ADC that it needs to be detected and reported to the PCRF;
  • the unsolicited reporting method pre-configures the ADC rules in the TDF to predefine which services need to be detected and reported. This mode assumes that the user agrees that no request is required and executable, and does not require PCRF activation.
  • the prior art does not solve the following problem:
  • the policy control and charging rule function entity H-PCRF of the home location distinguishes the visited place.
  • the ADC mode of the Public Land Mobile Network (VPLMN) is the ADC function of requesting the report or the unsolicited report mode;
  • the H-PCRF cannot correctly decide according to the ADC mode of the VPLMN: whether it needs to be transmitted through the S9 interface.
  • the ADC rule gives the visited policy control and charging rule function entity V-PCRF; for the VPLMN that supports the different ADC mode with the home HPLMN, the ADC function cannot be correctly executed for the UE, and the application information is detected and reported, that is, the UE roams.
  • the HPLMN and VPLMN cannot correctly determine and execute the ADC function.
  • How to realize the H-PCRF correctly distinguishes the ADC mode of the VPLMN, and correctly determines and executes the ADC function has become a problem to be solved by the present invention. Summary of the invention
  • the main object of the present invention is to provide a pattern recognition method and system for applying detection control, so that the network system can correctly perform an application detection function to the user when the user accesses the scene.
  • a method for identifying an application detection control function mode where the method is applied to a user accessing a scene for visiting a visit, the method comprising: When the S9 session is created, the visited policy control and charging rule function entity V-PCRF notifies the home policy control and charging rule function entity H-PCRF to access the network-supported application detection control ADC function mode;
  • the H-PCRF determines whether to provide an ADC rule to the visited network according to an ADC function mode supported by the visited network.
  • the ADC function mode is a request application report mode or an unsolicited application report mode.
  • the V-PCRF when the visited network supports the request application reporting mode, the V-PCRF notifies the H-PCRF to access the ADC function mode supported by the network, and the H-PCRF determines whether to provide the ADC rule to the visited network, as follows:
  • the V-PCRF notifies the H-PCRF that the visited network support request application reports an ADC function mode by using an S9 session establishment indication message; the H-PCRF sends an ADC rule to the V- by an S9 session establishment confirmation message. PCRF.
  • the method further includes:
  • the V-PCRF forwards the ADC rules to the PCEF or the flow detection function entity TDF. Further, when the visited network supports the unsolicited application reporting mode, the V-PCRF notifies the H-PCRF to access the ADC function mode supported by the network, and the H-PCRF determines whether to provide the ADC rule to the visited network, as follows:
  • the V-PCRF notifies the H-PCRF that the visited network supports the unsolicited application reporting ADC function by using an S9 session establishment indication message; the H-PCRF will not carry the ADC rule.
  • An S9 session establishment confirmation message is sent to the V-PCRF.
  • the present invention also provides an identification system for applying a detection control function mode, the system comprising: a notification module, located in the V-PCRF, for notifying the H-PCRF to visit the ADC function mode supported by the network when the S9 session is created; An identification response module, located in the H-PCRF, is configured to determine whether to provide an ADC rule to the visited network according to an ADC function mode supported by the visited network.
  • the ADC function mode is a request application report mode or an unsolicited application report mode.
  • the notification module is configured to notify the H-PCRF by the S9 session establishment indication message that the visited network support request application reports the ADC function mode;
  • the identification response module is configured to send an ADC rule to the V-PCRF by using an S9 session establishment confirmation message.
  • system further includes:
  • the forwarding module is located in the V-PCRF, and is configured to forward the ADC rule to the PCEF or the TDF after the notification module provides the ADC rule to the V-PCRF.
  • the notification module is configured to notify the H-PCRF by the S9 session establishment indication message that the visited network supports the unsolicited application reporting ADC function mode;
  • the identification response module is configured to send an S9 session establishment confirmation message that does not carry an ADC rule to the V-PCRF.
  • the invention also provides an identification system for applying a detection control function mode, the system comprising:
  • the V-PCRF is configured to notify the H-PCRF to access the network-supported application when the S9 session is created, to detect the ADC function mode; and the ADC function mode is a request application report mode or a non-request application report mode;
  • the H-PCRF is configured to determine whether to provide an ADC rule to the visited network according to an ADC function mode supported by the visited network.
  • the ADC function mode is a request application report mode or an unsolicited application report mode.
  • the V-PCRF is configured to notify the H-PCRF that the visited network support request application reports the ADC function mode by using the S9 session establishment indication message when the visited network supports the request application to report the ADC function mode.
  • the H-PCRF is configured to send an ADC rule to the V-PCRF by using an S9 session setup confirmation message.
  • the V-PCRF is further configured to forward the ADC rule to a PCEF or a TDF. Further, when the visited network supports the unsolicited application reporting ADC function mode, the V-PCRF is configured to notify the H-PCRF by the S9 session establishment indication message that the visited network supports the unsolicited application to report the ADC function mode. ;
  • the H-PCRF is configured to send an S9 session setup confirmation message that does not carry an ADC rule to the V-PCRF.
  • the present invention also provides a V-PCRF, which is the V-PCRF according to any one of claims 11 to 15.
  • the present invention also provides an H-PCRF which is the H-PCRF of any one of claims 11 to 15.
  • the visited policy control and charging rule function entity V-PCRF notifies the home policy control and charging rule function entity H-PCRF of the application mode of the application detection control ADC function; the ADC The reporting mode of the function includes requesting the application reporting mode and the unsolicited application reporting mode; the H-PCRF determines whether to provide the ADC rule to the V-PCRF according to the mode supported by the V-PCRF.
  • the H-PCRF can correctly distinguish the ADC mode of the VPLMN in the visited access scenario, thereby correctly determining and executing the ADC function.
  • FIG. 1 is a schematic diagram of a PCC non-roaming composition structure according to the related art
  • FIG. 2 is a schematic diagram of a PCC roaming visited access architecture according to the related art
  • FIG. 3 is a schematic flow chart of Embodiment 1 according to the present invention: roaming visit access, PCEF set
  • FIG. 4 is a flow chart of the S9 session in the ADC mode of the request mode
  • FIG. 4 is a schematic diagram of the process according to Embodiment 2 of the present invention: roaming visit access, independent TDF deployment, request mode ADC mode, S9 session Creation process
  • FIG. 5 is a schematic flow chart of Embodiment 3 of the present invention: a roaming visit access, an independent TDF deployment, and an unsolicited mode ADC mode, an S9 session creation and update process. detailed description
  • the basic idea of the present invention is: When the S9 session is created, the visited policy control and charging rule function entity V-PCRF notifies the home policy control and charging rule function entity H-PCRF to visit the network to support the application detection control ADC function mode.
  • the H-PCRF determines whether to provide an ADC rule to the visited network according to an ADC function mode supported by the visited network.
  • the enhanced application detection control policy of the H-PCRF and the HPLMN is consistent with the processing of the request report, the unsolicited report, and the non-roaming process between the PCEF/TDF of the ADC.
  • the request report the unsolicited report
  • the support function cell is described on the S9 interface to describe its supported functions, for example: ADC function, requesting application report in the visited network support request (solicited application reporting )
  • ADC function requesting application report in the visited network support request (solicited application reporting )
  • the ADC rules generated by the H-PCRF will be transmitted to the V-PCRF through the S9 interface, and the V-PCRF pre-transmission ADC rules will be installed and executed by the PCEF that enhances the ADC function; the corresponding application detection and detection in the subsequent detection process Control information will also be passed back to the H-PCRF via the V9 via the S9 interface.
  • FIG. 3 is a flowchart of a first embodiment of the present invention, where a UE is a roaming access mode, The S9 session has not been established at the visited place and the roaming place.
  • the PCEF enhances the ADC function and reports the ADC function mode using the requesting application. As shown in Figure 3, the process is described as follows:
  • Step S201 In the process of the UE requesting to establish an IP-CAN session, the gateway where the PCEF is located receives the IP-CAN session establishment request message, and carries the user identifier and the PDN network requested to be accessed in the IP-CAN session establishment request message. PDN logo;
  • Step S202 The PCEF sends an IP-CAN session establishment indication message to the V-PCRF, and carries the user identifier, the PDN identifier, and an IP address (IP Address) allocated to the UE in the IP-CAN session establishment indication message.
  • IP Address IP Address
  • the PCEF carries the value of the ADC in the supported feature cell to indicate that the V-PCRF supports the ADC function.
  • PCEF only supports requesting applications to report ADC functional modes.
  • Step S203 The V-PCRF determines, according to the user identifier, that the user is a roaming user. If the V-PCRF has not established an S9 session for the user, the V-PCRF sends a request message to the H-PCRF, and the request message may be a Credit Control Request (CCR) message to establish an S9 session, and also request An S9 sub-session is established, and the V-PCRF carries the subscription information, the PDN identifier, and the IP address of the user in the S9 sub-session.
  • CCR Credit Control Request
  • the V-PCRF supports the application detection and control of the ADC function (including the unsolicited application report or the application application report), and the PCEF supports the request application report mode
  • the V-PCRF carries the support feature carried in the request message to indicate that the request application reports the ADC function.
  • the value of the V-PCRF is intended to inform the H-PCRF to visit the type of ADC function mode supported by the network. The specific mode is not limited in the present invention.
  • Step S204 The H-PCRF determines that there is no subscription data of the user according to the user identifier, and the H-PCRF sends a subscription document request to the SPR, and carries the user identifier and the PDN identifier in the subscription document request.
  • Step S205 the SPR returns the user subscription information according to the user identifier and the PDN identifier, that is, the subscription document response;
  • the home SPR has not provided the user subscription configuration document to the H-PCRF, then this The home-destination SPR will provide a user subscription configuration document to the H-PCRF to inform the H-PCRF whether the ADC function of the user is available for signing; or the H-PCRF interacts with the SPR after the device is started to obtain the user subscription configuration document.
  • Step S206 The H-PCRF formulates a policy according to the returned user subscription information, the network policy, and the access information of the UE, where the policy includes a PCC rule, an event trigger, a usage monitoring, and the like, and returns a formulated policy to the V-PCRF.
  • the H-PCRF supports the request application reporting mode ADC function, the ADC function in the user subscription configuration document of the UE is available, and the support feature cell provided by the V-PCRF indicates that the visited network support request application reports the ADC function, then the H-PCRF is The support feature cell carried in the acknowledgment message indicates that the home network support request application reports the ADC function, and provides an ADC rule to the V-PCRF through the S9 interface, where the return message carries the ADC rule.
  • Step S207 The V-PCRF stores the PCC rule and the ADC rule, and performs the forwarding of the H-PCRF authorization rule according to the roaming protocol and the local policy. Send a response message to the PCEF, forward the PCC rule to the PCEF; if necessary, generate a QoS rule to the BBERF, and forward the ADC rule to the PCEF; Step S208, the V-PCRF forwards the PCC rule issued by the H-PCRF to the PCEF; To enhance the ADC function and to be in the solicited mode, the ADC rules are forwarded to the PCEF at the same time; in step S209, the PCEF installs and executes related policies, such as PCC rules, ADC rules, event triggers, and the like.
  • the gateway where the PCEF is located returns a response to establish an IP-CAN session, carrying the assigned IP address.
  • the support function cell is described on the S9 interface to describe its supported functions, for example: ADC function, requesting application report in the visited network support request (solicited application reporting)
  • ADC function requesting application report in the visited network support request (solicited application reporting)
  • the ADC rules generated by the H-PCRF will be transmitted to the V-PCRF through the S9 interface, and the V-PCRF pre-transfer ADC rules will be installed and executed by the TDF; the corresponding application detection and control in the subsequent detection process Information will also be passed back to the H-PCRF via the V9 via the S9 interface.
  • FIG. 4 is a flowchart of a second embodiment of the present invention, in which the UE is a roaming access mode, and the S9 session has not been established in the visited place and the roaming place.
  • the network supports the independent TDF and adopts the ADC function mode that is requested to be reported. As shown in Figure 4, the process is described as follows:
  • Step S301 in the process that the UE requests to establish an IP-CAN session, the gateway where the PCEF is located receives the IP-CAN session establishment request message, and carries the user identifier and the PDN network requested to be accessed in the IP-CAN session establishment request message.
  • PDN logo
  • Step S302 the PCEF sends an IP-CAN session establishment indication message to the V-PCRF, and carries the user identifier, the PDN identifier, and the IP address (IP Address) allocated for the UE in the IP-CAN session establishment indication message; the PCEF may also carry Flow detection function TDF routing information.
  • the PCEF carries the value of the ADC in the supported feature cell to indicate that the V-PCRF supports the application detection function. Usually PCEF only supports requesting application reporting mode.
  • Step S303 The V-PCRF determines, according to the user identifier, that the user is a roaming user. If the V-PCRF has not established an S9 session for the user, the V-PCRF sends a request message to the H-PCRF, and the request message may be a Credit Control Request (CCR) message to establish an S9 session, and also request An S9 sub-session is established.
  • CCR Credit Control Request
  • the V-PCRF carries the user identifier, PDN identifier, and IP address in the S9 sub-session. If the TDF supported by the visited network supports the application reporting mode, the V-PCRF carries the value indicating that the requesting application reports the ADC function in the support feature carried in the request message.
  • the V-PCRF can learn the configuration deployed in the network according to the configuration.
  • the TDF is used to support the requesting application to report the ADC function mode.
  • the V-PCRF is used to notify the H-PCRF to access the type of the ADC function mode supported by the network.
  • the specific mode is not limited in the present invention.
  • Step S304 The H-PCRF determines that there is no subscription data of the user according to the user identifier, and the H-PCRF sends a subscription document request to the SPR, and carries the user identifier and the PDN identifier in the subscription document request.
  • Step S305 the SPR returns the user subscription information according to the user identifier and the PDN identifier, that is, the signing: About document response;
  • the home SPR will provide the user subscription configuration document to the H-PCRF to inform the H-PCRF whether the ADC function of the user is available for signing. Or the H-PCRF interacts with the SPR after the device is started to obtain the user subscription configuration document.
  • Step S306 the H-PCRF formulates a policy according to the returned user subscription information, the network policy, and the access information of the UE, and the policy includes a PCC rule, an event trigger, a usage monitoring, and the like, and the H-PCRF returns a policy to the V-PCRF. ;
  • the H-PCRF supports the ADC function mode of the request application report, the ADC function in the user subscription configuration document of the UE is available, and the support feature cell provided by the V-PCRF indicates that the visited network support request application reports the ADC function, then the H-PCRF The support feature cell carried in the acknowledgment message indicates that the home network support request application reports the ADC function, and provides an ADC rule to the V-PCRF through the S9 interface, where the return message carries the ADC rule.
  • Step S307 The V-PCRF stores the PCC rule and the ADC rule, and performs the forwarding of the H-PCRF authorization rule according to the roaming protocol and the local policy. Send a response message to the PCEF, forward the PCC rule to the PCEF; if necessary, generate a QoS rule to the BBERF; the following step S308 forwards the ADC rule to the TDF;
  • Step S308 in order to request the independent TDF of the mode, the V-PCRF sends an ADC rule to the TDF to establish an ADC session;
  • Step S309 the TDF installs and executes the ADC rule, returns a response message to the V-PCRF, and carries the execution result;
  • Step S310 The V-PCRF forwards the PCC rule issued by the H-PCRF to the PCEF.
  • the PCEF installs and executes related policies, such as PCC rules and event triggers.
  • the gateway where the PCEF is located returns a response to establish an IP-CAN session, carrying the assigned IP address;
  • Example 3 When the user roams the visited access scene and both the H-PCRF and the V-PCRF support the ADC function, the H-PCRF does not need to generate and transmit the ADC rules to the HPLMN if the V-PCRF supports the unsolicited application reporting ADC functional mode. There is no ADC rule transmission on the S9 interface. The V-PCRF receives the TDF detection information and transmits it to the H-PCRF through the S9 interface.
  • Embodiment 5 is a flowchart of Embodiment 3 of the present invention, in which the UE is an access mode for roaming visits, an S9 session has not been established at the visited place and the roaming place, and an unsolicited application report independent TDF function is supported, and V- The PCRF supports the ADC function. As shown in Figure 5, the process is described as follows:
  • Step S401 - Step S405 is the same as Step S301 - Step S305.
  • the difference is that in step S403, if the TDF deployed in the visited network supports the unsolicited application to report the ADC function mode, the V-PCRF sends an S9 session creation request to the H-PCRF.
  • the support feature indicates that the unsolicited application reports the ADC function mode.
  • the V-PCRF can learn that the TDF deployed in the network supports the unsolicited application reporting mode.
  • Step S406 The H-PCRF formulates a policy according to the returned user subscription information, the network policy, and the access information of the UE, where the policy includes a PCC rule, an event trigger, a usage monitoring, and the like, and the H-PCRF returns a policy to the V-PCRF. ;
  • the H-PCRF supports the unsolicited application reporting ADC functional mode, the ADC function in the user subscription document of the UE is available, and the support feature provided by the V-PCRF indicates that the unsolicited application reports the ADC function, the H-PCRF carries the acknowledgement message.
  • the support feature cell indicates that the home network support request application reports the ADC function, and the H-PCRF does not generate and provide ADC rules to the V-PCRF, which does not carry the ADC rules.
  • Step S407 The V-PCRF stores the PCC rule, and performs the forwarding of the H-PCRF authorization rule according to the roaming protocol and the local policy. Send a response message to the PCEF, and forward the PCC rule to the PCEF; if necessary, generate a QoS rule to the BBERF;
  • Step S408 the V-PCRF forwards the PCC rule issued by the H-PCRF to the PCEF;
  • the PCEF installs and executes related policies, such as PCC rules, event triggers, and the like.
  • the gateway where the PCEF is located returns a response to establish an IP-CAN session, carrying the assigned IP address;
  • Step S410 the corresponding application defined by the pre-configured ADC rule in the TDF is detected, and the TDF sends a CCR message to the V-PCRF to report the application detection information. If this is the first application detection information reported by the UE corresponding to the IP-CAN session, Create a TDF session;
  • step S411 the V-PCRF sends a CCR message to the H-PCRF, and the request type of the CCR message is set to update request, and the S9 session is updated to notify the H-PCRF to apply the detection information.
  • step S412 the H-PCRF receives the application. After detecting the information, the policy and related rules are updated, and the CCA response message is sent to the V-PCRF, and the relevant update rule is carried;
  • Step S414 The H-PCRF initiates an IP-CAN session update process according to the application detection information; the specific processing is the same as the prior art.
  • the present invention also provides a pattern recognition system applying detection control, the system comprising:
  • the notification module is located at the V-PCRF, and is used to notify the H-PCRF to access the network-supported application detection control ADC function mode when the S9 session is created; the ADC function mode is a request application report mode or an unsolicited application report mode.
  • the identification response module is located at the H-PCRF, and is configured to determine whether to provide an ADC rule to the visited network according to an ADC function mode supported by the visited network.
  • the notification module notifies the H-PCRF of the visited network support by using an S9 session establishment indication message. Requesting an application to report an ADC function mode; the identification response module transmitting an ADC rule to the V-PCRF via an S9 session setup confirmation message.
  • the system further includes: The forwarding module is located at the V-PCRF, and is configured to forward the ADC rule to the PCEF or the TDF after the notification module provides the ADC rule to the V-PCRF.
  • the forwarding module is located at the V-PCRF, and is configured to forward the ADC rule to the PCEF or the TDF after the notification module provides the ADC rule to the V-PCRF.
  • the notification module notifies the H-PCRF that the visited network supports the non-S9 through the S9 session establishment indication message.
  • the application is requested to report the ADC function mode; the H-PCRF does not carry the ADC rule in the S9 session establishment confirmation message.
  • the invention also provides a pattern recognition system applying detection control, the system comprising:
  • the V-PCRF is configured to notify the H-PCRF to access the network-supported application when the S9 session is created, to detect the ADC function mode; and the ADC function mode is a request application report mode or a non-request application report mode;
  • the H-PCRF is configured to determine whether to provide an ADC rule to the visited network according to an ADC function mode supported by the visited network.
  • the V-PCRF is configured to notify the H-PCRF by using an S9 session establishment indication message to notify the visited network support request application to report an ADC function mode;
  • the H-PCRF is configured to send an ADC rule to the V-PCRF by using an S9 session setup confirmation message.
  • the V-PCRF is further configured to forward the ADC rule to the PCEF or the TDF.
  • the V-PCRF configured to notify the H-PCRF by the S9 session establishment indication message that the visited network supports the unsolicited application to report the ADC function mode;
  • the H-PCRF is configured to send an S9 session establishment confirmation message that does not carry an ADC rule. Give the V-PCRF.
  • the present invention also provides a V-PCRF, which is the V-PCRF described above.
  • the present invention also provides an H-PCRF, which is the H-PCRF described above.
  • the foregoing embodiment mainly describes a scenario in which the attribution mode and the visited location respectively support one mode.
  • the problem that the H-PCRF solved by the present invention correctly distinguishes the visited ADC mode is also applicable to the hybrid mode in which the two modes are supported at the visited or the attribution.
  • the V-PCRF tells the H-PCRF the mode it supports when the session is created.
  • the mode can be either a request mode or a non-request mode, or a third hybrid mode that supports both modes, or inform the support.
  • the two modes give priority.
  • the H-PCRF can determine the mode supported by the S9 session according to its own support mode, combined with the UE subscription mode, and local characteristics such as service characteristics.
  • the foregoing embodiment is mainly directed to a scenario in which the same user supports the same reporting mode.
  • the present invention is also applicable to a scenario in which different services/applications of the same user support different ADC reporting modes; different from the mode negotiation of the above S9 session, The different service/applications of the user support different ADC reporting modes.
  • the two functional mode negotiation of H-PCRF and V-PCRF is performed in the S9 sub-session subsession.
  • the ADC mode corresponds to IP-CAN.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they can be executed by computing devices
  • the program code of the lines is implemented so that they can be stored in the storage device by the computing device, and in some cases, the steps shown or described can be performed in a different order than here, or they can be
  • Each of the integrated circuit modules is fabricated separately, or a plurality of modules or steps thereof are fabricated into a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.

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Abstract

本发明公开了一种应用检测控制功能模式的识别方法，该方法应用于用户漫游为拜访地接入场景，包括：在 S9会话创建时，拜访地策略控制与计费规则功能实体（V-PCRF）通知归属地策略控制与计费规则功能实体（H-PCRF）拜访网络支持的应用检测控制（ADC）功能模式；所述 H-PCRF 根据所述拜访网络支持的 ADC功能模式确定是否向所述拜访网络提供 ADC规则。本发明还公开了一种应用检测控制功能模式的识别系统，运用所述方法和系统能使用户在拜访地接入场景时，网络系统可对用户执行正确的应用检测功能。

Description

一种应用检测控制功能模式的识别方法及系统 技术领域
本发明涉及移动通信的策略和计费控制技术领域， 具体涉及一种应用 检测控制功能模式的识别方法及系统。 背景技术
自第三代合作伙伴计划阶段 7 ( 3GPP Release7 )标准体系以来， 策略 和计费功能由策略和计费控制 （PCC, Policy and Charging Control )框架来 实现。 PCC 架构是一个能够应用于多种接入技术的功能框架， 例如： PCC 架构可以应用于通用移动通信系统 （ UMTS , Universal Mobile Telecommunications System )的陆上无线接入网（ UTRAN, UMTS Terrestrial Radio Access Network )、全球移动通信系统（ GSM, Global system for Mobile Communication ) /GSM数据增强演进（ EDGE )无线接入网、 互通无线局域 网 （I-WLAN ) 以及演进的分组系统（EPS, Evolved Packet System )等。
PCC主要实现了策略控制和计费两大功能。 图 1为现有 Rel-11的 PCC 的非漫游组成架构示意图， 以下对图 1所示的 PCC架构中的各个逻辑功能 实体及其接口的功能进行描述。
业务功能实体（ AF , Application Function ), 用于提供业务应用的接入 点， 这些业务应用所使用的网络资源需要进行动态的策略控制。 在业务面 进行参数协商时， AF将相关业务信息传递给策略控制与计费规则功能实体 ( PCRF, Policy and Charging Rules Function )0 如果这些业务信息与 PCRF 的策略相一致， 则 PCRF接受该协商； 否则， PCRF拒绝该协商， 并在反馈 时给出 PCRF可接受的业务参数。 随后， AF可将这些参数返回给用户设备 ( UE, User Equipment )0 其中， 所述 AF和 PCRF之间的接口是 Rx接口。 PCRF是 PCC的核心， 用于策略决策和计费规则的制定。 PCRF提供基 于业务数据流的网络控制规则， 这些网络控制包括业务数据流的检测、 门 控（ Gating Control )、 服务质量（QoS, Quality of Service )控制以及基于数 据流的计费规则等。 PCRF将其制定的策略和计费规则发送给策略和计费执 行功能实体（ PCEF , Policy and Control Enforcement Function )执行； 同时， PCRF还需要保证这些规则和用户的签约信息一致。 其中， PCRF制定策略 和计费规则的依据包括： 从 AF获得的与业务相关的信息、从用户签约数据 库（ SPR, Subscription Profile Repository )获得的与策略控制和计费相关的 用户策略计费控制签约信息、 以及通过 Gx接口从 PCEF获得的与承载相关 网络的信息。
PCEF通常位于网关（ GW, Gate-Way ) 内， 在承载面执行 PCRF所制 定的策略和计费规则。 PCEF按照 PCRF所发送的规则中的业务数据流过滤 器对业务数据流进行检测， 进而对这些业务数据流执行 PCRF 所制定的策 略和计费规则；在承载建立时， PCEF按照 PCRF发送的规则进行资源分配， 并根据 AF提供的信息进行门控控制； 同时， PCEF根据 PCRF订阅的事件 触发上报承载网络上发生的事件； 根据 PCRF发送的计费规则， PCEF执行 相应的业务数据流计费操作， 所述计费既可以是在线计费， 也可以是离线 计费。如果是在线计费，则 PCEF需要和在线计费系统（ OCS , Online Charging System )—起进行信用管理； 离线计费时， PCEF和离线计费系统（ OFCS, Offline Charging System )之间交换相关的计费信息。 其中， PCEF与 PCRF 之间的接口是 Gx接口， PCEF与 OCS之间的接口是 Gy接口， PCEF与 OFCS 之间的接口是 Gz接口。 PCEF 也可增强具有流检测功能 （TDF, Traffic Detection Function I PCEF可以根据本地配置或是 PCRF下发的包含应用检 测控制 ( Application Detection and Control, ADC )策略的 ADC规则进行应 用检测， 并进行策略执行（如门控、 重定向和带宽限制）。 PCEF一般都位 于网络的网关上， 如 EPS的分组数据网络网关（ PDN-GW )、 通用无线分组 业务（GPRS, General Packet Radio Service ) 中的 GPRS 网关支持节点 ( GGSN )以及互联无线网局域网（I-WLAN, Interworking WLAN )中的分 组数据网关 （PDG, Packet Data Gateway )等。
TDF也可以独立部署， 此时 TDF与 PCRF通过 Sd接口相连接， TDF 可以根据预配置或 PCRF 下发的应用检测控制规则进行应用检测和策略执 行。 PCRF为 TDF提供应用检测控制规则或激活 TDF预配置规则，独立 TDF 功能的策略控制执行操作包括门控、 重定向和带宽限制。 TDF向 PCRF作 被检测业务 /流的相关事件和信息的上报， 例如： 向 PCRF报告检测到的业 务 /流的开始和终结， 以及给 PCRF发送业务数据流描述， 传送来自 PCRF 的用于流检测的业务检测和策略规则的信令。
承载绑定和事件报告功能实体 ( BBERF , Bearer Binding and Event Reporting Function )通常位于接人网网关 ( Access Network Gateway ) 内。 如当用户设备通过 E-UTRAN接入 EPS、 服务网关 S-GW与 P-GW之间采 用代理移动互联网协议版本 6 ( ΡΜΙΡνό , Proxy Mobile Internet Protocol version 6 )协议时， S-GW中就存在 BBERF。当用户设备通过可信任非 3GPP 接入网接入时， 可信任非 3GPP接入网关中也存在 BBERF。
用户签约数据库（SPR ), 存储有与策略控制和计费相关的用户策略计 费控制签约信息。 SPR和 PCRF之间的接口是 Sp接口。
OCS和 PCEF共同完成在线计费方式下用户信用的控制和管理。
OFCS与 PCEF共同完成离线计费方式下的计费操作。
以上 PCC架构通过各功能实体实现了对 UE为访问一个分组数据网络 ( Packet Data Network, PDN )所建立的 IP连接接入网 （IP Connectivity Access Network, IP-CAN )会话的策略计费控制。
现有技术中， PCEF增强 ADC功能支持请求上报（ solicited report )模 式； 独立 TDF支持请求上报和非请求上报（unsolicited reported )两种模式： 所述请求上报 ( solicited report )方式， PCRF将会下发 ADC规则给增 强 ADC的 PCEF/TDF, 或激活增强 ADC的 PCEF/TDF上的预定义规则， 通知增强 ADC的 PCEF/TDF哪些业务需要检测并报告给 PCRF;
所述非请求上报 ( unsolicited reported )方式， 在 TDF 中预配置 ADC 规则， 预定义哪些业务需要检测和报告， 该方式假定用户同意不需请求并 可执行， 不需要 PCRF激活。
然而， 现有技术没有解决以下问题： 当 UE发生漫游， 处于拜访地接入 场景下， 如图 2 所示的场景下， 归属地的策略控制与计费规则功能实体 H-PCRF 如何区分拜访地公共陆地移动网络 ( Visit Public Land Mobile Network, VPLMN )的 ADC模式（是请求上报还是非请求上报模式的 ADC 功能；)， H-PCRF无法根据 VPLMN的 ADC模式来正确决策：是否需要通过 S9接口传递 ADC规则给拜访地的策略控制与计费规则功能实体 V-PCRF; 对于与归属地 HPLMN支持不同 ADC模式的 VPLMN无法对该 UE正确执 行 ADC功能， 进行应用信息的检测和上报， 即： UE漫游到拜访地且为拜 访地接入场景时 , HPLMN和 VPLMN无法正确决策和执行 ADC功能； 如何实现 H-PCRF正确区分 VPLMN的 ADC模式， 正确决策和执行 ADC功能成为了本发明需要解决的问题。 发明内容
有鉴于此， 本发明的主要目的在于提供一种应用检测控制的模式识别 方法及系统， 使得用户在拜访地接入场景时， 网络系统能够对用户正确执 行应用检测功能。
为达到上述目的， 本发明的技术方案是这样实现的：
一种应用检测控制功能模式的识别方法， 该方法应用于用户漫游为拜 访地接入场景， 该方法包括： 在 S9会话创建时， 拜访地策略控制与计费规则功能实体 V-PCRF通知 归属地策略控制与计费规则功能实体 H-PCRF拜访网络支持的应用检测控 制 ADC功能模式；
所述 H-PCRF根据所述拜访网络支持的 ADC功能模式确定是否向所述 拜访网络提供 ADC规则。
进一步地， 所述 ADC功能模式为请求应用报告模式或非请求应用报告 模式。
进一步地， 所述拜访网络支持请求应用报告模式时， 所述 V-PCRF 通 知 H-PCRF拜访网络支持的 ADC功能模式， H-PCRF确定是否向所述拜访 网络提供 ADC规则， 为：
所述 V-PCRF通过 S9会话建立指示消息向所述 H-PCRF通知所述拜访 网络支持请求应用报告 ADC功能模式； 所述 H-PCRF通过 S9会话建立确 认消息将 ADC规则发送给所述 V-PCRF。
进一步地， 在所述 H-PCRF向所述 V-PCRF提供 ADC规则后， 所述方 法还包括：
所述 V-PCRF将所述 ADC规则转发给 PCEF或流检测功能实体 TDF。 进一步地， 所述拜访网络支持非请求应用报告模式时， 所述 V-PCRF 通知 H-PCRF拜访网络支持的 ADC功能模式， H-PCRF确定是否向所述拜 访网络提供 ADC规则， 为：
所述 V-PCRF通过 S9会话建立指示消息向所述 H-PCRF通知所述拜访 网络支持非请求应用报告 ADC功能； 所述 H-PCRF将不携带 ADC规则的
S9会话建立确认消息发送给所述 V-PCRF。
本发明还提供了一种应用检测控制功能模式的识别系统， 该系统包括： 通知模块， 位于 V-PCRF中， 用于在 S9会话创建时， 通知 H-PCRF拜 访网络支持的 ADC功能模式； 识别响应模块， 位于 H-PCRF中， 用于根据所述拜访网络支持的 ADC 功能模式确定是否向所述拜访网络提供 ADC规则。
进一步地， 所述 ADC功能模式为请求应用报告模式或非请求应用报告 模式。
进一步地， 所述拜访网络支持请求应用报告 ADC功能模式时， 所述通 知模块， 用于通过 S9会话建立指示消息向所述 H-PCRF通知所述拜访网络 支持请求应用报告 ADC功能模式；
所述识别响应模块， 用于通过 S9会话建立确认消息将 ADC规则发送 给所述 V-PCRF。
进一步地， 该系统还包括：
转发模块，位于 V-PCRF中， 用于在所述通知模块向所述 V-PCRF提供 ADC规则后， 将所述 ADC规则转发给 PCEF或 TDF。
进一步地， 所述拜访网络支持非请求应用报告 ADC功能模式时， 所述 通知模块， 用于通过 S9会话建立指示消息向所述 H-PCRF通知所述拜访网 络支持非请求应用报告 ADC功能模式；
所述识别响应模块， 用于将不携带 ADC规则的 S9会话建立确认消息 发送给所述 V-PCRF。
本发明还提供了一种应用检测控制功能模式的识别系统， 该系统包括：
V-PCRF, 用于在 S9会话创建时， 通知 H-PCRF拜访网络支持的应用 检测控制 ADC功能模式； 所述 ADC功能模式为请求应用报告模式或非请 求应用报告模式；
H-PCRF, 用于根据所述拜访网络支持的 ADC功能模式决定是否向所 述拜访网络提供 ADC规则。
进一步地， 所述 ADC功能模式为请求应用报告模式或非请求应用报告 模式。 其中， 所述拜访网络支持请求应用报告 ADC功能模式时， 所述 V-PCRF, 用于通过 S9会话建立指示消息向所述 H-PCRF通知所 述拜访网络支持请求应用报告 ADC功能模式；
所述 H-PCRF, 用于通过 S9会话建立确认消息将 ADC规则发送给所 述 V-PCRF。
进一步地，所述 V-PCRF,还用于将所述 ADC规则转发给 PCEF或 TDF。 进一步地， 所述拜访网络支持非请求应用报告 ADC功能模式时， 所述 V-PCRF, 用于通过 S9会话建立指示消息向所述 H-PCRF通知所 述拜访网络支持非请求应用报告 ADC功能模式；
所述 H-PCRF, 用于将不携带 ADC规则的 S9会话建立确认消息发送 给所述 V-PCRF。
本发明还提供了一种 V-PCRF, 所述 V-PCRF为权利要求 11至 15中任 一项所述的 V-PCRF。
本发明还提供了一种 H-PCRF,所述 H-PCRF为权利要求 11至 15中任 一项所述的 H-PCRF。
本发明在 S9会话创建时，拜访地策略控制与计费规则功能实体 V-PCRF 通知归属地策略控制与计费规则功能实体 H-PCRF其支持的应用检测控制 ADC功能的报告模式； 所述 ADC功能的报告模式包括请求应用报告模式 和非请求应用报告模式； H-PCRF根据所述 V-PCRF支持的模式决定是否向 V-PCRF 提供 ADC 规则。 通过本发明能够在拜访地接入场景下， 实现 H-PCRF正确区分 VPLMN的 ADC模式 , 从而正确决策和执行 ADC功能。 附图说明
图 1为根据相关技术的 PCC非漫游组成架构示意图；
图 2为根据相关技术的 PCC漫游拜访地接入架构示意图；
图 3为根据本发明实施例 1的流程示意图： 漫游拜访地接入， PCEF集 成 ADC部署， 请求模式的 ADC模式下， S9会话的创建流程； 图 4为根据本发明实施例 2的流程示意图：漫游拜访地接入，独立 TDF 部署， 请求模式的 ADC模式下， S9会话的创建流程；
图 5为根据本发明实施例 3的流程示意图：漫游拜访地接入，独立 TDF 部署， 非请求模式的 ADC模式下， S9会话的创建和更新流程。 具体实施方式
下面结合附图和具体实施例对本发明所述技术方案作进一步的详细描 述， 以使本领域的技术人员可以更好的理解本发明并能予以实施， 但所举 实施例不作为对本发明的限定。
本发明的基本思想是： 在 S9会话创建时， 拜访地策略控制与计费规则 功能实体 V-PCRF通知归属地策略控制与计费规则功能实体 H-PCRF拜访 网络支持的应用检测控制 ADC功能模式； 所述 H-PCRF根据所述拜访网络 支持的 ADC功能模式确定是否向所述拜访网络提供 ADC规则。
下面结合附图及具体实施例对本发明进行详细描述。
实施例 1 :
当用户漫游为本地路由接入场景， H-PCRF和 HPLMN的增强应用检测 控制策略 ADC的 PCEF/TDF之间， 对于请求上报、 非请求上报的处理与非 漫游的处理一致。 这里不故举例描述；
当用户漫游为拜访地接入场景， 且 H-PCRF和 V-PCRF都支持 ADC功 能， 在 S9接口以 support feature信元来描述其支持的功能， 例如： ADC功 能， 在拜访网络支持请求应用报告（ solicited application reporting ) ADC功 能时， H-PCRF生成的 ADC规则将通过 S9接口传送给 V-PCRF, V-PCRF 前传 ADC规则给增强 ADC功能的 PCEF安装执行； 后续检测过程中相应 的应用检测和控制信息也将通过 S9接口经由 V-PCRF传回到 H-PCRF。
图 3为根据本发明实施例一的流程图，其中 UE为漫游拜访地接入方式， 拜访地和漫游地尚未建立 S9会话， PCEF增强了 ADC功能， 并且采用请求 应用报告 ADC功能模式。 如图 3所示， 该流程具体描述如下：
步驟 S201 , 在 UE请求建立 IP-CAN会话的过程中， PCEF位于的网关 收到 IP-CAN会话建立请求消息，并在该 IP-CAN会话建立请求消息中携带 用户标识和请求接入的 PDN网络的 PDN标识；
步驟 S202, PCEF向 V-PCRF发送 IP-CAN会话建立指示消息， 并在该 IP-CAN会话建立指示消息中携带用户标识、 PDN标识以及为 UE分配的 IP 地址（IP Address );
此外， PCEF 在 supported feature信元中携带 ADC 的取值， 以指示 V-PCRF其支持 ADC功能。通常 PCEF只支持请求应用报告 ADC功能模式。
步驟 S203 , V-PCRF根据用户标识判断该用户为漫游用户。 若 V-PCRF 还未为该用户建立 S9会话， 则 V-PCRF向 H-PCRF发送请求消息， 该请求 消息可以为信用控制请求（Credit Control Request, CCR )消息， 以建立 S9 会话， 同时还请求建立一个 S9子会话， V-PCRF在 S9子会话中携带该用户 的签约信息、 PDN标识以及 IP地址等。若 V-PCRF支持应用检测控制 ADC 功能（包括非请求应用上报或请求应用上报）， 并且 PCEF支持请求应用上 报模式， 则 V-PCRF在请求消息中携带的 support feature中携带表示请求应 用上报 ADC 功能的取值； V-PCRF旨在通知 H-PCRF拜访网络支持的 ADC 功能模式类型， 具体方式本发明不做限定。
步驟 S204 , H-PCRF 根据用户标识判断还没有该用户的签约数据， H-PCRF向 SPR发送签约文档请求， 并在该签约文档请求中携带用户标识 和 PDN标识；
步驟 S205, SPR根据用户标识和 PDN标识返回用户签约信息， 即： 签 约文档应答；
此时若归属地 SPR还未向 H-PCRF提供过用户签约配置文档， 那么此 时归属地 SPR将向 H-PCRF提供用户签约配置文档， 告知 H-PCRF该用户 的 ADC功能是否签约可用；或者 H-PCRF在设备启动后就与 SPR交互以获 取所述用户签约配置文档。
步驟 S206, H-PCRF根据返回的用户签约信息、 网络策略、 UE的接入 信息等制定策略， 策略中包括 PCC规则、 事件触发器， 用量监控等， 并向 V-PCRF返回制定的策略；
若 H-PCRF支持请求应用上报模式 ADC功能， 该 UE的用户签约配置 文档中 ADC功能可用， 且 V-PCRF提供的 support feature信元中指示拜访 网络支持请求应用报告 ADC功能，则 H-PCRF在确认消息中携带的 support feature信元中指示归属网络支持请求应用报告 ADC功能， 并通过 S9接口 提供 ADC规则给 V-PCRF , 该返回消息中携带 ADC规则。
步驟 S207, V-PCRF存储 PCC规则和 ADC规则， 根据漫游协议、 本 地策略执行 H-PCRF授权规则的转发。 下发响应消息给 PCEF, 前传 PCC 规则给 PCEF;若需要，还生成 QoS规则给 BBERF,前传 ADC规则给 PCEF; 步驟 S208, V-PCRF前传 H-PCRF授权下发的 PCC规则给 PCEF; 若 PCEF增强 ADC功能且为 solicited模式， 则同时前传 ADC规则给 PCEF; 步驟 S209, PCEF安装并执行相关策略， 如 PCC规则、 ADC规则、 事 件触发器等。 PCEF所在网关返回应答建立 IP-CAN会话， 携带分配的 IP 地址。
实施例 2:
当用户漫游为拜访地接入场景， 且 H-PCRF和 V-PCRF都支持 ADC功 能， 在 S9接口以 support feature信元来描述其支持的功能， 例如： ADC功 能， 在拜访网络支持请求应用报告（ solicited application reporting ) ADC功 能时， H-PCRF生成的 ADC规则将通过 S9接口传送给 V-PCRF, V-PCRF 前传 ADC规则给 TDF安装执行； 后续检测过程中相应的应用检测和控制 信息也将通过 S9接口经由 V-PCRF传回到 H-PCRF。
图 4为根据本发明实施例二的流程图，其中 UE为漫游拜访地接入方式， 拜访地和漫游地尚未建立 S9会话， 网络支持独立 TDF, 并且采用请求上报 的 ADC功能模式。 如图 4所示， 该流程具体描述如下：
步驟 S301 , 在 UE请求建立 IP-CAN会话的过程中， PCEF位于的网关 接收到 IP-CAN会话建立请求消息，并在该 IP-CAN会话建立请求消息中携 带用户标识和请求接入的 PDN网络的 PDN标识；
步驟 S302, PCEF向 V-PCRF发送 IP-CAN会话建立指示消息， 并在该 IP-CAN会话建立指示消息中携带用户标识、 PDN标识以及为 UE分配的 IP 地址（ IP Address ); PCEF还可能携带流检测功能 TDF路由信息。 此外， PCEF在 supported feature信元中携带 ADC的取值，以指示 V-PCRF其支持 应用检测功能。 通常 PCEF只支持请求应用报告模式。
步驟 S303 , V-PCRF根据用户标识判断该用户为漫游用户。 若 V-PCRF 还未为该用户建立 S9会话， 则 V-PCRF向 H-PCRF发送请求消息， 该请求 消息可以为信用控制请求（Credit Control Request, CCR )消息， 以建立 S9 会话， 同时还请求建立一个 S9子会话， V-PCRF在 S9子会话中携带该用户 标识， PDN标识以及 IP地址等。 若拜访网络中部署的 TDF支持请求应用 上报模式， 则 V-PCRF在请求消息中携带的 support feature中携带表示请求 应用上报 ADC 功能的取值， 这里， V-PCRF可根据配置获知网络中部署的 TDF为支持请求应用上报 ADC功能模式； V-PCRF旨在通知 H-PCRF拜访 网络支持的 ADC功能模式类型， 具体方式本发明不做限定。
步驟 S304 , H-PCRF 根据用户标识判断还没有该用户的签约数据， H-PCRF向 SPR发送签约文档请求， 并在该签约文档请求中携带用户标识 和 PDN标识；
步驟 S305 , SPR根据用户标识和 PDN标识返回用户签约信息， 即： 签 约文档应答；
此时若归属地 SPR还未向 H-PCRF提供过用户签约配置文档， 那么此 时归属地 SPR将向 H-PCRF提供用户签约配置文档， 告知 H-PCRF该用户 的 ADC功能是否签约可用。或者 H-PCRF在设备启动后就与 SPR交互以获 取所述用户签约配置文档。
步驟 S306, H-PCRF根据返回的用户签约信息、 网络策略、 UE的接入 信息等制定策略，策略中包括 PCC规则、事件触发器，用量监控等， H-PCRF 向 V-PCRF返回制定的策略；
若 H-PCRF支持请求应用报告的 ADC功能模式， 该 UE的用户签约配 置文档中 ADC功能可用， 且 V-PCRF提供的 support feature信元中指示拜 访网络支持请求应用报告 ADC 功能， 则 H-PCRF 在确认消息中携带的 support feature信元中指示归属网络支持请求应用报告 ADC功能， 并通过 S9接口提供 ADC规则给 V-PCRF , 该返回消息中携带 ADC规则。
步驟 S307, V-PCRF存储 PCC规则和 ADC规则， 根据漫游协议、 本 地策略执行 H-PCRF授权规则的转发。 下发响应消息给 PCEF, 前传 PCC 规则给 PCEF;若需要，还生成服务质量 QoS规则给 BBERF;如下步驟 S308 前传 ADC规则给 TDF;
步驟 S308, 为请求模式的独立 TDF, 则 V-PCRF向 TDF下发 ADC规 则， 建立 ADC会话；
步驟 S309, TDF安装和执行 ADC规则， 返回响应消息给 V-PCRF, 携 带执行结果；
步驟 S310, V-PCRF前传 H-PCRF授权下发的 PCC规则给 PCEF; 步驟 S311 , PCEF安装并执行相关策略， 如 PCC规则、 事件触发器等。 PCEF所在网关返回应答建立 IP-CAN会话， 携带分配的 IP地址；
实施例 3: 当用户漫游拜访地接入场景，且 H-PCRF和 V-PCRF都支持 ADC功能， 在 V-PCRF支持非请求应用报告 ADC功能模式的情况下， H-PCRF不需要 生成和传送 ADC规则给 HPLMN, S9接口上没有 ADC规则传送， V-PCRF 收到 TDF的检测信息后通过 S9接口传送到 H-PCRF。
图 5为根据本发明实施例 3的流程图，其中 UE为漫游拜访地接入方式， 拜访地和漫游地尚未建立 S9 会话， 支持非请求应用报告 （unsolicited application report )独立 TDF功能， 并且 V-PCRF支持 ADC功能。 如图 5 所示， 该流程具体描述如下：
步驟 S401 -步驟 S405与步驟 S301 -步驟 S305—致； 不同的是步驟 S403中， 若拜访网络中部署的 TDF支持非请求应用上报 ADC功能模式， V-PCRF发送给 H-PCRF的 S9会话创建请求消息中， support feature指示支 持非请求应用报告 ADC功能模式， 这里， V-PCRF可根据配置获知网络中 部署的 TDF为支持非请求应用上报模式；
步驟 S406, H-PCRF根据返回的用户签约信息、 网络策略、 UE的接入 信息等制定策略，策略中包括 PCC规则、事件触发器，用量监控等， H-PCRF 向 V-PCRF返回制定的策略；
若 H-PCRF支持非请求应用报告 ADC功能模式， 该 UE的用户签约文 档中 ADC功能可用， 且 V-PCRF提供的 support feature指示支持非请求应 用报告 ADC功能， 则 H-PCRF在确认消息中携带的 support feature信元中 指示归属网络支持请求应用报告 ADC功能， 并且 H-PCRF不会生成和提供 ADC规则给 V-PCRF , 该返回消息中不会携带 ADC规则。
步驟 S407, V-PCRF存储 PCC规则， 根据漫游协议、 本地策略执行 H-PCRF授权规则的转发。下发响应消息给 PCEF,前传 PCC规则给 PCEF; 若需要， 并生成 QoS规则给 BBERF;
步驟 S408, V-PCRF前传 H-PCRF授权下发的 PCC规则给 PCEF; 步驟 S409, PCEF安装并执行相关策略， 如 PCC规则、 事件触发器等。 PCEF所在网关返回应答建立 IP-CAN会话， 携带分配的 IP地址；
步驟 S410, TDF中预配置 ADC规则定义的相应应用被检测到， TDF 发送 CCR消息给 V-PCRF , 上报应用检测信息， 若这是该 UE对应 IP-CAN 会话的首次应用检测信息上报， 则同时创建 TDF会话；
步驟 S411 , V-PCRF将发送 CCR消息给 H-PCRF, 所述 CCR消息的请 求类型设置为 update request, 更新 S9会话， 通知 H-PCRF应用检测信息； 步驟 S412, H-PCRF收到所述应用检测信息后， 更新策略和相关规则， 下发 CCA响应消息给 V-PCRF , 携带相关更新规则；
步驟 S413 , V-PCRF发送 CCA消息给 TDF;
步驟 S414, 根据应用检测信息， H-PCRF发起 IP-CAN会话更新流程； 具体处理同现有技术。
实施例 4:
基于上述流程， 本发明还提供一种应用检测控制的模式识别系统， 该 系统包括：
通知模块， 位于 V-PCRF, 用于在 S9会话创建时， 通知 H-PCRF拜访 网络支持的应用检测控制 ADC功能模式； 所述 ADC功能模式为请求应用 报告模式或非请求应用报告模式。
识别响应模块， 位于 H-PCRF, 用于根据所述拜访网络支持的 ADC功 能模式决定是否向所述拜访网络提供 ADC规则。
与实施例 1 的应用场景对应地， 在所述拜访网络支持请求应用 4艮告 ADC功能模式的情况下， 所述通知模块通过 S9会话建立指示消息向所述 H-PCRF通知所述拜访网络支持请求应用报告 ADC功能模式； 所述识别响 应模块通过 S9会话建立确认消息将 ADC规则发送给所述 V-PCRF。
与实施例 1的应用场景对应地， 该系统还包括： 转发模块， 位于 V-PCRF, 用于在所述通知模块向所述 V-PCRF提供 ADC规则后， 将所述 ADC规则转发给 PCEF或 TDF。
与实施例 3 的应用场景对应地， 在所述拜访网络支持非请求应用报告 ADC功能模式的情况下， 所述通知模块通过 S9会话建立指示消息向所述 H-PCRF 通知所述拜访网络支持非请求应用报告 ADC 功能模式； 所述 H-PCRF在 S9会话建立确认消息中不携带 ADC规则。
本发明还提供了一种应用检测控制的模式识别系统， 该系统包括：
V-PCRF, 用于在 S9会话创建时， 通知 H-PCRF拜访网络支持的应用 检测控制 ADC功能模式； 所述 ADC功能模式为请求应用报告模式或非请 求应用报告模式；
H-PCRF, 用于根据所述拜访网络支持的 ADC功能模式决定是否向所 述拜访网络提供 ADC规则。
与实施例 1 的应用场景对应地， 在所述拜访网络支持请求应用 4艮告 ADC功能模式的情况下，
所述 V-PCRF, 用于通过 S9会话建立指示消息向所述 H-PCRF通知所 述拜访网络支持请求应用报告 ADC功能模式；
所述 H-PCRF, 用于通过 S9会话建立确认消息将 ADC规则发送给所 述 V-PCRF。
与实施例 1的应用场景对应地， 所述 V-PCRF, 还用于将所述 ADC规 则转发给 PCEF或 TDF。
与实施例 3 的应用场景对应地， 在所述拜访网络支持非请求应用报告 ADC功能模式的情况下，
所述 V-PCRF, 用于通过 S9会话建立指示消息向所述 H-PCRF通知所 述拜访网络支持非请求应用报告 ADC功能模式；
所述 H-PCRF, 用于将不携带 ADC规则的 S9会话建立确认消息发送 给所述 V-PCRF。
本发明还提供了一种 V-PCRF, 所述 V-PCRF为上文所述的 V-PCRF。 本发明还提供了一种 H-PCRF, 所述 H-PCRF为上文所述的 H-PCRF。 前述实施例主要描述归属地和拜访地分别支持一种模式的场景， 本发 明解决的 H-PCRF正确区分拜访地 ADC模式的问题同样适用于拜访地或归 属地同时支持两种模式这一混合模式的场景； 会话创建时 V-PCRF 告知 H-PCRF其支持的模式， 所述模式可以为请求或非请求其中一种模式， 或是 同时支持两种模式的第三种混合模式 , 或是告知支持两种模式并给出优先 级， H-PCRF可根据自身支持模式， 并结合该 UE签约模式， 以及业务特征 等本地策略决定该 S9会话支持的模式。
前述实施例主要是针对同一个用户支持同一种上报模式的场景， 本发 明同样适用于同一个用户的不同业务 /应用支持不同 ADC上报模式的场景； 区别于上面的 S9 会话的模式协商， 对于该用户的不同业务 /应用支持不同 ADC上报模式的场景 H-PCRF和 V-PCRF的两种功能模式协商在 S9 子会 话 subsession中进行， 该子会话 subsession中， ADC模式对应于 IP-CAN。
前述实施例主要针对 PCEF支持请求应用报告模式， TDF支持请求和 非请求应用报告模式。通常 PCEF只支持请求应用报告模式，但本发明同样 适用于 PCEF支持非请求应用报告模式的 ADC功能场景。
以上仅为本发明的优选实施案例而已， 并不用于限制本发明， 本发明 还可有其他多种实施例， 在不背离本发明精神及其实质的情况下， 熟悉本 领域的技术人员可根据本发明做出各种相应的改变和变形， 但这些相应的 改变和变形都应属于本发明所附的权利要求的保护范围。
显然， 本领域的技术人员应该明白， 上述的本发明的各模块或各步驟 可以用通用的计算装置来实现， 它们可以集中在单个的计算装置上， 或者 分布在多个计算装置所组成的网络上， 可选地， 它们可以用计算装置可执 行的程序代码来实现， 从而， 可以将它们存储在存储装置中由计算装置来 执行， 并且在某些情况下， 可以以不同于此处的顺序执行所示出或描述的 步驟， 或者将它们分别制作成各个集成电路模块， 或者将它们中的多个模 块或步驟制作成单个集成电路模块来实现。 这样， 本发明不限制于任何特 定的硬件和软件结合。

Claims

权利要求书
1、 一种应用检测控制功能模式的识别方法， 其特征在于， 该方法应用 于用户漫游为拜访地接入场景， 包括：
在 S9会话创建时， 拜访地策略控制与计费规则功能实体 V-PCRF通知 归属地策略控制与计费规则功能实体 H-PCRF拜访网络支持的应用检测控 制 ADC功能模式；
所述 H-PCRF根据所述拜访网络支持的 ADC功能模式确定是否向所述 拜访网络提供 ADC规则。
2、 根据权利要求 1所述的方法， 其特征在于， 所述 ADC功能模式为 请求应用报告模式或非请求应用报告模式。
3、 根据权利要求 2所述的方法， 其特征在于， 所述拜访网络支持所述 请求应用报告模式时， 所述 V-PCRF通知 H-PCRF拜访网络支持的 ADC功 能模式， H-PCRF确定是否向所述拜访网络提供 ADC规则， 为：
所述 V-PCRF通过 S9会话建立指示消息向所述 H-PCRF通知所述拜访 网络支持请求应用报告 ADC功能模式； 所述 H-PCRF通过 S9会话建立确 认消息将 ADC规则发送给所述 V-PCRF。
4、 根据权利要求 3所述的方法， 其特征在于， 在所述 H-PCRF向所述 V-PCRF提供 ADC规则后， 所述方法还包括：
所述 V-PCRF将所述 ADC规则转发给 PCEF或流检测功能实体 TDF。
5、 根据权利要求 1所述的方法， 其特征在于， 所述拜访网络支持非请 求应用 4艮告模式时， 所述 V-PCRF通知 H-PCRF拜访网络支持的 ADC功能 模式， H-PCRF确定是否向所述拜访网络提供 ADC规则， 为：
所述 V-PCRF通过 S9会话建立指示消息向所述 H-PCRF通知所述拜访 网络支持非请求应用报告 ADC功能； 所述 H-PCRF将不携带 ADC规则的 S9会话建立确认消息发送给所述 V-PCRF。
6、一种应用检测控制功能模式的识别系统，其特征在于，该系统包括： 通知模块， 位于 V-PCRF中， 用于在 S9会话创建时， 通知 H-PCRF拜 访网络支持的 ADC功能模式；
识别响应模块， 位于 H-PCRF中， 用于根据所述拜访网络支持的 ADC 功能模式确定是否向所述拜访网络提供 ADC规则。
7、 根据权利要求 6所述的系统， 其特征在于， 所述 ADC功能模式为 请求应用报告模式或非请求应用报告模式。
8、 根据权利要求 7所述的系统， 其特征在于， 所述拜访网络支持请求 应用报告 ADC功能模式时，
所述通知模块， 用于通过 S9会话建立指示消息向所述 H-PCRF通知所 述拜访网络支持请求应用报告 ADC功能模式；
所述识别响应模块， 用于通过 S9会话建立确认消息将 ADC规则发送 给所述 V-PCRF。
9、 根据权利要求 8所述的系统， 其特征在于， 该系统还包括： 转发模块，位于 V-PCRF中， 用于在所述通知模块向所述 V-PCRF提供 ADC规则后， 将所述 ADC规则转发给 PCEF或 TDF。
10、 根据权利要求 7所述的系统， 其特征在于， 所述拜访网络支持非 请求应用报告 ADC功能模式时，
所述通知模块， 用于通过 S9会话建立指示消息向所述 H-PCRF通知所 述拜访网络支持非请求应用报告 ADC功能模式；
所述识别响应模块， 用于将不携带 ADC规则的 S9会话建立确认消息 发送给所述 V-PCRF。
11、 一种应用检测控制的模式识别系统， 该系统包括：
V-PCRF, 用于在 S9会话创建时， 通知 H-PCRF拜访网络支持的应用 检测控制 ADC功能模式； 所述 ADC功能模式为请求应用报告模式或非请 求应用报告模式；
H-PCRF, 用于根据所述拜访网络支持的 ADC功能模式决定是否向所 述拜访网络提供 ADC规则。
12、 根据权利要求 11所述的系统， 其特征在于， 所述 ADC功能模式 为请求应用报告模式或非请求应用报告模式。
13、 根据权利要求 12所述的系统， 其特征在于， 所述拜访网络支持请 求应用报告 ADC功能模式时，
所述 V-PCRF, 用于通过 S9会话建立指示消息向所述 H-PCRF通知所 述拜访网络支持请求应用报告 ADC功能模式；
所述 H-PCRF, 用于通过 S9会话建立确认消息将 ADC规则发送给所 述 V-PCRF。
14、 根据权利要求 13所述的系统， 其特征在于， 所述 V-PCRF, 还用 于将所述 ADC规则转发给 PCEF或 TDF。
15、 根据权利要求 12所述的系统， 其特征在于， 所述拜访网络支持非 请求应用报告 ADC功能模式时，
所述 V-PCRF, 用于通过 S9会话建立指示消息向所述 H-PCRF通知所 述拜访网络支持非请求应用报告 ADC功能模式；
所述 H-PCRF, 用于将不携带 ADC规则的 S9会话建立确认消息发送 给所述 V-PCRF。
16、 一种 V-PCRF, 其特征在于， 所述 V-PCRF为权利要求 11至 15中 任一项所述的 V-PCRF。
17、 一种 H-PCRF, 其特征在于， 所述 H-PCRF为权利要求 11至 15中 任一项所述的 H-PCRF。
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