WO2020164290A1 - 策略控制方法、装置及系统 - Google Patents

策略控制方法、装置及系统 Download PDF

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Publication number
WO2020164290A1
WO2020164290A1 PCT/CN2019/120415 CN2019120415W WO2020164290A1 WO 2020164290 A1 WO2020164290 A1 WO 2020164290A1 CN 2019120415 W CN2019120415 W CN 2019120415W WO 2020164290 A1 WO2020164290 A1 WO 2020164290A1
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WIPO (PCT)
Prior art keywords
qos
message
rule
network element
pcc rule
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PCT/CN2019/120415
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English (en)
French (fr)
Inventor
周晓云
阎亚丽
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.)
Filing date
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 EP19897573.2A priority Critical patent/EP3723413B1/en
Priority to JP2021547301A priority patent/JP7218447B2/ja
Priority to US16/890,728 priority patent/US11582350B2/en
Publication of WO2020164290A1 publication Critical patent/WO2020164290A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/66Policy and charging system
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/16Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/24Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5003Managing SLA; Interaction between SLA and QoS
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80Rating or billing plans; Tariff determination aspects
    • H04M15/8016Rating or billing plans; Tariff determination aspects based on quality of service [QoS]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/0268Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W80/00Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/08Upper layer protocols
    • H04W80/10Upper layer protocols adapted for application session management, e.g. SIP [Session Initiation Protocol]

Definitions

  • This application relates to the field of communication technology, and in particular to a strategy control method, device and system.
  • the prior art currently describes that in a process in which a terminal device requests a special quality of services (QoS) control on a selected service data flow (services data flow, SDF), the session management function (SMF) network
  • QoS quality of services
  • SDF service data flow
  • SMF session management function
  • PCF policy control function
  • Figure 1a shows the data structure that the terminal device sends to the SMF network element to describe the SDF, including the QoS rule element (information element, IE), the length of the QoS rule IE, and one or more QoS respectively used to describe the request Rule information.
  • the QoS rule element information element, IE
  • the length of the QoS rule IE the length of the QoS rule IE
  • one or more QoS respectively used to describe the request Rule information.
  • QoS rule identifier QoS rule identifier
  • QoS rule length length of QoS rule
  • rule operation code rule operation code
  • default QoS rule desault QoS Rule, DQR
  • number of packet filters number of packet filters
  • packet filter list packet filter list
  • QoS rule priority QoS rule precedence
  • free bits QoS flow identifier (QFI).
  • the embodiments of the present application provide a policy control method, device, and system, which can support the session management network element to perform policy authorization to the policy control network element in a special QoS control process.
  • a policy control method includes: a session management network element receives a first message from a terminal device, the first message includes an identifier of a quality of service QoS rule and a first operation instruction; The policy control network element sends a second message.
  • the second message includes an identifier of the policy and charging control PCC rule corresponding to the identifier of the QoS rule, and a second operation instruction corresponding to the first operation instruction, for requesting the policy control
  • the network element executes the second operation indicated by the second operation instruction on the PCC rule corresponding to the identifier of the PCC rule.
  • the session management network element may obtain the identifier of the PCC rule corresponding to the identifier of the QoS rule and the second operation instruction corresponding to the first operation instruction, and carry the information of the PCC rule in the second message sent to the policy control network element.
  • the identifier and the second operation instruction enable the policy control network element to perform the second operation indicated by the second operation instruction on the PCC rule corresponding to the identifier of the PCC rule. Therefore, based on this solution, in the special QoS control process, the session management network element can support the policy authorization to the policy control network element.
  • the first operation instruction includes the deletion of the QoS rule
  • the second operation instruction includes the deletion of the PCC rule
  • the second operation indicated by the second operation instruction includes the deletion of the PCC rule.
  • the method further includes: the session management network element receives a third message from the policy control network element, the third message includes an identifier of the PCC rule and first indication information, the first indication information indicates a deletion operation, wherein: The third message is used to notify the session management network element to delete the PCC rule; the session management network element sends a fourth message to the terminal device, the fourth message includes the QoS rule corresponding to the PCC rule, and the QoS rule includes the The identifier of the QoS rule and the first operation instruction, where the fourth message is used to notify the terminal device to delete the QoS rule.
  • the session management network element can delete the corresponding PCC rule, and the terminal device can delete the corresponding QoS rule.
  • the method further includes: the session management network element determines to delete the QoS flow bound to the PCC rule; correspondingly, the fourth message further includes the first QoS flow description information, and the first QoS flow description information includes the QoS flow And second indication information, where the second indication information indicates to delete the QoS flow, where the fourth message is also used to notify the terminal device to delete the QoS flow. Based on this solution, the terminal device can delete the QoS flow bound to the PCC rule.
  • the method further includes: the session management network element determines to modify the QoS flow bound to the PCC rule; correspondingly, the fourth message further includes second QoS flow description information; the second QoS flow description information includes the The identifier of the QoS flow, the third indication information, and the adjusted QoS parameter corresponding to the QoS flow, the third indication information indicates a modification operation, and the fourth message is also used to notify the terminal device according to the adjusted QoS parameter Modify the QoS flow. Based on this solution, the terminal device can modify the QoS flow bound to the PCC rule.
  • the first operation instruction includes modifying QoS rules and adding a packet filter
  • the second operation instruction includes modifying PCC rules and adding a packet filter
  • the second operation indicated by the second operation instruction includes A modification operation of adding a packet filter to the PCC rule; correspondingly, the first message further includes the first packet filter, and the second message further includes the first packet filter.
  • the first operation instruction includes modifying QoS rules and replacing packet filters
  • the second operation instruction includes modifying PCC rules and replacing packet filters
  • the second operation indicated by the second operation instruction includes Replace the modification operation of the packet filter in the PCC rule; correspondingly, the first message further includes the first packet filter, and the second message further includes the first packet filter.
  • the method further includes: the session management network element receives a fifth message from the policy control network element, where the fifth message includes a modified PCC rule, and the modified PCC rule includes an identifier of the PCC rule and the first message.
  • a packet filter wherein the fifth message is used to notify the session management network element to update the PCC rule corresponding to the identifier of the PCC rule according to the modified PCC rule; the session management network element sends the sixth message to the terminal device,
  • the sixth message includes the modified QoS rule corresponding to the modified PCC rule.
  • the modified QoS rule includes the QoS rule identifier, the first operation instruction, and the first packet filter set.
  • the first packet filter includes the first packet filter, wherein the sixth message is used to notify the terminal device to update the QoS rule corresponding to the QoS rule identifier according to the modified QoS rule.
  • the session management network element can update the corresponding PCC rules, and the terminal device can update the corresponding QoS rules.
  • the first message further includes the requested first QoS parameter
  • the second message further includes a second QoS parameter corresponding to the first QoS parameter
  • the second QoS parameter is used to determine the adjusted second QoS Parameters
  • the modified PCC rule also includes the adjusted second QoS parameter
  • the sixth message also includes the third QoS flow description information
  • the third QoS flow description information includes the PCC rule
  • the identifier of the bound QoS flow, the fourth indication information, and the adjusted first QoS parameter corresponding to the adjusted second QoS parameter, the fourth indication information indicates the modification operation
  • the sixth message is also used Informing the terminal device to modify the QoS flow according to the adjusted first QoS parameter. Based on this solution, the terminal device can modify the QoS flow bound to the PCC rule.
  • the first operation instruction includes modifying QoS rules and deleting packet filters
  • the second operation instruction includes modifying PCC rules and deleting packet filters
  • the second operation indicated by the second operation instruction includes Delete the modification operation of the packet filter in the PCC rule
  • the first message also includes the first identifier of the second packet filter to be deleted
  • the second message also includes the second identifier of the second packet filter ,
  • the first identifier is used to identify the second packet filter in the QoS rule
  • the second identifier is used to identify the second packet filter in the PCC rule.
  • the method further includes: the session management network element receives a seventh message from the policy control network element, the seventh message includes a modified PCC rule, the modified PCC rule includes an identifier of the PCC rule, and the The modified PCC rule does not include the second packet filter, where the seventh message is used to notify the session management network element to update the PCC rule corresponding to the identifier of the PCC rule according to the modified PCC rule; session management network The element sends an eighth message to the terminal device.
  • the eighth message includes the modified QoS rule corresponding to the modified PCC rule.
  • the modified QoS rule includes the identifier of the QoS rule, the first operation instruction, and the second A packet filter set, the second packet filter is not included in the second packet filter set, wherein the eighth message is used to notify the terminal device to update the QoS corresponding to the identifier of the QoS rule according to the modified QoS rule rule.
  • the session management network element can update the corresponding PCC rules, and the terminal device can update the corresponding QoS rules.
  • the first message further includes the requested first QoS parameter
  • the second message further includes a second QoS parameter corresponding to the first QoS parameter
  • the second QoS parameter is used to determine the adjusted second QoS parameters
  • the modified PCC rule also includes the adjusted second QoS parameter
  • the eighth message also includes fourth QoS flow description information
  • the fourth QoS flow description information includes the PCC
  • the identifier of the QoS flow bound by the rule, the fifth indication information, and the adjusted first QoS parameter corresponding to the adjusted second QoS parameter, the fifth indication information indicates the modification operation
  • the eighth message also It is used to notify the terminal device to modify the QoS flow according to the adjusted first QoS parameter. Based on this solution, the terminal device can modify the QoS flow bound to the PCC rule.
  • the first operation instruction includes modifying the QoS rule without modifying the packet filter
  • the second operation instruction includes modifying the PCC rule without modifying the packet filter
  • the second operation instruction indicates the second
  • the operation includes the modification operation of the QoS parameter in the PCC rule; correspondingly, the first message also includes the requested first QoS parameter, the second message also includes the second QoS parameter corresponding to the first QoS parameter, and the first message
  • the second QoS parameter is used to determine the adjusted second QoS parameter. Based on this solution, it is possible to modify the QoS rules without modifying the packet filter, and modify the PCC rules without modifying the packet filter.
  • the method further includes: the session management network element receives a ninth message from the policy control network element, where the ninth message includes a modified PCC rule, and the modified PCC rule includes an identifier of the PCC rule and In the adjusted second QoS parameter, the ninth message is used to notify the session management network element to update the PCC rule corresponding to the PCC rule identifier according to the modified PCC rule; the session management network element sends the first Tenth message, the tenth message includes fifth QoS flow description information, the fifth QoS flow description information includes the identifier of the QoS flow bound to the PCC rule, sixth indication information, and corresponding to the adjusted second QoS parameter
  • the sixth indication information indicates a modification operation, and the tenth message is used to notify the terminal device to modify the QoS flow according to the adjusted first QoS parameter. Based on this solution, the terminal device can modify the QoS flow bound to the PCC rule.
  • the method further includes: the session management network element receives the eleventh message from the terminal device, and the eleventh message includes the third message.
  • a packet filter and a third operation instruction the third operation instruction includes creating a QoS rule, wherein the eleventh message is used to notify the session management network element to create a QoS rule;
  • the session management network element sends the first QoS rule to the policy control network element A twelfth message, the twelfth message includes the third packet filter, and a fourth operation instruction corresponding to the third operation instruction, the fourth operation instruction includes the creation of a PCC rule, where the twelfth message is used for Notify the policy control network element to create a PCC rule;
  • the session management network element receives a thirteenth message from the policy control network element.
  • the thirteenth message includes the created PCC rule.
  • the PCC rule includes the PCC rule identifier and the PCC rule.
  • the third packet filter wherein the thirteenth message is used to notify the session management network element to install the created PCC rule; the session management network element sends a fourteenth message to the terminal device, and the fourteenth message includes the created A QoS rule corresponding to the PCC rule, the QoS rule includes an identifier of the QoS rule, the third operation instruction, and a third packet filter set, and the third packet filter set includes the third packet filter, wherein The fourteenth message is used to notify the terminal device to install the created QoS rule. Based on this solution, QoS rules and PCC rules can be created.
  • the eleventh message further includes the requested third QoS parameter
  • the twelfth message further includes a fourth QoS parameter corresponding to the third QoS parameter
  • the fourth QoS parameter is used to determine the adjusted third QoS parameter.
  • the created PCC rule also includes the adjusted fourth QoS parameter
  • the fourteenth message also includes sixth QoS flow description information
  • the sixth QoS flow description information includes The identifier of the QoS flow bound to the PCC rule, the seventh indication information, and the adjusted third QoS parameter corresponding to the adjusted fourth QoS parameter, the seventh indication information indicating the creation or modification operation, where the The fourteenth message is also used to notify the terminal device to modify the QoS flow according to the adjusted third QoS parameter. Based on this solution, the terminal device can modify the QoS flow bound to the PCC rule.
  • a communication device for implementing the above-mentioned various methods.
  • the communication device may be the session management network element in the foregoing first aspect, or a device including the foregoing session management network element.
  • the communication device includes a module, unit, or means corresponding to the foregoing method, and the module, unit, or means can be implemented by hardware, software, or hardware execution of corresponding software.
  • the hardware or software includes one or more modules or units corresponding to the above-mentioned functions.
  • a communication device including: a processor and a memory; the memory is used to store computer instructions, and when the processor executes the instructions, the communication device executes the method described in the first aspect.
  • the communication device may be the session management network element in the foregoing first aspect, or a device including the foregoing session management network element.
  • a communication device including: a processor; the processor is configured to couple with a memory, and after reading an instruction in the memory, execute the method according to the first aspect according to the instruction.
  • the communication device may be the session management network element in the foregoing first aspect, or a device including the foregoing session management network element.
  • a computer-readable storage medium stores instructions that, when run on a computer, enable the computer to execute the method described in the first aspect.
  • a computer program product containing instructions which, when run on a computer, enables the computer to execute the method described in the first aspect.
  • a communication device for example, the communication device may be a chip or a chip system
  • the communication device includes a processor for implementing the functions involved in the first aspect.
  • the communication device further includes a memory for storing necessary program instructions and data.
  • the communication device is a chip system, it may be composed of chips, or may include chips and other discrete devices.
  • a communication system in an eighth aspect, includes a session management network element and a policy control network element; the session management network element is configured to receive a first message from a terminal device, and the first message includes an identifier of a quality of service QoS rule And the first operation instruction; the session management network element is also used to send a second message to the policy control network element, the second message includes the policy and charging control PCC rule identifier corresponding to the identifier of the QoS rule, and the first The second operation instruction corresponding to the operation instruction; the policy control network element is used to receive the second message from the session management network element, and perform the second operation indicated by the second operation instruction on the PCC rule corresponding to the identifier of the PCC rule .
  • the session management network element is also used to execute the method described in any one of the possible designs of the first aspect.
  • Figure 1a shows the data structure of the SDF sent by the existing terminal equipment to the SMF network element
  • Figure 1b is an existing data structure for indicating information for each QoS rule requested
  • FIG. 2 is a schematic diagram of the architecture of a communication system provided by an embodiment of the application.
  • Fig. 3a is a 5G network architecture 1 in a non-roaming scenario provided by an embodiment of the application;
  • Figure 3b is the second 5G network architecture in a non-roaming scenario provided by an embodiment of the application.
  • FIG. 4 is a schematic structural diagram of a communication device provided by an embodiment of the application.
  • FIG. 5 is a schematic diagram 1 of the flow of a policy control method provided by an embodiment of the application.
  • FIG. 6 is a schematic diagram of the second flow of the policy control method provided by an embodiment of the application.
  • FIG. 7 is a third schematic flow chart of the policy control method provided by an embodiment of the application.
  • FIG. 8 is a fourth schematic flowchart of a policy control method provided by an embodiment of this application.
  • FIG. 9 is a schematic structural diagram of a communication device provided by an embodiment of the application.
  • At least one item (a) refers to any combination of these items, including any combination of a single item (a) or plural items (a).
  • at least one item (a) of a, b, or c can mean: a, b, c, ab, ac, bc, or abc, where a, b, and c can be single or multiple .
  • words such as “first” and “second” are used to distinguish the same items or similar items with substantially the same function and effect.
  • words such as “first” and “second” do not limit the quantity and order of execution, and words such as “first” and “second” do not limit the difference.
  • words such as “exemplary” or “for example” are used as examples, illustrations, or illustrations. Any embodiment or design solution described as “exemplary” or “for example” in the embodiments of the present application should not be construed as being more preferable or advantageous than other embodiments or design solutions.
  • words such as “exemplary” or “for example” are used to present related concepts in a specific manner to facilitate understanding.
  • the communication system 20 includes a session management network element 201 and a policy control network element 202.
  • the session management network element 201 receives a first message from the terminal device, the first message includes a QoS rule identifier and a first operation instruction, and is used to request the session management network element 201 to execute the QoS rule corresponding to the QoS rule identifier
  • the first operation indicates the indicated first operation.
  • the session management network element 201 sends a second message to the policy control network element 202.
  • the second message includes the identifier of the policy and charging control (PCC) rule corresponding to the identifier of the QoS rule, and the first operation
  • the corresponding second operation instruction is used to request the policy control network element 202 to perform the second operation indicated by the second operation instruction on the PCC rule corresponding to the identifier of the PCC rule.
  • the policy control network element 202 performs the second operation indicated by the second operation instruction on the PCC rule corresponding to the identifier of the PCC rule.
  • the session management network element may obtain the identifier of the PCC rule corresponding to the identifier of the QoS rule and the second operation instruction corresponding to the first operation instruction, and carry the information of the PCC rule in the second message sent to the policy control network element.
  • the identifier and the second operation instruction enable the policy control network element to perform the second operation indicated by the second operation instruction on the PCC rule corresponding to the identifier of the PCC rule. Therefore, based on this solution, in the special QoS control process, the session management network element can support the policy authorization to the policy control network element.
  • the session management network element 201 and the policy control network element 202 may communicate directly, or communicate through the forwarding of other devices, which is not specifically limited in the embodiment of the present application.
  • the communication system 20 shown in FIG. 2 may be applied to the fifth generation (5G) currently under discussion or other future networks, which are not specifically limited in the embodiment of the present application.
  • 5G fifth generation
  • the network element or entity corresponding to the aforementioned session management network element 201 may be the non-roaming
  • the network element or entity corresponding to the aforementioned policy control network element 202 may be a PCF network element in the non-roaming 5G network architecture.
  • the non-roaming 5G network architecture may also include radio access network (RAN) equipment, access and mobility management function (AMF) network elements, User plane function (UPF) network element, unified data management (UDM) network element, or authentication server function (authentication server function, AUSF) network element, etc.
  • RAN radio access network
  • AMF access and mobility management function
  • UPF User plane function
  • UDM unified data management
  • authentication server function authentication server function, AUSF
  • the terminal communicates with the AMF network element through the next generation network (next generation, N) 1 interface (referred to as N1)
  • the RAN device communicates with the AMF network element through the N2 interface (referred to as N2)
  • the RAN device communicates with the AMF network element through the N3 interface (referred to as N3).
  • UPF network element communication UPF network element communicates with data network (DN) through N6 interface (N6 for short), AMF network element communicates with SMF network element through N11 interface (N11 for short), and AMF network element through N8 interface (for short) N8) Communication with UDM network element, AMF network element communicates with AUSF network element through N12 interface (N12 for short), AMF network element communicates with PCF network element through N15 interface (N15 for short), SMF network element through N7 interface (N7 for short) Communicate with PCF network element, SMF network element communicates with UPF network element through N4 interface (abbreviated as N4), SMF network element communicates with UDM network element through N10 interface (abbreviated as N10), UDM network element communicates with AUSF through N13 interface (abbreviated as N13) Network element communication.
  • control plane network elements such as AMF network elements, SMF network elements, UDM network elements, AUSF network elements, or PCF network elements in the non-roaming 5G network architecture shown in Figure 3a can also adopt service-oriented interfaces.
  • the servicing interface provided by the AMF network element to the outside may be Namf
  • the servicing interface provided by the SMF network element to the outside may be Nsmf
  • the servicing interface provided by the UDM network element to the outside may be Nudm
  • the servicing interface provided externally may be Npcf
  • the servicing interface provided externally by the AUSF network element may be Nausf.
  • 5G system architecture 5G system architecture
  • FIG. 3a and FIG. 3b only take the communication system 20 applied to the 5G network architecture in the non-roaming scenario as an example for illustration.
  • the communication system 20 can also be applied to the 5G network architecture in the roaming scenario, and will not be described here. for example.
  • the terminal device in the embodiment of the present application may be a device used to implement a wireless communication function, such as a terminal or a chip that can be used in a terminal.
  • the terminal may be a user equipment (UE), an access terminal, a terminal unit, a terminal station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, and wireless communication in a 5G network or a future evolved PLMN.
  • the access terminal can be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices or wearable devices, virtual reality (VR) terminal devices, augmented reality (AR) terminal devices, industrial control (industrial) Wireless terminal in control), wireless terminal in self-driving, wireless terminal in remote medical, wireless terminal in smart grid, wireless terminal in transportation safety (transportation safety) Terminals, wireless terminals in smart cities, wireless terminals in smart homes, etc.
  • the terminal can be mobile or fixed.
  • the RAN equipment in the embodiments of the present application refers to equipment that accesses the core network, such as a base station, a broadband network gateway (BNG), an aggregation switch, and a non-third-generation partnership plan ( 3rd generation partnership project, 3GPP) access equipment, etc.
  • the base station may include various forms of base stations, such as: macro base stations, micro base stations (also called small stations), relay stations, access points, and so on.
  • the session management network element or the policy control network element in the embodiment of the present application may also be referred to as a communication device, which may be a general-purpose device or a dedicated device, which is not specifically limited in the embodiment of the present application.
  • the related functions of the session management network element or the policy control network element in the embodiments of the present application can be implemented by one device, or by multiple devices, or by one or more functions in one device.
  • Module implementation this embodiment of the application does not specifically limit this. It is understandable that the above functions can be network elements in hardware devices, software functions running on dedicated hardware, or a combination of hardware and software, or instantiated on a platform (for example, a cloud platform) Virtualization function.
  • FIG. 4 is a schematic structural diagram of a communication device 400 provided by an embodiment of this application.
  • the communication device 400 includes one or more processors 401, a communication line 402, and at least one communication interface (in FIG. 4, the communication interface 404 and one processor 401 are taken as an example for illustration), optional
  • the memory 403 may also be included.
  • the processor 401 may be a general-purpose central processing unit (central processing unit, CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more programs for controlling the execution of the program of this application. integrated circuit.
  • CPU central processing unit
  • ASIC application-specific integrated circuit
  • the communication line 402 may include a path for connecting different components.
  • the communication interface 404 may be a transceiver module for communicating with other devices or communication networks, such as Ethernet, RAN, wireless local area networks (WLAN), etc.
  • the transceiver module may be a device such as a transceiver or a transceiver.
  • the communication interface 404 may also be a transceiver circuit located in the processor 401 to implement signal input and signal output of the processor.
  • the memory 403 may be a device having a storage function. For example, it can be read-only memory (ROM) or other types of static storage devices that can store static information and instructions, random access memory (RAM), or other types that can store information and instructions Dynamic storage devices can also be electrically erasable programmable read-only memory (EEPROM), compact disc read-only memory (CD-ROM), or other optical disk storage, optical disc storage ( Including compact discs, laser discs, optical discs, digital universal discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or can be used to carry or store desired program codes in the form of instructions or data structures and can be stored by a computer Any other media taken, but not limited to this.
  • the memory may exist independently and is connected to the processor through the communication line 402. The memory can also be integrated with the processor.
  • the memory 403 is used to store computer-executed instructions for executing the solution of the present application, and the processor 401 controls the execution.
  • the processor 401 is configured to execute computer-executable instructions stored in the memory 403, so as to implement the policy control method provided in the embodiment of the present application.
  • the processor 401 may also perform processing-related functions in the policy control method provided in the following embodiments of the present application, and the communication interface 404 is responsible for communicating with other devices or communication networks.
  • the application embodiment does not specifically limit this.
  • the computer-executable instructions in the embodiments of the present application may also be referred to as application program code, which is not specifically limited in the embodiments of the present application.
  • the processor 401 may include one or more CPUs, such as CPU0 and CPU1 in FIG. 4.
  • the communication device 400 may include multiple processors, such as the processor 401 and the processor 408 in FIG. 4. Each of these processors can be a single-CPU (single-CPU) processor or a multi-core (multi-CPU) processor.
  • the processor here may refer to one or more devices, circuits, and/or processing cores for processing data (for example, computer program instructions).
  • the communication device 400 may further include an output device 405 and an input device 406.
  • the output device 405 communicates with the processor 401 and can display information in a variety of ways.
  • the output device 405 may be a liquid crystal display (LCD), a light emitting diode (LED) display device, a cathode ray tube (CRT) display device, or a projector (projector) Wait.
  • the input device 406 communicates with the processor 401 and can receive user input in a variety of ways.
  • the input device 406 may be a mouse, a keyboard, a touch screen device, or a sensor device.
  • the aforementioned communication device 400 may sometimes be called a communication device, and it may be a general-purpose device or a special-purpose device.
  • the communication device 400 may be a desktop computer, a portable computer, a network server, a personal digital assistant (PDA), a mobile phone, a tablet computer, a wireless terminal device, an embedded device, the foregoing terminal device, the foregoing network device, or a picture 4 similar structure equipment.
  • PDA personal digital assistant
  • the embodiment of the present application does not limit the type of the communication device 400.
  • a policy control method provided in an embodiment of this application includes the following steps:
  • the terminal device sends message 1 to the SMF network element.
  • the SMF network element receives message 1 from the terminal device.
  • the message 1 may be a packet data unit (PDU) session modification request (session modification request) message in FIG. 5, for example.
  • PDU packet data unit
  • session modification request session modification request
  • the message 1 includes information used to indicate the requested QoS rule, and is used to notify the SMF network element to create the requested QoS rule.
  • the information used to indicate the requested QoS rule may include, for example, a packet filter used to describe the SDF (here, referred to as packet filter 1) and operation instruction 1 (also referred to as operation code 1)—create new QoS rule.
  • 1 in the message may also include the QoS rule packet filter identifier 1.
  • the message 1 may also include the requested QoS parameter (here denoted as QoS parameter 1).
  • the QoS parameter 1 is the QoS parameter corresponding to the requested QoS flow.
  • the QoS parameter 1 may include the requested 5G QoS identifier (5G QoS identifier, 5QI).
  • the QoS parameter 1 may also include the requested GBR.
  • S502 The SMF network element sends message 2 to the PCF network element.
  • the PCF network element receives the message 2 from the SMF network element.
  • the message 2 may be a session management (session management, SM) policy control update (policy control update) request message in FIG. 5, for example.
  • SM session management
  • policy control update policy control update
  • the message 2 includes the above-mentioned packet filter 1, an operation instruction 2 corresponding to the operation instruction 1 (also referred to as operation code 2)—create new PCC rule, which is used to notify the PCF network element to create a PCC rule.
  • message 2 may also include QoS parameter 2 corresponding to QoS parameter 1
  • QoS parameter 2 is the QoS parameter corresponding to the requested PCC rule.
  • the QoS parameter 2 may include, for example, the 5QI requested in the QoS parameter 1 and the requested GBR calculated by the SMF network element. If the QoS flow corresponding to the QoS parameter 1 requested by the terminal device does not exist, the requested GBR calculated by the SMF network element is equal to the GBR in QoS parameter 1; otherwise, the SMF network element is based on the GBR and QoS parameter 1 of the authorized QoS flow The difference between the requested GBR in QoS parameter 2 is calculated.
  • the PCF network element makes a policy decision.
  • the PCF network element can create a PCC rule according to message 2.
  • the PCC rule may include an identifier of the PCC rule and an SDF template (template).
  • the SDF template includes the aforementioned packet filter 1 and the PCC rule packet filter identifier 1 assigned to the packet filter 1 by the PCF network element.
  • the PCF network element can also determine the adjusted QoS parameter (it can also be described as an authorized QoS parameter, marked as QoS parameter 3), and the PCC rule can also Including QoS parameter 3.
  • the QoS parameter 3 may include, for example, 5QI and allocation and retention priority (allocation and retention priority, ARP).
  • the QoS parameter 3 also includes the requested GBR and the maximum bit rate (MBR).
  • the MBR may be determined according to a policy, and exemplarily may be equal to the requested GBR, which is not specifically limited in the embodiment of the present application.
  • the PCF network element sends message 3 to the SMF network element.
  • the SMF network element receives the message 3 from the PCF network element.
  • the message 3 may be the SM policy control update response message in FIG. 5, for example.
  • the message 3 may include the created PCC rule, and the message 3 is used to notify the SMF network element to install the created PCC rule.
  • the SMF network element installs the created PCC rule, and creates a QoS rule corresponding to the PCC rule.
  • the SMF network element may also perform QoS flow binding according to PCC rules.
  • the SMF network element allocates a QoS flow identifier (QFI) for the newly created QoS flow, and compares the newly created PCC rule with the newly created QoS flow.
  • QFI QoS flow identifier
  • Flow binding or, if the SMF network element does not need to create a new QoS flow, the SMF network element binds the newly created PCC rule to the existing QoS flow.
  • the QoS rules in the embodiments of the present application may include the identifier of the QoS rule, the operation instruction 1-create new QoS rule, the packet filter set (set) 1, and the identifier of the QoS flow bound to the PCC rule (ie QFI)
  • the packet filter set 1 includes the aforementioned packet filter 1 and the QoS rule packet filter identifier 1 assigned to the packet filter 1 by the SMF network element or terminal device.
  • the SMF network element may store the correspondence between the PCC rule identifier and the QoS rule, and the correspondence between the PCC rule packet filter identifier 1 and the QoS rule packet filter identifier 1, which will not be described here. Specific restrictions.
  • S506 The SMF network element sends a message 4 to the terminal device.
  • the terminal device receives the message 4 from the SMF network element.
  • the message 4 may be, for example, the PDU session modification response (session modification response) message in FIG. 5.
  • the message 4 includes the created QoS rule, which is used to notify the terminal device to install the QoS rule.
  • the message 4 may also include QoS flow description information 1.
  • the QoS flow description information 1 includes QoS parameters 4 and PCC rule binding The identifier of the QoS flow (ie QFI) and indication information 1, which indicates the creation or modification operation.
  • the QoS flow description information 1 is used to notify the terminal device to create or modify the QoS flow bound to the PCC rule according to the QoS parameter 4.
  • the terminal device after receiving the message 4 from the SMF network element, the terminal device can install the corresponding QoS rules according to the message 4; and, optionally, if the terminal device can obtain the QoS flow description information 1, the terminal device can use the QoS flow description information
  • the QoS parameter 4 in 1 creates or modifies the QoS flow bound by the PCC rule, which is not specifically limited here.
  • the embodiment shown in FIG. 5 provides an interaction process between the SMF network element and the PCF network element in the special QoS control process.
  • the SMF network element can obtain the identifier of the PCC rule corresponding to the identifier of the QoS rule, and the operation instruction corresponding to the operation instruction—create new QoS rule—create new PCC rule, and carry it in the message 2 sent to the PCF network element
  • the identifier of the PCC rule and the operation instruction—create new PCC rule enable the PCF network element to create a PCC rule corresponding to the identifier of the PCC rule according to message 2. Therefore, based on the policy control method provided by the embodiment of the present application, it is possible to support the SMF network element to perform policy authorization to the PCF network element in the special QoS control process.
  • the actions of the PCF network element or the SMF network element in the above steps S501 to S506 can be executed by the processor 401 in the communication device 400 shown in FIG. 4 calling the application program code stored in the memory 403. This embodiment There are no restrictions.
  • a strategy control method provided in an embodiment of this application includes the following steps:
  • the terminal device sends message 1 to the SMF network element.
  • the SMF network element receives message 1 from the terminal device.
  • the message 1 may be, for example, the PDU session modification request message in FIG. 6.
  • the message 1 includes information used to indicate the requested QoS rule, and is used to notify the SMF network element to delete the requested QoS rule.
  • the information used to indicate the requested QoS rule may include, for example, operation instruction 3 (also referred to as operation code 3)—delete existing QoS rule and an identifier of the corresponding QoS rule.
  • the SMF network element sends message 2 to the PCF network element.
  • the PCF network element receives the message 2 from the SMF network element.
  • the message 2 may be, for example, the SM policy control update request message in FIG. 6.
  • the message 2 includes the identifier of the PCC rule corresponding to the identifier of the QoS rule, and the operation instruction 4 (also called operation code 4) corresponding to the operation instruction 3—delete existing PCC rule, which is used to notify the PCF network Meta deletes the PCC rule corresponding to the identifier of the PCC rule.
  • the PCF network element makes a policy decision.
  • the PCF network element may determine to delete the PCC rule corresponding to the identifier of the PCC rule according to message 2, and then delete the PCC rule corresponding to the identifier of the PCC rule.
  • the PCF network element sends message 3 to the SMF network element.
  • the SMF network element receives the message 3 from the PCF network element.
  • the message 3 may be, for example, the SM policy control update response message in FIG. 6.
  • the message 3 may include the identifier of the PCC rule and the indication information 2.
  • the indication information 2 indicates a deletion operation, and the message 3 is used to notify the SMF network element to delete the PCC rule corresponding to the identifier of the PCC rule.
  • the SMF network element deletes the PCC rule corresponding to the identifier of the PCC rule, and deletes the QoS rule corresponding to the PCC rule.
  • the SMF network element sends a message 4 to the terminal device.
  • the terminal device receives the message 4 from the SMF network element.
  • the message 4 may be, for example, the PDU session modification response message in FIG. 6.
  • the message 4 includes the QoS rule corresponding to the PCC rule, and the QoS rule includes the QoS rule identifier and operation instruction 3-delete existing QoS rule, where the message 4 is used to notify the terminal device to delete the corresponding QoS rule identifier QoS rules.
  • the terminal device after receiving the message 4 from the SMF network element, the terminal device can delete the corresponding QoS rule according to the message 4.
  • the SMF network element may also determine to delete the QoS flow bound to the PCC rule.
  • the message 4 may also include QoS flow description information 2.
  • the QoS flow description information 2 includes the identifier of the QoS flow bound to the PCC rule and indication information 3, and the indication information 3 indicates to delete the corresponding QoS flow.
  • the terminal device obtains the QoS flow description information 2, it can delete the corresponding QoS flow according to the QoS flow description information 2, which is not specifically limited here.
  • the SMF network element may also determine to modify the QoS flow bound to the PCC rule.
  • the message 4 may also include QoS flow description information 3.
  • the QoS flow description information 3 includes the identifier of the QoS flow bound by the PCC rule, indication information 4 and adjusted QoS parameters, and the indication information 4 indicates to modify the corresponding QoS flow.
  • the terminal device obtains the QoS flow description information 3, it can modify the corresponding QoS flow according to the adjusted QoS parameters in the QoS flow description information 3, which is not specifically limited here.
  • the embodiment shown in FIG. 6 provides an interaction process between the SMF network element and the PCF network element in the special QoS control process.
  • the SMF network element can obtain the identifier of the PCC rule corresponding to the identifier of the QoS rule and the operation instruction corresponding to the operation instruction—delete existing QoS rule—delete existing PCC rule, and carry it in the message 2 sent to the PCF network element
  • the identifier of the PCC rule and the operation instruction—delete existing PCC rule enable the PCF network element to delete the PCC rule corresponding to the identifier of the PCC rule according to message 2. Therefore, based on the policy control method provided by the embodiment of the present application, it is possible to support the SMF network element to perform policy authorization to the PCF network element in the special QoS control process.
  • the actions of the PCF network element or the SMF network element in the above steps S601 to S606 can be executed by the processor 401 in the communication device 400 shown in FIG. 4 calling the application program code stored in the memory 403. This embodiment There are no restrictions.
  • the operation instruction requested by the terminal device from the SMF network element is to modify QoS rules and add/replace/delete Take packet filters (modify existing QoS rule and add/replace/delete packet filters) as an example, as shown in FIG. 7, a policy control method provided in this embodiment of the application, the policy control method includes the following steps:
  • the terminal device sends message 1 to the SMF network element.
  • the SMF network element receives message 1 from the terminal device.
  • the message 1 may be, for example, the PDU session modification request message in FIG. 7.
  • the message 1 includes information used to indicate the requested QoS rule, and is used to notify the SMF network element to perform a modification operation of adding/replacement/deleting a packet filter to the QoS rule.
  • the information used to indicate the requested QoS rule may include, for example, operation Indication 5 (can also be referred to as opcode 5)-modify existing QoS rule and add packet filters and the corresponding QoS rule identification, as well as request for the newly added packet filter used to describe the SDF (here marked as packet filter 2).
  • operation Indication 5 can also be referred to as opcode 5
  • the terminal device allocates a QoS rule packet filter identifier 2 to the packet filter 2, then 1 in the message 1 also includes the QoS rule packet filter identifier 2.
  • the information used to indicate the requested QoS rules may be, for example, Including operation instruction 7 (also called operation code 7)-modify existing QoS rule and replace packet filters and the identification of the corresponding QoS rule, as well as the packet filter used to replace the existing packet filter in the QoS rule ( This is marked as packet filter 3).
  • operation instruction 7 also called operation code 7
  • the terminal device allocates a QoS rule packet filter identifier 3 to the packet filter 3, then 1 in the message also includes the QoS rule packet filter identifier 3.
  • the information used to indicate the requested QoS rules may, for example, Including operation instruction 9 (can also be called operation code 9)-modify existing QoS rule and delete packet filters and the corresponding QoS rule identification, as well as the first identification of the packet filter to be deleted (here it is assumed that the packet to be deleted)
  • the filter is packet filter 1, and the first identifier of the packet filter to be deleted is the QoS rule packet filter identifier 1) assigned by the SMF network element or terminal device to the packet filter 1.
  • the message 1 may also include the requested QoS parameter (here denoted as QoS parameter 1).
  • QoS parameter 1 the requested QoS parameter
  • the SMF network element sends message 2 to the PCF network element.
  • the PCF network element receives the message 2 from the SMF network element.
  • the message 2 may be, for example, the SM policy control update request message in FIG. 7.
  • the message 2 includes the PCC rule identifier corresponding to the QoS rule identifier, the packet filter 2, and the operation instruction 6 corresponding to the operation instruction 5 ( It can also be called operation code 6)—modify existing PCC rule and add packet filters, which are used to notify the PCF network element to perform the modification operation of adding packet filter 2 to the PCC rule corresponding to the identifier of the PCC rule.
  • the message 2 includes the PCC rule identifier corresponding to the QoS rule identifier, the packet filter 3, and the operation instruction corresponding to the operation instruction 7 8 (also called opcode 8)—modify existing PCC rule and replace packet filters, used to notify the PCF network element to execute the modification of replacing the packet filter in the PCC rule corresponding to the PCC rule identifier with the packet filter 3 operating.
  • the message 2 includes the PCC rule identifier corresponding to the QoS rule identifier, and the PCC rule packet filter corresponding to the QoS rule packet filter identifier 1.
  • Device identifier 1, and operation instruction 10 corresponding to operation instruction 9 (also called operation code 10)—modify existing PCC rule and delete packet filters, used to notify PCF network elements to delete the PCC rule corresponding to the identifier of the PCC rule Modification operation of packet filter 1 in.
  • the relevant description of the PCC rule packet filter identifier 1 can refer to the embodiment shown in FIG. 5, which will not be repeated here.
  • message 2 may also include QoS parameter 2 corresponding to QoS parameter 1.
  • QoS parameter 2 For the related description of QoS parameter 2, please refer to the embodiment shown in FIG. 5, which will not be repeated here. Repeat.
  • the PCF network element makes a policy decision.
  • the PCF network element may modify the PCC rule according to the message 2.
  • the modified PCC rule includes the identifier of the PCC rule and the SDF template (template).
  • the SDF template includes the aforementioned packet filter 2 and the PCC rule packet filter identifier 2 assigned to the packet filter 2 by the PCF network element.
  • the SDF template includes the above packet filter 1, and PCF
  • the PCC rule packet filter identifier 1 assigned by the network element to the packet filter 1, that is, the modified PCC rule also includes the original existing packet filter and the PCC rule package assigned by the PCF network element to the packet filter Filter ID.
  • the PCF network element may modify the PCC rule according to message 2.
  • the modified PCC rule includes the PCC rule identifier and the SDF template.
  • the SDF template includes the aforementioned packet filter 3 and the PCC rule packet filter identifier 3 assigned to the packet filter 3 by the PCF network element.
  • the SDF template does not include packet filter 1, and PCF The PCC rule packet filter identifier 1 assigned by the network element to the packet filter 1, that is, the original packet filter in the modified PCC rule and the PCC rule packet filter assigned by the PCF network element to the packet filter The logo has been replaced.
  • the PCF network element may modify the PCC rule according to the message 2, and the modified PCC rule includes the identifier of the PCC rule and the SDF template (template).
  • the SDF template does not include the PCC rule packet filter identifier 1 and the packet filter 1 corresponding to the PCC rule packet filter identifier 1.
  • the SDF template may also include other packet filters and the PCC rule packet filter identifier assigned by the PCF network element to the packet filter, which is not specifically limited here.
  • the PCF network element may also determine the adjusted QoS parameter (it can also be described as an authorized QoS parameter, marked as QoS parameter 3), and the modified PCC rule QoS parameters can also be included in 3.
  • the related description of QoS parameter 3 can refer to the embodiment shown in FIG. 5, which will not be repeated here.
  • the PCF network element sends message 3 to the SMF network element.
  • the SMF network element receives the message 3 from the PCF network element.
  • the message 3 may be the SM policy control update response message in FIG. 7, for example.
  • the message 3 may include the modified PCC rule, and the message 3 is used to notify the SMF network element to update the PCC rule corresponding to the identifier of the PCC rule according to the modified PCC rule.
  • the SMF network element updates the PCC rule corresponding to the identifier of the PCC rule, and modifies the QoS rule corresponding to the PCC rule.
  • the modified QoS rule may include the identifier of the QoS rule, operation instruction 5-modify existing QoS rule and add packet filters and packet filter set 2,
  • the packet filter set 2 includes the aforementioned packet filter 2 and the QoS rule packet filter identifier 2 assigned to the packet filter 2 by the SMF network element or terminal device.
  • the packet filter set 2 may also include The packet filter 1, and the QoS rule assigned by the SMF network element or terminal device to the packet filter 1, the packet filter identifier 1, that is, the modified QoS rule also includes the original existing packet filter and the SMF network element Or the QoS rule packet filter identifier assigned by the terminal device to the packet filter.
  • the modified QoS rule may include the identifier of the QoS rule, operation instruction 7—modify existing QoS rule and replace packet filters and packet filter set 3.
  • the packet filter set 3 includes the aforementioned packet filter 3 and the QoS rule packet filter identifier 3 assigned to the packet filter 3 by the SMF network element or terminal device.
  • the QoS rule before modification includes the packet filter 1, and the QoS rule packet filter identifier 1 assigned by the SMF network element or the terminal device to the packet filter 1, then the packet filter set 3 does not include the packet Filter 1, and the QoS rule assigned by the SMF network element or terminal device to the packet filter 1.
  • the packet filter identifier 1 that is to say, the original existing packet filter and SMF network element or terminal device in the modified QoS rule
  • the QoS rule packet filter identifier assigned to the packet filter is replaced.
  • the modified QoS rule may include the identifier of the QoS rule, operation instruction 9—modify existing QoS rule and delete packet filters and packet filter set 4.
  • the packet filter set 4 does not include the packet filter 1, and the QoS rule packet filter identifier 1 assigned to the packet filter 1 by the SMF network element or the terminal device.
  • the SMF network element may also determine the QoS parameter 4 corresponding to QoS parameter 3.
  • the QoS parameter 4 please refer to Fig. The embodiment shown in 5 will not be repeated here.
  • the SMF network element sends a message 4 to the terminal device.
  • the terminal device receives the message 4 from the SMF network element.
  • the message 4 may be, for example, the PDU session modification response message in FIG. 7.
  • the message 4 includes the modified QoS rule corresponding to the modified PCC rule, and the message 4 is used to notify the terminal device to update the QoS rule corresponding to the QoS rule identifier according to the modified QoS rule.
  • the message 4 may also include QoS flow description information 4.
  • the QoS flow description information 4 includes QoS parameters 4 and PCC rule binding The identifier of the QoS flow (ie QFI) and indication information 5, which indicates the modification operation. Among them, the QoS flow description information 4 is used to notify the terminal device to modify the QoS flow bound to the PCC rule according to the QoS parameter 4.
  • the terminal device can update the QoS rule corresponding to the QoS rule identifier according to the modified QoS rule; and, optionally, if the terminal device can obtain the QoS flow description information 4, the terminal The device can modify the QoS flow bound to the PCC rule according to the QoS parameter 4 in the QoS flow description information 4, which is not specifically limited here.
  • the embodiment shown in FIG. 7 provides an interaction process between the SMF network element and the PCF network element in the special QoS control process.
  • the SMF network element can obtain the identifier of the PCC rule corresponding to the identifier of the QoS rule, and the operation instruction corresponding to the operation instruction—modify existing QoS rule and add/replace/delete packet filters—modify existing PCC rule and add/replace/ delete packet filters, and carry the PCC rule identifier and operation instructions in the message 2 sent to the PCF network element—modify existing PCC rule and add/replace/delete packet filters, so that the PCF network element can modify the corresponding PCC according to message 2.
  • rule Therefore, based on the policy control method provided by the embodiment of the present application, it is possible to support the SMF network element to perform policy authorization to the PCF network element in the special QoS control process.
  • the actions of the PCF network element or SMF network element in the above steps S701 to S706 can be executed by the processor 401 in the communication device 400 shown in FIG. 4 calling the application program code stored in the memory 403. This embodiment There are no restrictions.
  • the communication system shown in FIG. 2 is applied to the 5G network architecture in the non-roaming scenario shown in FIG. 3a or FIG. (modify existing QoS rule and without packet filters), as an example, as shown in FIG. 8, a policy control method provided by an embodiment of this application, the policy control method includes the following steps:
  • the terminal device sends message 1 to the SMF network element.
  • the SMF network element receives message 1 from the terminal device.
  • the message 1 may be, for example, the PDU session modification request message in FIG. 8.
  • the message 1 includes the information used to indicate the requested QoS rule and the requested QoS parameter (here denoted as QoS parameter 1), which is used to notify the SMF network element to modify the QoS rule and not modify the packet filter.
  • QoS parameter 1 the related description of the QoS parameter 1 can refer to the embodiment shown in FIG. 5, which will not be repeated here;
  • the information used to indicate the requested QoS rule may include, for example, an operation instruction 11 (also called an operation code 11). )—Modify existing QoS rule and without packet filters and the identifier of the corresponding QoS rule.
  • the SMF network element sends message 2 to the PCF network element.
  • the PCF network element receives the message 2 from the SMF network element.
  • the message 2 may be, for example, the SM policy control update request message in FIG. 8.
  • the message 2 includes the identifier of the PCC rule corresponding to the identifier of the QoS rule, the QoS parameter 2 corresponding to the QoS parameter 1, and the operation instruction 12 corresponding to the operation instruction 11 (also called operation code 12)— modify existing PCC rule and without packet filters, used to notify the PCF network element to modify the PCC rule and not modify the packet filter.
  • the QoS parameter 2 reference may be made to the embodiment shown in FIG. 5, which will not be repeated here.
  • the PCF network element makes a policy decision.
  • the PCF network element can modify the PCC rule according to the message 2.
  • the modified PCC rule includes the PCC rule identifier and the adjusted QoS parameter (it can also be described as an authorized QoS parameter, denoted as QoS parameter 3).
  • QoS parameter 3 the related description of QoS parameter 3 can refer to the embodiment shown in FIG. 5, which will not be repeated here.
  • the PCF network element sends message 3 to the SMF network element.
  • the SMF network element receives the message 3 from the PCF network element.
  • the message 3 may be, for example, the SM policy control update response message in FIG. 8.
  • the message 3 may include the modified PCC rule, and the message 3 is used to notify the SMF network element to update the PCC rule corresponding to the identifier of the PCC rule according to the modified PCC rule.
  • the SMF network element updates the PCC rule corresponding to the identifier of the PCC rule.
  • the SMF network element may also determine the QoS parameter 4 corresponding to the QoS parameter 3.
  • the QoS parameter 4 refer to the embodiment shown in FIG. 5, which will not be repeated here.
  • S806 The SMF network element sends message 4 to the terminal device.
  • the terminal device receives the message 4 from the SMF network element.
  • the message 4 may be, for example, the PDU session modification response message in FIG. 8.
  • the message 4 includes QoS flow description information 4, the QoS flow description information 4 includes QoS parameters 4, the identifier of the QoS flow bound to the PCC rule (ie QFI) and indication information 5, and the indication information 5 indicates the modification operation.
  • the QoS flow description information 4 is used to notify the terminal device to modify the QoS flow bound to the PCC rule according to the QoS parameter 4.
  • the terminal device after receiving the message 4 from the SMF network element, the terminal device can modify the QoS flow bound to the PCC rule according to the QoS parameter 4 in the QoS flow description information 4, which is not specifically limited here.
  • the embodiment shown in FIG. 8 provides an interaction process between the SMF network element and the PCF network element in the special QoS control process.
  • the SMF network element can obtain the identifier of the PCC rule corresponding to the identifier of the QoS rule, and the operation instruction corresponding to the operation instruction—modify existing QoS rule and without packet filters—modify existing PCC rule and without packet filters, and send it to
  • the message 2 of the PCF network element carries the identifier of the PCC rule and the operation instruction—modify existing PCC rule and without packet filters, so that the PCF network element can modify the corresponding PCC rule according to the message 2. Therefore, based on the policy control method provided by the embodiment of the present application, it is possible to support the SMF network element to perform policy authorization to the PCF network element in the special QoS control process.
  • the actions of the PCF network element or SMF network element in the above steps S801 to S806 can be executed by the processor 401 in the communication device 400 shown in FIG. 4 calling the application program code stored in the memory 403. This embodiment There are no restrictions.
  • FIG. 5 to FIG. 8 are all exemplified by applying the communication system shown in FIG. 2 to the 5G network architecture in the non-roaming scenario shown in FIG. 3a or FIG. 3b. If the communication system shown in Figure 2 is applied to a 5G network architecture in a roaming scenario as an example, the corresponding policy control method is similar to the method in the above embodiment, and only the relevant network elements need to be adaptively replaced. , I won’t repeat it here.
  • the methods and/or steps implemented by the session management network element may also be implemented by components that can be used for the session management network element.
  • an embodiment of the present application also provides a communication device.
  • the communication device may be the session management network element in the foregoing method embodiment, or a device including the foregoing session management network element, or a component that can be used for the session management network element.
  • the communication device includes hardware structures and/or software modules corresponding to each function.
  • the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or computer software-driven hardware depends on the specific application and design constraint conditions of the technical solution. Professionals and technicians can use different methods for each specific application to implement the described functions, but such implementation should not be considered beyond the scope of this application.
  • the embodiments of the present application may divide the communication device into functional modules according to the foregoing method embodiments.
  • each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module.
  • the above-mentioned integrated modules can be implemented in the form of hardware or software functional modules. It should be noted that the division of modules in the embodiments of the present application is illustrative, and is only a logical function division, and there may be other division methods in actual implementation.
  • FIG. 9 shows a schematic structural diagram of a communication device 90.
  • the communication device 90 includes a receiving module 901 and a sending module 902.
  • the receiving module 901 may also be referred to as a receiving unit to implement a receiving function, for example, it may be a receiving circuit, a receiver, a receiver or a communication interface.
  • the sending module 902 may also be referred to as a sending unit to implement a sending function, for example, it may be a sending circuit, a transmitter, a transmitter, or a communication interface.
  • the communication device 90 may further include a processing module 903.
  • the receiving module 901 is configured to receive a first message from the terminal device, the first message includes the identifier of the QoS rule and the first operation instruction; the sending module 902 is configured to send a second message to the policy control network element, the second message includes the The identifier of the PCC rule corresponding to the identifier of the QoS rule and the second operation instruction corresponding to the first operation instruction are used to request the policy control network element to perform the second operation instruction indicated by the PCC rule corresponding to the identifier of the PCC rule. operating.
  • the first operation instruction includes the deletion of the QoS rule
  • the second operation instruction includes the deletion of the PCC rule
  • the second operation indicated by the second operation instruction includes the deletion of the PCC rule
  • the receiving module 901 is further configured to receive a third message from the policy control network element.
  • the third message includes the identifier of the PCC rule and the first indication information.
  • the first indication information indicates the deletion operation.
  • the third message is To notify the session management network element to delete the PCC rule;
  • the sending module 902 is also used to send a fourth message to the terminal device, the fourth message includes the QoS rule corresponding to the PCC rule, and the QoS rule includes the QoS rule identifier and the first operation instruction , Where the fourth message is used to notify the terminal device to delete the QoS rule.
  • the processing module 903 is configured to determine to delete the QoS flow bound to the PCC rule; correspondingly, the fourth message also includes the first QoS flow description information, and the first QoS flow description information includes the QoS flow identifier and the second indication The second indication information indicates to delete the QoS flow, where the fourth message is also used to notify the terminal device to delete the QoS flow.
  • the processing module 903 is configured to determine the QoS flow bound to the modified PCC rule; correspondingly, the fourth message also includes the second QoS flow description information; the second QoS flow description information includes the QoS flow identifier, the first
  • the third indication information is the adjusted QoS parameter corresponding to the QoS flow, and the third indication information indicates the modification operation, where the fourth message is also used to notify the terminal device to modify the QoS flow according to the adjusted QoS parameter.
  • the first operation instruction includes modifying the QoS rule and adding a packet filter
  • the second operation instruction includes modifying the PCC rule and adding a packet filter
  • the second operation indicated by the second operation instruction includes the The rule adds the modification operation of the packet filter; correspondingly, the first message further includes the first packet filter, and the second message further includes the first packet filter.
  • the first operation instruction includes modifying the QoS rule and replacing the packet filter
  • the second operation instruction includes modifying the PCC rule and replacing the packet filter
  • the second operation indicated by the second operation instruction includes replacing the PCC
  • the modification operation of the packet filter in the rule correspondingly, the first message further includes the first packet filter, and the second message further includes the first packet filter.
  • the receiving module 901 is further configured to receive a fifth message from the policy control network element, the fifth message includes the modified PCC rule, and the modified PCC rule includes the PCC rule identifier and the first packet filter, The fifth message is used to notify the session management network element to update the PCC rule corresponding to the identifier of the PCC rule according to the modified PCC rule; the sending module 902 is also used to send a sixth message to the terminal device, the sixth message includes The modified QoS rule corresponding to the PCC rule in, the modified QoS rule includes the identifier of the QoS rule, the first operation instruction, and the first packet filter set.
  • the first packet filter set includes the first packet filter, where The sixth message is used to notify the terminal device to update the QoS rule corresponding to the QoS rule identifier according to the modified QoS rule.
  • the first operation instruction includes modifying QoS rules and deleting packet filters
  • the second operation instruction includes modifying PCC rules and deleting packet filters
  • the second operation indicated by the second operation instruction includes deleting PCC.
  • the modification operation of the packet filter in the rule correspondingly, the first message also includes the first identifier of the second packet filter to be deleted, and the second message also includes the second identifier of the second packet filter, where the first The identifier is used to identify the second packet filter in the QoS rule, and the second identifier is used to identify the second packet filter in the PCC rule.
  • the receiving module 901 is further configured to receive a seventh message from the policy control network element, where the seventh message includes the modified PCC rule, the modified PCC rule includes the PCC rule identifier, and the modified PCC rule
  • the second packet filter is not included in the packet filter.
  • the seventh message is used to notify the session management network element to update the PCC rule corresponding to the identifier of the PCC rule according to the modified PCC rule; the sending module 902 is also used to send the eighth message to the terminal device.
  • the eighth message includes the modified QoS rule corresponding to the modified PCC rule, the modified QoS rule includes the QoS rule identifier, the first operation instruction and the second packet filter set, and the second packet filter set The second packet filter is not included in, where the eighth message is used to notify the terminal device to update the QoS rule corresponding to the QoS rule identifier according to the modified QoS rule.
  • the first operation instruction includes modifying the QoS rule without modifying the packet filter
  • the second operation instruction includes modifying the PCC rule without modifying the packet filter
  • the second operation indicated by the second operation instruction includes The modification operation of the QoS parameter in the PCC rule; correspondingly, the first message also includes the requested first QoS parameter, the second message also includes the second QoS parameter corresponding to the first QoS parameter, and the second QoS parameter is used to determine The adjusted second QoS parameter.
  • the receiving module 901 is further configured to receive a ninth message from the policy control network element.
  • the ninth message includes the modified PCC rule, and the modified PCC rule includes the identifier of the PCC rule and the adjusted second QoS
  • the ninth message is used to notify the session management network element to update the PCC rule corresponding to the identifier of the PCC rule according to the modified PCC rule;
  • the sending module 902 is also used to send the tenth message to the terminal device, the tenth message including the first 5.
  • QoS flow description information includes the modified PCC rule, and the modified PCC rule includes the identifier of the PCC rule and the adjusted second QoS The ninth message is used to notify the session management network element to update the PCC rule corresponding to the identifier of the PCC rule according to the modified PCC rule; the sending module 902 is also used to send the tenth message to the terminal device, the tenth message including the first 5.
  • QoS flow description information is used to send the tenth message to the terminal device.
  • the fifth QoS flow description information includes the identifier of the QoS flow bound to the PCC rule, the sixth indication information, and the adjusted first QoS parameter corresponding to the adjusted second QoS parameter, and the sixth indication
  • the information indicates the modification operation, where the tenth message is used to notify the terminal device to modify the QoS flow according to the adjusted first QoS parameter.
  • the receiving module 901 is further configured to receive an eleventh message from the terminal device.
  • the eleventh message includes a third packet filter and a third operation instruction.
  • the third operation instruction includes creating a QoS rule.
  • a message is used to notify the session management network element to create a QoS rule;
  • the sending module 902 is also used to send a twelfth message to the policy control network element.
  • the twelfth message includes the third packet filter and the corresponding third operation instruction
  • the fourth operation instruction, the fourth operation instruction includes the creation of PCC rules, where the twelfth message is used to notify the policy control network element to create the PCC rule;
  • the receiving module 901 is also used to receive the thirteenth message from the policy control network element,
  • the thirteenth message includes the created PCC rule.
  • the PCC rule includes the identification of the PCC rule and the third packet filter.
  • the thirteenth message is used to notify the session management network element to install the created PCC rule; the sending module 902 also uses To send a fourteenth message to the terminal device, the fourteenth message includes the created QoS rule corresponding to the PCC rule, the QoS rule includes the QoS rule identifier, the third operation instruction and the third packet filter set, and the third packet filter
  • the filter set includes the third packet filter, where the fourteenth message is used to notify the terminal device to install the created QoS rule.
  • the communication device 90 is presented in the form of dividing various functional modules in an integrated manner.
  • the "module” here can refer to a specific ASIC, circuit, processor and memory that executes one or more software or firmware programs, integrated logic circuit, and/or other devices that can provide the above-mentioned functions.
  • the communication device 90 may take the form of the communication device 400 shown in FIG. 4.
  • the processor 401 in the communication device 400 shown in FIG. 4 may invoke the computer execution instructions stored in the memory 403 to enable the communication device 400 to execute the policy control method in the foregoing method embodiment.
  • the functions/implementation processes of the receiving module 901, the sending module 902, and the processing module 903 in FIG. 9 can be implemented by the processor 401 in the communication device 400 shown in FIG. 4 calling the computer execution instructions stored in the memory 403.
  • the function/implementation process of the processing module 903 in FIG. 9 can be implemented by the processor 401 in the communication device 400 shown in FIG. 4 calling the computer execution instructions stored in the memory 403, and the receiving module 901 and the sending
  • the function/implementation process of the module 902 can be implemented through the communication interface 404 in the communication device 400 shown in FIG. 4.
  • the communication device 90 provided in this embodiment can execute the above-mentioned policy control method, the technical effects that can be obtained can refer to the above-mentioned method embodiment, which will not be repeated here.
  • one or more of the above modules or units can be implemented by software, hardware or a combination of both.
  • the software exists in the form of computer program instructions and is stored in the memory, and the processor can be used to execute the program instructions and implement the above method flow.
  • the processor can be built in SoC (system on chip) or ASIC, or it can be an independent semiconductor chip.
  • SoC system on chip
  • ASIC application specific integrated circuit
  • the processor's internal processing is used to execute software instructions for calculations or processing, and may further include necessary hardware accelerators, such as field programmable gate array (FPGA), PLD (programmable logic device) , Or a logic circuit that implements dedicated logic operations.
  • FPGA field programmable gate array
  • PLD programmable logic device
  • the hardware can be a CPU, a microprocessor, a digital signal processing (digital signal processing, DSP) chip, a microcontroller unit (MCU), an artificial intelligence processor, an ASIC, Any one or any combination of SoC, FPGA, PLD, dedicated digital circuit, hardware accelerator, or non-integrated discrete device can run necessary software or do not rely on software to perform the above method flow.
  • DSP digital signal processing
  • MCU microcontroller unit
  • an artificial intelligence processor an ASIC
  • Any one or any combination of SoC, FPGA, PLD, dedicated digital circuit, hardware accelerator, or non-integrated discrete device can run necessary software or do not rely on software to perform the above method flow.
  • an embodiment of the present application further provides a communication device (for example, the communication device may be a chip or a chip system), and the communication device includes a processor for implementing the method in any of the foregoing method embodiments.
  • the communication device further includes a memory.
  • the memory is used to store necessary program instructions and data, and the processor can call the program code stored in the memory to instruct the communication device to execute the method in any of the foregoing method embodiments.
  • the memory may not be in the communication device.
  • the communication device is a chip system, it may be composed of a chip, or may include a chip and other discrete devices, which is not specifically limited in the embodiment of the present application.
  • the computer may be implemented in whole or in part by software, hardware, firmware or any combination thereof.
  • a software program it may be implemented in the form of a computer program product in whole or in part.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer instructions may be transmitted from a website, computer, server, or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer, or may include one or more data storage devices such as servers and data centers that can be integrated with the medium.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (SSD)).

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Abstract

本申请实施例提供策略控制方法、装置及系统,可以在特殊QoS控制的流程中,支持会话管理网元向策略控制网元进行策略授权。方案包括:会话管理网元接收来自终端设备的第一消息,第一消息包括服务质量QoS规则的标识和第一操作指示;会话管理网元向策略控制网元发送第二消息,第二消息包括与该QoS规则的标识对应的策略计费控制PCC规则的标识、以及与该第一操作指示对应的第二操作指示;策略控制网元接收第二消息,并对该PCC规则的标识对应的PCC规则执行该第二操作指示所指示的第二操作。

Description

策略控制方法、装置及系统
本申请要求于2019年02月13日提交国家知识产权局、申请号为201910116825.2、申请名称为“策略控制方法、装置及系统”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域,尤其涉及策略控制方法、装置及系统。
背景技术
现有技术目前描述了在终端设备请求对选择的业务数据流(services data flow,SDF)进行特殊服务质量(quality of services,QoS)控制的流程中,会话管理功能(session management function,SMF)网元和策略控制功能(policy control function,PCF)网元的交互流程,但是该交互流程比较宽泛,没有描述具体执行的细节,导致不可实施。
此外,现有技术中规定了在终端设备请求对选择SDF进行特殊QoS控制的流程中,终端设备和SMF网元交互的实施细节。比如,图1a为终端设备发送给SMF网元用于描述SDF的数据结构,包括QoS规则信元(information element,IE)、QoS规则IE的长度、以及分别用于描述请求的一个或多个QoS Rule的信息。其中,用于描述请求的每个QoS规则的信息的数据结构如图1b所示,包括QoS规则标识(QoS rule identifier)、QoS规则的长度(length of QoS rule)、规则操作码(rule operation code)、默认的QoS规则(desault QoS Rule,DQR)比特、包过滤器的数目(number of packet filters)、包过滤器列表(packet filter list)、QoS规则优先级(QoS rule precedence)、空闲位以及QoS流标识(QoS flow identifier,QFI)。
然而,基于上述终端设备请求对选择SDF进行特殊QoS控制的流程以及上述终端设备请求对选择SDF进行特殊QoS控制的流程中,终端设备和SMF网元交互的实施细节,SMF网元和PCF网元之间的交互流程如何支持,目前还没有相关的解决方案。
发明内容
本申请实施例提供策略控制方法、装置及系统,可以在特殊QoS控制的流程中,支持会话管理网元向策略控制网元进行策略授权。
为达到上述目的,本申请的实施例采用如下技术方案:
第一方面,提供了一种策略控制方法,该方法包括:会话管理网元接收来自终端设备的第一消息,第一消息包括服务质量QoS规则的标识和第一操作指示;会话管理网元向策略控制网元发送第二消息,第二消息包括与该QoS规则的标识对应的策略计费控制PCC规则的标识、以及与该第一操作指示对应的第二操作指示,用于请求该策略控制网元对该PCC规则的标识对应的PCC规则执行该第二操作指示所指示的第二操作。该方案提供了在特殊QoS控制的流程中,会话管理网元和策略控制网元之间的交互流程。其中,会话管理网元可以获取与QoS规则的标识对应的PCC规则的标识以及与第一操作指示对应的第二操作指示,并在发送给策略控制网元的第二消息中携带该PCC规则的标识以及第二操作指示,使得策略控制网元可以对该PCC规则的标 识对应的PCC规则执行第二操作指示所指示的第二操作。因此基于该方案,可以在特殊QoS控制的流程中,支持会话管理网元向策略控制网元进行策略授权。
在一种可能的设计中,第一操作指示包括删除QoS规则,第二操作指示包括删除PCC规则,第二操作指示所指示的第二操作包括对PCC规则的删除操作。基于该方案,可以实现QoS规则和PCC规则的删除操作。
可选的,该方法还包括:会话管理网元接收来自该策略控制网元的第三消息,第三消息包括该PCC规则的标识和第一指示信息,第一指示信息指示删除操作,其中,第三消息用于通知该会话管理网元删除该PCC规则;会话管理网元向该终端设备发送第四消息,该第四消息包括与该PCC规则对应的该QoS规则,该QoS规则中包括该QoS规则的标识和该第一操作指示,其中,该第四消息用于通知该终端设备删除该QoS规则。基于该方案,会话管理网元可以删除相应的PCC规则,终端设备可以删除相应的QoS规则。
可选的,该方法还包括:会话管理网元确定删除该PCC规则绑定的QoS流;相应的,第四消息还包括第一QoS流描述信息,该第一QoS流描述信息包括该QoS流的标识和第二指示信息,该第二指示信息指示删除该QoS流,其中,该第四消息还用于通知该终端设备删除该QoS流。基于该方案,终端设备可以删除PCC规则绑定的QoS流。
或者,可选的,该方法还包括:会话管理网元确定修改该PCC规则绑定的QoS流;相应的,第四消息还包括第二QoS流描述信息;该第二QoS流描述信息包括该QoS流的标识、第三指示信息和该QoS流对应的调整后的QoS参数,该第三指示信息指示修改操作,其中,该第四消息还用于通知该终端设备根据该调整后的QoS参数修改该QoS流。基于该方案,终端设备可以修改PCC规则绑定的QoS流。
在一种可能的设计中,该第一操作指示包括修改QoS规则且增加包过滤器,该第二操作指示包括修改PCC规则且增加包过滤器,该第二操作指示所指示的第二操作包括对PCC规则添加包过滤器的修改操作;相应的,第一消息还包括第一包过滤器,第二消息还包括该第一包过滤器。基于该方案,可以实现修改QoS规则且增加包过滤器,以及修改PCC规则且增加包过滤器的修改操作。
在一种可能的设计中,该第一操作指示包括修改QoS规则且替换包过滤器,该第二操作指示包括修改PCC规则且替换包过滤器,该第二操作指示所指示的第二操作包括替换PCC规则中的包过滤器的修改操作;相应的,第一消息还包括第一包过滤器,第二消息还包括该第一包过滤器。基于该方案,可以实现修改QoS规则且替换包过滤器,以及修改PCC规则且替换包过滤器的修改操作。
可选的,该方法还包括:会话管理网元接收来自策略控制网元的第五消息,第五消息包括修改后的PCC规则,该修改后的PCC规则中包括该PCC规则的标识和该第一包过滤器,其中,该第五消息用于通知该会话管理网元根据该修改后的PCC规则更新该PCC规则的标识对应的PCC规则;会话管理网元向终端设备发送第六消息,第六消息包括与该修改后的PCC规则对应的修改后的QoS规则,该修改后的QoS规则中包括该QoS规则的标识、该第一操作指示和第一包过滤器集合,该第一包过滤器集合中包括该第一包过滤器,其中,该第六消息用于通知该终端设备根据该修改后的QoS 规则更新该QoS规则的标识对应的QoS规则。基于该方案,会话管理网元可以更新相应的PCC规则,终端设备可以更新相应的QoS规则。
可选的,该第一消息还包括请求的第一QoS参数,该第二消息还包括与该第一QoS参数对应的第二QoS参数,该第二QoS参数用于确定调整后的第二QoS参数;相应的,该修改后的PCC规则中还包括该调整后的第二QoS参数;相应的,该第六消息还包括第三QoS流描述信息,该第三QoS流描述信息包括该PCC规则绑定的QoS流的标识、第四指示信息、以及与该调整后的第二QoS参数对应的调整后的第一QoS参数,该第四指示信息指示修改操作,其中,该第六消息还用于通知该终端设备根据该调整后的第一QoS参数修改该QoS流。基于该方案,终端设备可以修改PCC规则绑定的QoS流。
在一种可能的设计中,该第一操作指示包括修改QoS规则且删除包过滤器,该第二操作指示包括修改PCC规则且删除包过滤器,该第二操作指示所指示的第二操作包括删除PCC规则中的包过滤器的修改操作;相应的,该第一消息还包括待删除的第二包过滤器的第一标识,该第二消息还包括该第二包过滤器的第二标识,其中,该第一标识用于标识该QoS规则中的该第二包过滤器,该第二标识用于标识该PCC规则中的该第二包过滤器。基于该方案,可以实现修改QoS规则且删除包过滤器,以及修改PCC规则且删除包过滤器的修改操作。
可选的,该方法还包括:会话管理网元接收来自策略控制网元的第七消息,第七消息包括修改后的PCC规则,该修改后的PCC规则中包括该PCC规则的标识,且该修改后的PCC规则中不包括该第二包过滤器,其中,该第七消息用于通知该会话管理网元根据该修改后的PCC规则更新该PCC规则的标识对应的PCC规则;会话管理网元向终端设备发送第八消息,第八消息包括与该修改后的PCC规则对应的修改后的QoS规则,该修改后的QoS规则中包括该QoS规则的标识、该第一操作指示和第二包过滤器集合,该第二包过滤器集合中不包括该第二包过滤器,其中,该第八消息用于通知该终端设备根据该修改后的QoS规则更新该QoS规则的标识对应的QoS规则。基于该方案,会话管理网元可以更新相应的PCC规则,终端设备可以更新相应的QoS规则。
可选的,该第一消息还包括请求的第一QoS参数,该第二消息还包括与该第一QoS参数对应的第二QoS参数,该第二QoS参数用于确定该调整后的第二QoS参数;相应的,该修改后的PCC规则中还包括该调整后的第二QoS参数;相应的,该第八消息还包括第四QoS流描述信息,该第四QoS流描述信息包括该PCC规则绑定的QoS流的标识、第五指示信息、以及与该调整后的第二QoS参数对应的调整后的第一QoS参数,该第五指示信息指示修改操作,其中,该第八消息还用于通知该终端设备根据该调整后的第一QoS参数修改该QoS流。基于该方案,终端设备可以修改PCC规则绑定的QoS流。
在一种可能的设计中,该第一操作指示包括修改QoS规则且不修改包过滤器,该第二操作指示包括修改PCC规则且不修改包过滤器,该第二操作指示所指示的第二操作包括对PCC规则中的QoS参数的修改操作;相应的,该第一消息还包括请求的第一QoS参数,该第二消息还包括与该第一QoS参数对应的第二QoS参数,该第二QoS 参数用于确定调整后的第二QoS参数。基于该方案,可以实现修改QoS规则且不修改包过滤器,以及修改PCC规则且不修改包过滤器的修改操作。
可选的,该方法还包括:会话管理网元接收来自该策略控制网元的第九消息,该第九消息包括修改后的PCC规则,该修改后的PCC规则中包括该PCC规则的标识和该调整后的第二QoS参数,其中,该第九消息用于通知该会话管理网元根据该修改后的PCC规则更新该PCC规则的标识对应的PCC规则;会话管理网元向终端设备发送第十消息,该第十消息包括第五QoS流描述信息,该第五QoS流描述信息包括该PCC规则绑定的QoS流的标识、第六指示信息、以及与该调整后的第二QoS参数对应的调整后的第一QoS参数,该第六指示信息指示修改操作,其中,该第十消息用于通知该终端设备根据该调整后的第一QoS参数修改该QoS流。基于该方案,终端设备可以修改PCC规则绑定的QoS流。
在一种可能的设计中,在该会话管理网元接收来自终端设备的第一消息之前,该方法还包括:会话管理网元接收来自终端设备的第十一消息,第十一消息包括第三包过滤器和第三操作指示,该第三操作指示包括创建QoS规则,其中,该第十一消息用于通知该会话管理网元创建QoS规则;会话管理网元向该策略控制网元发送第十二消息,该第十二消息包括该第三包过滤器、以及与该第三操作指示对应的第四操作指示,该第四操作指示包括创建PCC规则,其中,该第十二消息用于通知该策略控制网元创建PCC规则;会话管理网元接收来自策略控制网元的第十三消息,该第十三消息包括创建的该PCC规则,该PCC规则中包括该PCC规则的标识和该第三包过滤器,其中,该第十三消息用于通知该会话管理网元安装该创建的该PCC规则;会话管理网元向终端设备发送第十四消息,该第十四消息包括创建的与该PCC规则对应的QoS规则,该QoS规则中包括该QoS规则的标识、该第三操作指示和第三包过滤器集合,该第三包过滤器集合中包括该第三包过滤器,其中,该第十四消息用于通知该终端设备安装该创建的该QoS规则。基于该方案,可以实现QoS规则和PCC规则的创建操作。
可选的,该第十一消息还包括请求的第三QoS参数,该第十二消息还包括与该第三QoS参数对应的第四QoS参数,该第四QoS参数用于确定调整后的第四QoS参数;相应的,该创建的该PCC规则中还包括该调整后的第四QoS参数;相应的,该第十四消息还包括第六QoS流描述信息,该第六QoS流描述信息包括该PCC规则绑定的QoS流的标识、第七指示信息、以及与该调整后的第四QoS参数对应的调整后的第三QoS参数,该第七指示信息指示创建或修改操作,其中,该第十四消息还用于通知该终端设备根据该调整后的第三QoS参数修改该QoS流。基于该方案,终端设备可以修改PCC规则绑定的QoS流。
第二方面,提供了一种通信装置用于实现上述各种方法。该通信装置可以为上述第一方面中的会话管理网元,或者包含上述会话管理网元的装置。所述通信装置包括实现上述方法相应的模块、单元、或手段(means),该模块、单元、或means可以通过硬件实现,软件实现,或者通过硬件执行相应的软件实现。该硬件或软件包括一个或多个与上述功能相对应的模块或单元。
第三方面,提供了一种通信装置,包括:处理器和存储器;该存储器用于存储计算机指令,当该处理器执行该指令时,以使该通信装置执行上述第一方面所述的方法。 该通信装置可以为上述第一方面中的会话管理网元,或者包含上述会话管理网元的装置。
第四方面,提供了一种通信装置,包括:处理器;所述处理器用于与存储器耦合,并读取存储器中的指令之后,根据所述指令执行如上述第一方面所述的方法。该通信装置可以为上述第一方面中的会话管理网元,或者包含上述会话管理网元的装置。
第五方面,提供了一种计算机可读存储介质,该计算机可读存储介质中存储有指令,当其在计算机上运行时,使得计算机可以执行上述第一方面所述的方法。
第六方面,提供了一种包含指令的计算机程序产品,当其在计算机上运行时,使得计算机可以执行上述第一方面所述的方法。
第七方面,提供了一种通信装置(例如,该通信装置可以是芯片或芯片系统),该通信装置包括处理器,用于实现上述第一方面中所涉及的功能。在一种可能的设计中,该通信装置还包括存储器,该存储器,用于保存必要的程序指令和数据。该通信装置是芯片系统时,可以由芯片构成,也可以包含芯片和其他分立器件。
其中,第二方面至第七方面中任一种设计方式所带来的技术效果可参见上述第一方面中不同设计方式所带来的技术效果,此处不再赘述。
第八方面,提供一种通信系统,该通信系统包括会话管理网元和策略控制网元;会话管理网元,用于接收来自终端设备的第一消息,第一消息包括服务质量QoS规则的标识和第一操作指示;会话管理网元,还用于向策略控制网元发送第二消息,第二消息包括与该QoS规则的标识对应的策略计费控制PCC规则的标识、以及与该第一操作指示对应的第二操作指示;策略控制网元,用于接收来自会话管理网元的第二消息,并对该PCC规则的标识对应的PCC规则执行该第二操作指示所指示的第二操作。
在一种可能的设计中,该会话管理网元还用于执行上述第一方面任一种可能的设计中所述的方法。
其中,第八方面中任一种设计方式所带来的技术效果可参见上述第一方面中不同设计方式所带来的技术效果,此处不再赘述。
附图说明
图1a为现有的终端设备发送给SMF网元用于描述SDF的数据结构;
图1b为现有的用于指示请求的每个QoS rule的信息的数据结构;
图2为本申请实施例提供的通信系统的架构示意图;
图3a为本申请实施例提供的非漫游场景下的5G网络架构一;
图3b为本申请实施例提供的非漫游场景下的5G网络架构二;
图4为本申请实施例提供的通信设备的结构示意图;
图5为本申请实施例提供的策略控制方法流程示意图一;
图6为本申请实施例提供的策略控制方法流程示意图二;
图7为本申请实施例提供的策略控制方法流程示意图三;
图8为本申请实施例提供的策略控制方法流程示意图四;
图9为本申请实施例提供的一种通信装置的结构示意图。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行描述。其 中,在本申请的描述中,除非另有说明,“/”表示前后关联的对象是一种“或”的关系,例如,A/B可以表示A或B;本申请中的“和/或”仅仅是一种描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况,其中A,B可以是单数或者复数。并且,在本申请的描述中,除非另有说明,“多个”是指两个或多于两个。“以下至少一项(个)”或其类似表达,是指的这些项中的任意组合,包括单项(个)或复数项(个)的任意组合。例如,a,b,或c中的至少一项(个),可以表示:a,b,c,a-b,a-c,b-c,或a-b-c,其中a,b,c可以是单个,也可以是多个。另外,为了便于清楚描述本申请实施例的技术方案,在本申请的实施例中,采用了“第一”、“第二”等字样对功能和作用基本相同的相同项或相似项进行区分。本领域技术人员可以理解“第一”、“第二”等字样并不对数量和执行次序进行限定,并且“第一”、“第二”等字样也并不限定一定不同。同时,在本申请实施例中,“示例性的”或者“例如”等词用于表示作例子、例证或说明。本申请实施例中被描述为“示例性的”或者“例如”的任何实施例或设计方案不应被解释为比其它实施例或设计方案更优选或更具优势。确切而言,使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念,便于理解。
此外,本申请实施例描述的网络架构以及业务场景是为了更加清楚的说明本申请实施例的技术方案,并不构成对于本申请实施例提供的技术方案的限定,本领域普通技术人员可知,随着网络架构的演变和新业务场景的出现,本申请实施例提供的技术方案对于类似的技术问题,同样适用。
如图2所示,为本申请实施例提供的一种通信系统20。该通信系统20包括会话管理网元201和策略控制网元202。其中,会话管理网元201接收来自终端设备的第一消息,该第一消息包括QoS规则的标识和第一操作指示,用于请求会话管理网元201对该QoS规则的标识对应的QoS规则执行第一操作指示所指示的第一操作。会话管理网元201向策略控制网元202发送第二消息,该第二消息包括与该QoS规则的标识对应的策略计费控制(policy and charging control,PCC)规则的标识、以及与第一操作指示对应的第二操作指示,用于请求策略控制网元202对该PCC规则的标识对应的PCC规则执行第二操作指示所指示的第二操作。进而策略控制网元202对该PCC规则的标识对应的PCC规则执行第二操作指示所指示的第二操作。其中,该方案的具体实现将在后续方法实施例中详细描述,在此不再赘述。该方案提供了在特殊QoS控制的流程中,会话管理网元和策略控制网元之间的交互流程。其中,会话管理网元可以获取与QoS规则的标识对应的PCC规则的标识以及与第一操作指示对应的第二操作指示,并在发送给策略控制网元的第二消息中携带该PCC规则的标识以及第二操作指示,使得策略控制网元可以对该PCC规则的标识对应的PCC规则执行第二操作指示所指示的第二操作。因此基于该方案,可以在特殊QoS控制的流程中,支持会话管理网元向策略控制网元进行策略授权。
可选的,本申请实施例中,会话管理网元201和策略控制网元202之间可以直接通信,也可以通过其他设备的转发进行通信,本申请实施例对此不作具体限定。
可选的,图2所示的通信系统20可以应用于目前正在讨论的第五代(5rd generation,5G)或者未来的其他网络等,本申请实施例对此不作具体限定。
示例性的,假设图2所示的通信系统20应用于非漫游场景下的5G网络架构,则如图3a所示,上述的会话管理网元201所对应的网元或者实体可以为该非漫游5G网络架构中的SMF网元,上述的策略控制网元202所对应的网元或者实体可以为该非漫游5G网络架构中的PCF网元。
此外,如图3a所示,该非漫游5G网络架构中还可以包括无线接入网(radio access network,RAN)设备、接入和移动性管理功能(access and mobility management function,AMF)网元、用户面功能(user plane function,UPF)网元、统一数据管理(unified data management,UDM)网元、或者认证服务器功能(authentication server function,AUSF)网元等,本申请实施例对此不作具体限定。
其中,终端通过下一代网络(next generation,N)1接口(简称N1)与AMF网元通信,RAN设备通过N2接口(简称N2)与AMF网元通信,RAN设备通过N3接口(简称N3)与UPF网元通信,UPF网元通过N6接口(简称N6)与数据网络(data network,DN)通信,AMF网元通过N11接口(简称N11)与SMF网元通信,AMF网元通过N8接口(简称N8)与UDM网元通信,AMF网元通过N12接口(简称N12)与AUSF网元通信,AMF网元通过N15接口(简称N15)与PCF网元通信,SMF网元通过N7接口(简称N7)与PCF网元通信,SMF网元通过N4接口(简称N4)与UPF网元通信,SMF网元通过N10接口(简称N10)与UDM网元通信,UDM网元通过N13接口(简称N13)与AUSF网元通信。
此外,需要说明的是,图3a所示的非漫游5G网络架构中的AMF网元、SMF网元、UDM网元、AUSF网元、或者PCF网元等控制面网元也可以采用服务化接口进行交互。比如,如图3b所示,AMF网元对外提供的服务化接口可以为Namf;SMF网元对外提供的服务化接口可以为Nsmf;UDM网元对外提供的服务化接口可以为Nudm;PCF网元对外提供的服务化接口可以为Npcf,AUSF网元对外提供的服务化接口可以为Nausf。相关描述可以参考23501标准中的5G系统架构(5G system architecture),在此不予赘述。
当然,图3a和图3b仅是以通信系统20应用于非漫游场景下的5G网络架构为例进行说明,该通信系统20还可以应用于漫游场景下的5G网络架构,在此不再一一举例说明。
可选的,本申请实施例中的终端设备,可以是用于实现无线通信功能的设备,例如终端或者可用于终端中的芯片等。其中,终端可以是5G网络或者未来演进的PLMN中的用户设备(user equipment,UE)、接入终端、终端单元、终端站、移动站、移动台、远方站、远程终端、移动设备、无线通信设备、终端代理或终端装置等。接入终端可以是蜂窝电话、无绳电话、会话启动协议(session initiation protocol,SIP)电话、无线本地环路(wireless local loop,WLL)站、个人数字处理(personal digital assistant,PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备或可穿戴设备,虚拟现实(virtual reality,VR)终端设备、增强现实(augmented reality,AR)终端设备、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程医疗(remote medical)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、 智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端等。终端可以是移动的,也可以是固定的。
可选的,本申请实施例中的RAN设备指的是接入核心网的设备,例如可以是基站,宽带网络业务网关(broadband network gateway,BNG),汇聚交换机,非第三代合作伙伴计划(3rd generation partnership project,3GPP)接入设备等。基站可以包括各种形式的基站,例如:宏基站,微基站(也称为小站),中继站,接入点等。
可选的,本申请实施例中的会话管理网元或策略控制网元也可以称之为通信装置,其可以是一个通用设备或者是一个专用设备,本申请实施例对此不作具体限定。
可选的,本申请实施例中的会话管理网元或策略控制网元的相关功能可以由一个设备实现,也可以由多个设备共同实现,还可以是由一个设备内的一个或多个功能模块实现,本申请实施例对此不作具体限定。可以理解的是,上述功能既可以是硬件设备中的网络元件,也可以是在专用硬件上运行的软件功能,或者是硬件与软件的结合,或者是平台(例如,云平台)上实例化的虚拟化功能。
例如,本申请实施例中的会话管理网元或策略控制网元的相关功能可以通过图4中的通信设备400来实现。图4所示为本申请实施例提供的通信设备400的结构示意图。该通信设备400包括一个或多个处理器401,通信线路402,以及至少一个通信接口(图4中仅是示例性的以包括通信接口404,以及一个处理器401为例进行说明),可选的还可以包括存储器403。
处理器401可以是一个通用中央处理器(central processing unit,CPU),微处理器,特定应用集成电路(application-specific integrated circuit,ASIC),或一个或多个用于控制本申请方案程序执行的集成电路。
通信线路402可包括一通路,用于连接不同组件之间。
通信接口404,可以是收发模块用于与其他设备或通信网络通信,如以太网,RAN,无线局域网(wireless local area networks,WLAN)等。例如,所述收发模块可以是收发器、收发机一类的装置。可选的,所述通信接口404也可以是位于处理器401内的收发电路,用以实现处理器的信号输入和信号输出。
存储器403可以是具有存储功能的装置。例如可以是只读存储器(read-only memory,ROM)或可存储静态信息和指令的其他类型的静态存储设备,随机存取存储器(random access memory,RAM)或者可存储信息和指令的其他类型的动态存储设备,也可以是电可擦可编程只读存储器(electrically erasable programmable read-only memory,EEPROM)、只读光盘(compact disc read-only memory,CD-ROM)或其他光盘存储、光碟存储(包括压缩光碟、激光碟、光碟、数字通用光碟、蓝光光碟等)、磁盘存储介质或者其他磁存储设备、或者能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质,但不限于此。存储器可以是独立存在,通过通信线路402与处理器相连接。存储器也可以和处理器集成在一起。
其中,存储器403用于存储执行本申请方案的计算机执行指令,并由处理器401来控制执行。处理器401用于执行存储器403中存储的计算机执行指令,从而实现本申请实施例中提供的策略控制方法。
或者,可选的,本申请实施例中,也可以是处理器401执行本申请下述实施例提 供的策略控制方法中的处理相关的功能,通信接口404负责与其他设备或通信网络通信,本申请实施例对此不作具体限定。
可选的,本申请实施例中的计算机执行指令也可以称之为应用程序代码,本申请实施例对此不作具体限定。
在具体实现中,作为一种实施例,处理器401可以包括一个或多个CPU,例如图4中的CPU0和CPU1。
在具体实现中,作为一种实施例,通信设备400可以包括多个处理器,例如图4中的处理器401和处理器408。这些处理器中的每一个可以是一个单核(single-CPU)处理器,也可以是一个多核(multi-CPU)处理器。这里的处理器可以指一个或多个设备、电路、和/或用于处理数据(例如计算机程序指令)的处理核。
在具体实现中,作为一种实施例,通信设备400还可以包括输出设备405和输入设备406。输出设备405和处理器401通信,可以以多种方式来显示信息。例如,输出设备405可以是液晶显示器(liquid crystal display,LCD),发光二级管(light emitting diode,LED)显示设备,阴极射线管(cathode ray tube,CRT)显示设备,或投影仪(projector)等。输入设备406和处理器401通信,可以以多种方式接收用户的输入。例如,输入设备406可以是鼠标、键盘、触摸屏设备或传感设备等。
上述的通信设备400有时也可以称为通信装置,其可以是一个通用设备或者是一个专用设备。例如通信设备400可以是台式机、便携式电脑、网络服务器、掌上电脑(personal digital assistant,PDA)、移动手机、平板电脑、无线终端设备、嵌入式设备、上述终端设备,上述网络设备、或具有图4中类似结构的设备。本申请实施例不限定通信设备400的类型。
下面将结合图2至图4对本申请实施例提供的策略控制方法进行具体阐述。
需要说明的是,本申请下述实施例中各个网元之间的消息名字或消息中各参数的名字等只是一个示例,具体实现中也可以是其他的名字,本申请实施例对此不作具体限定。
首先,以图2所示的通信系统应用于如图3a或图3b所示的非漫游场景下的5G网络架构,终端设备向SMF网元请求的操作指示为创建QoS规则(create new QoS rule)为例,如图5所示,为本申请实施例提供的一种策略控制方法,该策略控制方法包括如下步骤:
S501、终端设备向SMF网元发送消息1。SMF网元接收来自终端设备的消息1。
示例性的,该消息1例如可以是图5中的分组数据单元(packet data unit,PDU)会话修改请求(session modification request)消息。
其中,该消息1包括用于指示请求的QoS规则的信息,用于通知SMF网元创建请求的QoS规则。该用于指示请求的QoS规则的信息例如可以包括用于描述SDF的包过滤器(这里记作包过滤器1)和操作指示1(也可以称之为操作码1)—create new QoS rule。
可选的,若终端设备为包过滤器1分配QoS规则包过滤器标识1,则消息中1还可以包括QoS规则包过滤器标识1。
可选的,该消息1还可以包括请求的QoS参数(这里记作QoS参数1)。该QoS 参数1为请求的QoS流对应的QoS参数。示例性的,该QoS参数1可以包括请求的5G QoS标识(5G QoS identifier,5QI)。可选的,若该请求的5QI为保证比特率(guaranteed bit rate,GBR)类型,该QoS参数1中还可以包括请求的GBR。
S502、SMF网元向PCF网元发送消息2。PCF网元接收来自SMF网元的消息2。
示例性的,该消息2例如可以是图5中的会话管理(session management,SM)策略控制更新(policy control update)请求消息。
其中,该消息2中包括上述包过滤器1、与操作指示1对应的操作指示2(也可以称之为操作码2)—create new PCC rule,用于通知PCF网元创建PCC规则。
可选的,若上述消息1包括QoS参数1,则消息2还可以包括与QoS参数1对应的QoS参数2,该QoS参数2为请求的PCC规则对应的QoS参数。示例性的,该QoS参数2例如可以包括QoS参数1中请求的5QI和SMF网元计算出的请求的GBR。若终端设备请求的QoS参数1对应的QoS流还不存在,则SMF网元计算出的请求的GBR等于QoS参数1中的GBR;否则,SMF网元根据授权的QoS流的GBR和QoS参数1中的请求的GBR的差值计算出QoS参数2中的GBR。
S503、PCF网元进行策略决策。
其中,PCF网元可以根据消息2创建PCC规则。该PCC规则中可以包括PCC规则的标识和SDF模板(template)。该SDF template中包括上述包过滤器1、以及PCF网元为包过滤器1分配的PCC规则包过滤器标识1。
可选的,若上述消息2中还包括QoS参数2,则PCF网元还可以确定调整后的QoS参数(也可以描述为授权的QoS参数,记作QoS参数3),该PCC规则中还可以包括QoS参数3。示例性的,该QoS参数3例如可以包括5QI和分配保持优先级(allocation and retention priority,ARP)。可选的,若QoS参数2中还包括请求的GBR,则QoS参数3中还包括该请求的GBR和最大比特率(maximum bit rate,MBR)。其中,该MBR可以是根据策略确定的,示例性的可以等于请求的GBR,本申请实施例对此不作具体限定。
S504、PCF网元向SMF网元发送消息3。SMF网元接收来自PCF网元的消息3。
示例性的,该消息3例如可以是图5中的SM策略控制更新应答消息。
其中,该消息3中可以包括创建的PCC规则,该消息3用于通知SMF网元安装创建的PCC规则。
S505、SMF网元安装创建的PCC规则,并创建与PCC规则对应的QoS规则。
此外,本申请实施例中,SMF网元还可以根据PCC规则执行QoS流绑定。示例性的,若SMF网元需要创建新的QoS流,则SMF网元为该新创建的QoS流分配QoS流标识(QoS flow identifier,QFI),并将新创建的PCC规则与新创建的QoS流绑定;或者,若SMF网元不需要创建新的QoS流,则SMF网元将新创建的PCC规则绑定到已经存在的QoS流。
其中,本申请实施例中的QoS规则中可以包括QoS规则的标识、操作指示1—create new QoS rule、包过滤器集合(set)1、以及PCC规则绑定的QoS流的标识(即QFI),该包过滤器集合1中包括上述包过滤器1、以及SMF网元或终端设备为包过滤器1分配的QoS规则包过滤器标识1。
可选的,本申请实施例中,若上述PCC规则中包括QoS参数3,则SMF网元还可以确定与QoS参数3对应的QoS参数4,该QoS参数4对应PCC规则绑定的QoS流。示例性的,该QoS参数4例如可以包括5QI和ARP。可选的,若PCC规则中还包括GBR,则QoS参数4中还可以包括SMF网元计算出的GBR;或者,若PCC规则中还包括MBR,则QoS参数4中还可以包括SMF网元计算出的MBR。其中,计算出的GBR为绑定到这个QoS流的所有PCC规则的GBR的总和,计算出的MBR为绑定到这个QoS流的所有PCC规则的MBR的总和。
可选的,本申请实施例中,SMF网元可以存储PCC规则的标识与QoS规则的对应关系,以及,PCC规则包过滤器标识1和QoS规则包过滤器标识1的对应关系,在此不作具体限定。
S506、SMF网元向终端设备发送消息4。终端设备接收来自SMF网元的消息4。
示例性的,该消息4例如可以是图5中的PDU会话修改响应(session modification response)消息。
其中,该消息4包括创建的QoS规则,用于通知终端设备安装该QoS规则。
可选的,若SMF网元可以确定与QoS参数3对应的QoS参数4,则该消息4中还可以包括QoS流描述信息1,该QoS流描述信息1包括QoS参数4、PCC规则绑定的QoS流的标识(即QFI)和指示信息1,该指示信息1指示创建或修改操作。其中,该QoS流描述信息1用于通知终端设备根据QoS参数4创建或修改PCC规则绑定的QoS流。
其中,终端设备接收来自SMF网元的消息4之后,可以根据消息4安装相应的QoS规则;以及,可选的,若终端设备可以获取QoS流描述信息1,则终端设备可以根据QoS流描述信息1中的QoS参数4创建或修改PCC规则绑定的QoS流,在此不作具体限定。
图5所示的实施例提供了在特殊QoS控制的流程中,SMF网元和PCF网元之间的交互流程。其中,SMF网元可以获取与QoS规则的标识对应的PCC规则的标识、以及与操作指示—create new QoS rule对应的操作指示—create new PCC rule,并在发送给PCF网元的消息2中携带该PCC规则的标识以及操作指示—create new PCC rule,使得PCF网元可以根据消息2创建与PCC规则的标识对应的PCC规则。因此基于本申请实施例提供的策略控制方法,可以在特殊QoS控制的流程中,支持SMF网元向PCF网元进行策略授权。
其中,上述步骤S501至S506中的PCF网元或者SMF网元的动作可以由图4所示的通信设备400中的处理器401调用存储器403中存储的应用程序代码来执行,本实施例对此不作任何限制。
或者,以图2所示的通信系统应用于如图3a或图3b所示的非漫游场景下的5G网络架构,终端设备向SMF网元请求的操作指示为删除QoS规则(delete existing QoS rule)为例,如图6所示,为本申请实施例提供的一种策略控制方法,该策略控制方法包括如下步骤:
S601、终端设备向SMF网元发送消息1。SMF网元接收来自终端设备的消息1。
示例性的,该消息1例如可以是图6中的PDU会话修改请求消息。
其中,该消息1包括用于指示请求的QoS规则的信息,用于通知SMF网元删除请求的QoS规则。该用于指示请求的QoS规则的信息例如可以包括操作指示3(也可以称之为操作码3)—delete existing QoS rule和所对应的QoS规则的标识。
S602、SMF网元向PCF网元发送消息2。PCF网元接收来自SMF网元的消息2。
示例性的,该消息2例如可以是图6中的SM策略控制更新请求消息。
其中,该消息2中包括与QoS规则的标识对应的PCC规则的标识、以及与操作指示3对应的操作指示4(也可以称之为操作码4)—delete existing PCC rule,用于通知PCF网元删除PCC规则的标识对应的PCC规则。
S603、PCF网元进行策略决策。
其中,PCF网元可以根据消息2确定删除PCC规则的标识对应的PCC规则,进而删除PCC规则的标识对应的PCC规则。
S604、PCF网元向SMF网元发送消息3。SMF网元接收来自PCF网元的消息3。
示例性的,该消息3例如可以是图6中的SM策略控制更新应答消息。
其中,该消息3中可以包括PCC规则的标识和指示信息2,该指示信息2指示删除操作,该消息3用于通知SMF网元删除PCC规则的标识对应的PCC规则。
S605、SMF网元删除PCC规则的标识对应的PCC规则,并删除与PCC规则对应的QoS规则。
S606、SMF网元向终端设备发送消息4。终端设备接收来自SMF网元的消息4。
示例性的,该消息4例如可以是图6中的PDU会话修改响应消息。
其中,该消息4包括与PCC规则对应的QoS规则,该QoS规则中包括QoS规则的标识和操作指示3—delete existing QoS rule,其中,该消息4用于通知终端设备删除QoS规则的标识对应的QoS规则。
其中,终端设备接收来自SMF网元的消息4之后,可以根据消息4删除相应的QoS规则。
此外,可选的,SMF网元还可以确定删除PCC规则绑定的QoS流。相应的,消息4中还可以包括QoS流描述信息2,该QoS流描述信息2包括PCC规则绑定的QoS流的标识和指示信息3,指示信息3指示删除相应的QoS流。进而,终端设备获取QoS流描述信息2之后,可以根据QoS流描述信息2删除相应的QoS流,在此不作具体限定。
或者,可选的,SMF网元还可以确定修改PCC规则绑定的QoS流。相应的,消息4中还可以包括QoS流描述信息3,该QoS流描述信息3包括PCC规则绑定的QoS流的标识、指示信息4和调整后的QoS参数,指示信息4指示修改相应的QoS流。进而,终端设备获取QoS流描述信息3之后,可以根据QoS流描述信息3中的调整后的QoS参数修改相应的QoS流,在此不作具体限定。
图6所示的实施例提供了在特殊QoS控制的流程中,SMF网元和PCF网元之间的交互流程。其中,SMF网元可以获取与QoS规则的标识对应的PCC规则的标识、以及与操作指示—delete existing QoS rule对应的操作指示—delete existing PCC rule,并在发送给PCF网元的消息2中携带该PCC规则的标识以及操作指示—delete existing PCC rule,使得PCF网元可以根据消息2删除与PCC规则的标识对应的PCC规则。 因此基于本申请实施例提供的策略控制方法,可以在特殊QoS控制的流程中,支持SMF网元向PCF网元进行策略授权。
其中,上述步骤S601至S606中的PCF网元或者SMF网元的动作可以由图4所示的通信设备400中的处理器401调用存储器403中存储的应用程序代码来执行,本实施例对此不作任何限制。
或者,以图2所示的通信系统应用于如图3a或图3b所示的非漫游场景下的5G网络架构,终端设备向SMF网元请求的操作指示为修改QoS规则且增加/替换/删除包过滤器(modify existing QoS rule and add/replace/delete packet filters)为例,如图7所示,为本申请实施例提供的一种策略控制方法,该策略控制方法包括如下步骤:
S701、终端设备向SMF网元发送消息1。SMF网元接收来自终端设备的消息1。
示例性的,该消息1例如可以是图7中的PDU会话修改请求消息。
其中,该消息1包括用于指示请求的QoS规则的信息,用于通知SMF网元执行对QoS规则添加/替换/删除包过滤器的修改操作。
可选的,若终端设备向SMF网元请求的操作指示为修改QoS规则且增加包过滤器(modify existing QoS rule and add packet filters),则该用于指示请求的QoS规则的信息例如可以包括操作指示5(也可以称之为操作码5)—modify existing QoS rule and add packet filters和所对应的QoS规则的标识、以及请求新增加的用于描述SDF的包过滤器(这里记作包过滤器2)。可选的,若终端设备为包过滤器2分配QoS规则包过滤器标识2,则消息1中1还包括QoS规则包过滤器标识2。
或者,可选的,若终端设备向SMF网元请求的操作指示为修改QoS规则且替换包过滤器(modify existing QoS rule and replace packet filters),则该用于指示请求的QoS规则的信息例如可以包括操作指示7(也可以称之为操作码7)—modify existing QoS rule and replace packet filters和所对应的QoS规则的标识、以及用于替换QoS规则中已有的包过滤器的包过滤器(这里记作包过滤器3)。可选的,若终端设备为包过滤器3分配QoS规则包过滤器标识3,则消息中1还包括QoS规则包过滤器标识3。
或者,可选的,若终端设备向SMF网元请求的操作指示为修改QoS规则且删除包过滤器(modify existing QoS rule and delete packet filters),则该用于指示请求的QoS规则的信息例如可以包括操作指示9(也可以称之为操作码9)—modify existing QoS rule and delete packet filters和所对应的QoS规则的标识、以及待删除的包过滤器的第一标识(这里假设待删除的包过滤器为包过滤器1,待删除的包过滤器的第一标识为SMF网元或终端设备为包过滤器1分配的QoS规则包过滤器标识1)。
可选的,该消息1还可以包括请求的QoS参数(这里记作QoS参数1)。该QoS参数1的相关描述可参考图5所示的实施例,在此不再赘述。
S702、SMF网元向PCF网元发送消息2。PCF网元接收来自SMF网元的消息2。
示例性的,该消息2例如可以是图7中的SM策略控制更新请求消息。
可选的,若终端设备向SMF网元请求操作指示5,则该消息2中包括与QoS规则的标识对应的PCC规则的标识、包过滤器2、以及与操作指示5对应的操作指示6(也可以称之为操作码6)—modify existing PCC rule and add packet filters,用于通知PCF网元执行在PCC规则的标识对应的PCC规则添加包过滤器2的修改操作。
或者,可选的,若终端设备向SMF网元请求操作指示7,则该消息2中包括与QoS规则的标识对应的PCC规则的标识、包过滤器3、以及与操作指示7对应的操作指示8(也可以称之为操作码8)—modify existing PCC rule and replace packet filters,用于通知PCF网元执行将PCC规则的标识对应的PCC规则中的包过滤器替换为包过滤器3的修改操作。
或者,可选的,若终端设备向SMF网元请求操作指示9,则该消息2中包括与QoS规则的标识对应的PCC规则的标识、与QoS规则包过滤器标识1对应的PCC规则包过滤器标识1、以及与操作指示9对应的操作指示10(也可以称之为操作码10)—modify existing PCC rule and delete packet filters,用于通知PCF网元执行删除PCC规则的标识对应的PCC规则中的包过滤器1的修改操作。其中,PCC规则包过滤器标识1的相关描述可参考图5所示的实施例,在此不再赘述。
可选的,若上述消息1包括QoS参数1,则消息2还可以包括与QoS参数1对应的QoS参数2,该QoS参数2的相关描述可参考图5所示的实施例,在此不再赘述。
S703、PCF网元进行策略决策。
可选的,若终端设备向SMF网元请求操作指示5,则PCF网元可以根据消息2修改PCC规则,该修改后的PCC规则中包括PCC规则的标识和SDF模板(template)。该SDF template中包括上述包过滤器2、以及PCF网元为包过滤器2分配的PCC规则包过滤器标识2。可选的,若修改前的PCC规则中包括包过滤器1、以及PCF网元为包过滤器1分配的PCC规则包过滤器标识1,则该SDF template中包括上述包过滤器1、以及PCF网元为包过滤器1分配的PCC规则包过滤器标识1,也就是说,修改后的PCC规则中还包括原来已经存在的包过滤器以及PCF网元为该包过滤器分配的PCC规则包过滤器标识。
或者,可选的,若终端设备向SMF网元请求操作指示7,则PCF网元可以根据消息2修改PCC规则,该修改后的PCC规则中包括PCC规则的标识和SDF模板(template)。该SDF template中包括上述包过滤器3、以及PCF网元为包过滤器3分配的PCC规则包过滤器标识3。可选的,若修改前的PCC规则中包括包过滤器1、以及PCF网元为包过滤器1分配的PCC规则包过滤器标识1,则该SDF template中不包括包过滤器1、以及PCF网元为包过滤器1分配的PCC规则包过滤器标识1,也就是说,修改后的PCC规则中原来已经存在的包过滤器以及PCF网元为该包过滤器分配的PCC规则包过滤器标识均被替换掉。
或者,可选的,若终端设备向SMF网元请求操作指示9,则PCF网元可以根据消息2修改PCC规则,该修改后的PCC规则中包括PCC规则的标识和SDF模板(template)。该SDF template中不包括PCC规则包过滤器标识1、以及与PCC规则包过滤器标识1对应的包过滤器1。当然,该SDF模板中还可能包括其他的包过滤器以及PCF网元为该包过滤器分配的PCC规则包过滤器标识,在此不作具体限定。
可选的,若上述消息2中还包括QoS参数2,则PCF网元还可以确定调整后的QoS参数(也可以描述为授权的QoS参数,记作QoS参数3),该修改后的PCC规则中还可以包括QoS参数3。其中,QoS参数3的相关描述可参考图5所示的实施例,在此不再赘述。
S704、PCF网元向SMF网元发送消息3。SMF网元接收来自PCF网元的消息3。
示例性的,该消息3例如可以是图7中的SM策略控制更新应答消息。
其中,该消息3中可以包括修改后的PCC规则,该消息3用于通知SMF网元根据修改后的PCC规则更新PCC规则的标识对应的PCC规则。
S705、SMF网元更新PCC规则的标识对应的PCC规则,并修改与该PCC规则对应的QoS规则。
可选的,若终端设备向SMF网元请求操作指示5,则该修改后的QoS规则中可以包括QoS规则的标识、操作指示5—modify existing QoS rule and add packet filters和包过滤器集合2,该包过滤器集合2中包括上述包过滤器2、以及SMF网元或终端设备为包过滤器2分配的QoS规则包过滤器标识2。可选的,若修改前的QoS规则中包括包过滤器1、以及SMF网元或终端设备为包过滤器1分配的QoS规则包过滤器标识1,则该包过滤器集合2中还可以包括包过滤器1、以及SMF网元或终端设备为包过滤器1分配的QoS规则包过滤器标识1,也就是说,修改后的QoS规则中还包括原来已经存在的包过滤器以及SMF网元或终端设备为该包过滤器分配的QoS规则包过滤器标识。
或者,可选的,若终端设备向SMF网元请求操作指示7,则该修改后的QoS规则中可以包括QoS规则的标识、操作指示7—modify existing QoS rule and replace packet filters和包过滤器集合3,该包过滤器集合3中包括上述包过滤器3、以及SMF网元或终端设备为包过滤器3分配的QoS规则包过滤器标识3。可选的,若修改前的QoS规则中包括包过滤器1、以及SMF网元或终端设备为包过滤器1分配的QoS规则包过滤器标识1,则该包过滤器集合3中不包括包过滤器1、以及SMF网元或终端设备为包过滤器1分配的QoS规则包过滤器标识1,也就是说,修改后的QoS规则中原来已经存在的包过滤器以及SMF网元或终端设备为该包过滤器分配的QoS规则包过滤器标识均被替换掉。
或者,可选的,若终端设备向SMF网元请求操作指示9,则该修改后的QoS规则中可以包括QoS规则的标识、操作指示9—modify existing QoS rule and delete packet filters和包过滤器集合4,该包过滤器集合4中不包括包过滤器1、以及SMF网元或终端设备为包过滤器1分配的QoS规则包过滤器标识1。
可选的,本申请实施例中,若上述修改后的PCC规则中包括QoS参数3,则SMF网元还可以确定与QoS参数3对应的QoS参数4,该QoS参数4的相关描述可参考图5所示的实施例,在此不再赘述。
S706、SMF网元向终端设备发送消息4。终端设备接收来自SMF网元的消息4。
示例性的,该消息4例如可以是图7中的PDU会话修改响应消息。
其中,该消息4包括与修改后的PCC规则对应的修改后的QoS规则,该消息4用于通知终端设备根据修改后的QoS规则更新QoS规则的标识对应的QoS规则。
可选的,若SMF网元可以确定与QoS参数3对应的QoS参数4,则该消息4中还可以包括QoS流描述信息4,该QoS流描述信息4包括QoS参数4、PCC规则绑定的QoS流的标识(即QFI)和指示信息5,该指示信息5指示修改操作。其中,该QoS流描述信息4用于通知终端设备根据QoS参数4修改PCC规则绑定的QoS流。
其中,终端设备接收来自SMF网元的消息4之后,可以根据修改后的QoS规则更新QoS规则的标识对应的QoS规则;以及,可选的,若终端设备可以获取QoS流描述信息4,则终端设备可以根据QoS流描述信息4中的QoS参数4修改PCC规则绑定的QoS流,在此不作具体限定。
图7所示的实施例提供了在特殊QoS控制的流程中,SMF网元和PCF网元之间的交互流程。其中,SMF网元可以获取与QoS规则的标识对应的PCC规则的标识、以及与操作指示—modify existing QoS rule and add/replace/delete packet filters对应的操作指示—modify existing PCC rule and add/replace/delete packet filters,并在发送给PCF网元的消息2中携带该PCC规则的标识以及操作指示—modify existing PCC rule and add/replace/delete packet filters,使得PCF网元可以根据消息2修改对应的PCC规则。因此基于本申请实施例提供的策略控制方法,可以在特殊QoS控制的流程中,支持SMF网元向PCF网元进行策略授权。
其中,上述步骤S701至S706中的PCF网元或者SMF网元的动作可以由图4所示的通信设备400中的处理器401调用存储器403中存储的应用程序代码来执行,本实施例对此不作任何限制。
或者,以图2所示的通信系统应用于如图3a或图3b所示的非漫游场景下的5G网络架构,终端设备向SMF网元请求的操作指示为修改PCC规则且不修改包过滤器(modify existing QoS rule and without packet filters)、为例,如图8所示,为本申请实施例提供的一种策略控制方法,该策略控制方法包括如下步骤:
S801、终端设备向SMF网元发送消息1。SMF网元接收来自终端设备的消息1。
示例性的,该消息1例如可以是图8中的PDU会话修改请求消息。
其中,该消息1包括用于指示请求的QoS规则的信息和请求的QoS参数(这里记作QoS参数1),用于通知SMF网元修改QoS规则且不修改包过滤器。其中,该QoS参数1的相关描述可参考图5所示的实施例,在此不再赘述;该用于指示请求的QoS规则的信息例如可以包括操作指示11(也可以称之为操作码11)—modify existing QoS rule and without packet filters和所对应的QoS规则的标识。
S802、SMF网元向PCF网元发送消息2。PCF网元接收来自SMF网元的消息2。
示例性的,该消息2例如可以是图8中的SM策略控制更新请求消息。
其中,该消息2中包括与QoS规则的标识对应的PCC规则的标识、与QoS参数1对应的QoS参数2、以及与操作指示11对应的操作指示12(也可以称之为操作码12)—modify existing PCC rule and without packet filters,用于通知PCF网元修改PCC规则且不修改包过滤器。其中,该QoS参数2的相关描述可参考图5所示的实施例,在此不再赘述。
S803、PCF网元进行策略决策。
其中,PCF网元可以根据消息2修改PCC规则,该修改后的PCC规则中包括PCC规则的标识和调整后的QoS参数(也可以描述为授权的QoS参数,记作QoS参数3)。其中,QoS参数3的相关描述可参考图5所示的实施例,在此不再赘述。
S804、PCF网元向SMF网元发送消息3。SMF网元接收来自PCF网元的消息3。
示例性的,该消息3例如可以是图8中的SM策略控制更新应答消息。
其中,该消息3中可以包括修改后的PCC规则,该消息3用于通知SMF网元根据修改后的PCC规则更新PCC规则的标识对应的PCC规则。
S805、SMF网元更新PCC规则的标识对应的PCC规则。
此外,本申请实施例中,SMF网元还可以确定与QoS参数3对应的QoS参数4,该QoS参数4的相关描述可参考图5所示的实施例,在此不再赘述。
S806、SMF网元向终端设备发送消息4。终端设备接收来自SMF网元的消息4。
示例性的,该消息4例如可以是图8中的PDU会话修改响应消息。
其中,该消息4包括QoS流描述信息4,该QoS流描述信息4包括QoS参数4、PCC规则绑定的QoS流的标识(即QFI)和指示信息5,该指示信息5指示修改操作。其中,该QoS流描述信息4用于通知终端设备根据QoS参数4修改PCC规则绑定的QoS流。
其中,终端设备接收来自SMF网元的消息4之后,可以根据QoS流描述信息4中的QoS参数4修改PCC规则绑定的QoS流,在此不作具体限定。
图8所示的实施例提供了在特殊QoS控制的流程中,SMF网元和PCF网元之间的交互流程。其中,SMF网元可以获取与QoS规则的标识对应的PCC规则的标识、以及与操作指示—modify existing QoS rule and without packet filters对应的操作指示—modify existing PCC rule and without packet filters,并在发送给PCF网元的消息2中携带该PCC规则的标识以及操作指示—modify existing PCC rule and without packet filters,使得PCF网元可以根据消息2修改对应的PCC规则。因此基于本申请实施例提供的策略控制方法,可以在特殊QoS控制的流程中,支持SMF网元向PCF网元进行策略授权。
其中,上述步骤S801至S806中的PCF网元或者SMF网元的动作可以由图4所示的通信设备400中的处理器401调用存储器403中存储的应用程序代码来执行,本实施例对此不作任何限制。
需要说明的是,上述图5至图8所示的实施例均是以图2所示的通信系统应用于如图3a或图3b所示的非漫游场景下的5G网络架构为例进行说明,若以图2所示的通信系统应用于漫游场景下的5G网络架构为例进行说明,则对应的策略控制方法与上述实施例中的方法类似,仅需将相关网元进行适应性替换即可,在此不予赘述。
可以理解的是,以上各个实施例中,由会话管理网元实现的方法和/或步骤,也可以由可用于会话管理网元的部件实现。
上述主要从各个网元之间交互的角度对本申请实施例提供的方案进行了介绍。相应的,本申请实施例还提供了通信装置,该通信装置可以为上述方法实施例中的会话管理网元,或者包含上述会话管理网元的装置,或者为可用于会话管理网元的部件。可以理解的是,该通信装置为了实现上述功能,其包含了执行各个功能相应的硬件结构和/或软件模块。本领域技术人员应该很容易意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,本申请能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。
本申请实施例可以根据上述方法实施例中对通信装置进行功能模块的划分,例如,可以对应各个功能划分各个功能模块,也可以将两个或两个以上的功能集成在一个处理模块中。上述集成的模块既可以采用硬件的形式实现,也可以采用软件功能模块的形式实现。需要说明的是,本申请实施例中对模块的划分是示意性的,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式。
比如,图9示出了一种通信装置90的结构示意图。该通信装置90包括接收模块901和发送模块902。所述接收模块901,也可以称为接收单元用以实现接收功能,例如可以是接收电路,接收机,接收器或者通信接口。所述发送模块902,也可以称为发送单元用以实现发送功能,例如可以是发送电路,发送机,发送器或者通信接口。可选的,该通信装置90还可以包括处理模块903。
以通信装置90为上述方法实施例中的会话管理网元为例:
接收模块901,用于接收来自终端设备的第一消息,第一消息包括QoS规则的标识和第一操作指示;发送模块902,用于向策略控制网元发送第二消息,第二消息包括与QoS规则的标识对应的PCC规则的标识、以及与第一操作指示对应的第二操作指示,用于请求策略控制网元对PCC规则的标识对应的PCC规则执行第二操作指示所指示的第二操作。
一种可能的实现方式中,第一操作指示包括删除QoS规则,第二操作指示包括删除PCC规则,第二操作指示所指示的第二操作包括对PCC规则的删除操作。
可选的,接收模块901,还用于接收来自策略控制网元的第三消息,第三消息包括PCC规则的标识和第一指示信息,第一指示信息指示删除操作,其中,第三消息用于通知会话管理网元删除PCC规则;发送模块902,还用于向终端设备发送第四消息,第四消息包括与PCC规则对应的QoS规则,QoS规则中包括QoS规则的标识和第一操作指示,其中,第四消息用于通知终端设备删除QoS规则。
可选的,处理模块903,用于确定删除PCC规则绑定的QoS流;相应的,第四消息还包括第一QoS流描述信息,第一QoS流描述信息包括QoS流的标识和第二指示信息,第二指示信息指示删除QoS流,其中,第四消息还用于通知终端设备删除QoS流。
或者,可选的,处理模块903,用于确定修改PCC规则绑定的QoS流;相应的,第四消息还包括第二QoS流描述信息;第二QoS流描述信息包括QoS流的标识、第三指示信息和QoS流对应的调整后的QoS参数,第三指示信息指示修改操作,其中,第四消息还用于通知终端设备根据调整后的QoS参数修改QoS流。
另一种可能的实现方式中,第一操作指示包括修改QoS规则且增加包过滤器,第二操作指示包括修改PCC规则且增加包过滤器,第二操作指示所指示的第二操作包括对PCC规则添加包过滤器的修改操作;相应的,第一消息还包括第一包过滤器,第二消息还包括第一包过滤器。
又一种可能的实现方式中,第一操作指示包括修改QoS规则且替换包过滤器,第二操作指示包括修改PCC规则且替换包过滤器,第二操作指示所指示的第二操作包括替换PCC规则中的包过滤器的修改操作;相应的,第一消息还包括第一包过滤器,第二消息还包括第一包过滤器。
可选的,接收模块901,还用于接收来自策略控制网元的第五消息,第五消息包括修改后的PCC规则,修改后的PCC规则中包括PCC规则的标识和第一包过滤器,其中,第五消息用于通知会话管理网元根据修改后的PCC规则更新PCC规则的标识对应的PCC规则;发送模块902,还用于向终端设备发送第六消息,第六消息包括与修改后的PCC规则对应的修改后的QoS规则,修改后的QoS规则中包括QoS规则的标识、第一操作指示和第一包过滤器集合,第一包过滤器集合中包括第一包过滤器,其中,第六消息用于通知终端设备根据修改后的QoS规则更新QoS规则的标识对应的QoS规则。
又一种可能的实现方式中,第一操作指示包括修改QoS规则且删除包过滤器,第二操作指示包括修改PCC规则且删除包过滤器,第二操作指示所指示的第二操作包括删除PCC规则中的包过滤器的修改操作;相应的,第一消息还包括待删除的第二包过滤器的第一标识,第二消息还包括第二包过滤器的第二标识,其中,第一标识用于标识QoS规则中的第二包过滤器,第二标识用于标识PCC规则中的第二包过滤器。
可选的,接收模块901,还用于接收来自策略控制网元的第七消息,第七消息包括修改后的PCC规则,修改后的PCC规则中包括PCC规则的标识,且修改后的PCC规则中不包括第二包过滤器,其中,第七消息用于通知会话管理网元根据修改后的PCC规则更新PCC规则的标识对应的PCC规则;发送模块902,还用于向终端设备发送第八消息,第八消息包括与修改后的PCC规则对应的修改后的QoS规则,修改后的QoS规则中包括QoS规则的标识、第一操作指示和第二包过滤器集合,第二包过滤器集合中不包括第二包过滤器,其中,第八消息用于通知终端设备根据修改后的QoS规则更新QoS规则的标识对应的QoS规则。
又一种可能的实现方式中,第一操作指示包括修改QoS规则且不修改包过滤器,第二操作指示包括修改PCC规则且不修改包过滤器,第二操作指示所指示的第二操作包括对PCC规则中的QoS参数的修改操作;相应的,第一消息还包括请求的第一QoS参数,第二消息还包括与第一QoS参数对应的第二QoS参数,第二QoS参数用于确定调整后的第二QoS参数。
可选的,接收模块901,还用于接收来自策略控制网元的第九消息,第九消息包括修改后的PCC规则,修改后的PCC规则中包括PCC规则的标识和调整后的第二QoS参数,其中,第九消息用于通知会话管理网元根据修改后的PCC规则更新PCC规则的标识对应的PCC规则;发送模块902,还用于向终端设备发送第十消息,第十消息包括第五QoS流描述信息,第五QoS流描述信息包括PCC规则绑定的QoS流的标识、第六指示信息、以及与调整后的第二QoS参数对应的调整后的第一QoS参数,第六指示信息指示修改操作,其中,第十消息用于通知终端设备根据调整后的第一QoS参数修改QoS流。
可选的,接收模块901,还用于接收来自终端设备的第十一消息,第十一消息包括第三包过滤器和第三操作指示,第三操作指示包括创建QoS规则,其中,第十一消息用于通知会话管理网元创建QoS规则;发送模块902,还用于向策略控制网元发送第十二消息,第十二消息包括第三包过滤器、以及与第三操作指示对应的第四操作指示,第四操作指示包括创建PCC规则,其中,第十二消息用于通知策略控制网元创建 PCC规则;接收模块901,还用于接收来自策略控制网元的第十三消息,第十三消息包括创建的PCC规则,PCC规则中包括PCC规则的标识和第三包过滤器,其中,第十三消息用于通知会话管理网元安装创建的PCC规则;发送模块902,还用于向终端设备发送第十四消息,第十四消息包括创建的与PCC规则对应的QoS规则,QoS规则中包括QoS规则的标识、第三操作指示和第三包过滤器集合,第三包过滤器集合中包括第三包过滤器,其中,第十四消息用于通知终端设备安装创建的QoS规则。
其中,上述方法实施例涉及的各步骤的所有相关内容均可以援引到对应功能模块的功能描述,在此不再赘述。
在本实施例中,该通信装置90以采用集成的方式划分各个功能模块的形式来呈现。这里的“模块”可以指特定ASIC,电路,执行一个或多个软件或固件程序的处理器和存储器,集成逻辑电路,和/或其他可以提供上述功能的器件。在一个简单的实施例中,本领域的技术人员可以想到该通信装置90可以采用图4所示的通信设备400的形式。
比如,图4所示的通信设备400中的处理器401可以通过调用存储器403中存储的计算机执行指令,使得通信设备400执行上述方法实施例中的策略控制方法。
具体的,图9中的接收模块901、发送模块902和处理模块903的功能/实现过程可以通过图4所示的通信设备400中的处理器401调用存储器403中存储的计算机执行指令来实现。或者,图9中的处理模块903的功能/实现过程可以通过图4所示的通信设备400中的处理器401调用存储器403中存储的计算机执行指令来实现,图9中的接收模块901和发送模块902的功能/实现过程可以通过图4中所示的通信设备400中的通信接口404来实现。
由于本实施例提供的通信装置90可执行上述的策略控制方法,因此其所能获得的技术效果可参考上述方法实施例,在此不再赘述。
需要说明的是,以上模块或单元的一个或多个可以软件、硬件或二者结合来实现。当以上任一模块或单元以软件实现的时候,所述软件以计算机程序指令的方式存在,并被存储在存储器中,处理器可以用于执行所述程序指令并实现以上方法流程。该处理器可以内置于SoC(片上系统)或ASIC,也可是一个独立的半导体芯片。该处理器内处理用于执行软件指令以进行运算或处理的核外,还可进一步包括必要的硬件加速器,如现场可编程门阵列(field programmable gate array,FPGA)、PLD(可编程逻辑器件)、或者实现专用逻辑运算的逻辑电路。
当以上模块或单元以硬件实现的时候,该硬件可以是CPU、微处理器、数字信号处理(digital signal processing,DSP)芯片、微控制单元(microcontroller unit,MCU)、人工智能处理器、ASIC、SoC、FPGA、PLD、专用数字电路、硬件加速器或非集成的分立器件中的任一个或任一组合,其可以运行必要的软件或不依赖于软件以执行以上方法流程。
可选的,本申请实施例还提供了一种通信装置(例如,该通信装置可以是芯片或芯片系统),该通信装置包括处理器,用于实现上述任一方法实施例中的方法。在一种可能的设计中,该通信装置还包括存储器。该存储器,用于保存必要的程序指令和数据,处理器可以调用存储器中存储的程序代码以指令该通信装置执行上述任一方法实施例中的方法。当然,存储器也可以不在该通信装置中。该通信装置是芯片系统时, 可以由芯片构成,也可以包含芯片和其他分立器件,本申请实施例对此不作具体限定。
在上述实施例中,可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件程序实现时,可以全部或部分地以计算机程序产品的形式来实现。该计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行计算机程序指令时,全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中,或者从一个计算机可读存储介质向另一个计算机可读存储介质传输,例如,所述计算机指令可以从一个网站站点、计算机、服务器或者数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line,DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可以用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如,软盘、硬盘、磁带),光介质(例如,DVD)、或者半导体介质(例如固态硬盘(solid state disk,SSD))等。
尽管在此结合各实施例对本申请进行了描述,然而,在实施所要求保护的本申请过程中,本领域技术人员通过查看所述附图、公开内容、以及所附权利要求书,可理解并实现所述公开实施例的其他变化。在权利要求中,“包括”(comprising)一词不排除其他组成部分或步骤,“一”或“一个”不排除多个的情况。单个处理器或其他单元可以实现权利要求中列举的若干项功能。相互不同的从属权利要求中记载了某些措施,但这并不表示这些措施不能组合起来产生良好的效果。
尽管结合具体特征及其实施例对本申请进行了描述,显而易见的,在不脱离本申请的精神和范围的情况下,可对其进行各种修改和组合。相应地,本说明书和附图仅仅是所附权利要求所界定的本申请的示例性说明,且视为已覆盖本申请范围内的任意和所有修改、变化、组合或等同物。显然,本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样,倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内,则本申请也意图包含这些改动和变型在内。

Claims (37)

  1. 一种策略控制方法,其特征在于,所述方法包括:
    会话管理网元接收来自终端设备的第一消息,所述第一消息包括服务质量规则QoS规则的标识和第一操作指示;
    所述会话管理网元向策略控制网元发送第二消息,所述第二消息包括与所述QoS规则的标识对应的策略计费控制PCC规则的标识、以及与所述第一操作指示对应的第二操作指示,用于请求所述策略控制网元对所述PCC规则的标识对应的PCC规则执行所述第二操作指示所指示的第二操作。
  2. 根据权利要求1所述的方法,其特征在于,所述第一操作指示包括删除QoS规则,所述第二操作指示包括删除PCC规则,所述第二操作指示所指示的第二操作包括对PCC规则的删除操作。
  3. 根据权利要求2所述的方法,其特征在于,所述方法还包括:
    所述会话管理网元接收来自所述策略控制网元的第三消息,所述第三消息包括所述PCC规则的标识和第一指示信息,所述第一指示信息指示删除操作,其中,所述第三消息用于通知所述会话管理网元删除所述PCC规则;
    所述会话管理网元向所述终端设备发送第四消息,所述第四消息包括与所述PCC规则对应的所述QoS规则,所述QoS规则中包括所述QoS规则的标识和所述第一操作指示,其中,所述第四消息用于通知所述终端设备删除所述QoS规则。
  4. 根据权利要求3所述的方法,其特征在于,所述方法还包括:
    所述会话管理网元确定删除所述PCC规则绑定的QoS流;
    相应的,所述第四消息还包括第一QoS流描述信息,所述第一QoS流描述信息包括所述QoS流的标识和第二指示信息,所述第二指示信息指示删除所述QoS流,其中,所述第四消息还用于通知所述终端设备删除所述QoS流。
  5. 根据权利要求3所述的方法,其特征在于,所述方法还包括:
    所述会话管理网元确定修改所述PCC规则绑定的QoS流;
    相应的,所述第四消息还包括第二QoS流描述信息;所述第二QoS流描述信息包括所述QoS流的标识、第三指示信息和所述QoS流对应的调整后的QoS参数,所述第三指示信息指示修改操作,其中,所述第四消息还用于通知所述终端设备根据所述调整后的QoS参数修改所述QoS流。
  6. 根据权利要求1所述的方法,其特征在于,所述第一操作指示包括修改QoS规则且增加包过滤器,所述第二操作指示包括修改PCC规则且增加包过滤器,所述第二操作指示所指示的第二操作包括对PCC规则添加包过滤器的修改操作;
    相应的,所述第一消息还包括第一包过滤器,所述第二消息还包括所述第一包过滤器。
  7. 根据权利要求1所述的方法,其特征在于,所述第一操作指示包括修改QoS规则且替换包过滤器,所述第二操作指示包括修改PCC规则且替换包过滤器,所述第二操作指示所指示的第二操作包括替换PCC规则中的包过滤器的修改操作;
    相应的,所述第一消息还包括第一包过滤器,所述第二消息还包括所述第一包过滤器。
  8. 根据权利要求6或7所述的方法,其特征在于,所述方法还包括:
    所述会话管理网元接收来自所述策略控制网元的第五消息,所述第五消息包括修改后的PCC规则,所述修改后的PCC规则中包括所述PCC规则的标识和所述第一包过滤器,其中,所述第五消息用于通知所述会话管理网元根据所述修改后的PCC规则更新所述PCC规则的标识对应的PCC规则;
    所述会话管理网元向所述终端设备发送第六消息,所述第六消息包括与所述修改后的PCC规则对应的修改后的QoS规则,所述修改后的QoS规则中包括所述QoS规则的标识、所述第一操作指示和第一包过滤器集合,所述第一包过滤器集合中包括所述第一包过滤器,其中,所述第六消息用于通知所述终端设备根据所述修改后的QoS规则更新所述QoS规则的标识对应的QoS规则。
  9. 根据权利要求8所述的方法,其特征在于,所述第一消息还包括请求的第一QoS参数,所述第二消息还包括与所述第一QoS参数对应的第二QoS参数,所述第二QoS参数用于确定调整后的第二QoS参数;
    相应的,所述修改后的PCC规则中还包括所述调整后的第二QoS参数;
    相应的,所述第六消息还包括第三QoS流描述信息,所述第三QoS流描述信息包括所述PCC规则绑定的QoS流的标识、第四指示信息、以及与所述调整后的第二QoS参数对应的调整后的第一QoS参数,所述第四指示信息指示修改操作,其中,所述第六消息还用于通知所述终端设备根据所述调整后的第一QoS参数修改所述QoS流。
  10. 根据权利要求1所述的方法,其特征在于,所述第一操作指示包括修改QoS规则且删除包过滤器,所述第二操作指示包括修改PCC规则且删除包过滤器,所述第二操作指示所指示的第二操作包括删除PCC规则中的包过滤器的修改操作;
    相应的,所述第一消息还包括待删除的第二包过滤器的第一标识,所述第二消息还包括所述第二包过滤器的第二标识,其中,所述第一标识用于标识所述QoS规则中的所述第二包过滤器,所述第二标识用于标识所述PCC规则中的所述第二包过滤器。
  11. 根据权利要求10所述的方法,其特征在于,所述方法还包括:
    所述会话管理网元接收来自所述策略控制网元的第七消息,所述第七消息包括修改后的PCC规则,所述修改后的PCC规则中包括所述PCC规则的标识,且所述修改后的PCC规则中不包括所述第二包过滤器,其中,所述第七消息用于通知所述会话管理网元根据所述修改后的PCC规则更新所述PCC规则的标识对应的PCC规则;
    所述会话管理网元向所述终端设备发送第八消息,所述第八消息包括与所述修改后的PCC规则对应的修改后的QoS规则,所述修改后的QoS规则中包括所述QoS规则的标识、所述第一操作指示和第二包过滤器集合,所述第二包过滤器集合中不包括所述第二包过滤器,其中,所述第八消息用于通知所述终端设备根据所述修改后的QoS规则更新所述QoS规则的标识对应的QoS规则。
  12. 根据权利要求11所述的方法,其特征在于,所述第一消息还包括请求的第一QoS参数,所述第二消息还包括与所述第一QoS参数对应的第二QoS参数,所述第二QoS参数用于确定调整后的第二QoS参数;
    相应的,所述修改后的PCC规则中还包括所述调整后的第二QoS参数;
    相应的,所述第八消息还包括第四QoS流描述信息,所述第四QoS流描述信息包 括所述PCC规则绑定的QoS流的标识、第五指示信息、以及与所述调整后的第二QoS参数对应的调整后的第一QoS参数,所述第五指示信息指示修改操作,其中,所述第八消息还用于通知所述终端设备根据所述调整后的第一QoS参数修改所述QoS流。
  13. 根据权利要求1所述的方法,其特征在于,所述第一操作指示包括修改QoS规则且不修改包过滤器,所述第二操作指示包括修改PCC规则且不修改包过滤器,所述第二操作指示所指示的第二操作包括对PCC规则中的QoS参数的修改操作;
    相应的,所述第一消息还包括请求的第一QoS参数,所述第二消息还包括与所述第一QoS参数对应的第二QoS参数,所述第二QoS参数用于确定调整后的第二QoS参数。
  14. 根据权利要求13所述的方法,其特征在于,所述方法还包括:
    所述会话管理网元接收来自所述策略控制网元的第九消息,所述第九消息包括修改后的PCC规则,所述修改后的PCC规则中包括所述PCC规则的标识和所述调整后的第二QoS参数,其中,所述第九消息用于通知所述会话管理网元根据所述修改后的PCC规则更新所述PCC规则的标识对应的PCC规则;
    所述会话管理网元向所述终端设备发送第十消息,所述第十消息包括第五QoS流描述信息,所述第五QoS流描述信息包括所述PCC规则绑定的QoS流的标识、第六指示信息、以及与所述调整后的第二QoS参数对应的调整后的第一QoS参数,所述第六指示信息指示修改操作,其中,所述第十消息用于通知所述终端设备根据所述调整后的第一QoS参数修改所述QoS流。
  15. 根据权利要求1-14任一项所述的方法,其特征在于,在所述会话管理网元接收来自终端设备的第一消息之前,所述方法还包括:
    所述会话管理网元接收来自所述终端设备的第十一消息,所述第十一消息包括第三包过滤器和第三操作指示,所述第三操作指示包括创建QoS规则,其中,所述第十一消息用于通知所述会话管理网元创建QoS规则;
    所述会话管理网元向所述策略控制网元发送第十二消息,所述第十二消息包括所述第三包过滤器、以及与所述第三操作指示对应的第四操作指示,所述第四操作指示包括创建PCC规则,其中,所述第十二消息用于通知所述策略控制网元创建PCC规则;
    所述会话管理网元接收来自所述策略控制网元的第十三消息,所述第十三消息包括创建的所述PCC规则,所述PCC规则中包括所述PCC规则的标识和所述第三包过滤器,其中,所述第十三消息用于通知所述会话管理网元安装所述创建的所述PCC规则;
    所述会话管理网元向所述终端设备发送第十四消息,所述第十四消息包括创建的与所述PCC规则对应的QoS规则,所述QoS规则中包括所述QoS规则的标识、所述第三操作指示和第三包过滤器集合,所述第三包过滤器集合中包括所述第三包过滤器,其中,所述第十四消息用于通知所述终端设备安装所述创建的所述QoS规则。
  16. 根据权利要求15所述的方法,其特征在于,所述第十一消息还包括请求的第三QoS参数,所述第十二消息还包括与所述第三QoS参数对应的第四QoS参数,所述第四QoS参数用于确定调整后的第四QoS参数;
    相应的,所述创建的所述PCC规则中还包括所述调整后的第四QoS参数;
    相应的,所述第十四消息还包括第六QoS流描述信息,所述第六QoS流描述信息包括所述PCC规则绑定的QoS流的标识、第七指示信息、以及与所述调整后的第四QoS参数对应的调整后的第三QoS参数,所述第七指示信息指示创建或修改操作,其中,所述第十四消息还用于通知所述终端设备根据所述调整后的第三QoS参数修改所述QoS流。
  17. 一种通信装置,其特征在于,所述通信装置包括:接收模块和发送模块;
    所述接收模块,用于接收来自终端设备的第一消息,所述第一消息包括服务质量QoS规则的标识和第一操作指示;
    所述发送模块,用于向策略控制网元发送第二消息,所述第二消息包括与所述QoS规则的标识对应的策略计费控制PCC规则的标识、以及与所述第一操作指示对应的第二操作指示,用于请求所述策略控制网元对所述PCC规则的标识对应的PCC规则执行所述第二操作指示所指示的第二操作。
  18. 根据权利要求17所述的通信装置,其特征在于,所述第一操作指示包括删除QoS规则,所述第二操作指示包括删除PCC规则,所述第二操作指示所指示的第二操作包括对PCC规则的删除操作。
  19. 根据权利要求18所述的通信装置,其特征在于,
    所述接收模块,还用于接收来自所述策略控制网元的第三消息,所述第三消息包括所述PCC规则的标识和第一指示信息,所述第一指示信息指示删除操作,其中,所述第三消息用于通知会话管理网元删除所述PCC规则;
    所述发送模块,还用于向所述终端设备发送第四消息,所述第四消息包括与所述PCC规则对应的所述QoS规则,所述QoS规则中包括所述QoS规则的标识和所述第一操作指示,其中,所述第四消息用于通知所述终端设备删除所述QoS规则。
  20. 根据权利要求19所述的通信装置,其特征在于,所述通信装置还包括:处理模块;
    所述处理模块,用于确定删除所述PCC规则绑定的QoS流;
    相应的,所述第四消息还包括第一QoS流描述信息,所述第一QoS流描述信息包括所述QoS流的标识和第二指示信息,所述第二指示信息指示删除所述QoS流,其中,所述第四消息还用于通知所述终端设备删除所述QoS流。
  21. 根据权利要求19所述的通信装置,其特征在于,所述通信装置还包括:处理模块;
    所述处理模块,用于确定修改所述PCC规则绑定的QoS流;
    相应的,所述第四消息还包括第二QoS流描述信息;所述第二QoS流描述信息包括所述QoS流的标识、第三指示信息和所述QoS流对应的调整后的QoS参数,所述第三指示信息指示修改操作,其中,所述第四消息还用于通知所述终端设备根据所述调整后的QoS参数修改所述QoS流。
  22. 根据权利要求17所述的通信装置,其特征在于,所述第一操作指示包括修改QoS规则且增加包过滤器,所述第二操作指示包括修改PCC规则且增加包过滤器,所述第二操作指示所指示的第二操作包括对PCC规则添加包过滤器的修改操作;
    相应的,所述第一消息还包括第一包过滤器,所述第二消息还包括所述第一包过滤器。
  23. 根据权利要求17所述的通信装置,其特征在于,所述第一操作指示包括修改QoS规则且替换包过滤器,所述第二操作指示包括修改PCC规则且替换包过滤器,所述第二操作指示所指示的第二操作包括替换PCC规则中的包过滤器的修改操作;
    相应的,所述第一消息还包括第一包过滤器,所述第二消息还包括所述第一包过滤器。
  24. 根据权利要求22或23所述的通信装置,其特征在于,
    所述接收模块,还用于接收来自所述策略控制网元的第五消息,所述第五消息包括修改后的PCC规则,所述修改后的PCC规则中包括所述PCC规则的标识和所述第一包过滤器,其中,所述第五消息用于通知会话管理网元根据所述修改后的PCC规则更新所述PCC规则的标识对应的PCC规则;
    所述发送模块,还用于向所述终端设备发送第六消息,所述第六消息包括与所述修改后的PCC规则对应的修改后的QoS规则,所述修改后的QoS规则中包括所述QoS规则的标识、所述第一操作指示和第一包过滤器集合,所述第一包过滤器集合中包括所述第一包过滤器,其中,所述第六消息用于通知所述终端设备根据所述修改后的QoS规则更新所述QoS规则的标识对应的QoS规则。
  25. 根据权利要求17所述的通信装置,其特征在于,所述第一操作指示包括修改QoS规则且删除包过滤器,所述第二操作指示包括修改PCC规则且删除包过滤器,所述第二操作指示所指示的第二操作包括删除PCC规则中的包过滤器的修改操作;
    相应的,所述第一消息还包括待删除的第二包过滤器的第一标识,所述第二消息还包括所述第二包过滤器的第二标识,其中,所述第一标识用于标识所述QoS规则中的所述第二包过滤器,所述第二标识用于标识所述PCC规则中的所述第二包过滤器。
  26. 根据权利要求25所述的通信装置,其特征在于,
    所述接收模块,还用于接收来自所述策略控制网元的第七消息,所述第七消息包括修改后的PCC规则,所述修改后的PCC规则中包括所述PCC规则的标识,且所述修改后的PCC规则中不包括所述第二包过滤器,其中,所述第七消息用于通知会话管理网元根据所述修改后的PCC规则更新所述PCC规则的标识对应的PCC规则;
    所述发送模块,还用于向所述终端设备发送第八消息,所述第八消息包括与所述修改后的PCC规则对应的修改后的QoS规则,所述修改后的QoS规则中包括所述QoS规则的标识、所述第一操作指示和第二包过滤器集合,所述第二包过滤器集合中不包括所述第二包过滤器,其中,所述第八消息用于通知所述终端设备根据所述修改后的QoS规则更新所述QoS规则的标识对应的QoS规则。
  27. 根据权利要求17所述的通信装置,其特征在于,所述第一操作指示包括修改QoS规则且不修改包过滤器,所述第二操作指示包括修改PCC规则且不修改包过滤器,所述第二操作指示所指示的第二操作包括对PCC规则中的QoS参数的修改操作;
    相应的,所述第一消息还包括请求的第一QoS参数,所述第二消息还包括与所述第一QoS参数对应的第二QoS参数,所述第二QoS参数用于确定调整后的第二QoS参数。
  28. 根据权利要求27所述的通信装置,其特征在于,
    所述接收模块,还用于接收来自所述策略控制网元的第九消息,所述第九消息包括修改后的PCC规则,所述修改后的PCC规则中包括所述PCC规则的标识和所述调整后的第二QoS参数,其中,所述第九消息用于通知会话管理网元根据所述修改后的PCC规则更新所述PCC规则的标识对应的PCC规则;
    所述发送模块,还用于向所述终端设备发送第十消息,所述第十消息包括第五QoS流描述信息,所述第五QoS流描述信息包括所述PCC规则绑定的QoS流的标识、第六指示信息、以及与所述调整后的第二QoS参数对应的调整后的第一QoS参数,所述第六指示信息指示修改操作,其中,所述第十消息用于通知所述终端设备根据所述调整后的第一QoS参数修改所述QoS流。
  29. 根据权利要求17-28任一项所述的通信装置,其特征在于,
    所述接收模块,还用于接收来自所述终端设备的第十一消息,所述第十一消息包括第三包过滤器和第三操作指示,所述第三操作指示包括创建QoS规则,其中,所述第十一消息用于通知所述会话管理网元创建QoS规则;
    所述发送模块,还用于向所述策略控制网元发送第十二消息,所述第十二消息包括所述第三包过滤器、以及与所述第三操作指示对应的第四操作指示,所述第四操作指示包括创建PCC规则,其中,所述第十二消息用于通知所述策略控制网元创建PCC规则;
    所述接收模块,还用于接收来自所述策略控制网元的第十三消息,所述第十三消息包括创建的所述PCC规则,所述PCC规则中包括所述PCC规则的标识和所述第三包过滤器,其中,所述第十三消息用于通知所述会话管理网元安装所述创建的所述PCC规则;
    所述发送模块,还用于向所述终端设备发送第十四消息,所述第十四消息包括创建的与所述PCC规则对应的QoS规则,所述QoS规则中包括所述QoS规则的标识、所述第三操作指示和第三包过滤器集合,所述第三包过滤器集合中包括所述第三包过滤器,其中,所述第十四消息用于通知所述终端设备安装所述创建的所述QoS规则。
  30. 一种通信系统,其特征在于,所述通信系统包括会话管理网元和策略控制网元;
    所述会话管理网元,用于接收来自终端设备的第一消息,所述第一消息包括服务质量QoS规则的标识和第一操作指示;
    所述会话管理网元,还用于向策略控制网元发送第二消息,所述第二消息包括与所述QoS规则的标识对应的策略计费控制PCC规则的标识、以及与所述第一操作指示对应的第二操作指示;
    所述策略控制网元,用于接收来自所述会话管理网元的所述第二消息,并对所述PCC规则的标识对应的PCC规则执行所述第二操作指示所指示的第二操作。
  31. 一种通信装置,其特征在于,包括:处理器和存储器;所述存储器用于存储计算机执行指令,当所述通信装置运行时,所述处理器执行所述存储器存储的所述计算机执行指令,以使所述通信装置执行如权利要求1-16任一项所述的策略控制方法。
  32. 一种处理装置,其特征在于,包括:
    存储器,用于存储计算机程序;
    处理器,用于从所述存储器调用并运行所述计算机程序,以执行如权利要求1-16任一项所述的策略控制方法。
  33. 一种处理器,其特征在于,用于执行如权利要求1-16任一项所述的策略控制方法。
  34. 一种芯片系统,其特征在于,包括:
    存储器,用于存储计算机程序;
    处理器,用于从所述存储器调用并运行所述计算机程序,使得安装有所述芯片系统的设备执行如权利要求1-16任一项所述的策略控制方法。
  35. 一种计算机可读存储介质,包括计算机程序,当其在计算机上运行时,使得所述计算机执行如权利要求1-16任一项所述的策略控制方法。
  36. 一种计算机程序产品,所述计算机程序产品包括计算机程序,当所述计算机程序在计算机上运行时,使得计算机执行如权利要求1-16任一项所述的策略控制方法。
  37. 一种装置,其特征在于,所述装置用来执行如权利要求1-16任一项所述的策略控制方法。
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