WO2015143851A1 - 用量监控方法、装置和系统 - Google Patents

用量监控方法、装置和系统 Download PDF

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Publication number
WO2015143851A1
WO2015143851A1 PCT/CN2014/086984 CN2014086984W WO2015143851A1 WO 2015143851 A1 WO2015143851 A1 WO 2015143851A1 CN 2014086984 W CN2014086984 W CN 2014086984W WO 2015143851 A1 WO2015143851 A1 WO 2015143851A1
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Prior art keywords
ocs
usage
policy
policy counter
pcef
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PCT/CN2014/086984
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English (en)
French (fr)
Inventor
周晓云
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中兴通讯股份有限公司
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Publication of WO2015143851A1 publication Critical patent/WO2015143851A1/zh

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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
    • H04L12/1403—Architecture for metering, charging or billing
    • H04L12/1407—Policy-and-charging control [PCC] architecture
    • 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
    • H04L12/1453—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network
    • H04L12/1467—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network involving prepayment
    • 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
    • H04M15/09—Third party charged communications
    • 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
    • H04M15/62—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP based on trigger specification
    • 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
    • H04M15/64—On-line charging system [OCS]
    • 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
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80—Rating or billing plans; Tariff determination aspects
    • H04M15/8083—Rating or billing plans; Tariff determination aspects involving reduced rates or discounts, e.g. time-of-day reductions or volume discounts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/01—Details of billing arrangements
    • H04M2215/0192—Sponsored, subsidised calls via advertising, e.g. calling cards with ads or connecting to special ads, free calling time by purchasing goods

Definitions

  • the present invention relates to the field of communications, and in particular, to a method, device and system for monitoring usage.
  • the PCC architecture is a functional framework that can be applied to multiple access technologies.
  • the PCC architecture can be applied to the UMTS (Universal Mobile Telecommunications System) terrestrial radio access network (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
  • UTRAN Universal Mobile Telecommunications System
  • UTRAN Universal Mobile Telecommunications System Terrestrial Radio Access Network
  • GSM Global System for Mobile Communication
  • EDGE Data Enhanced Evolution
  • I-WLAN Interworking Wireless Local Area Network
  • EPS Evolved Packet System
  • FIG. 1 is a schematic diagram of a related PCC composition architecture. The following describes various logical functional entities and their interface functions in the PCC architecture shown in FIG. 1. As shown in Figure 1:
  • AF Application Function Entity
  • PCRF Policy Control and Charging Rules Function
  • the PCRF is the core of the PCC and is responsible for policy decision making and billing rules.
  • the PCRF provides network control rules based on service data flows, including detection of traffic data flows, Gating Control, Quality of Service (QoS) control, and traffic 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 PCRF also needs to ensure that these rules are consistent with the user's subscription information.
  • the basis for the PCRF to formulate policies and charging rules includes: service-related information obtained from the AF, and user policy charging control related to policy control and charging obtained from the User Profile Repository (SPR). Signing 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 executes the policy and charging rules formulated 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.
  • QoS authorization, and the gating control is performed according to the execution of the AF; at the same time, the PCEF triggers the 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 the corresponding service data flow charging operation.
  • the fee can be either online or offline.
  • 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 is generally located on the gateway of the network, such as the Packet Data Network Gateway (PDN-GW) of the EPS, the GPRS Gateway Support Node (GGSN) in the General Packet Radio Service (GPRS), and the Internet of the Internet (I).
  • GPRS Packet Data Network Gateway
  • I Internet of the Internet
  • the Bearer Binding and Event Reporting Function is usually located in the Access Network Gateway.
  • the BBERF is usually located in the Access Network Gateway.
  • PMIPv6 Proxy Mobile Internet Protocol version 6
  • the BBERF exists in the S-GW.
  • the BBERF also exists in the trusted non-3GPP access gateway.
  • the User Contracted Database stores user policy charging 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.
  • the PCC supports dynamic usage monitoring control to implement dynamic policy decisions based on the total amount of real-time network resource usage.
  • Usage monitoring can be applied to a single business data stream, a group of business data streams, or all business flows for an IP-CAN session.
  • usage refers to user plane data traffic.
  • a monitoring key is used to identify an instance requiring usage monitoring. For example, when the PCRF allocates a monitoring key and a corresponding threshold for all service flows of an IP-CAN session, the PCEF will according to the threshold. Monitor all traffic flows of the IP-CAN and use the Monitoring Key to identify the reported usage.
  • the PCRF When the PCRF allocates a monitoring key and a corresponding threshold to a service flow or a group of service data flows, the PCRF carries the Monitoring Key in the PCC rule corresponding to the service data flow or a set of service data flows, and then the PCEF will according to the threshold. Monitor the service data flow corresponding to the PCC rule with the same Monitoring Key, and use the Monitoring Key to identify the reported usage.
  • the total allowed amount of a certain PDN of the user can also be saved in the SPR, that is, the total allowable amount of all service flows for an IP-CAN session, which can also be referred to as the total allowable amount per user per PDN.
  • the SPR can also store the total allowed usage of certain specific services of a user's PDN, that is, the total allowed usage for a service data stream or a group of service data streams, which can also be identified by the Monitoring Key.
  • the SPR After the user establishes an IP-CAN session to a PDN, the SPR will send the total allowed amount to the PCRF.
  • the PCRF performs the usage monitoring control, the PCRF subscribes to the PCEF subscription usage report (Usage_Report) event trigger.
  • the PCC rule with the same Monitoring Key shares the threshold corresponding to the Monitoring Key.
  • the Monitoring Key is not included in any PCC rules, all traffic data flows of the IP-CAN session share the threshold corresponding to the Monitoring Key.
  • the PCRF When PCEF detects that the usage has reached the threshold, the IP-CAN session is terminated, all PCC rules containing a Monitoring Key are deleted, or the PCRF explicitly requests the usage report, the PCEF will report to the PCRF the usage of the relevant Monitoring Key since the last report. Consumption situation. When the PCRF receives the usage report from the PCEF, the PCRF will deduct the reported usage value from the total allowable amount. If the PCEF reports the usage of a Monitoring Key and needs to continue monitoring, the PCRF will provide a new threshold to the PCEF; if no further monitoring is required, the PCRF will not provide a new threshold to the PCEF. When the user has an APN At the end of the last IP-CAN session, the PCRF will save the remaining total allowed usage in the SPR, including the total allowed amount of the PDN or the total allowed amount of certain specific services for the PDN.
  • the PCC architecture supports the so-called Sponsored Data Connectivity.
  • the so-called Sponsored Data Connectivity refers to the consumption consumption generated by the user's accessed services, which is not borne by the user but by the service provider.
  • the AF also provides Sponsored Data Connectivity information, such as Sponsor Identity, Application Service Provider, and application information, when providing the PCRF with the service information of the Sponsored Data Connectivity.
  • Sponsored Data Connectivity information such as Sponsor Identity, Application Service Provider, and application information
  • the usage threshold that the service provider may provide to the PCRF to access the service, that is, the user can access the usage of the service for free.
  • the PCRF can invoke the above-mentioned usage monitoring mechanism to perform the usage monitoring of the Sponsored Service.
  • usage monitoring can also be achieved through OCS.
  • the total allowable usage of the OCS, and the two Policy Counter Status (INQUOTA, OUTQUOTA), the OCS accumulates according to the amount reported by the PCEF through the Gy interface, and notifies the status change of the PCRF through the Sy interface.
  • the PCRF also configures an operator policy for two states to make policy decisions according to the status reported by the OCS.
  • the operator needs to adopt a mechanism to monitor the usage of the Sponsored Service.
  • the solution for monitoring the usage of the Services by the OCS cannot support the usage monitoring of the Sponsored Service.
  • the invention provides a usage monitoring method, device and system, which solves the problem that the current usage monitoring by OCS cannot support the usage monitoring of the Sponsored Service service.
  • a usage monitoring method includes: a home location policy control and charging rule function entity PCRF provides a policy counter identifier Policy Counter Id corresponding to the sponsored data connection to the online charging system OCS and a total usage corresponding to the Sponsored Data Connectivity Threshold Total Usage Threshold for the OCS to monitor usage;
  • the home PCRF formulates a policy and charging control PCC rule for the Sponsored Data Connectivity, and the PCC rule includes the charging key Charging Key that uniquely identifies the Sponsored Data Connectivity;
  • the home PCRF provides the PCC rules to the Policy Charging Enforcement Function (PCEF) for execution by the PCEF.
  • PCEF Policy Charging Enforcement Function
  • said home PCRF formulates a policy and charging control PCC rule for said Sponsored Data Connectivity, said PCC rule including said charging key Charging Key, Sponsor Id and application providing that uniquely identifies said Sponsored Data Connectivity Merchant identification ASP Id combination;
  • the home PCRF provides the PCC rules to the PCEF for execution by the PCEF.
  • the home PCRF provides the Policy Counter Id corresponding to the Sponsored Data Connectivity to the OCS and the Total Usage Threshold corresponding to the Sponsored Data Connectivity includes:
  • the home PCRF When the home PCRF and the OCS have not established a Sy session, the home PCRF sends an initial consumption restriction report carrying the Policy Counter Id and the Total Usage Threshold to the OCS; or
  • the home PCRF When the home PCRF has established a Sy session with the OCS, the home PCRF sends an intermediate consumption restriction report carrying the Policy Counter Id and the Total Usage Threshold to the OCS.
  • the home PCRF receives the Policy Counter Id sent by the OCS, and the status and the cumulative usage of the Policy Counter include: when the OCS detects a change in the Policy Counter state, the home PCRF Receiving a consumption limit report carried by the OCS that carries the status and accumulated usage of the Policy Counter.
  • the receiving, by the home PCRF, the status of the Policy Counter Id, the Policy Counter, and the accumulated usage of the Policy Counter include: after the OCS receives the final consumption limit report request sent by the home PCRF, The home PCRF receives a confirmation message that the OCS replies with the status and accumulated usage of the Policy Counter.
  • the method before the step of receiving, by the home PCRF, the acknowledgement message that is returned by the OCS after receiving the final consumption limit report request sent by the home PCRF, the method further includes:
  • the PCEF sends a credit final report to the OCS.
  • the status of the Policy Counter Id, the status and the cumulative usage of the Policy Counter sent by the home PCRF is: the final message restriction report request or intermediate consumption sent by the PCRF received by the OCS. After the report request is restricted, the home PCRF receives an acknowledgement message that is returned by the OCS and carries the Policy Counter identifier and status and accumulated usage.
  • the home PCRF before the step of receiving the confirmation message returned by the OCS after receiving the final message restriction report request or the intermediate consumption restriction report request sent by the PCRF, the home PCRF further includes: the PCEF sending the credit to the OCS request.
  • the method further includes: the home PCRF receiving the Sponsored Data from the application function entity AF The service information of the Connectivity, wherein the service information includes the Sponsor Id, the ASP Id, and the Total Usage Threshold.
  • the method further includes:
  • the home PCRF reports the cumulative usage amount to the AF.
  • the invention also provides a method for monitoring usage, comprising:
  • the OCS receives the Policy Counter Id corresponding to the Sponsored Data Connectivity provided by the home PCRF and the Total Usage Threshold corresponding to the Sponsored Data Connectivity;
  • the OCS performs credit authorization according to the Total Usage Threshold and detects a status of the Policy Counter;
  • the OCS sends the Policy Counter Id, the status of the Policy Counter, and the cumulative usage amount to the home PCRF.
  • the OCS receives a credit request that carries the Charging Key sent by the PCEF to the OCS after executing the PCC rule;
  • the OCS returns a credit control response to the PCEF, deducts the assigned Usage Threshold from the Total Usage Threshold, and updates the Total Usage Threshold to the value of the Total Usage Threshold-Usage Threshold.
  • the OCS performs the credit authorization according to the Total Usage Threshold and detects the status of the Policy Counter.
  • the OCS allocates the usage threshold to the Charging Key according to the Total Usage Threshold and detects the Policy Counter. status.
  • the OCS further includes:
  • the OCS returns a credit control response to the PCEF, deducts the assigned Usage Threshold from the Total Usage Threshold, and updates the Total Usage Threshold to the value of the Total Usage Threshold-Usage Threshold.
  • the OCS performs credit authorization according to the Total Usage Threshold and detects a status of the Policy Counter, where the OCS is the Charging Key, the Sponsor Id, and the ASP Id combination according to the Total Usage Threshold. The credit is assigned and the status of the Policy Counter is detected.
  • the status of the Policy Counter is INQUOTA;
  • the status of the Policy Counter is OUTQUOTA.
  • the invention also provides an amount monitoring device, comprising:
  • the information providing module is configured to: provide the OPS with a Policy Counter Id corresponding to the Sponsored Data Connectivity and a Total Usage Threshold corresponding to the Sponsored Data Connectivity, and perform the usage monitoring on the OCS;
  • the monitoring result receiving module is configured to: receive the Policy Counter Id sent by the OCS, the status and the cumulative usage of the Policy Counter.
  • the device further comprises:
  • a first rule making module configured to: formulate a policy and charging control PCC rule for the Sponsored Data Connectivity, the PCC rule including the charging key Charging Key that uniquely identifies the Sponsored Data Connectivity;
  • the first rule sending module is configured to: provide the PCC rule to the PCEF for execution by the PCEF.
  • the device further comprises:
  • a second rule making module configured to: formulate a policy and charging control PCC rule for the Sponsored Data Connectivity, where the PCC rule includes the charging key Charging Key, Sponsor Id, and ASP that uniquely identify the Sponsored Data Connectivity Id combination;
  • the second rule sending module is configured to: provide the PCC rule to the PCEF for execution by the PCEF.
  • the information providing module includes:
  • a first message sending unit configured to: when the home PCRF and the OCS have not established a Sy session, send an initial consumption limit report request that carries the Policy Counter Id and the Total Usage Threshold;
  • the second message sending unit is configured to: when the home PCRF has established a Sy session with the OCS, send an intermediate consumption restriction report request carrying the Policy Counter Id and the Total Usage Threshold.
  • the monitoring result receiving module includes: a first receiving unit, configured to: when the OCS detects a change of a status of the Policy Counter, receive the status and the accumulated value of the Policy Counter reported by the OCS The usage is carried by the consumption limit report.
  • the monitoring result receiving module includes: a second receiving unit, configured to: after the OCS receives the final consumption limit report request sent by the home PCRF, receive the OCS reply carrying the Policy Counter Confirmation message for status and cumulative usage.
  • the monitoring result receiving module includes:
  • the third receiving unit is configured to: after the OCS receives the final message restriction report request or the intermediate consumption limit report request sent by the PCRF, receive the Policy Counter Id and the status and accumulated usage returned by the OCS Confirmation message.
  • the apparatus further includes: a service information receiving module, configured to: receive the service information of the Sponsored Data Connectivity from the AF, wherein the service information includes the Sponsor Id, the ASP Id, and the Total Usage Threshold.
  • a service information receiving module configured to: receive the service information of the Sponsored Data Connectivity from the AF, wherein the service information includes the Sponsor Id, the ASP Id, and the Total Usage Threshold.
  • the apparatus further comprises: an information reporting module, configured to: report the accumulated usage amount to the AF.
  • the invention also provides an amount monitoring device, comprising:
  • the information receiving module is configured to: receive a Policy Counter Id corresponding to the Sponsored Data Connectivity provided by the home PCRF, and a Total Usage Threshold corresponding to the Sponsored Data Connectivity;
  • a status detection module configured to: perform credit authorization according to the Total Usage Threshold and detect a status of the Policy Counter;
  • the monitoring result reporting module is configured to: send the Policy Counter Id, the status of the Policy Counter, and the cumulative usage amount to the home PCRF.
  • the device further comprises:
  • the first credit request receiving module is configured to: receive a credit request that carries the Charging Key sent by the PCEF to the OCS after executing the PCC rule;
  • the first response module is configured to: return a credit control response to the PCEF, deduct the assigned Usage Threshold from the Total Usage Threshold, and update the Total Usage Threshold to the value of the Total Usage Threshold-Usage Threshold.
  • the state detection module comprises:
  • the first detecting unit is configured to: allocate the usage threshold to the Charging Key according to the Total Usage Threshold and detect a status of the Policy Counter.
  • the device further comprises:
  • a second credit request receiving module configured to: receive a credit request sent by the PCEF to the OCS and carry the combination of the Charging Key, Sponsor Id, and ASP Id after performing the PCC rule;
  • the second response module is configured to: return a credit control response to the PCEF, deduct the assigned Usage Threshold from the Total Usage Threshold, and update the Total Usage Threshold to Total Usage Threshold-Usage Threshold value.
  • the state detecting module includes: a second detecting unit, configured to: allocate the credit for the Charging Key, the Sponsor Id, and the ASP Id combination according to the Total Usage Threshold and detect the Policy Counter status.
  • a second detecting unit configured to: allocate the credit for the Charging Key, the Sponsor Id, and the ASP Id combination according to the Total Usage Threshold and detect the Policy Counter status.
  • the invention also provides a dosage monitoring system, including a home PCRF and an OCS;
  • the home PCRF is configured to: provide a Policy Counter Id and a Total Usage Threshold corresponding to the Sponsored Data Connectivity to the OCS, and receive the status and cumulative usage of the Policy Counter Id and the Policy Counter sent by the OCS;
  • the OCS is configured to: receive a Policy Counter Id and a Total Usage Threshold corresponding to the Sponsored Data Connectivity provided by the home PCRF, perform a credit authorization according to the Total Usage Threshold, and detect a status of the Policy Counter, to the attribution
  • the PCRF sends the status of the Policy Counter Id, the Policy Counter, and the cumulative usage.
  • the system further comprises a PCEF
  • the home PCRF is further configured to: formulate a policy and charging control PCC rule for the Sponsored Data Connectivity, the PCC rule including the charging key Charging Key that uniquely identifies the Sponsored Data Connectivity, to the PCEF Providing the PCC rules for execution by the PCEF;
  • the PCEF is configured to: execute the PCC rule, and send a credit request carrying the Charging Key to the OCS.
  • the OCS is further configured to: receive a credit request that carries the Charging Key sent to the OCS after the PCEF executes the PCC rule, return a credit control response to the PCEF, and deduct the allocated from the Total Usage Threshold Usage Threshold, which updates the Total Usage Threshold to the value of Total Usage Threshold-Usage Threshold.
  • the system further comprises a PCEF
  • the home PCRF is further configured to: formulate a policy and charging control PCC rule for the Sponsored Data Connectivity, where the PCC rule includes the charging key Charging Key, Sponsor Id and the unique identifier of the Sponsored Data Connectivity ASP Id group And providing the PCC rule to the PCEF for execution by the PCEF;
  • the PCEF is configured to: execute the PCC rule, and send a credit request carrying the Charging Key, the Sponsor Id, and the ASP Id combination to the OCS.
  • the OCS is further configured to: receive a credit request that carries the combination of the Charging Key, Sponsor Id, and ASP Id sent to the OCS after the PCEF executes the PCC rule, and return a credit control to the PCEF. Answer, deduct the assigned Usage Threshold from the Total Usage Threshold and update the Total Usage Threshold to the value of the Total Usage Threshold-Usage Threshold.
  • An embodiment of the present invention provides a usage monitoring method, apparatus, and system.
  • the home PCRF provides a Policy Counter Id corresponding to the Sponsored Data Connectivity and a Total Usage Threshold corresponding to the Sponsored Data Connectivity to the OCS for monitoring the usage of the OCS.
  • the home PCRF receives the Policy Counter Id sent by the OCS, the status of the Policy Counter, and the cumulative usage.
  • the usage monitoring of the Sponsored Service is implemented, and the solution for monitoring the usage of the Sponsored Service by the OCS cannot be supported.
  • FIG. 1 is a schematic diagram of a composition structure of a related PCC
  • FIG. 3 is a flow chart showing the cumulative usage of the OCS report when the OCS detects a state change according to the first embodiment of the present invention
  • FIG. 4 is a flow chart showing the cumulative usage of the OCS report when the IP-CAN session is terminated in the first embodiment of the present invention
  • FIG. 5 is a flowchart of the cumulative usage of the OCS report when the AF request session is terminated according to the embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of a usage monitoring device according to Embodiment 2 of the present invention.
  • FIG. 7 is a schematic structural diagram of the information providing module 601 of FIG. 6;
  • FIG. 8 is a schematic structural diagram of a monitoring result receiving module 602 of FIG. 6;
  • FIG. 9 is a schematic structural diagram of still another usage monitoring device according to Embodiment 2 of the present invention.
  • FIG. 10 is a schematic structural diagram of the state detecting module 902 of FIG. 9.
  • the operator needs to adopt a mechanism to monitor the usage of the Sponsored Service.
  • the solution for monitoring the usage of the Services by the OCS cannot support the usage monitoring of the Sponsored Service.
  • the (H-) PCRF indicates the home PCRF, for the non-roaming scenario, the PCRF, and for the roaming scenario, the H-PCRF.
  • FIG. 2 is a flowchart for implementing the OCS to obtain the allowed amount by using the method. The specific steps are as follows:
  • Step 201 Establish an IP-CAN session between the UE and the network.
  • Step 202 The UE accesses the sponsored data connection service through the established IP-CAN session.
  • Step 203 The AF initiates an AF session establishment process, and provides the (H-) PCRF with the sponsored data connection service information, including the Sponsor Id, the application provider identifier ASP Id, and the Total Usage threshold.
  • Step 204 The (H-) PCRF returns an acknowledgement message to the AF.
  • Step 205 (H-) PCRF performs policy decision. After the (H-) PCRF successfully verifies the sponsored data service information, the PCC rule is formulated. The (H-) PCRF decides to perform charging for online charging for the service. If a Charging key (here labeled CK A) configured by the operator can uniquely identify a combination of Sponsor Id and ASP Id, the PCRF only needs to include CK A in the PCC rule; if the operator does not configure a Charging key unique identifier Sponsored Id and ASP Id, then (H-)PCRF needs to include Charging Key (labeled as CK B), Sponsor Id and ASP Id in the PCC rules. In addition (H-) PCRF determines Policy Counter Id according to Sponsor Id and ASP Id, identified as PCI A.
  • CK A Charging key
  • PCRF determines Policy Counter Id according to Sponsor Id and ASP Id, identified as PCI A.
  • Step 206 If the (H-) PCRF and the OCS have not established a Sy session, an initial consumption restriction report request is initiated at the (H-) PCRF; otherwise, the (H-) PCRF sends an intermediate consumption restriction report request to the OCS.
  • the message carrying the Policy counter list includes PCI A and the total usage threshold Total Usage Threshold;
  • Step 207 The OCS saves the Total Usage Threshold.
  • the OCS returns an acknowledgement message, which returns the policy counter Id and the corresponding Status.
  • the status of PCI A is INQUOTA.
  • the Policy Counter corresponding to the Sponsor Id and the ASP Id, that is, PCI A is also pre-configured in the OCS. If the operator configures a Charging key (ie, CK A) to uniquely identify a combination of Sponsor Id and ASP Id, then PCI A corresponds to CK A one-to-one. If the operator does not configure a Charging key to uniquely identify the combination of Sponsor Id and ASP Id, then PCI A corresponds to CK B, Sponsor Id and ASP id.
  • CK A Charging key
  • the PCI A of the OCS configuration has two states, namely (INQUOTA, OUTQUOTA). If the OCS has an licensable credit (that is, an assignable Usage Threshold), the status is INQUOTA, otherwise the status is OUTQUOTA.
  • Step 208 The (H-) PCRF provides the established PCC rules to the PCEF.
  • Step 209 The PCRF returns an acknowledgement message.
  • Step 210 The PCEF sends a credit control request to the OCS, where the message carries a combination of Charging Key (CK A) or Charging Key (CK B), Sponsor Id and ASP Id.
  • CK A Charging Key
  • CK B Charging Key
  • Sponsor Id Sponsor Id
  • ASP Id ASP Id
  • Step 211 The OCS returns a credit control response, carrying a credit authorized by CK A or CK B, Sponsor Id and ASP Id (also referred to as quota Quota, and usage monitoring, which may be called Usage Threshold).
  • the OCS deducts the assigned Usage Threshold from the Total Usage Threshold, which updates the Total Usage Threshold to the value of the Total Usage Threshold-Usage Threshold.
  • Step 212 The PCEF will accumulate the usage amount used by the UE.
  • the PCEF requests a new credit from the OCS through the credit control request.
  • the OCS determines whether the Total Usage Threshold is 0. If it is not 0, the OCS is CK A or CK B, and the combination of Sponsor Id and ASP Id authorizes a new credit (ie, Usage Threshold).
  • the OCS then deducts the assigned Usage Threshold from the Total Usage Threshold, which updates the Total Usage Threshold to the value of the Total Usage Threshold-Usage Threshold.
  • the OCS detects the Policy Counter PCI A based on the credit authorization result.
  • FIG. 3 is a flow chart showing the status of the Policy Counter after the OCS detects the change of the Policy Counter status as shown in Figure 2. The specific steps are as follows:
  • Step 301 If the OCS receives the credit request of the CK A or CK B carried by the PCEF, the combination of the Sponsor Id and the ASP Id, and judges that there is no credit authorization, it is determined that the usage used by the UE has reached the Total Usage Threshold, and the OCS determines the PCI A. The state changes to OUTQUATA;
  • Step 302 The OCS actively sends a consumption restriction report message to the (H-) PCRF, carrying a Policy Counter ID (PCI A), and the status is OUTQUATA.
  • the message can also carry Accumulated Usage (equal to Total Usage Threshold);
  • Step 303 The (H-) PCRF returns an acknowledgement message to the OCS.
  • Step 304 The (H-) PCRF reports the accumulated usage to the AF.
  • Step 305 AF returns a confirmation message
  • Step 306 The (H-) PCRF may adjust the policy and initiate an IP-CAN session modification process to update the PCC rules installed by the PCEF.
  • FIG. 4 is a flow chart showing the cumulative usage of the OCS when the IP-CAN session is terminated. The specific steps are as follows:
  • Step 401 The PCEF receives the trigger and decides to terminate the IP-CAN session.
  • Step 402 The PCEF sends a credit final report to the OCS, including the cumulative usage of the sponsored data service in FIG. 3 that the user has consumed.
  • Step 403 The OCS performs credit statistics, including the cumulative usage statistics of the sponsored data services in FIG.
  • the OCS returns an acknowledgement message to terminate the online charging session.
  • Step 404 The PCEF sends an IP-CAN session termination request to the PCRF.
  • Step 405 The (H-) PCRF sends a final consumption restriction report request to the OCS.
  • Step 406 The OCS returns an acknowledgement message to the (H-) PCRF, carrying the Policy Counter List and the corresponding Status.
  • PCI A Policy Counter Id
  • the OCS needs to return an acknowledgment message to the (H-) PCRF after receiving the usage statistics of the credit report sent by the PCEF to the OCS.
  • Step 407 The (H-) PCRF sends an AF session termination request to the AF, where the message carries an Accumulated Usage;
  • Step 408 The AF returns a confirmation message.
  • Step 409 The (H-) PCRF returns an acknowledgement message to the PCEF.
  • Step 410 The PCEF returns a confirmation message.
  • Figure 5 is a flow chart showing the cumulative usage of the OCS when the AF request session is terminated. Specific steps are as follows:
  • Step 501 The AF sends an AF session request message to the (H-) PCRF.
  • Step 502 The (H-) PCRF initiates an IP-CAN session modification request, and deletes the PCC rule corresponding to the AF session.
  • Step 503 The PCEF returns a confirmation message after deleting the PCC rule.
  • Step 504 The PCEF sends a credit request to the OCS, and reports the remaining credit or accumulated usage of the deleted PCC rule.
  • Step 505 After the OCS performs credit statistics, a confirmation message is returned.
  • Step 506 The (H-) PCRF sends a final consumption restriction request or an intermediate consumption restriction report request message to the OCS.
  • the final consumption restriction request is sent. If the H-PCRF considers that there are other policy decisions in addition to the sponsor service, it needs to be based on the Policy Counter in the OCS. In the status, an intermediate consumption limit report request message is sent.
  • Step 507 The OCS returns an acknowledgement message carrying a Policy Counter Id (PCI A), Status and Accumulated Usage;
  • PCI A Policy Counter Id
  • PCI A Policy Counter Id
  • Accumulated Usage
  • the OCS needs to return a confirmation message to the H-PCRF after receiving the usage statistics of the credit report sent by the PCEF to the OCS.
  • Step 508 The (H-) PCRF returns an AF session confirmation message to the AF, carrying the Accumulated Usage.
  • the PCEF may report the accumulated consumption amount to the OCS, and may report the remaining usage amount to the OCS. After obtaining the accumulated consumption amount of the UE, the OCS provides the cumulative usage amount to the PCRF.
  • the embodiment of the invention provides a usage monitoring device.
  • the structure of the device is as shown in FIG. 6 and includes:
  • the information providing module 601 is configured to provide, to the OCS, a Policy Counter Id corresponding to the Sponsored Data Connectivity and a Total Usage Threshold corresponding to the Sponsored Data Connectivity, where the OCS performs usage monitoring;
  • the monitoring result receiving module 602 is configured to receive the status of the Policy Counter Id, the Policy Counter, and the cumulative usage of the Policy Counter sent by the OCS.
  • the device further comprises:
  • a first rule making module 603, configured to formulate a policy and charging control PCC rule for the Sponsored Data Connectivity, where the PCC rule includes the charging key Charging Key that uniquely identifies the Sponsored Data Connectivity;
  • the first rule sending module 604 is configured to provide the PCC rule to the PCEF for execution by the PCEF.
  • the device further comprises:
  • a second rule formulation module 605 configured to formulate a policy and charging control PCC rule for the Sponsored Data Connectivity, where the PCC rule includes the charging key Charging Key, Sponsor Id, and ASP that uniquely identify the Sponsored Data Connectivity Id combination;
  • the second rule sending module 606 is configured to provide the PCC rule to the PCEF for execution by the PCEF.
  • the structure of the information providing module 601 is as shown in FIG. 7, and includes:
  • the first message sending unit 6011 is configured to: the home PCRF and the OCS are not built yet. Sending an initial consumption limit report request carrying the Policy Counter Id and the Total Usage Threshold when the Sy session is established;
  • the second message sending unit 6012 is configured to send an intermediate consumption restriction report request carrying the Policy Counter Id and the Total Usage Threshold when the home PCRF has established a Sy session with the OCS.
  • the structure of the monitoring result receiving module 602 is as shown in FIG. 8 and includes:
  • the first receiving unit 6021 is configured to receive, when the OCS detects a change of the status of the Policy Counter, the consumption limit report carried by the OCS that carries the status and the accumulated usage of the Policy Counter.
  • the monitoring result receiving module 602 includes: a second receiving unit 6022, configured to receive the policy of the OCS reply carrying the policy after the OCS receives the final consumption restriction report request sent by the home PCRF Confirmation message of the status and cumulative usage of the Counter.
  • the monitoring result receiving module 602 includes:
  • the third receiving unit 6023 is configured to receive, after the OCS receives the final message restriction report request or the intermediate consumption restriction report request sent by the local PCRF, the OCR returned to carry the Policy Counter Id and the status and accumulated usage. Confirmation message.
  • the device further includes: a service information receiving module 607, configured to receive the service information of the Sponsored Data Connectivity from the AF, wherein the service information includes the Sponsor Id, the ASP Id, and the Total Usage Threshold.
  • a service information receiving module 607 configured to receive the service information of the Sponsored Data Connectivity from the AF, wherein the service information includes the Sponsor Id, the ASP Id, and the Total Usage Threshold.
  • the apparatus further includes: an information reporting module 608, configured to report the accumulated usage amount to the AF.
  • the usage monitoring device shown in FIG. 6 to FIG. 8 can be integrated into the home PCRF, and the corresponding function is performed by the home PCRF.
  • the embodiment of the present invention further provides a usage monitoring device.
  • the structure of the device is as shown in FIG. 9 and includes:
  • the information receiving module 901 is configured to receive a Policy Counter Id corresponding to the Sponsored Data Connectivity provided by the home PCRF and a Total Usage Threshold corresponding to the Sponsored Data Connectivity;
  • a status detecting module 902 configured to perform credit authorization according to the Total Usage Threshold and detect a status of the Policy Counter;
  • the monitoring result reporting module 903 is configured to send the status of the Policy Counter Id, the Policy Counter, and the cumulative usage amount to the home PCRF.
  • the device further comprises:
  • the first credit request receiving module 904 is configured to receive a credit request that carries the Charging Key sent by the PCEF to the OCS after executing the PCC rule;
  • the first response module 905 is configured to return a credit control response to the PCEF, deduct the assigned Usage Threshold from the Total Usage Threshold, and update the Total Usage Threshold to the value of the Total Usage Threshold-Usage Threshold.
  • the structure of the state detecting module 902 is as shown in FIG. 10, and includes:
  • the first detecting unit 9021 is configured to allocate the usage threshold to the Charging Key according to the Total Usage Threshold and detect a status of the Policy Counter.
  • the device further comprises:
  • the second credit request receiving module 906 is configured to receive a credit request that is sent by the PCEF to the OCS and that carries the combination of the Charging Key, the Sponsor Id, and the ASP Id;
  • the second response module 907 is configured to return a credit control response to the PCEF, deduct the assigned Usage Threshold from the Total Usage Threshold, and update the Total Usage Threshold to the value of the Total Usage Threshold-Usage Threshold.
  • the state detecting module 902 includes: a second detecting unit 9022, configured to allocate the credit and detect the policy for the Charging Key, the Sponsor Id, and the ASP Id combination according to the Total Usage Threshold The state of the Counter.
  • the usage monitoring device shown in Figures 9 and 10 can be integrated into the OCS, and the corresponding functions are performed by the OCS.
  • the embodiment of the present invention further provides a usage monitoring system, including a home PCRF integrated with the usage monitoring device shown in FIG. 6 to FIG. 8 and an OCS integrated with FIG. 9 and FIG. 10;
  • the home PCRF for providing the corresponding OCS with the Sponsored Data Connectivity a Policy Counter Id and a Total Usage Threshold, receiving the status of the Policy Counter Id, the Policy Counter, and the cumulative usage of the Policy Counter sent by the OCS;
  • the OCS is configured to receive a Policy Counter Id and a Total Usage Threshold corresponding to the Sponsored Data Connectivity provided by the home PCRF, perform credit authorization according to the Total Usage Threshold, and detect a status of the Policy Counter, to the attribution
  • the PCRF sends the Policy Counter Id, the status of the Policy Counter, and the cumulative usage.
  • the system further comprises a PCEF
  • the home PCRF is further configured to formulate a policy and charging control PCC rule for the Sponsored Data Connectivity, where the PCC rule includes the charging key Charging Key that uniquely identifies the Sponsored Data Connectivity, and provides the PCEF with the charging key
  • the PCC rules are executed by the PCEF;
  • the PCEF is configured to execute the PCC rule, and send a credit request carrying the Charging Key to the OCS.
  • the OCS is further configured to receive a credit request that carries the Charging Key sent by the PCEF to the OCS after performing the PCC rule, return a credit control response to the PCEF, and deduct the allocated Usage from the Total Usage Threshold. Threshold, which updates the Total Usage Threshold to the value of the Total Usage Threshold-Usage Threshold.
  • the system further comprises a PCEF
  • the home PCRF is further configured to formulate a policy and charging control PCC rule for the Sponsored Data Connectivity, where the PCC rule includes the charging key Charging Key, Sponsor Id, and ASP that uniquely identify the Sponsored Data Connectivity Id combining, providing the PCC rule to the PCEF for execution by the PCEF;
  • the PCEF is configured to execute the PCC rule, and send a credit request carrying the Charging Key, the Sponsor Id, and the ASP Id combination to the OCS.
  • the OCS is further configured to receive a credit request that is sent by the PCEF to the OCS and that carries the combination of the Charging Key, the Sponsor Id, and the ASP Id, and return a credit control response to the PCEF. , deducting the allocation from the Total Usage Threshold Usage Threshold, which updates the Total Usage Threshold to the value of Total Usage Threshold-Usage Threshold.
  • all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve. Thus, the invention is not limited to any specific combination of hardware and software.
  • the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • each device/function module/functional unit in the above embodiment When each device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • An embodiment of the present invention provides a usage monitoring method, apparatus, and system.
  • the home PCRF provides a Policy Counter Id corresponding to the Sponsored Data Connectivity and a Total Usage Threshold corresponding to the Sponsored Data Connectivity to the OCS for monitoring the usage of the OCS.
  • the home PCRF receives the Policy Counter Id sent by the OCS, the status of the Policy Counter, and the cumulative usage.
  • the usage monitoring of the Sponsored Service is implemented, and the solution for monitoring the usage of the Sponsored Service by the OCS cannot be supported.

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Abstract

一种用量监控方法、装置和系统。涉及通信领域；解决了目前通过OCS实现用量监控的方案无法支持针对Sponsored Service业务的用量监控的问题。该方法包括：归属地PCRF向OCS提供Sponsored Data Connectivity对应的Policy Counter Id及该Sponsored Data Connectivity对应的Total Usage Threshold，供所述OCS进行用量监控；所述归属地PCRF接收所述OCS发送的所述Policy Counter Id、所述Policy Counter的状态和累计用量。本发明实施例提供的技术方案适用于PCC架构，实现了对Sponsored Service的用量监控。

Description

用量监控方法、装置和系统 技术领域
本发明涉及通信领域，尤其涉及一种用量监控方法、装置和系统。
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为相关PCC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功能进行描述。如图1所示：
应用功能实体(AF)，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)。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)。其中，AF和PCRF之间的接口是Rx接口。
PCRF是PCC的核心，用于负责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QoS授权，并根据AF的执行进行门控控制；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，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)一起进行信用管理；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。
承载绑定和事件报告功能实体(BBERF，Bearer Binding and Event Reporting Function)通常位于接入网网关(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(PMIPv6，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。
相关技术中，PCC支持动态的用量监测控制，以实现基于实时的网络资源使用总量执行动态的策略决策。用量监测可应用于单个业务数据流、一组业务数据流或者一个IP-CAN会话的所有业务流。目前，用量(usage)指用户面数据流量。相关技术中，采用监测键(Monitoring Key)来标识一个需要用量监测的实例，比如：当PCRF为一个IP-CAN会话的所有业务流分配了Monitoring Key以及相应的阈值，那么，PCEF将根据该阈值监测IP-CAN的所有业务流流量，并用该Monitoring Key来标识上报的用量。当PCRF为一个业务流或一组业务数据流分配了Monitoring Key以及相应的阈值，PCRF将Monitoring Key携带在这个业务数据流或一组业务数据流对应的PCC规则中，那么，PCEF将根据该阈值监测具有相同Monitoring Key的PCC规则所对应的业务数据流流量，并用该Monitoring Key标识上报的用量。
同时，在SPR中还可以保存用户某个PDN的总允许用量，即针对一个IP-CAN会话的所有业务流的总允许用量，也可以称为每PDN每用户的总允许用量。SPR中还可以保存用户某个PDN的某些具体业务的总允许用量，即针对一个业务数据流或一组业务数据流的总允许用量，通常也可以用Monitoring Key进行标识。
当用户建立到某个PDN的IP-CAN会话后，SPR将总允许用量下发给PCRF。PCRF进行用量监测控制时，PCRF向PCEF订阅用量上报(Usage_Report)事件触发器。当Monitoring Key包含在PCC规则中下发后，具有相同Monitoring Key的PCC规则共享该Monitoring Key对应的阈值。当Monitoring Key不包含在任何PCC规则中时，IP-CAN会话的所有业务数据流共享该Monitoring Key对应的阈值。PCEF监测到用量已达到阈值、IP-CAN会话终结、包含某个Monitoring Key的所有PCC规则均被删除或者PCRF显式请求用量上报时，PCEF将向PCRF报告自从上一次上报以来相关Monitoring Key的用量消耗情况。当PCRF收到来自PCEF的用量上报后，PCRF将从总允许用量中扣除上报的用量值。如果PCEF上报某个Monitoring Key的用量并且需要继续进行监测，那么，PCRF将提供新的阈值给PCEF；若无需继续进行监测，PCRF不提供新的阈值给PCEF。当用户的一个APN 的最后一个IP-CAN会话终结时，PCRF将在SPR中保存剩余的总允许用量，包括该PDN的总允许用量或该PDN的某些具体业务的总允许用量。
目前，PCC架构支持称为被赞助数据连接(Sponsored data connectivity)，所谓Sponsored Data Connectivity是指用户所访问业务产生的用量消耗，并不是由用户自己承担，而是由业务提供方承担，此时，当用户发起该类业务访问时，AF在向PCRF提供Sponsored Data Connectivity的业务信息时，还提供Sponsored Data Connectivity信息，例如赞助商标识(Sponsor Identity)、标识业务提供商(Application Service Provider)和应用信息，以及可能向PCRF提供的业务提供方赞助访问该类业务的用量阈值，即用户可以免费访问该类业务的用量。当PCRF从AF获取用量阈值后，PCRF便可以调用上述的用量监控机制执行对Sponsored Service的用量监控。
此外，用量监控也可以通过OCS来实现。OCS配置总允许用量，以及两个Policy Counter Status(INQUOTA，OUTQUOTA)，OCS根据PCEF通过Gy接口上报的用量进行累计，并通过Sy接口通知PCRF的状态变化。同时PCRF也配置针对两个状态的运营商策略，以便根据OCS上报的状态来进行策略决策。
运营商为了简化部署方案，需要采用一个机制实现对Sponsored Service的用量监控，然而目前通过OCS实现用量监控的方案无法支持针对Sponsored Service业务的用量监控。
发明内容
本发明提供了一种用量监控方法、装置和系统，解决了目前通过OCS实现用量监控的方案无法支持针对Sponsored Service业务的用量监控的问题。
一种用量监控方法，包括：归属地策略控制与计费规则功能实体PCRF向在线计费系统OCS提供被赞助数据连接Sponsored Data Connectivity对应的策略计数器标识Policy Counter Id及该Sponsored Data Connectivity对应的总用量阈值Total Usage Threshold，供所述OCS进行用量监控；
所述归属地PCRF接收所述OCS发送的所述Policy Counter Id、所述 Policy Counter的状态和累计用量。
优选的，所述归属地PCRF为所述Sponsored Data Connectivity制定策略和计费控制PCC规则，所述PCC规则包含所述唯一标识所述Sponsored Data Connectivity的计费键Charging Key；
所述归属地PCRF向策略计费执行功能(PCEF)提供所述PCC规则以供所述PCEF执行。
优选的，所述归属地PCRF为所述Sponsored Data Connectivity制定策略和计费控制PCC规则，在所述PCC规则包含所述唯一标识所述Sponsored Data Connectivity的计费键Charging Key、Sponsor Id和应用提供商标识ASP Id组合；
所述归属地PCRF向所述PCEF提供所述PCC规则以供所述PCEF执行。
优选的，归属地PCRF向OCS提供Sponsored Data Connectivity对应的Policy Counter Id及该Sponsored Data Connectivity对应的Total Usage Threshold包括：
在所述归属地PCRF与所述OCS还未建立Sy会话时，所述归属地PCRF向所述OCS发送携带有所述Policy Counter Id及Total Usage Threshold的初始消费限制报告；或，
在所述归属地PCRF已与所述OCS建立Sy会话时，所述归属地PCRF向所述OCS发送携带有所述Policy Counter Id及Total Usage Threshold的中间消费限制报告。
优选的，所述归属地PCRF接收所述OCS发送的所述Policy Counter Id、所述Policy Counter的状态和累计用量包括：在所述OCS在检测到Policy Counter状态发生变化时，所述归属地PCRF接收所述OCS上报的携带有所述Policy Counter的状态和累计用量的消费限制报告携带。
优选的，所述归属地PCRF接收所述OCS发送的所述Policy Counter Id、所述Policy Counter的状态和累计用量包括：在所述OCS接收到该归属地PCRF发送的最终消费限制报告请求后，所述归属地PCRF接收所述OCS回复的携带有所述Policy Counter的状态和累计用量的确认消息。
优选的，所述归属地PCRF接收所述OCS在接收到该归属地PCRF发送的最终消费限制报告请求后回复的确认消息的步骤之前，还包括：
PCEF向所述OCS发送信用最终报告。
优选的，所述归属地PCRF接收所述OCS发送的所述Policy Counter Id、所述Policy Counter的状态和累计用量包括：在所述OCS接收到该地PCRF发送的最终消息限制报告请求或中间消费限制报告请求后，所述归属地PCRF接收所述OCS返回的携带有所述Policy Counter标识及状态和累计用量的确认消息。
优选的，所述归属地PCRF接收所述OCS在接收到该地PCRF发送的最终消息限制报告请求或中间消费限制报告请求后返回的确认消息的步骤之前，还包括：PCEF向所述OCS发送信用请求。
优选的，在所述归属地PCRF向所述OCS提供所述Sponsored Data Connectivity对应的Policy Counter Id及Total Usage Threshold的步骤之前，还包括：所述归属地PCRF从应用功能实体AF接收所述Sponsored Data Connectivity的业务信息，其中所述业务信息包括所述Sponsor Id、所述ASP Id和所述Total Usage Threshold。
优选的，所述归属地PCRF接收所述OCS发送的所述Policy Counter Id、所述Policy Counter的状态和累计用量的步骤之后，还包括：
所述归属地PCRF向所述AF报告所述累计用量。
本发明还提供了一种用量监控方法，包括：
OCS接收归属地PCRF提供的Sponsored Data Connectivity对应的Policy Counter Id及该Sponsored Data Connectivity对应的Total Usage Threshold；
所述OCS根据所述Total Usage Threshold进行信用授权并检测所述Policy Counter的状态；
所述OCS向所述归属地PCRF发送所述Policy Counter Id、所述Policy Counter的状态和累计用量。
优选的，所述OCS接收PCEF执行所述PCC规则后向该OCS发送的携带所述Charging Key的信用请求；
所述OCS向所述PCEF返回信用控制应答，从所述Total Usage Threshold中扣除分配的Usage Threshold，将Total Usage Threshold更新为Total Usage Threshold－Usage Threshold的取值。
优选的，所述OCS根据所述Total Usage Threshold进行信用授权并检测所述Policy Counter的状态包括：所述OCS根据所述Total Usage Threshold为所述Charging Key分配所述用量阈值并检测所述Policy Counter的状态。
优选的，OCS接收归属地PCRF提供的Sponsored Data Connectivity对应的Policy Counter Id及Total Usage Threshold的步骤之前，还包括：
所述OCS接收PCEF执行所述PCC规则后向所述OCS发送的携带所述Charging Key、Sponsor Id和ASP Id组合的信用请求；
所述OCS向所述PCEF返回信用控制应答，从Total Usage Threshold中扣除分配的Usage Threshold，将Total Usage Threshold更新为Total Usage Threshold－Usage Threshold的取值。
优选的，所述OCS根据所述Total Usage Threshold进行信用授权并检测所述Policy Counter的状态包括：所述OCS根据所述Total Usage Threshold为所述Charging Key、所述Sponsor Id和所述ASP Id组合分配所述信用并检测所述Policy Counter的状态。
优选的，当所述OCS可以为所述Sponsored Data Connectivity进行信用授权时，所述Policy Counter的状态为INQUOTA；
当所述OCS无法为所述Sponsored Data Connectivity进行信用授权时，所述Policy Counter的状态为OUTQUOTA。
本发明还提供了一种用量监控装置，包括：
信息提供模块，设置为：向OCS提供Sponsored Data Connectivity对应的Policy Counter Id及该Sponsored Data Connectivity对应的Total Usage Threshold，供所述OCS进行用量监控；
监控结果接收模块，设置为：接收所述OCS发送的所述Policy Counter Id、所述Policy Counter的状态和累计用量。
优选的，该装置还包括：
第一规则制定模块，设置为：为所述Sponsored Data Connectivity制定策略和计费控制PCC规则，所述PCC规则包含所述唯一标识所述Sponsored Data Connectivity的计费键Charging Key；
第一规则发送模块，设置为：向PCEF提供所述PCC规则以供所述PCEF执行。
优选的，该装置还包括：
第二规则制定模块，设置为：为所述Sponsored Data Connectivity制定策略和计费控制PCC规则，在所述PCC规则包含所述唯一标识所述Sponsored Data Connectivity的计费键Charging Key、Sponsor Id和ASP Id组合；
第二规则发送模块，设置为：向所述PCEF提供所述PCC规则以供所述PCEF执行。
优选的，所述信息提供模块包括：
第一消息发送单元，设置为：在所述归属地PCRF与所述OCS还未建立Sy会话时，发送携带有所述Policy Counter Id及Total Usage Threshold的初始消费限制报告请求；
第二消息发送单元，设置为：在所述归属地PCRF已与所述OCS建立Sy会话时，发送携带有所述Policy Counter Id及Total Usage Threshold的中间消费限制报告请求。
优选的，所述监控结果接收模块包括：第一接收单元，设置为：在所述OCS在检测到Policy Counter的状态发生变化时，接收所述OCS上报的携带有所述Policy Counter的状态和累计用量由的消费限制报告携带。
优选的，所述监控结果接收模块包括：第二接收单元，设置为：在所述OCS接收到该归属地PCRF发送的最终消费限制报告请求后，接收所述OCS回复的携带有所述Policy Counter的状态和累计用量的确认消息。
优选的，所述监控结果接收模块包括：
第三接收单元，设置为：在所述OCS接收到该地PCRF发送的最终消息限制报告请求或中间消费限制报告请求后，接收所述OCS返回的携带有所述Policy Counter Id及状态和累计用量的确认消息。
优选的，该装置还包括：业务信息接收模块，设置为：从AF接收所述Sponsored Data Connectivity的业务信息，其中所述业务信息包括所述Sponsor Id、所述ASP Id和所述Total Usage Threshold。
优选的，该装置还包括：信息报告模块，设置为：向所述AF报告所述累计用量。
本发明还提供了一种用量监控装置，包括：
信息接收模块，设置为：接收归属地PCRF提供的Sponsored Data Connectivity对应的Policy Counter Id及该Sponsored Data Connectivity对应的Total Usage Threshold；
状态检测模块，设置为：根据所述Total Usage Threshold进行信用授权并检测所述Policy Counter的状态；
监控结果上报模块，设置为：向所述归属地PCRF发送所述Policy Counter Id、所述Policy Counter的状态和累计用量。
优选的，该装置还包括：
第一信用请求接收模块，设置为：接收PCEF执行所述PCC规则后向该OCS发送的携带所述Charging Key的信用请求；
第一应答模块，设置为：向所述PCEF返回信用控制应答，从Total Usage Threshold中扣除分配的Usage Threshold，将Total Usage Threshold更新为Total Usage Threshold－Usage Threshold的取值。
优选的，所述状态检测模块包括：
第一检测单元，设置为：根据所述Total Usage Threshold为所述Charging Key分配所述用量阈值并检测所述Policy Counter的状态。
优选的，该装置还包括：
第二信用请求接收模块，设置为：接收PCEF执行所述PCC规则后向所述OCS发送的携带所述Charging Key、Sponsor Id和ASP Id组合的信用请求；
第二应答模块，设置为：向所述PCEF返回信用控制应答，从Total Usage Threshold中扣除分配的Usage Threshold，将Total Usage Threshold更新为 Total Usage Threshold－Usage Threshold的取值。
优选的，所述状态检测模块包括：第二检测单元，设置为：根据所述Total Usage Threshold为所述Charging Key、所述Sponsor Id和所述ASP Id组合分配所述信用并检测所述Policy Counter的状态。
本发明还提供了一种用量监控系统，包括归属地PCRF和OCS；
所述归属地PCRF，设置为：向OCS提供Sponsored Data Connectivity对应的Policy Counter Id及Total Usage Threshold，接收所述OCS发送的所述Policy Counter Id、所述Policy Counter的状态和累计用量；
所述OCS，设置为：接收所述归属地PCRF提供的Sponsored Data Connectivity对应的Policy Counter Id及Total Usage Threshold，根据所述Total Usage Threshold进行信用授权并检测所述Policy Counter的状态，向所述归属地PCRF发送所述Policy Counter Id、所述Policy Counter的状态和累计用量。
优选的，该系统还包括PCEF；
所述归属地PCRF，还设置为：为所述Sponsored Data Connectivity制定策略和计费控制PCC规则，所述PCC规则包含所述唯一标识所述Sponsored Data Connectivity的计费键Charging Key，向所述PCEF提供所述PCC规则以供所述PCEF执行；
所述PCEF，设置为：执行所述PCC规则，并向所述OCS发送携带所述Charging Key的信用请求。
优选的，所述OCS，还设置为：接收PCEF执行所述PCC规则后向该OCS发送的携带所述Charging Key的信用请求，向所述PCEF返回信用控制应答，从Total Usage Threshold中扣除分配的Usage Threshold，将Total Usage Threshold更新为Total Usage Threshold－Usage Threshold的取值。
优选的，该系统还包括PCEF；
所述归属地PCRF，还设置为：为所述Sponsored Data Connectivity制定策略和计费控制PCC规则，在所述PCC规则包含所述唯一标识所述Sponsored Data Connectivity的计费键Charging Key、Sponsor Id和ASP Id组 合，向所述PCEF提供所述PCC规则以供所述PCEF执行；
所述PCEF，设置为：执行所述PCC规则，并向所述OCS发送携带所述Charging Key、Sponsor Id和ASP Id组合的信用请求。
优选的，所述OCS，还设置为：接收所述PCEF执行所述PCC规则后向所述OCS发送的携带所述Charging Key、Sponsor Id和ASP Id组合的信用请求，向所述PCEF返回信用控制应答，从Total Usage Threshold中扣除分配的Usage Threshold，将Total Usage Threshold更新为Total Usage Threshold－Usage Threshold的取值。
本发明实施例提供了一种用量监控方法、装置和系统，归属地PCRF向OCS提供Sponsored Data Connectivity对应的Policy Counter Id及该Sponsored Data Connectivity对应的Total Usage Threshold，供所述OCS进行用量监控，所述归属地PCRF接收所述OCS发送的所述Policy Counter Id、所述Policy Counter的状态和累计用量。实现了对Sponsored Service的用量监控，解决了通过OCS实现用量监控的方案无法支持针对Sponsored Service业务的用量监控的问题。
附图概述
图1为相关PCC组成架构示意图；
图2为本发明的实施例一中实现OCS获取允许用量的流程图；
图3为本发明的实施例一中实现OCS检测到状态变化时，OCS报告累计用量的流程图；
图4为本发明的实施例一中实现IP-CAN会话终结时，OCS报告累计用量的流程图；
图5为本发明的实施例一实现AF请求会话终结时，OCS报告累计用量的流程图；
图6为本发明的实施例二提供的一种用量监控装置的结构示意图；
图7为图6中信息提供模块601的结构示意图；
图8为图6中监控结果接收模块602的结构示意图；
图9为本发明的实施例二提供的又一种用量监控装置的结构示意图；
图10为图9中状态检测模块902的结构示意图。
本发明的较佳实施方式
运营商为了简化部署方案，需要采用一个机制实现对Sponsored Service的用量监控，然而目前通过OCS实现用量监控的方案无法支持针对Sponsored Service业务的用量监控。
为了解决上述问题，本发明的实施例提供了一种用量监控方法、装置和系统。下文中将结合附图对本发明的实施例进行详细说明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互任意组合。
需要说明的是，本发明的实施例中以(H-)PCRF表示归属地PCRF，对于非漫游场景，为PCRF；对于漫游场景，为H-PCRF。
首先结合附图，对本发明的实施例一进行说明。
本发明实施例提供了一种用量监控方法，图2为使用该方法实现OCS获取允许用量的流程图，具体步骤如下：
步骤201：UE与网络之间建立IP-CAN会话。
步骤202：UE通过建立的IP-CAN会话访问被赞助数据连接业务。
步骤203：AF发起AF会话建立流程，向(H-)PCRF提供被赞助数据连接业务信息，包括Sponsor Id，应用提供商标识ASP Id和Total Usage threshold。
步骤204：(H-)PCRF向AF返回确认消息；
步骤205：(H-)PCRF进行策略决策。(H-)PCRF对被赞助数据业务信息进行校验成功后，制定PCC规则。(H-)PCRF决定针对该业务采用在线计费的方式进行计费。若运营商配置的一个Charging key(这里标记为CK A)可以唯一标识一个Sponsor Id和ASP Id组合，那么PCRF在PCC规则中只需要包含CK A；若运营商没有配置一个Charging key唯一标识一个 Sponsor Id和ASP Id组合，那么(H-)PCRF在PCC规则中需要包含Charging Key(标记为CK B)，Sponsor Id和ASP Id。此外(H-)PCRF根据Sponsor Id和ASP Id确定Policy Counter Id，标识为PCI A。
步骤206：若(H-)PCRF与OCS还未建立Sy会话，在(H-)PCRF发起初始消费限制报告请求；否则(H-)PCRF向OCS发送中间消费限制报告请求。消息中携带Policy counter list中包含PCI A以及总用量阈值Total Usage Threshold；
步骤207：OCS保存Total Usage Threshold。OCS返回确认消息，消息中返回policy counter Id以及对应的Status。其中PCI A的状态为INQUOTA。OCS中也预先配置Sponsor Id和ASP Id对应的Policy counter，即PCI A。若运营商配置一个Charging key(即CK A)可以唯一标识一个Sponsor Id和ASP Id组合，那么PCI A是和CK A一一对应的。若运营商没有配置一个Charging key唯一标识Sponsor Id和ASP Id组合，那么PCI A是与CK B，Sponsor Id和ASP id一一对应的。此外OCS配置的PCI A有两个状态，即(INQUOTA，OUTQUOTA)。若OCS有可授权的信用(即可分配的Usage Threshold),则状态为INQUOTA，否则状态为OUTQUOTA。
步骤208：(H-)PCRF向PCEF提供制定的PCC规则。
步骤209：PCRF返回确认消息。
步骤210：PCEF向OCS发送信用控制请求，消息中携带Charging Key(CK A)或Charging Key(CK B)，Sponsor Id和ASP Id的组合。
步骤211：OCS返回信用控制应答，携带为CK A或CK B，Sponsor Id和ASP Id组合授权的信用(也可称为配额Quota，对用量监控，可称为Usage Threshold)。OCS从Total Usage Threshold中扣除分配的Usage Threshold，即将Total Usage Threshold更新为Total Usage Threshold-Usage Threshold的取值。
步骤212：PCEF将对UE使用的用量进行累计，当PCEF请求的信用(即Quota或Usage Threshold)用完时，PCEF通过信用控制请求向OCS请求新的信用。OCS判断Total Usage Threshold是否为0，若不为0，则OCS为CK A或CK B，Sponsor Id和ASP Id组合授权新的信用(即Usage Threshold)， 然后OCS从Total Usage Threshold中扣除分配的Usage Threshold，即将Total Usage Threshold更新为Total Usage Threshold-Usage Threshold的取值。OCS根据信用授权结果，对Policy Counter PCI A进行检测。
图3为如图2所示，OCS检测到Policy Counter状态变化后，上报状态的流程图，具体步骤如下：
步骤301：若OCS收到PCEF携带的CK A或CK B，Sponsor Id和ASP Id组合的信用请求后，判断没有信用可授权，，判断UE使用的用量已经达到Total Usage Threshold，OCS判断PCI A的状态变化为OUTQUATA；
步骤302：OCS主动向(H-)PCRF发送消费限制报告消息，携带Policy Counter ID(PCI A)，Status为OUTQUATA。消息中还可以携带Accumulated Usage(等于Total Usage Threshold)；
步骤303：(H-)PCRF向OCS返回确认消息。
步骤304：(H-)PCRF向AF上报Accumulated Usage。
步骤305：AF返回确认消息
步骤306：(H-)PCRF可能会调整策略，并发起IP-CAN会话修改流程更新PCEF安装的PCC规则。
图4为IP-CAN会话终止时，OCS上报累计用量的流程图，具体步骤如下：
步骤401：PCEF收到触发，决定终结IP-CAN会话。
步骤402：PCEF向OCS发送信用最终报告，其中包括用户已经消耗的图3中被赞助数据业务的累计用量。
步骤403：OCS进行信用统计，包括图3中被赞助数据业务的累计用量统计。OCS返回确认消息，终结在线计费会话。
步骤404：PCEF向PCRF发送IP-CAN会话终结请求。
步骤405：(H-)PCRF向OCS发送最终消费限制报告请求；
步骤406：OCS向(H-)PCRF返回确认消息，携带Policy Counter List以及对应的Status。其中包括Policy Counter Id(PCI A)，以及Accumulated  Usage；
为了统计准确，OCS需要在接收到PCEF向OCS发送的信用最终报告进行用量统计后再向(H-)PCRF返回确认消息。
步骤407：(H-)PCRF向AF发送AF会话终结请求，消息中携带Accumulated Usage；
步骤408：AF返回确认消息；
步骤409：(H-)PCRF向PCEF返回确认消息；
步骤410：PCEF返回确认消息。
图5为AF请求会话终结时，OCS上报累计用量的流程图。具体步骤如下：
步骤501：AF向(H-)PCRF发送AF会话请求消息。
步骤502：(H-)PCRF发起IP-CAN会话修改请求，删除AF会话对应的PCC规则。
步骤503：PCEF删除PCC规则后返回确认消息。
步骤504：PCEF向OCS发送信用请求，上报被删除PCC规则剩余的信用或累计的用量。
步骤505：OCS进行信用统计后，返回确认消息。
步骤506：(H-)PCRF向OCS发送最终消费限制请求或中间消费限制报告请求消息；
本步骤中，若PCRF认为无任何策略决策需要根据OCS中的Policy Counter的状态时，发送最终消费限制请求，若H-PCRF认为除了sponsor业务外还有其他策略决策需要根据OCS中的Policy Counter的状态时，发送中间消费限制报告请求消息。
步骤507：OCS返回确认消息，携带Policy Counter Id(PCI A)，Status和Accumulated Usage；
为了统计准确，OCS需要在接收到PCEF向OCS发送的信用最终报告进行用量统计后再向H-PCRF返回确认消息。
步骤508：(H-)PCRF向AF返回AF会话确认消息，携带Accumulated Usage。
在以上实施例中，PCEF可以向OCS上报累计消耗的用量，也可以向OCS上报剩余的用量，OCS统计后获取UE累计消耗的用量后向PCRF提供累计用量。
下面结合附图，对本发明的实施例二进行说明。
本发明实施例提供了一种用量监控装置，该装置的结构如图6所示，包括：
信息提供模块601，用于向OCS提供Sponsored Data Connectivity对应的Policy Counter Id及该Sponsored Data Connectivity对应的Total Usage Threshold，供所述OCS进行用量监控；
监控结果接收模块602，用于接收所述OCS发送的所述Policy Counter Id、所述Policy Counter的状态和累计用量。
优选的，该装置还包括：
第一规则制定模块603，用于为所述Sponsored Data Connectivity制定策略和计费控制PCC规则，所述PCC规则包含所述唯一标识所述Sponsored Data Connectivity的计费键Charging Key；
第一规则发送模块604，用于向PCEF提供所述PCC规则以供所述PCEF执行。
优选的，该装置还包括：
第二规则制定模块605，用于为所述Sponsored Data Connectivity制定策略和计费控制PCC规则，在所述PCC规则包含所述唯一标识所述Sponsored Data Connectivity的计费键Charging Key、Sponsor Id和ASP Id组合；
第二规则发送模块606，用于向所述PCEF提供所述PCC规则以供所述PCEF执行。
优选的，所述信息提供模块601的结构如图7所示，包括：
第一消息发送单元6011，用于在所述归属地PCRF与所述OCS还未建 立Sy会话时，发送携带有所述Policy Counter Id及Total Usage Threshold的初始消费限制报告请求；
第二消息发送单元6012，用于在所述归属地PCRF已与所述OCS建立Sy会话时，发送携带有所述Policy Counter Id及Total Usage Threshold的中间消费限制报告请求。
优选的，所述监控结果接收模块602的结构如图8所示，包括：
第一接收单元6021，用于在所述OCS在检测到Policy Counter的状态发生变化时，接收所述OCS上报的携带有所述Policy Counter的状态和累计用量由的消费限制报告携带。
优选的，所述监控结果接收模块602包括：第二接收单元6022，用于在所述OCS接收到该归属地PCRF发送的最终消费限制报告请求后，接收所述OCS回复的携带有所述Policy Counter的状态和累计用量的确认消息。
优选的，所述监控结果接收模块602包括：
第三接收单元6023，用于在所述OCS接收到该地PCRF发送的最终消息限制报告请求或中间消费限制报告请求后，接收所述OCS返回的携带有所述Policy Counter Id及状态和累计用量的确认消息。
优选的，该装置还包括：业务信息接收模块607，用于从AF接收所述Sponsored Data Connectivity的业务信息，其中所述业务信息包括所述Sponsor Id、所述ASP Id和所述Total Usage Threshold。
优选的，该装置还包括：信息报告模块608，用于向所述AF报告所述累计用量。
图6至图8所示的用量监控装置可集成于归属地PCRF中，由归属地PCRF完成相应功能。
本发明实施例还提供了一种用量监控装置，该装置的结构如图9所示，包括：
信息接收模块901，用于接收归属地PCRF提供的Sponsored Data Connectivity对应的Policy Counter Id及该Sponsored Data Connectivity对应的Total Usage Threshold；
状态检测模块902，用于根据所述Total Usage Threshold进行信用授权并检测所述Policy Counter的状态；
监控结果上报模块903，用于向所述归属地PCRF发送所述Policy Counter Id、所述Policy Counter的状态和累计用量。
优选的，该装置还包括：
第一信用请求接收模块904，用于接收PCEF执行所述PCC规则后向该OCS发送的携带所述Charging Key的信用请求；
第一应答模块905，用于向所述PCEF返回信用控制应答，从Total Usage Threshold中扣除分配的Usage Threshold，将Total Usage Threshold更新为Total Usage Threshold－Usage Threshold的取值。
优选的，所述状态检测模块902的结构如图10所示，包括：
第一检测单元9021，用于根据所述Total Usage Threshold为所述Charging Key分配所述用量阈值并检测所述Policy Counter的状态。
优选的，该装置还包括：
第二信用请求接收模块906，用于接收PCEF执行所述PCC规则后向所述OCS发送的携带所述Charging Key、Sponsor Id和ASP Id组合的信用请求；
第二应答模块907，用于向所述PCEF返回信用控制应答，从Total Usage Threshold中扣除分配的Usage Threshold，将Total Usage Threshold更新为Total Usage Threshold－Usage Threshold的取值。
优选的，所述状态检测模块902包括：第二检测单元9022，用于根据所述Total Usage Threshold为所述Charging Key、所述Sponsor Id和所述ASP Id组合分配所述信用并检测所述Policy Counter的状态。
如图9和10所示的用量监控装置可集成于OCS中，由OCS完成相应功能。
本发明实施例还提供了一种用量监控系统，包括集成有图6至图8所示用量监控装置的归属地PCRF和集成有图9和图10所示的OCS；
所述归属地PCRF，用于向OCS提供Sponsored Data Connectivity对应的 Policy Counter Id及Total Usage Threshold，接收所述OCS发送的所述Policy Counter Id、所述Policy Counter的状态和累计用量；
所述OCS，用于接收所述归属地PCRF提供的Sponsored Data Connectivity对应的Policy Counter Id及Total Usage Threshold，根据所述Total Usage Threshold进行信用授权并检测所述Policy Counter的状态，向所述归属地PCRF发送所述Policy Counter Id、所述Policy Counter的状态和累计用量。
优选的，该系统还包括PCEF；
所述归属地PCRF，还用于为所述Sponsored Data Connectivity制定策略和计费控制PCC规则，所述PCC规则包含所述唯一标识所述Sponsored Data Connectivity的计费键Charging Key，向所述PCEF提供所述PCC规则以供所述PCEF执行；
所述PCEF，用于执行所述PCC规则，并向所述OCS发送携带所述Charging Key的信用请求。
优选的，所述OCS，还用于接收PCEF执行所述PCC规则后向该OCS发送的携带所述Charging Key的信用请求，向所述PCEF返回信用控制应答，从Total Usage Threshold中扣除分配的Usage Threshold，将Total Usage Threshold更新为Total Usage Threshold－Usage Threshold的取值。
优选的，该系统还包括PCEF；
所述归属地PCRF，还用于为所述Sponsored Data Connectivity制定策略和计费控制PCC规则，在所述PCC规则包含所述唯一标识所述Sponsored Data Connectivity的计费键Charging Key、Sponsor Id和ASP Id组合，向所述PCEF提供所述PCC规则以供所述PCEF执行；
所述PCEF，用于执行所述PCC规则，并向所述OCS发送携带所述Charging Key、Sponsor Id和ASP Id组合的信用请求。
优选的，所述OCS，还用于接收所述PCEF执行所述PCC规则后向所述OCS发送的携带所述Charging Key、Sponsor Id和ASP Id组合的信用请求，向所述PCEF返回信用控制应答，从Total Usage Threshold中扣除分配的 Usage Threshold，将Total Usage Threshold更新为Total Usage Threshold－Usage Threshold的取值。
本领域普通技术人员可以理解上述实施例的全部或部分步骤可以使用计算机程序流程来实现，所述计算机程序可以存储于一计算机可读存储介质中，所述计算机程序在相应的硬件平台上(如系统、设备、装置、器件等)执行，在执行时，包括方法实施例的步骤之一或其组合。
可选地，上述实施例的全部或部分步骤也可以使用集成电路来实现，这些步骤可以被分别制作成一个个集成电路模块，或者将它们中的多个模块或步骤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。
上述实施例中的各装置/功能模块/功能单元可以采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，也可以分布在多个计算装置所组成的网络上。
上述实施例中的各装置/功能模块/功能单元以软件功能模块的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。上述提到的计算机可读取存储介质可以是只读存储器，磁盘或光盘等。
任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以权利要求所述的保护范围为准。
工业实用性
本发明实施例提供了一种用量监控方法、装置和系统，归属地PCRF向OCS提供Sponsored Data Connectivity对应的Policy Counter Id及该Sponsored Data Connectivity对应的Total Usage Threshold，供所述OCS进行用量监控，所述归属地PCRF接收所述OCS发送的所述Policy Counter Id、所述Policy Counter的状态和累计用量。实现了对Sponsored Service的用量监控，解决了通过OCS实现用量监控的方案无法支持针对Sponsored Service业务的用量监控的问题。

Claims (36)

  1. 一种用量监控方法，包括：
    归属地策略控制与计费规则功能实体PCRF向在线计费系统OCS提供被赞助数据连接Sponsored Data Connectivity对应的策略计数器标识Policy Counter Id及该Sponsored Data Connectivity对应的总用量阈值Total Usage Threshold，供所述OCS进行用量监控；
    所述归属地PCRF接收所述OCS发送的所述Policy Counter Id、所述Policy Counter的状态和累计用量。
  2. 根据权利要求1所述的用量监控方法，其中，
    所述归属地PCRF为所述Sponsored Data Connectivity制定策略和计费控制PCC规则，所述PCC规则包含所述唯一标识所述Sponsored Data Connectivity的计费键Charging Key；
    所述归属地PCRF向策略计费执行功能(PCEF)提供所述PCC规则以供所述PCEF执行。
  3. 根据权利要求1所述的用量监控方法，其中，
    所述归属地PCRF为所述Sponsored Data Connectivity制定策略和计费控制PCC规则，在所述PCC规则包含所述唯一标识所述Sponsored Data Connectivity的计费键Charging Key、Sponsor Id和应用提供商标识ASP Id组合；
    所述归属地PCRF向所述PCEF提供所述PCC规则以供所述PCEF执行。
  4. 根据权利要求1所述的用量监控方法，其中，归属地PCRF向OCS提供Sponsored Data Connectivity对应的Policy Counter Id及该Sponsored Data Connectivity对应的Total Usage Threshold包括：
    在所述归属地PCRF与所述OCS还未建立Sy会话时，所述归属地PCRF向所述OCS发送携带有所述Policy Counter Id及Total Usage Threshold的初始消费限制报告；或，
    在所述归属地PCRF已与所述OCS建立Sy会话时，所述归属地PCRF向所述OCS发送携带有所述Policy Counter Id及Total Usage Threshold的中间消费限制报告。
  5. 根据权利要求1所述的用量监控方法，其中，所述归属地PCRF接收所述OCS发送的所述Policy Counter Id、所述Policy Counter的状态和累计用量包括：在所述OCS在检测到Policy Counter状态发生变化时，所述归属地PCRF接收所述OCS上报的携带有所述Policy Counter的状态和累计用量的消费限制报告携带。
  6. 根据权利要求1所述的用量监控方法，其中，所述归属地PCRF接收所述OCS发送的所述Policy Counter Id、所述Policy Counter的状态和累计用量包括：在所述OCS接收到该归属地PCRF发送的最终消费限制报告请求后，所述归属地PCRF接收所述OCS回复的携带有所述Policy Counter的状态和累计用量的确认消息。
  7. 根据权利要求6所述的用量监控方法，其中，所述归属地PCRF接收所述OCS在接收到该归属地PCRF发送的最终消费限制报告请求后回复的确认消息的步骤之前，还包括：PCEF向所述OCS发送信用最终报告。
  8. 根据权利要求1所述的用量监控方法，其中，所述归属地PCRF接收所述OCS发送的所述Policy Counter Id、所述Policy Counter的状态和累计用量包括：在所述OCS接收到该地PCRF发送的最终消息限制报告请求或中间消费限制报告请求后，所述归属地PCRF接收所述OCS返回的携带有所述Policy Counter标识及状态和累计用量的确认消息。
  9. 根据权利要求8所述的用量监控方法，其中，所述归属地PCRF接收所述OCS在接收到该地PCRF发送的最终消息限制报告请求或中间消费限制报告请求后返回的确认消息的步骤之前，还包括：
    PCEF向所述OCS发送信用请求。
  10. 根据权利要求1所述的用量监控方法，其中，在所述归属地PCRF向所述OCS提供所述Sponsored Data Connectivity对应的Policy Counter Id及 Total Usage Threshold的步骤之前，还包括：所述归属地PCRF从应用功能实体AF接收所述Sponsored Data Connectivity的业务信息，其中所述业务信息包括所述Sponsor Id、所述ASP Id和所述Total Usage Threshold。
  11. 根据权利要求1所述的用量监控方法，其中，所述归属地PCRF接收所述OCS发送的所述Policy Counter Id、所述Policy Counter的状态和累计用量的步骤之后，还包括：所述归属地PCRF向所述AF报告所述累计用量。
  12. 一种用量监控方法，包括：
    在线计费系统OCS接收归属地策略控制与计费规则功能实体PCRF提供的被赞助数据连接Sponsored Data Connectivity对应的策略计数器标识Policy Counter Id及该Sponsored Data Connectivity对应的总用量阈值Total Usage Threshold；
    所述OCS根据所述Total Usage Threshold进行信用授权并检测所述Policy Counter的状态；
    所述OCS向所述归属地PCRF发送所述Policy Counter Id、所述Policy Counter的状态和累计用量。
  13. 根据权利要求12所述的用量监控方法，其中，
    所述OCS接收策略计费执行功能PCEF执行策略和计费控制PCC规则后向该OCS发送的携带计费键Charging Key的信用请求；
    所述OCS向所述PCEF返回信用控制应答，从所述Total Usage Threshold中扣除分配的Usage Threshold，将Total Usage Threshold更新为Total Usage Threshold－Usage Threshold的取值。
  14. 根据权利要求13所述的用量监控方法，其中，所述OCS根据所述Total Usage Threshold进行信用授权并检测所述Policy Counter的状态包括：
    所述OCS根据所述Total Usage Threshold为所述Charging Key分配所述用量阈值并检测所述Policy Counter的状态。
  15. 根据权利要求12所述的用量监控方法，其中，OCS接收归属地PCRF 提供的Sponsored Data Connectivity对应的Policy Counter Id及Total Usage Threshold的步骤之前，还包括：
    所述OCS接收PCEF执行所述PCC规则后向所述OCS发送的携带所述Charging Key、Sponsor Id和ASP Id组合的信用请求；
    所述OCS向所述PCEF返回信用控制应答，从Total Usage Threshold中扣除分配的Usage Threshold，将Total Usage Threshold更新为Total Usage Threshold－Usage Threshold的取值。
  16. 根据权利要求15所述的用量监控方法，其中，所述OCS根据所述Total Usage Threshold进行信用授权并检测所述Policy Counter的状态包括：
    所述OCS根据所述Total Usage Threshold为所述Charging Key、所述Sponsor Id和所述ASP Id组合分配所述信用并检测所述Policy Counter的状态。
  17. 根据权利要求14或16所述的用量监控方法，其中，
    当所述OCS可以为所述Sponsored Data Connectivity进行信用授权时，所述Policy Counter的状态为INQUOTA；
    当所述OCS无法为所述Sponsored Data Connectivity进行信用授权时，所述Policy Counter的状态为OUTQUOTA。
  18. 一种用量监控装置，包括：
    信息提供模块，设置为：向在线计费系统OCS提供被赞助数据连接Sponsored Data Connectivity对应的策略计数器标识Policy Counter Id及该Sponsored Data Connectivity对应的总用量阈值Total Usage Threshold，供所述OCS进行用量监控；
    监控结果接收模块，设置为：接收所述OCS发送的所述Policy Counter Id、所述Policy Counter的状态和累计用量。
  19. 根据权利要求18所述的用量监控装置，该装置还包括：
    第一规则制定模块，设置为：为所述Sponsored Data Connectivity制定策 略和计费控制PCC规则，所述PCC规则包含所述唯一标识所述Sponsored Data Connectivity的计费键Charging Key；
    第一规则发送模块，设置为：向策略计费执行功能PCEF提供所述PCC规则以供所述PCEF执行。
  20. 根据权利要求18或19所述的用量监控装置，该装置还包括：
    第二规则制定模块，设置为：为所述Sponsored Data Connectivity制定策略和计费控制PCC规则，在所述PCC规则包含所述唯一标识所述Sponsored Data Connectivity的计费键Charging Key、Sponsor Id和ASP Id组合；
    第二规则发送模块，设置为：向所述PCEF提供所述PCC规则以供所述PCEF执行。
  21. 根据权利要求18所述的用量监控装置，其中，所述信息提供模块包括：
    第一消息发送单元，设置为：在所述归属地PCRF与所述OCS还未建立Sy会话时，发送携带有所述Policy Counter Id及Total Usage Threshold的初始消费限制报告请求；
    第二消息发送单元，设置为：在所述归属地PCRF已与所述OCS建立Sy会话时，发送携带有所述Policy Counter Id及Total Usage Threshold的中间消费限制报告请求。
  22. 根据权利要求18所述的用量监控装置，其中，所述监控结果接收模块包括：第一接收单元，设置为：在所述OCS在检测到Policy Counter的状态发生变化时，接收所述OCS上报的携带有所述Policy Counter的状态和累计用量由的消费限制报告携带。
  23. 根据权利要求18所述的用量监控装置，其中，所述监控结果接收模块包括：第二接收单元，设置为：在所述OCS接收到该归属地PCRF发送的最终消费限制报告请求后，接收所述OCS回复的携带有所述Policy Counter的状态和累计用量的确认消息。
  24. 根据权利要求18所述的用量监控装置，其中，所述监控结果接收模块包括：第三接收单元，设置为：在所述OCS接收到该地PCRF发送的最终消息限制报告请求或中间消费限制报告请求后，接收所述OCS返回的携带有所述Policy Counter Id及状态和累计用量的确认消息。
  25. 根据权利要求18所述的用量监控装置，该装置还包括：
    业务信息接收模块，设置为：从应用功能实体AF接收所述Sponsored Data Connectivity的业务信息，其中所述业务信息包括所述Sponsor Id、所述ASP Id和所述Total Usage Threshold。
  26. 根据权利要求18所述的用量监控装置，该装置还包括：
    信息报告模块，设置为：向所述AF报告所述累计用量。
  27. 一种用量监控装置，包括：
    信息接收模块，设置为：接收归属地策略控制与计费规则功能实体PCRF提供的被赞助数据连接Sponsored Data Connectivity对应的策略计数器标识Policy Counter Id及该Sponsored Data Connectivity对应的总用量阈值Total Usage Threshold；
    状态检测模块，设置为：根据所述Total Usage Threshold进行信用授权并检测所述Policy Counter的状态；
    监控结果上报模块，设置为：向所述归属地PCRF发送所述Policy Counter Id、所述Policy Counter的状态和累计用量。
  28. 根据权利要求27所述的用量监控装置，该装置还包括：
    第一信用请求接收模块，设置为：接收策略计费执行功能PCEF执行所述PCC规则后向该OCS发送的携带计费键Charging Key的信用请求；
    第一应答模块，设置为：向所述PCEF返回信用控制应答，从Total Usage Threshold中扣除分配的Usage Threshold，将Total Usage Threshold更新为Total Usage Threshold－Usage Threshold的取值。
  29. 根据权利要求28所述的用量监控装置，其中，所述状态检测模块包 括：第一检测单元，设置为：根据所述Total Usage Threshold为所述Charging Key分配所述用量阈值并检测所述Policy Counter的状态。
  30. 根据权利要求27所述的用量监控装置，该装置还包括：
    第二信用请求接收模块，设置为：接收PCEF执行所述PCC规则后向所述OCS发送的携带所述Charging Key、Sponsor Id和应用提供商标识ASP Id组合的信用请求；
    第二应答模块，设置为：向所述PCEF返回信用控制应答，从Total Usage Threshold中扣除分配的Usage Threshold，将Total Usage Threshold更新为Total Usage Threshold－Usage Threshold的取值。
  31. 根据权利要求30所述的用量监控装置，其中，所述状态检测模块包括：第二检测单元，设置为：根据所述Total Usage Threshold为所述Charging Key、所述Sponsor Id和所述ASP Id组合分配所述信用并检测所述Policy Counter的状态。
  32. 一种用量监控系统，包括归属地策略控制与计费规则功能实体PCRF和在线计费系统OCS；
    所述归属地PCRF，设置为：向OCS提供被赞助数据连接Sponsored Data Connectivity对应的策略计数器标识Policy Counter Id及总用量阈值Total Usage Threshold，接收所述OCS发送的所述Policy Counter Id、所述Policy Counter的状态和累计用量；
    所述OCS，设置为：接收所述归属地PCRF提供的Sponsored Data Connectivity对应的Policy Counter Id及Total Usage Threshold，根据所述Total Usage Threshold进行信用授权并检测所述Policy Counter的状态，向所述归属地PCRF发送所述Policy Counter Id、所述Policy Counter的状态和累计用量。
  33. 根据权利要求32所述的用量监控系统，该系统还包括策略计费执行功能PCEF；
    所述归属地PCRF，还设置为：为所述Sponsored Data Connectivity制定 策略和计费控制PCC规则，所述PCC规则包含所述唯一标识所述Sponsored Data Connectivity的计费键Charging Key，向所述PCEF提供所述PCC规则以供所述PCEF执行；
    所述PCEF，设置为：执行所述PCC规则，并向所述OCS发送携带所述Charging Key的信用请求。
  34. 根据权利要求33所述的用量监控系统，其中，
    所述OCS，还设置为：接收PCEF执行所述PCC规则后向该OCS发送的携带所述Charging Key的信用请求，向所述PCEF返回信用控制应答，从Total Usage Threshold中扣除分配的Usage Threshold，将Total Usage Threshold更新为Total Usage Threshold－Usage Threshold的取值。
  35. 根据权利要求32所述的用量监控系统，该系统还包括PCEF；
    所述归属地PCRF，还设置为：为所述Sponsored Data Connectivity制定策略和计费控制PCC规则，在所述PCC规则包含所述唯一标识所述Sponsored Data Connectivity的计费键Charging Key、Sponsor Id和应用提供商标识ASP Id组合，向所述PCEF提供所述PCC规则以供所述PCEF执行；
    所述PCEF，设置为：执行所述PCC规则，并向所述OCS发送携带所述Charging Key、Sponsor Id和ASP Id组合的信用请求。
  36. 根据权利要求35所述的用量监控系统，其中，
    所述OCS，还设置为：接收所述PCEF执行所述PCC规则后向所述OCS发送的携带所述Charging Key、Sponsor Id和ASP Id组合的信用请求，向所述PCEF返回信用控制应答，从Total Usage Threshold中扣除分配的Usage Threshold，将Total Usage Threshold更新为Total Usage Threshold－Usage Threshold的取值。
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