WO2014179919A1 - Procédé de commande de service, système et dispositif correspondant - Google Patents

Procédé de commande de service, système et dispositif correspondant Download PDF

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Publication number
WO2014179919A1
WO2014179919A1 PCT/CN2013/075190 CN2013075190W WO2014179919A1 WO 2014179919 A1 WO2014179919 A1 WO 2014179919A1 CN 2013075190 W CN2013075190 W CN 2013075190W WO 2014179919 A1 WO2014179919 A1 WO 2014179919A1
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WIPO (PCT)
Prior art keywords
control
policy
data flow
service
instance
Prior art date
Application number
PCT/CN2013/075190
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English (en)
Chinese (zh)
Inventor
时晓岩
乔伟华
Original Assignee
华为技术有限公司
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.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201380001498.7A priority Critical patent/CN104904264A/zh
Priority to PCT/CN2013/075190 priority patent/WO2014179919A1/fr
Publication of WO2014179919A1 publication Critical patent/WO2014179919A1/fr

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Classifications

    • 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
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5003—Managing SLA; Interaction between SLA and QoS
    • H04L41/5019—Ensuring fulfilment of SLA
    • H04L41/5022—Ensuring fulfilment of SLA by giving priorities, e.g. assigning classes of service
    • 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
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/20—Traffic policing
    • 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

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a service control method, system, and related device.
  • Policy and Charging Control (Policy and Charging Control) is deployed in the current communication network.
  • the PCC architecture is used to control and bill the data flow of the user equipment.
  • the PCC architecture includes a Policy Control and Charging Rules Function (PCRF), a policy and a charging execution entity (Policy). And the Charging Enforcement Function (PCEF), and the Traffic Detection Function (TDF), wherein the PCRF can formulate a policy for controlling the data flow of the user equipment according to a certain method, and is determined by the PCEF or TDF according to the formulated policy. The data flow of the user equipment is controlled.
  • PCRF Policy Control and Charging Rules Function
  • Policy Policy and Charging Rules Function
  • Policy Policy and a policy and a charging execution entity
  • PCEF Charging Enforcement Function
  • TDF Traffic Detection Function
  • the embodiments of the present invention provide a service control method, system, and related device, which implements control on different data flows under the same service type, and improves control precision of the data flow.
  • a first aspect of the embodiments of the present invention provides a service control method, including: receiving a control policy for a data flow sent by a policy control and a charging rule function entity PCRF, where the control policy includes a type attribute of the data flow.
  • the control policy includes a type attribute of the data flow.
  • the method before the control policy for the data flow sent by the receiving the policy control and the charging rule function entity PCRF, the method further includes:
  • the type attribute information includes an instance identifier and/or instance specific information
  • the control policy of the data flow sent by the receiving the policy control and the charging rule function entity PCRF specifically: receiving the type attribute of the reported data stream sent by the PCRF under the reported service type The control rules corresponding to the information.
  • control policy includes the first instance identifier of the data flow and the corresponding first control rule
  • the policy control is performed on the data flow of the user equipment according to the control policy, and specifically includes: Controlling, according to the first control rule, a data flow indicated by the first instance identifier;
  • control policy includes the first instance specific information of the data flow and the corresponding second control rule of the data flow
  • corresponding policy control is performed on the data flow of the user equipment according to the control policy, specifically
  • the method includes: determining whether the first instance specific information is included in a data flow of the user equipment, and if yes, controlling the data flow according to the second control rule;
  • the policy control includes: determining whether the second instance specific information is included in the data flow indicated by the second instance identifier, and if yes, controlling the data flow according to the third control rule.
  • a second aspect of the embodiments of the present invention provides a service control method, including:
  • control policy includes type attribute information of the data stream and its corresponding control rule, where the type attribute information of the data stream includes an instance identifier and/or instance specific information of the data stream;
  • the method before the formulating the control strategy for the data stream, the method further includes:
  • the type attribute information includes an instance identifier and/or instance specific information
  • the determining a control strategy for the data flow includes: Obtaining a control rule corresponding to the type attribute information of the reported data flow under the reported service type.
  • the method before the determining a control strategy for the data stream, the method further includes:
  • the method specifically includes: determining, according to the service type provided by the application function entity, a control rule that is consistent with the service quality requirement for the certain data flow.
  • a third aspect of the embodiments of the present invention provides a service control device, including:
  • a policy receiving unit configured to receive a control policy for the data flow sent by the policy control and charging rule function entity PCRF, where the control policy includes type attribute information of the data flow and a corresponding control rule, where the data flow is
  • the type attribute information includes an instance identifier and/or instance specific information of the data stream;
  • a policy control unit configured to perform corresponding policy control on the data flow of the user equipment according to the control policy received by the policy receiving unit.
  • the service control device further includes:
  • a data stream attribute obtaining unit configured to: when receiving the data stream of the user equipment, determine a service type of the received data stream, and allocate an instance identifier to the received data stream and/or obtain the received data Instance-specific information of the stream;
  • a data stream information reporting unit configured to: send the type attribute information and the service type of the data stream obtained by the data stream attribute obtaining unit to the PCRF;
  • the type attribute information includes an instance identifier and/or instance specific information;
  • the policy receiving unit is configured to receive, by the PCRF, a control rule corresponding to the type attribute information of the reported data flow, in the reported service type.
  • the policy control unit specifically includes any one of the following or a plurality of units: a first control unit, a second control unit, and a third control unit, wherein: the first control unit is configured to include a certain industry in the control policy received by the policy receiving unit The first instance identifier of the data stream and the corresponding first control rule, and the data flow indicated by the first instance identifier is controlled according to the first control rule;
  • a second control unit configured to: if the control policy received by the policy receiving unit includes a first instance specific information of the data flow and a corresponding second control rule in a certain service type, determine the data of the user equipment Whether the first instance specific information is included in the stream, and if so, controlling the data flow according to the second control rule;
  • a third control unit configured to: if the control policy received by the policy receiving unit includes a second service specific information, a second instance identifier, and a corresponding third control rule of the data flow under a certain service type, Whether the second instance specific information is included in the data flow indicated by the second instance identifier, and if so, controlling the data flow according to the third control rule.
  • a fourth aspect of the embodiments of the present invention provides a policy control and charging rule function entity PCRF, which includes:
  • a policy formulation unit configured to formulate a control policy for the data flow, where the control policy includes type attribute information of the data flow and a corresponding control rule, where the type attribute information of the data flow includes an instance identifier of the data flow and/or Or instance-specific information;
  • a policy sending unit configured to send, to the service control device, a control policy of the data flow acquired by the policy setting unit, to instruct the service control device to perform corresponding policy control on the data flow of the user equipment according to the control policy.
  • the policy control and charging rule function entity PCRF further includes:
  • a data stream information receiving unit configured to receive type attribute information and a service type of the data stream sent by the service control device; the type attribute information includes an instance identifier and/or instance specific information; And a control rule corresponding to the type attribute information of the data flow reported by the service control device under the service type received by the data flow information receiving unit.
  • the policy control and charging rule function entity PCRF further includes:
  • a demand information receiving unit configured to receive a type attribute of a data stream sent by the application function entity Information and corresponding quality of service requirements
  • the policy determining unit is configured to determine, according to the service type provided by the application function entity, a control rule that is consistent with the quality of service requirement received by the demand information receiving unit for the certain data flow.
  • a fifth aspect of the embodiments of the present invention provides a service control system, where the system includes a policy control and charging rule function entity and a gateway device; or the system includes a policy control and charging rule function entity and a service detection function entity; or The system includes a policy control and charging rule function entity and a policy and charging execution entity, wherein:
  • the policy control and charging rule function entity is any one of the policy control and charging rule function entities described in the second possible implementation manner of the fourth to fourth aspects of the embodiments of the present invention.
  • the gateway device, the service detection function entity, and the policy and charging execution entity are the service control devices described in the second possible implementation manner of the third to third aspects of the embodiments of the present invention.
  • a sixth aspect of the embodiments of the present invention provides a service control device, including a memory, a processor, an input device, and an output device respectively connected to a bus, where:
  • the input device is configured to receive a control policy for the data flow sent by the policy control and charging rule function entity PCRF, where the control policy includes type attribute information of the data flow and a corresponding control rule, where the data flow Type attribute information includes instance identification and/or instance specific information of the data stream;
  • the processor is configured to perform corresponding policy control on a data flow of the user equipment according to a control policy received by the input device.
  • the processor is further configured to: when the input device receives the data stream transmitted by the user equipment, determine a service type of the received data stream, and allocate an instance identifier and/or obtain the received data stream. Instance-specific information of the received data stream; the control output device sends the type attribute information and the service type of the acquired data stream to the PCRF; the type attribute information includes an instance identifier and/or instance-specific information. ;
  • the input device receives a control rule that is sent by the PCRF and corresponds to the type attribute information of the reported data stream under the reported service type.
  • the processor is specifically configured to control, according to the first control rule, a first instance identifier of a data flow and a corresponding first control rule in a control policy received by the input device, including a service type Describe the data flow indicated by the first instance identifier;
  • the processor is further configured to: if the control policy received by the input device includes the first instance specific information of the data flow and the corresponding second control rule in a certain service type, determine the data of the user equipment Whether the first instance specific information is included in the stream, and if so, controlling the data flow according to the second control rule;
  • the processor is further configured to: if the control policy received by the input device includes a second service specific information, a second instance identifier, and a corresponding third control rule of the data flow under a certain service type, Whether the second instance specific information is included in the data flow indicated by the second instance identifier, and if so, controlling the data flow according to the third control rule.
  • a seventh aspect of the present invention provides a policy control and charging rule function entity, including a memory, a processor, an input device, and an output device respectively connected to a bus, wherein:
  • the processor is configured to formulate a control policy for a data stream, where the control policy includes type attribute information of the data stream and a corresponding control rule, where the type attribute information of the data stream includes an instance identifier of the data stream and And/or instance-specific information; controlling, by the output device, the control policy of the acquired data flow to the service control device, to instruct the service control device to perform a corresponding policy on the data flow of the user equipment according to the control policy control.
  • the input device is further configured to receive type attribute information and a service type of the data flow sent by the service control device;
  • the type attribute information includes an instance identifier and/or instance specific information;
  • the processor is specifically configured to obtain a control rule corresponding to the type attribute information of the data flow reported by the service control device under the service type received by the input device.
  • the policy control and charging rule function entity further includes:
  • the input device is further configured to receive type attribute information and a corresponding quality of service requirement of a certain data stream sent by the application function entity;
  • the processor is specifically configured to be used by the application function entity to provide a service type.
  • the data stream determines a control rule that is consistent with the quality of service requirements received by the input device.
  • An eighth aspect of the embodiments of the present invention provides a service control system, where the system includes a policy control and charging rule function entity and a gateway device; or the system includes a policy control and charging rule function entity and a service detection function entity; or The system includes a policy control and charging rule function entity and a policy and charging execution entity, wherein:
  • the policy control and charging rule function entity is a policy control and charging rule function entity as described in the second possible implementation manner of the sixth aspect to the sixth aspect of the embodiments of the present invention.
  • the gateway device, the service detection function entity, and the policy and charging execution entity are the service control devices described in the second possible implementation manner of the seventh to seventh aspects of the embodiments of the present invention.
  • the service control device When performing service control in the embodiment of the present invention, after receiving the control policy for the data stream sent by the PCRF, the service control device, such as the TDF or the PCEF or the gateway device, performs corresponding policy control on the data flow of the user equipment according to the control policy.
  • the type attribute information of the data stream and the corresponding control rule are included in the control policy, so that different types of data streams under the same service type can be controlled differently, and the control precision of the data stream is improved. .
  • FIG. 1 is a schematic structural diagram of a communication network system according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a PCC architecture in a communication network system according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a service control method according to Embodiment 1 of the present invention
  • FIG. 5 is a flowchart of a service control method according to Embodiment 2 of the present invention.
  • FIG. 6 is a flowchart of a service control method according to Embodiment 3 of the present invention.
  • FIG. 7 is a schematic structural diagram of a service control device according to Embodiment 1 of the present invention
  • FIG. 8 is a schematic structural diagram of another service control device according to Embodiment 1 of the present invention
  • FIG. 10 is a schematic diagram of a policy control and charging rule function entity provided by Embodiment 3 of the device of the present invention. Schematic;
  • FIG. 11 is a schematic structural diagram of another policy control and charging rule function entity provided by Embodiment 3 of the device of the present invention.
  • FIG. 12 is a schematic structural diagram of a policy control and charging rule function entity provided in Embodiment 4 of the device of the present invention.
  • a service control method is provided, which is mainly applied to a communication network system as shown in FIG. 1, and includes a radio access network, a service node, a gateway device, and a PCRF and an Application Function (AF) entity.
  • the PCC architecture (only two devices in the PCC architecture are shown in Figure 1).
  • the radio access network can access the user equipment to the network; the service node is mainly responsible for control plane functions such as routing forwarding and mobility management, in the general packet radio service technology (GPRS) or the universal mobile telecommunications system (Universal Mobile Telecommunications System)
  • the service node may be a Serving GPRS Supporting Node (SGSN)
  • the service node may include a Mobility Management Entity (MME); It is mainly responsible for data interaction with the user equipment and the uplink network device.
  • the gateway device may include a Packet Date Network Gateway (PGW), and in the GPRS/UMTS network, the gateway device may be GPRS.
  • PGW Packet Date Network Gateway
  • GGSN The Gateway GPRS Support Node
  • the PCC architecture can control and bill the data flows transmitted by the user equipment.
  • the PCC architecture mainly includes a PCRF, a PCEF, a User Profile Repository (SPR), an application function entity, and a TDF.
  • the PCRF is mainly based on an operator policy and accesses user equipment.
  • the network policy is based on the restrictions of the network, the user subscription data, and the service information of the data stream currently being transmitted by the user equipment.
  • the PCEF mainly performs the rules established by the PCRF to perform user plane detection and measurement on the data stream of the user equipment.
  • the PCEF is set in a gateway device (such as a PGW or a GGSN) as a module of the gateway device, and the PCRF and the gateway device are connected through the interface Gx;
  • the SPR mainly provides the user subscription data to the PCRF through the interface Sp;
  • the AF entity dynamically provides application layer service information to the PCRF through the interface Rx.
  • the TDF mainly performs content detection on the data stream of the user equipment, and reports the detection result to the PCRF through the Sd interface for policy decision.
  • the TDF can be deployed in the gateway device.
  • the PCC architecture may further include an online charging system and an offline charging system.
  • the online charging system is respectively connected to the PCRF and the gateway device through the interface Gy, and the offline charging system is connected to the gateway device through the interface Gz.
  • the service control device in the PCC architecture such as TDF or PCEF, or a gateway device (such as PGW or GGSN) that integrates TDF or PCEF functions, can perform service control according to the following steps.
  • the flowchart is as shown in Figure 3, including:
  • Step 101 Receive a control policy for a data flow sent by a policy control and charging rule function entity PCRF, where the control policy includes type attribute information of the data flow and a corresponding control rule, where the type attribute information of the data stream includes data.
  • the control policy includes type attribute information of the data flow and a corresponding control rule, where the type attribute information of the data stream includes data.
  • the instance ID and/or instance-specific information of the stream, and the control rules corresponding to different types of data streams under the same service type are different.
  • the PCRF can actively trigger the process of the embodiment, and obtain the information required for the control policy corresponding to a certain user equipment, such as obtaining the user subscription information from the SPR, obtaining the service information from the AF entity, and formulating the control policy according to the information.
  • the PCRF can also passively accept information of other devices, such as an AF entity or a gateway device, passively requesting the PCRF to formulate a corresponding control policy and then send it to a service control device such as TDF or PCEF. Or gateway devices to policy control the data flow.
  • the type attribute information of the data stream refers to attribute information that distinguishes different types of data streams, and the control rules corresponding to the data streams of different service types are different, and the control rules of different types of data streams are different under the same service type.
  • the different types of data streams can be distinguished by the unique information of the data stream, that is, the instance-specific information, or by the identifier that uniquely identifies the data stream, that is, the instance identifier, and the instance-specific information and the instance identifier are data.
  • the type attribute information of the stream is to attribute information that distinguishes different types of data streams, and the control rules corresponding to the data streams of different service types are different, and the control rules of different types of data streams are different under the same service type.
  • the different types of data streams can be distinguished by the unique information of the data stream, that is, the instance-specific information, or by the identifier that uniquely identifies the data stream, that is, the instance identifier, and the instance-specific information and the instance identifier are data.
  • a file transfer protocol (FTP) service of a user equipment may use a destination address identifier of a data stream, such as a Uniform I Universal Resource Locator (URL), to distinguish different types of data streams under the FTP service.
  • the destination address identifier is an instance of the data stream.
  • Dedicated information For a video service, the video coding rate of the data stream can be used to distinguish different types of data streams under the video service, and the video coding rate is instance-specific information of the data stream.
  • the control rule corresponding to a certain type of data stream refers to a parameter of the user equipment when transmitting the data stream of the type, and may generally include control information of quality of service (QoS) corresponding to the type of data stream, such as QoS.
  • QoS quality of service
  • QoS Class Identifier QoS Class Identifier
  • ARP Allocation and Retention Priority
  • MRR Maximum Bit Rate
  • GRR Guaranteed Bit Rate
  • Parameters, and the control rules may also include parameter information such as network bandwidth.
  • Step 102 Perform corresponding policy control on the data flow of the user equipment according to the control policy received in step 101.
  • the service control device performs the first control according to the first control.
  • the rule controls the data flow indicated by the first instance identifier; if the control policy received in step 101 includes the first instance specific information of the data flow and the corresponding second control rule in a certain service type, the service control device When performing this step, it is determined whether the first instance specific information is included in the data flow of the user equipment, and if so, the data flow is controlled according to the second control rule; if the control policy received in step 101 includes a certain service If the second instance of the data flow, the second instance identifier, and the corresponding third control rule, the service control device determines whether the data stream indicated by the second instance identifier is included in the data flow.
  • the second instance proprietary information if any, controls the data stream or the like in accordance with a third control rule.
  • the service control device when the service control is performed in the embodiment of the present invention, after receiving the control policy for the data flow sent by the PCRF, the service control device, such as the TDF or the PCEF or the gateway device, performs corresponding data flow on the user equipment according to the control policy. Policy control.
  • the type attribute information of the data stream and its corresponding control rule are included in the control policy, so that different types of data streams under the same service type can be controlled differently, and the control precision of the data stream is improved.
  • the service control process shown in FIG. 3 is a method in which the PCRF actively sends a control policy to control the data flow.
  • the service control process may also be triggered by the service control device, specifically, the service.
  • the control device may perform the following steps 103 and 104 to trigger the process of the service control before performing the foregoing step 101.
  • the flowchart is as shown in FIG.
  • Step 103 When receiving a data stream transmitted by the user equipment, determining a service type of the received data stream, and assigning an instance identifier to the received data stream and/or acquiring instance specific information of the received data stream, where the data stream
  • the instance-specific information is information that distinguishes the data stream from other data streams, such as destination address or video encoding rate, and the instance identifier of the data stream refers to information that uniquely identifies the data stream.
  • Step 104 Report the type attribute information and the service type of the received data stream to the PCRF, where the type attribute information includes an instance identifier and/or instance specific information.
  • the PCRF does not blindly send the control policy to the service control device.
  • the PCRF receives the type attribute information and the service type of the data flow reported by the service control device, the data flow corresponding to the type attribute information of the service type is determined.
  • Control rules are returned to the business control device.
  • the PCRF can be configured according to the policy preset in the PCRF when the control rule is formulated. For example, the bandwidth of the first FTP service of the user equipment corresponding to a user identifier is higher in the PCRF, and the bandwidth of the user equipment is higher. The bandwidth of the second and third FTP services is reduced in sequence, so that the user equipment does not use too much FTP service and wastes resources.
  • the PCRF can also obtain the user subscription information of the user equipment from the SPR, and sign the information from the user. Extract the corresponding control rules.
  • the service control device receives the control rule corresponding to the type attribute information of the reported data flow for the service type reported in the above-mentioned step 101.
  • the flow chart is shown in Figure 5. It includes:
  • Step 201 Formulate a control strategy for the data flow, where the control policy includes the type attribute information of the data flow and the corresponding control rule, where the type attribute information of the data flow includes an instance identifier and/or instance specific information of the data flow. And the control rules corresponding to different types of data streams under the same service type are different.
  • Step 202 Send a control policy of the data flow to the service control device, to instruct the service control device to perform corresponding policy control on the data flow of the user equipment according to the control policy.
  • the PCRF can actively trigger the process of the embodiment, and first obtain information required for formulating a control policy corresponding to a user equipment, for example, acquiring user subscription information from the SPR, and obtaining a service letter from the AF entity. Interest rate, and according to the information to develop a control strategy and then sent to the service control device such as TDF or PCEF or gateway device; PCRF can also passively accept information from other devices such as AF entities or gateway devices, passively request the PCRF to develop appropriate control The policy is then sent to a service control device such as a TDF or PCEF or gateway device to policy control the data flow.
  • the method for controlling the data flow of the service control device is as described in the foregoing first embodiment, and details are not described herein.
  • the PCRF determines a control strategy for the data flow, and sends the control policy to a service control device, such as a TDF or a PCEF or a gateway device, and the service control device pairs the user according to the control policy.
  • the data flow of the device is controlled by the corresponding policy.
  • the type attribute information of the data stream and its corresponding control rule are included in the control policy, so that different types of data streams under the same service type can be controlled differently, and the control precision of the data stream is improved.
  • the service control process shown in FIG. 5 is a method in which the PCRF actively sends a control policy to control the data flow.
  • the service control process may also be triggered by the service control device. Specifically, after receiving the data stream transmitted by the user equipment, the service control device may determine a service type of the data stream, allocate an instance identifier to the data stream, and/or obtain instance-specific information of the data stream, and The type attribute information (including instance identification and/or instance-specific information, etc.) and the service type of the data stream are reported to the PCRF.
  • the PCRF does not blindly send the control policy to the service control device according to the above steps 201 and 202, but performs the above steps 201 and 202 after the PCRF receives the type attribute information and the service type of the data flow reported by the service control device. .
  • the PCRF obtains a control rule corresponding to the type attribute information of the reported data stream under the reported service type.
  • the service control method of the embodiment of the present invention is specifically described.
  • the flowchart is as shown in FIG. 6, and includes:
  • Step 301 The user equipment accesses the AF entity of the video to watch the free video.
  • Step 302 The AF entity notifies the PCRF that, under the video service, the user equipment accesses the instance-specific information of the video stream (such as the address information of the AF entity) transmitted during the process of the AF entity, and transmits the QoS requirement corresponding to the video stream. .
  • Step 303 in the process of the user equipment accessing the AF entity of the video, when the service control device detects the video stream of the user equipment, and detects instance-specific information of the video stream (such as the address information of the AF entity that provides the video stream), An instance identifier is assigned to the video stream, and the service type and the instance identifier and the instance specific information of the video stream are reported to the PCRF.
  • Step 304 The PCRF receives the information reported by the service control device, and compares the instance-specific information of the video stream in the reported information with the instance-specific information obtained in step 302. If they are consistent, the PCRF obtains the information obtained in step 302.
  • the QoS requirement is to set a control rule that is consistent with the QoS requirement for the video stream represented by the instance-specific information, and may specifically include parameters such as a QoS class identifier, or an ARP, or an MBR, or a GBR.
  • Step 305 The PCRF sends the formulated control policy to the service control device, where the type attribute information of the video stream and its corresponding control rule are included.
  • Step 306 The service control device performs policy control on the corresponding video stream according to the control policy received in step 305, for example, limiting the bandwidth.
  • the PCRF formulates a control policy according to the information reported by the service control device and the information sent by the AF entity.
  • the PCRF receives the foregoing step 302 and receives the control policy.
  • the information of the control policy is not required to be executed, and the foregoing step 304 is performed to determine the control policy.
  • the instance-specific information directly sent by the AF entity is represented.
  • the video stream formulates control rules that are consistent with this QoS requirement.
  • a service control device which may be a TDF or a PCEF, or a gateway device (such as a PGW or a GGSN) that integrates the TDF or PCEF functions.
  • the devices in this embodiment may be in accordance with the foregoing method embodiments.
  • a method for performing service control is shown in FIG. 7 and includes:
  • the policy receiving unit 10 is configured to receive a control policy for the data flow sent by the policy control and charging rule function entity PCRF, where the control policy includes type attribute information of the data flow and a corresponding control rule, where the data flow
  • the type attribute information includes an instance identifier of the data stream and/or instance specific information, and different types of data streams have different control rules under the same service type;
  • the policy control unit 11 is configured to: according to the control policy received by the policy receiving unit 10, the user The data flow of the device is controlled by the corresponding policy.
  • the policy control unit 11 performs a corresponding policy on the data flow of the user equipment according to the control policy. control.
  • the type attribute information of the data stream and the corresponding control rule are included in the control policy, so that different types of data streams under the same service type can be controlled differently, and the control precision of the data stream is improved.
  • the service control device may include a data stream attribute obtaining unit 12 and a data stream information reporting unit 13 in addition to the structure shown in FIG.
  • the control unit 11 specifically includes any one or more of the following units: a first control unit 110, a second control unit 111, and a third control unit 112, specifically:
  • the data stream attribute obtaining unit 12 is configured to: when receiving the data stream transmitted by the user equipment, determine a service type of the received data stream, and allocate an instance identifier to the received data stream and/or obtain the receiving Instance-specific information for the data stream.
  • the data stream information reporting unit 13 is configured to report the type attribute information and the service type of the data stream acquired by the data stream attribute obtaining unit 12 to the PCRF; the type attribute information includes an instance identifier and/or instance specific information. .
  • a first control unit no configured to: if the control policy received by the policy receiving unit 10 includes a first instance identifier of a data flow and a corresponding first control rule, according to the first control rule Controlling the data flow indicated by the first instance identifier;
  • the second control unit 111 is configured to determine, if the control policy received by the policy receiving unit 10 includes a first instance specific information of a data flow and a corresponding second control rule in a certain service type, determine the user equipment Whether the first instance proprietary information is included in the data stream, and if so, controlling the data flow according to the second control rule;
  • the third control unit 112 is configured to: if the control policy received by the policy receiving unit 10 includes a second instance specific information, a second instance identifier, and a corresponding third control rule of the data flow in a certain service type, Determining whether the second instance specific information is included in the data flow indicated by the second instance identifier, and if yes, controlling the data flow according to the third control rule.
  • the data stream attribute obtaining unit 12 acquires the type attribute information of the data stream transmitted by the user equipment, and the data stream information reporting unit 13 reports the obtained information to the PCRF.
  • the slightly receiving unit 10 receives the control rule corresponding to the type attribute information of the reported data stream sent by the PCRF under the reported service type, and the policy control unit 10 passes the first control unit 110 to the first
  • the three control unit 112 performs policy control on the data flow of the user equipment.
  • the TDF or the PCEF function of the gateway device (such as the PGW or the GGSN), the devices in the device in this embodiment may perform the service control according to the method described in the first embodiment of the foregoing method, and the structure diagram is as shown in FIG.
  • the memory 20 is used for storing data input from the input device 23, and may also store information such as necessary files for processing the data by the processor 21; the input device 23 and the output device 24 are ports for the service control device to communicate with other devices, and may also include Services control devices are external devices such as monitors, keyboards, mice, and printers.
  • the processor 21 is configured to perform corresponding policy control on the data flow of the user equipment according to the received control policy after the input device 23 receives the control policy for the data flow sent by the policy control and charging rule function entity PCRF.
  • the control policy includes the type attribute information of the data stream and the corresponding control rule, where the type attribute information of the data stream includes an instance identifier of the data stream and/or instance specific information, which are different under the same service type.
  • the type of data stream corresponds to different control rules.
  • the processor 21 when the processor 21 performs policy control, if the control policy received by the input device 23 includes a certain service type, the first instance identifier of the data stream and its corresponding first control rule 'J, according to The first control rule controls the data flow indicated by the first instance identifier; if the control policy received by the input device 23 includes a certain service type, the first instance specific information of the data flow and its corresponding a second control rule, determining whether the first instance specific information is included in the data stream of the user equipment, and if so, controlling the data flow according to the second control rule; if the input device 23 receives The control policy includes, in a service type, the second instance specific information of the data flow, the second instance identifier, and the corresponding third control rule, and determining whether the data flow indicated by the second instance identifier includes the The second instance proprietary information, if any, controls the data flow in accordance with the third control rule.
  • the processor 21 can passively receive The control strategy sent by the PCRF controls the data flow of the user equipment.
  • the processor 21 is further configured to actively request the PCRF to formulate a control policy, that is, when the input device 23 receives the data stream transmitted by the user equipment, the processor 21 determines the received data stream.
  • Type of service and assigning an instance identifier to the received data stream and/or obtaining instance-specific information of the received data stream; and controlling the type of data stream obtained by the output device 24 to obtain the data stream attribute obtaining unit
  • the attribute information and the service type are reported to the PCRF; the type attribute information includes an instance identifier and/or instance specific information; and the input device receives the reported service type sent by the PCRF, and the reported The control attribute corresponding to the type attribute information of the data stream, so that the PCRF has a purposeful execution control strategy.
  • a policy control and charging rule function entity PCRF is provided.
  • the device in this embodiment can perform service control according to the method described in Embodiment 2 of the foregoing method.
  • the structure is shown in FIG. 10, and includes:
  • the policy formulation unit 30 is configured to formulate a control policy for the data flow, where the control policy includes type attribute information of the data flow and a corresponding control rule, where the type attribute information of the data flow includes an instance identifier of the data flow and / or instance-specific information, different control rules for different types of data streams under the same service type;
  • the policy sending unit 31 is configured to send a control policy of the data flow acquired by the policy setting unit 30 to the service control device, to instruct the service control device to perform corresponding policy control on the data flow of the user equipment according to the control policy. .
  • the policy formulation unit 30 formulates a control policy for the data flow, and the policy sending unit 31 sends the control policy to the service control device, such as a TDF or a PCEF or a gateway device, by the service control device.
  • the service control device such as a TDF or a PCEF or a gateway device
  • the control policy corresponding data control is performed on the data flow of the user equipment.
  • the type attribute information of the data stream and its corresponding control rule are included in the control policy, so that different types of data streams under the same service type can be controlled differently, and the control precision of the data stream is improved.
  • the PCRF may include, in addition to the structure shown in FIG. 10, a demand information receiving unit 33 and a data stream information receiving unit 32, where:
  • the data stream information receiving unit 32 is configured to receive type attribute information and a service type of the data stream sent by the service control device, where the type attribute information includes an instance identifier and/or instance specific information.
  • the requirement information receiving unit 33 is configured to receive type attribute information and a corresponding quality of service requirement of a certain data stream sent by the application function entity.
  • the policy formulating unit 30 may directly be under the service type provided by the application function entity.
  • the certain data stream determines a control rule that is consistent with the quality of service requirement received by the demand information receiving unit 33.
  • the policy setting unit 30 also needs to wait for the data stream information receiving unit 32 to receive the information reported by the service control device, and then The type attribute information received by the demand information receiving unit 33 is compared with the type attribute information received by the data stream information receiving unit 32. If they are consistent, the policy making unit 30 determines the quality of service demand received by the demand information receiving unit 33 for the data stream. Consistent control rules.
  • the policy setting unit 30 acquires the service type received at the data stream information receiving unit 32. And a control rule corresponding to the type attribute information of the data flow reported by the service control device.
  • each unit in the device in this embodiment may perform service control according to the method described in Embodiment 2 of the foregoing method, and the structure diagram is as shown in FIG. 12, including respectively connecting to the bus.
  • the processor 41 is configured to formulate a control policy for the data stream, where the control policy includes type attribute information of the data stream and a corresponding control rule, where the type attribute information of the data stream includes an instance identifier of the data stream and / or instance-specific information, the control rules corresponding to different types of data streams are different under the same service type; controlling the output device 44 to send the control policy of the acquired data flow to the service control device to indicate the service The control device performs corresponding policy control on the data flow of the user equipment according to the control policy.
  • the processor 41 can actively obtain the control policy and send it to the service control device. In other specific embodiments, the processor 41 can also receive the service at the input device 43. Controlling the type attribute information and the service type of the data stream sent by the device; the type attribute information includes the instance identifier and/or the instance-specific information, and obtaining the report with the service control device under the service type received by the input device 43 The control attribute corresponding to the type attribute information of the data stream.
  • the processor 41 may also directly receive, after the input device 43 receives the type attribute information of the certain data stream sent by the application function entity and the corresponding service quality requirement, directly under the service type provided by the application function entity.
  • the data stream determines a control rule that is consistent with the quality of service requirements received by the input device.
  • the processor 41 waits for the input device 43 to receive the information reported by the service control device, and then types the type attribute information reported by the service control device. Comparing with the type attribute information sent by the application function entity, if consistent, the processor 41 determines a control rule for the data stream that is consistent with the received quality of service requirement.
  • the embodiment of the present invention further provides a service control system.
  • the structure of the system may be as shown in FIG. 2, and may include a policy control and charging rule function entity and a gateway device.
  • the policy control and charging rule function entity and The gateway devices may be connected through a Gx interface; or the system includes a policy control and charging rule function entity and a service detection function entity, which may be connected through an Sd interface; or the system includes a policy control and charging rule function entity And policy and billing execution entities, where:
  • the structure of the policy control and charging rule function entity may be as follows: the structure of the policy control and charging rule function entity as described in Embodiment 3 of the device of the present invention; and the structure of the gateway device, the service detection function entity, and the policy and charging execution entity
  • the structure of the service control device according to the first embodiment of the device of the present invention is not described herein.
  • the embodiment of the present invention further provides another service control system.
  • the structure of the system may be as shown in FIG. 2, and may include a policy control and charging rule function entity and a gateway device, specifically, a policy control and charging rule function entity.
  • the gateway device may be connected through a Gx interface; or the system includes a policy control and charging rule function entity and a service detection function entity, which may be connected through an Sd interface; or the system includes a policy control and charging rule function.
  • Entity and policy and billing enforcement entities where:
  • the structure of the policy control and charging rule function entity may be the structure of the policy control and charging rule function entity as described in Embodiment 4 of the device of the present invention; and the gateway device, the service detection function entity and The structure of the policy and the charging execution entity may be the same as the structure of the service control device according to the second embodiment of the device of the present invention, and details are not described herein.
  • the program may be stored in a computer readable storage medium, and the storage medium may include: ROM, RAM, disk or CD, etc.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)

Abstract

La présente invention concerne un procédé de commande de service, un système et un dispositif correspondant. Le procédé de commande de service consiste à : recevoir une politique de commande pour un flux de données qui est envoyé par une entité à fonction de règles de commande de politique et de facturation (PCRF), la politique de commande comprenant des informations d'attribut type concernant le flux de données et une règle de commande associée correspondante, les informations d'attribut type concernant le flux de données comprenant des informations d'identification d'instance et/ou de propriétaire d'instance concernant le flux de données (101); et mettre en œuvre une commande de politique correspondante sur le flux de données d'un équipement d'utilisateur conformément à la politique de commande (102). La présente invention permet de réaliser une mise en œuvre de commande de politique sur différents types de flux de données d'un même type de service.
PCT/CN2013/075190 2013-05-06 2013-05-06 Procédé de commande de service, système et dispositif correspondant WO2014179919A1 (fr)

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PCT/CN2013/075190 WO2014179919A1 (fr) 2013-05-06 2013-05-06 Procédé de commande de service, système et dispositif correspondant

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