WO2020224413A1 - 负荷控制方法、服务提供者nf及服务使用者nf - Google Patents

负荷控制方法、服务提供者nf及服务使用者nf Download PDF

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Publication number
WO2020224413A1
WO2020224413A1 PCT/CN2020/085295 CN2020085295W WO2020224413A1 WO 2020224413 A1 WO2020224413 A1 WO 2020224413A1 CN 2020085295 W CN2020085295 W CN 2020085295W WO 2020224413 A1 WO2020224413 A1 WO 2020224413A1
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Prior art keywords
service
load control
control information
service provider
resource
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PCT/CN2020/085295
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English (en)
French (fr)
Inventor
陈旭
宋月
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中国移动通信有限公司研究院
中国移动通信集团有限公司
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Publication of WO2020224413A1 publication Critical patent/WO2020224413A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/50Network services
    • H04L67/60Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/02Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]

Definitions

  • the present disclosure relates to the field of communication technology, in particular to a load control method and load control method, service provider NF and service user NF.
  • the 5G core network adopts a service-oriented interface, and the service calls between network functions (Network Functions, NF) are resource-oriented design, and each service can only perform specific operations on one resource.
  • Network Functions Network Functions
  • the 5G core network adopts a service-oriented architecture, and the interface between each NF adopts a service-oriented interface.
  • 5G service-oriented interface has clearly used HTTP (HyperText Transfer Protocol)/2+TCP (Transmission Control Protocol, Transmission Control Protocol) protocol.
  • HTTP HyperText Transfer Protocol
  • TCP Transmission Control Protocol
  • the communication mechanism of service invocation is adopted between NFs, which is realized by HTTP, which is different from the message communication mechanism of P2P (peer-to-peer).
  • the API Application Programming Interface
  • REST Real State Transfer
  • the operation/HTTP method of the resource is related to the specific business process realized by this service, and only a specific operation can be performed on a resource, and the resource and specific operation are designed according to the upper application logic.
  • the signaling intercommunication between 5G NFs is on the core network control plane.
  • users may trigger a large number of attachments, session establishment, call routing and query procedures, resulting in a signaling storm.
  • the service provider NF needs to report its load status and control strategy to each service user NF in real time.
  • the load control information process has nothing to do with specific interfaces and specific services.
  • the service provider NF reports its own load status to the relevant service user NF through the NRF (Network Repository Function, network service discovery function) subscription/notification mechanism. That is, the service user NF needs to subscribe to the NRF for the load status of the service provider NF, and the service provider NF needs to register the load status of the NF and the load status of all services on the NF with the NRF, and update them.
  • NRF Network Repository Function, network service discovery function
  • End-to-end load control needs to transmit the load control information of the service provider NF, including NF load information, congestion level, load control algorithm, load control validity period, etc.
  • the content is complex and there is a need for flexible expansion.
  • the NF registration information only supports capacity as a parameter for the load status, and it is only applicable to service users in service discovery and NF selection, and cannot implement end-to-end flow adjustment and other control mechanisms.
  • the load status update process and notification process involve NRF, and need to detect NF subscription events, which has poor real-time performance and cannot be directed to cause users of a service to reduce the number of service requests.
  • the HTTP basic protocol also does not support carrying load control information in the header parameters. If it is supported by extended parameters, new parameters need to be continuously defined, which is not conducive to flexible expansion.
  • the purpose of the embodiments of the present disclosure is to provide a load control method, a service provider NF, and a service user NF to solve the limitation problem that the related HTTP protocol cannot perform different operations on multiple resources in one service call.
  • some embodiments of the present disclosure provide a load control method, which is applied to the service provider network function NF, including:
  • a service response message is sent to the service user NF, and the service response message carries the resource address of the load control information.
  • the method further includes:
  • the load control information is stored on the service provider NF, or the load control information is stored on other network entities.
  • the network entity storing the load control information can provide the resource address of the load control information.
  • the creating load control information and generating the resource address of the load control information includes:
  • load control information is created and the resource address of the load control information is generated.
  • the service response message also carries explanatory information used to indicate the resource name and/or usage of the load control information.
  • the resource address of the load control information is located in a resource attribute of the first resource in the service response message
  • the first resource is a resource related to a service request in the service response message, or the first resource is a resource independent of a resource related to the service request in the service response message.
  • the method further includes:
  • the load control information is updated according to the load control information of the service provider NF and/or the load control information of at least one service provided by the service provider NF.
  • the load control information is a resource including multiple resource attributes.
  • the load control information includes at least one of the following information:
  • the congestion level of the service provider NF The congestion level of the service provider NF
  • the load control strategy of at least one service provided by the service provider NF is not limited.
  • the service request message is a service request of any service call by the service user NF to any service provided by the service provider NF;
  • the service response message is the service response of the service provider NF to the service request message of any service invocation of any service sent by the service user NF.
  • Some embodiments of the present disclosure also provide a load control method applied to the service user network function NF, including:
  • the load control information is acquired.
  • the method further includes:
  • obtaining load control information according to the resource address of the load control information includes:
  • the load control information is obtained from a network entity that stores the load control information.
  • the service response message also carries explanatory information used to indicate the resource name and/or usage of the load control information.
  • the resource address of the load control information is located in a resource attribute of the first resource in the service response message
  • the first resource is a resource related to a service request in the service response message, or the first resource is a resource independent of a resource related to the service request in the service response message.
  • the load control information is a resource including multiple resource attributes.
  • the load control information includes at least one of the following information:
  • the congestion level of the service provider NF The congestion level of the service provider NF
  • the load control strategy of at least one service provided by the service provider NF is not limited.
  • the service request message is a service request of any service call by the service user NF to any service provided by the service provider NF;
  • the service response message is the service response of the service provider NF to the service request message of any service invocation of any service sent by the service user NF.
  • Some embodiments of the present disclosure also provide a service provider NF, including a processor and a transceiver, and the processor is configured to control the transceiver to perform the following processes:
  • processor is also used for:
  • the load control information is stored on the service provider NF, or the load control information is stored on other network entities.
  • the network entity storing the load control information can provide the resource address of the load control information.
  • processor is also used for:
  • load control information is created and the resource address of the load control information is generated.
  • the service response message also carries explanatory information used to indicate the resource name and/or usage of the load control information.
  • the resource address of the load control information is located in a resource attribute of the first resource in the service response message
  • the first resource is a resource related to the service request in the service response message, or the first resource is a resource independent of the resource related to the service request in the service response message.
  • processor is also used for:
  • the load control information is updated according to the load control information of the service provider NF and/or the load control information of at least one service provided by the service provider NF.
  • the load control information is a resource including multiple resource attributes.
  • the load control information includes at least one of the following information:
  • the congestion level of the service provider NF The congestion level of the service provider NF
  • the load control strategy of at least one service provided by the service provider NF is not limited.
  • the service request message is a service request of any service call by the service user NF to any service provided by the service provider NF;
  • the service response message is the service response of the service provider NF to the service request message of any service invocation of any service sent by the service user NF.
  • Some embodiments of the present disclosure also provide a service user NF, including a processor and a transceiver, and the transceiver is configured to perform the following processes:
  • the processor is used to perform the following process:
  • the load control information is acquired.
  • processor is also used to perform the following process:
  • the flow control of the service request message to the service provider NF is triggered according to the load control information.
  • processor is also used for:
  • the load control information is obtained from a network entity that stores the load control information.
  • the service response message also carries explanatory information used to indicate the resource name and/or usage of the load control information.
  • the resource address of the load control information is located in a resource attribute of the first resource in the service response message
  • the first resource is a resource related to a service request in the service response message, or the first resource is a resource independent of a resource related to the service request in the service response message.
  • the load control information is a resource including multiple resource attributes.
  • the load control information includes at least one of the following information:
  • the congestion level of the service provider NF The congestion level of the service provider NF
  • the load control strategy of at least one service provided by the service provider NF is not limited.
  • the service request message is a service request of any service call by the service user NF to any service provided by the service provider NF;
  • the service response message is the service response of the service provider NF to the service request message of any service invocation of any service sent by the service user NF.
  • Some embodiments of the present disclosure also provide a network module NF, including a memory, a processor, and a program stored on the memory and capable of running on the processor; wherein, when the processor executes the program, The load control method described above.
  • Some embodiments of the present disclosure also provide a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the steps in the load control method described above are implemented.
  • the service provider NF when the service provider NF receives the service request message of the service user NF, it passes the resource address of the load control information through the current service The response message is sent to the service user NF.
  • Some embodiments of the present disclosure carry the resource address of the load control information in the service response message.
  • the limitation problem of the load control can be superimposed on the general end-to-end load control mechanism when the service is called.
  • it avoids the expansion of a large number of complex parameters in the HTTP protocol, which is conducive to the flexible expansion of load control information and avoids compatibility problem.
  • Figure 1 shows a flow chart of the steps of a load control method applied to a service provider NF provided by some embodiments of the present disclosure
  • FIG. 2 shows one of the schematic diagrams of obtaining load control information in the load control method provided by some embodiments of the present disclosure
  • FIG. 3 shows the second schematic diagram of the acquisition process of load control information in the load control method provided by some embodiments of the present disclosure
  • FIG. 4 shows a schematic diagram of a manner in which a resource address of load control information is carried in a service response message in a load control method provided by some embodiments of the present disclosure
  • Figure 5 shows a flow chart of the steps of a load control method applied to a service user NF provided by some embodiments of the present disclosure
  • FIG. 6 shows a schematic diagram of the structure of a service provider NF provided by some embodiments of the present disclosure.
  • FIG. 7 shows a schematic diagram of the structure of a service user NF provided by some embodiments of the present disclosure.
  • some embodiments of the present disclosure provide a load control method applied to a service provider network function NF, including:
  • Step 11 Receive the service request message sent by the service user NF;
  • Step 12 Send a service response message to the service user NF, and the service response message carries the resource address of the load control information.
  • the service provider NF may also be an HTTP server or other network nodes capable of performing the same operation, which is not specifically limited here.
  • the service response message (including success and failure) carries the resource address of the load control information.
  • the resource address of the load control information is a resource address in a URI (Uniform Resource Identifier) format.
  • URI Uniform Resource Identifier
  • the load control information is a resource including multiple resource attributes; or, the load control information is a structured resource, and the structured resource may include resource attributes of different levels.
  • the method further includes:
  • the load control information created by the service provider NF may be stored on the service provider NF, or the load control information may be stored on other network entities. In the case where the load control information is stored on another network entity, the network entity storing the load control information can provide the resource address of the load control information.
  • the load control information created by the service provider NF is on the service provider NF, and URI#1 is the resource address of the load control information.
  • the service provider NF carries the resource address (ie app resource,_link:URI#1 in Figure 2) in the service response message, and the service user NF obtains load control information from the service provider NF according to the resource address and implements load control.
  • the load control information resource created by the service provider NF is located in the load control information storage entity.
  • the resource address of the load control information is provided by the load control information storage entity.
  • the service provider NF After the service provider NF obtains the resource address of the load control information (URI#1 is the resource address of the load control information), the service provider NF carries the resource address in the service response message (ie, app resource,_link:URI# in Figure 2). 1) The service user NF obtains load control information from the load control information storage entity according to the resource address and implements load control.
  • the creating load control information and generating the resource address of the load control information includes:
  • load control information is created and the resource address of the load control information is generated.
  • the service provider NF can generate load control information and resource addresses after it starts running, or when its load or the load of a certain service meets a certain end-to-end load control threshold or After the congestion level, load control information and resource addresses are generated.
  • the service response message further carries descriptive information used to indicate the resource name and/or usage of the load control information.
  • the resource address of the load control information carried in the service response message by the service provider NF can also carry descriptive information for the load control information, and can indicate the resource name and/or purpose.
  • the resource address of the load control information is located in a resource attribute of the first resource in the service response message
  • the first resource is a resource related to a service request in the service response message, or the first resource is a resource independent of a resource related to the service request in the service response message.
  • the resource address of the load control information carried in the service response message by the service provider NF can be located in a resource attribute of the original resource in the service response message; it can also be located in a specific resource independent of the original resource. Resource properties.
  • _link: ⁇ is a resource attribute of the APP resource, which carries href and relation parameters, href indicates the resource address URI of the load control information, and relation indicates the purpose of the resource corresponding to the resource address ( OCI: overload control information, load control information).
  • the method further includes:
  • the load control information is updated according to the load control information of the service provider NF and/or the load control information of at least one service provided by the service provider NF.
  • the load control information includes at least one of the following information:
  • the congestion level of the service provider NF The congestion level of the service provider NF
  • the load control strategy of the service provider NF for example, predefined business priority, service priority, etc.;
  • the load control strategy of at least one service provided by the service provider NF such as service operation priority.
  • the above information included in the load control information is used as a resource attribute of the load control information.
  • the service request message is a service request of any service call by the service user NF to any service provided by the service provider NF;
  • the service response message is the service response of the service provider NF to the service request message of any service invocation of any service sent by the service user NF.
  • the service response message carries multiple resource addresses of load control information; the service response message also carries: indication information that respectively matches the resource addresses of the multiple load control information, so The indication information is used to indicate the applicable conditions of the load control information corresponding to the resource address.
  • the indication information may indicate the load control logic of the load control information corresponding to the resource address.
  • the end-to-end load control logic is instructed by the service provider NF, which can avoid the mismatch between the service user NF's local policy and the service provider NF policy, and better satisfy the service provision The load control requirements of NF.
  • the service response message also carries:
  • the service names and service operations respectively corresponding to the resource addresses of the multiple load control information are used to indicate to the service user NF the service calls that can be executed subsequently.
  • the service provider NF instructs the load control logic by providing resource addresses of different load control information and their applicable conditions.
  • the service response message may also include the service name and service operation, indicating to the service user NF the service call that can be executed subsequently and the resource address involved.
  • the service provider NF when the service provider NF receives the service request message of the service user NF, it sends the resource address of the load control information to the service user NF through the current service response message.
  • This disclosure By carrying the resource address of the load control information in the service response message in some embodiments, on the one hand, it solves the limitation problem of the related HTTP protocol that cannot perform different operations on multiple resources in a service call, and can be superimposed on the general service call.
  • the end-to-end load control mechanism in the HTTP protocol on the other hand, avoids the need to extend a large number of complex parameters in the HTTP protocol, which is conducive to the flexible expansion of load control information and avoids compatibility issues.
  • the end-to-end load control logic is also indicated by the service provider NF, which can avoid the inconsistency between the local policy of the service user NF and the policy of the service provider NF, and better satisfy the service The load control requirements of the provider NF.
  • some embodiments of the present disclosure also provide a load control method applied to the service user network function NF, including:
  • Step 21 Send a service request message to the service provider NF;
  • Step 22 Receive a service response message sent by the service provider NF, where the service response message carries a resource address of load control information;
  • Step 23 Obtain load control information according to the resource address of the load control information.
  • the resource address of the load control information is sent to the service user NF through the current service response message, and the service user NF receives After reaching the resource address of the load control information, the load control information is obtained according to the resource address of the load control information.
  • the service user NF may also be an HTTP client or other network node capable of performing the same operation, and it is not specifically limited here.
  • the service response message (including success and failure) carries the resource address of the load control information.
  • the resource address of the load control information is a resource address in a URI (Uniform Resource Identifier) format.
  • URI Uniform Resource Identifier
  • the load control information is a resource that includes multiple resource attributes; or, the load control information is a structured resource, and the structured resource may include resource attributes of different levels.
  • the method further includes:
  • the service user NF receives the resource address of the load control information from the service response message, obtains the load control information of the service provider NF according to the resource address, and triggers the flow of service request messages to the service provider NF according to the load control information. control.
  • the load control information created by the service user NF may be stored on the service provider NF, or the load control information may be stored on other network entities. In the case that the load control information is stored on another network entity, the network entity storing the load control information can provide the resource address of the load control information.
  • step 23 includes:
  • the load control information is obtained from a network entity that stores the load control information.
  • the service response message further carries descriptive information used to indicate the resource name and/or usage of the load control information.
  • the resource address of the load control information carried in the service response message by the service provider NF may also carry descriptive information for the load control information, and may indicate the resource name and/or usage.
  • the resource address of the load control information is located in a resource attribute of the first resource in the service response message
  • the first resource is a resource related to a service request in the service response message, or the first resource is a resource independent of a resource related to the service request in the service response message.
  • the resource address of the load control information carried in the service response message by the service provider NF can be located in a resource attribute of the original resource in the service response message; it can also be located in a specific resource independent of the original resource. Resource properties.
  • the load control information includes at least one of the following information:
  • the congestion level of the service provider NF The congestion level of the service provider NF
  • the load control strategy of at least one service provided by the service provider NF is not limited.
  • the above-mentioned information included in the load control information is used as a resource attribute of the load control information.
  • the service request message is a service request of any service call by the service user NF to any service provided by the service provider NF;
  • the service response message is the service response of the service provider NF to the service request message of any service invocation of any service sent by the service user NF.
  • the service response message carries multiple resource addresses of load control information; the service response message also carries: indication information that respectively matches the resource addresses of the multiple load control information, so The indication information is used to indicate the applicable conditions of the load control information corresponding to the resource address.
  • the indication information may indicate the load control logic of the load control information corresponding to the resource address.
  • the end-to-end load control logic is instructed by the service provider NF, which can avoid the mismatch between the service user NF's local policy and the service provider NF policy, and better satisfy the service provision NF’s load control requirements.
  • the service response message also carries:
  • the service names and service operations respectively corresponding to the resource addresses of the multiple load control information are used to indicate to the service user NF the service calls that can be executed subsequently.
  • the service provider NF instructs the load control logic by providing resource addresses of different load control information and their applicable conditions.
  • the service response message may also include the service name and service operation, indicating to the service user NF the service call that can be executed subsequently and the resource address involved.
  • the method further includes: performing subsequent service invocations according to the service name, service operation, and resource address carried in the service response message.
  • the service user NF After the service user NF receives the resource address list and applicable conditions of the load control information, it obtains the load control information according to the applicable conditions and resource addresses; at the same time, it executes subsequent service calls according to the service name and service operation.
  • the service provider NF when the service provider NF receives the service request message from the service user NF, it sends the resource address of the load control information to the service user NF through the current service response message, and the service uses After the NF receives the resource address of the load control information, it obtains the load control information according to the resource address of the load control information; some embodiments of the present disclosure carry the resource address of the load control information in the service response message, which solves the problem on the one hand.
  • the HTTP protocol it is impossible to perform different operations on multiple resources in a service call.
  • a general end-to-end load control mechanism can be superimposed when the service is called.
  • the end-to-end load control logic is also indicated by the service provider NF, which can avoid the inconsistency between the local policy of the service user NF and the policy of the service provider NF, and better satisfy the service The load control requirements of the provider NF.
  • some embodiments of the present disclosure also provide a service provider NF, including a processor 300 and a transceiver 310, and the processor 300 is configured to control the transceiver 310 to perform the following processes:
  • a service response message is sent to the service user NF, and the service response message carries the resource address of the load control information.
  • the processor 300 is further configured to:
  • the load control information is stored on the service provider NF, or the load control information is stored on other network entities.
  • the network entity storing the load control information can provide the resource address of the load control information.
  • the processor 300 is further configured to:
  • load control information is created and the resource address of the load control information is generated.
  • the service response message further carries explanatory information used to indicate the resource name and/or usage of the load control information.
  • the resource address of the load control information is located in a resource attribute of the first resource in the service response message
  • the first resource is a resource related to a service request in the service response message, or the first resource is a resource independent of a resource related to the service request in the service response message.
  • the processor 300 is further configured to:
  • the load control information is updated according to the load control information of the service provider NF and/or the load control information of at least one service provided by the service provider NF.
  • the load control information is a resource including multiple resource attributes.
  • the load control information includes at least one of the following information:
  • the congestion level of the service provider NF The congestion level of the service provider NF
  • the load control strategy of at least one service provided by the service provider NF is not limited.
  • the service request message is a service request of any service invocation of any service provided by the service provider NF by the service user NF;
  • the service response message is the service response of the service provider NF to the service request message of any service invocation of any service sent by the service user NF.
  • the service provider NF when the service provider NF receives the service request message of the service user NF, it sends the resource address of the load control information to the service user NF through the current service response message.
  • This disclosure By carrying the resource address of the load control information in the service response message in some embodiments, on the one hand, it solves the limitation problem of the related HTTP protocol that cannot perform different operations on multiple resources in a service call, and can be superimposed on the general service call.
  • the end-to-end load control mechanism in the HTTP protocol on the other hand, avoids the need to extend a large number of complex parameters in the HTTP protocol, which is conducive to the flexible expansion of load control information and avoids compatibility issues.
  • the end-to-end load control logic is also indicated by the service provider NF, which can avoid the inconsistency between the local policy of the service user NF and the policy of the service provider NF, and better satisfy the service The load control requirements of the provider NF.
  • the service provider NF provided by some embodiments of the present disclosure is a service provider NF capable of executing the above-mentioned load control method, and all embodiments of the above-mentioned load control method are applicable to the service provider NF, and all Can achieve the same or similar beneficial effects.
  • Some embodiments of the present disclosure also provide a base station, including a memory, a processor, and a program stored in the memory and capable of running on the processor.
  • the processor implements the above-mentioned program when the program is executed. It is applied to the various processes in the embodiment of the load control method of the service provider NF, and can achieve the same technical effect. In order to avoid repetition, it will not be repeated here.
  • Some embodiments of the present disclosure also provide a computer-readable storage medium on which a computer program is stored.
  • the program is executed by a processor, each of the above-mentioned load control method embodiments applied to the service provider NF is realized. Process, and can achieve the same technical effect, in order to avoid repetition, I will not repeat it here.
  • the computer readable storage medium such as read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disk or optical disk, etc.
  • some embodiments of the present disclosure also provide a service user NF, including a processor 400 and a transceiver 410, and the transceiver 410 is configured to perform the following processes:
  • the processor 400 is configured to execute the following processes:
  • the load control information is acquired.
  • the processor 400 is further configured to execute the following process:
  • the processor 400 is further configured to:
  • the load control information is obtained from a network entity that stores the load control information.
  • the service response message further carries explanatory information used to indicate the resource name and/or usage of the load control information.
  • the resource address of the load control information is located in a resource attribute of the first resource in the service response message
  • the first resource is a resource related to a service request in the service response message, or the first resource is a resource independent of a resource related to the service request in the service response message.
  • the load control information is a resource including multiple resource attributes.
  • the load control information includes at least one of the following information:
  • the congestion level of the service provider NF The congestion level of the service provider NF
  • the load control strategy of at least one service provided by the service provider NF is not limited.
  • the service request message is a service request of any service invocation of any service provided by the service provider NF by the service user NF;
  • the service response message is the service response of the service provider NF to the service request message of any service invocation of any service sent by the service user NF.
  • the service provider NF when the service provider NF receives the service request message from the service user NF, it sends the resource address of the load control information to the service user NF through the current service response message, and the service uses After the NF receives the resource address of the load control information, it obtains the load control information according to the resource address of the load control information; some embodiments of the present disclosure carry the resource address of the load control information in the service response message, which solves the problem on the one hand.
  • the HTTP protocol it is impossible to perform different operations on multiple resources in a service call.
  • a general end-to-end load control mechanism can be superimposed when the service is called.
  • the end-to-end load control logic is also indicated by the service provider NF, which can avoid the inconsistency between the local policy of the service user NF and the policy of the service provider NF, and better satisfy the service The load control requirements of the provider NF.
  • the service user NF provided by some embodiments of the present disclosure is a service user NF capable of executing the above-mentioned load control method, and all the embodiments of the above-mentioned load control method are applicable to the service user NF, and all Can achieve the same or similar beneficial effects.
  • Some embodiments of the present disclosure also provide a base station, including a memory, a processor, and a program stored in the memory and capable of running on the processor.
  • the processor implements the above-mentioned program when the program is executed.
  • Some embodiments of the present disclosure also provide a computer-readable storage medium on which a computer program is stored.
  • the program is executed by a processor, each of the above-mentioned load control method embodiments applied to the service user NF is realized. Process, and can achieve the same technical effect, in order to avoid repetition, I will not repeat it here.
  • the computer readable storage medium such as read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disk or optical disk, etc.
  • the embodiments of the present application can be provided as methods, systems, or computer program products. Therefore, this application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present application may adopt the form of a computer program product implemented on one or more computer-readable storage media (including but not limited to disk storage, optical storage, etc.) containing computer-usable program codes.
  • a computer-readable storage media including but not limited to disk storage, optical storage, etc.
  • modules, units, sub-modules, sub-units, etc. can be implemented in one or more application specific integrated circuits (ASICs), digital signal processors (Digital Signal Processing, DSP), digital signal processing equipment ( DSP Device, DSPD), Programmable Logic Device (PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, Other electronic units or combinations thereof that perform the functions described in this application.
  • ASICs application specific integrated circuits
  • DSP Digital Signal Processing
  • DSP Device digital signal processing equipment
  • PLD Programmable Logic Device
  • Field-Programmable Gate Array Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the technology described in some embodiments of the present disclosure can be implemented by modules (for example, procedures, functions, etc.) that perform the functions described in some embodiments of the present disclosure.
  • the software codes can be stored in the memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • the purpose of the present disclosure can also be realized by running a program or a group of programs on any computing device.
  • the computing device may be a well-known general-purpose device. Therefore, the purpose of the present disclosure can also be achieved only by providing a program product containing program code for implementing the method or device. That is, such a program product also constitutes the present disclosure, and a storage medium storing such a program product also constitutes the present disclosure.
  • the storage medium may be any well-known storage medium or any storage medium developed in the future. It should also be pointed out that, in the device and method of the present disclosure, obviously, each component or each step can be decomposed and/or recombined.
  • These computer program instructions can also be stored in a computer-readable storage medium that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable storage medium produce paper products including instruction devices,
  • the instruction device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that the computer or other programmable equipment executes a series of operation steps to produce computer-implemented processing, thereby executing instructions on the computer or other scientific programming equipment Provides steps for realizing the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

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Abstract

本公开提供一种负荷控制方法、服务提供者NF及服务使用者NF,该方法包括:接收服务使用者NF发送的服务请求消息;向所述服务使用者NF发送服务响应消息,所述服务响应消息中携带负荷控制信息的资源地址。

Description

负荷控制方法、服务提供者NF及服务使用者NF
相关申请的交叉引用
本申请主张在2019年5月9日在中国提交的中国专利申请号No.201910384598.1的优先权,其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域,尤其是指一种负荷控制方法及负荷控制方法、服务提供者NF及服务使用者NF。
背景技术
5G核心网采用服务化接口,各网络功能(Network Function,NF)之间的服务调用面向资源设计,每个服务只能针对一个资源进行特定操作。
5G核心网采用服务化架构,各NF之间的接口采用服务化接口。5G服务化接口已经明确使用HTTP(HyperText Transfer Protocol,超文本传输协议)/2+TCP(Transmission Control Protocol,传输控制协议)协议。NF之间采用服务调用的通信机制,利用HTTP实现,和P2P(peer-to-peer,点对点)的消息通信机制不同。API(Application Programming Interface,应用程序编程接口)设计风格采用REST(Representational State Transfer,表述性状态传递),面向资源,需要考虑:
对给定资源的操作(创建、读取、更新、删除)以及所支持的HTTP方法(客户端希望服务器对资源执行的处理)。
每个服务被调用时,对资源的操作/HTTP方法和这个服务所实现的特定业务流程相关,且只能针对一个资源进行特定的操作,该资源以及特定操作依据上层应用逻辑设计。
5G NF之间信令互通在核心网控制面。在NF故障或发生地质灾害等突发事件的场景下,用户可能触发大量附着、会话建立、呼叫路由查询流程,产生信令风暴。为进行端到端负荷控制,服务提供者NF需要将自己的负荷状态以及控制策略实时报告给各个服务使用者NF。负荷控制信息过程与具体 接口和具体服务无关。
相关技术中,服务提供者NF向相关的服务使用者NF报告自己的负荷状态通过NRF(Network Repository Function,网络服务发现功能)订阅/通知机制实现。即服务使用者NF需要向NRF订阅服务提供者NF的负荷状态,服务提供者NF需要向NRF注册该NF的负荷状态以及该NF上所有服务的负荷状态,并进行更新。存在以下问题:
1.端到端负荷控制需要传递服务提供者NF的负荷控制信息,包含NF的负荷信息、拥塞等级、负荷控制算法、负荷控制有效期等,内容复杂且存在灵活扩展需求。但NF的注册信息中针对负荷状态只支持容量(capacity)一个参数,而且只适用于服务使用者在服务发现和NF选择时使用,不能实现端到端流量调整等控制机制。
2.负荷状态更新流程、通知流程涉及NRF,且需要检测NF的订阅事件,实时性差,且不能定向通知到导致某个服务的使用者减少服务请求数量。
3.HTTP基础协议也不支持在头部参数中携带负荷控制信息,如采用扩展参数的方式支持,需要不断新定义参数,不利于灵活扩展。
发明内容
本公开实施例的目的在于提供一种负荷控制方法、服务提供者NF及服务使用者NF,以解决相关HTTP协议中无法在一个服务调用中对多个资源进行不同操作的限制问题。
为了解决上述问题,本公开的一些实施例提供一种负荷控制方法,应用于服务提供者网络功能NF,包括:
接收服务使用者NF发送的服务请求消息;
向所述服务使用者NF发送服务响应消息,所述服务响应消息中携带负荷控制信息的资源地址。
其中,所述方法还包括:
创建负荷控制信息并生成所述负荷控制信息的资源地址。
其中,所述负荷控制信息存储于所述服务提供者NF上,或者,所述负荷控制信息存储于其他网络实体上。
其中,在所述负荷控制信息存储于其他网络实体上的情况下,
存储所述负荷控制信息的网络实体能够提供所述负荷控制信息的资源地址。
其中,所述创建负荷控制信息并生成所述负荷控制信息的资源地址,包括:
在所述服务提供者NF启动运行后,创建负荷控制信息并生成所述负荷控制信息的资源地址;
或者,
在所述服务提供者NF的负荷满足预设负荷控制门限的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址;
或者,
在所述服务提供者NF的负荷满足预设拥塞等级的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址;
或者,
在所述服务提供者NF所提供的服务的负荷满足预设负荷控制门限的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址;
或者,
在所述服务提供者NF所提供的服务的负荷满足预设拥塞等级的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址。
其中,所述服务响应消息中还携带用于指示所述负荷控制信息的资源名称和/或用途的说明信息。
其中,所述负荷控制信息的资源地址位于所述服务响应消息中第一资源的一个资源属性中;
其中,所述第一资源为所述服务响应消息中的与服务请求相关的资源,或者,所述第一资源为所述服务响应消息中与服务请求相关的资源相独立的一个资源。
其中,所述方法还包括:
根据所述服务提供者NF的负荷控制信息和/或所述服务提供者NF所提供的至少一个服务的负荷控制信息,对所述负荷控制信息进行更新。
其中,所述负荷控制信息为包含多个资源属性的资源。
其中,所述负荷控制信息包括下述至少一项信息:
服务提供者NF的负荷信息;
服务提供者NF的拥塞等级;
服务提供者NF的负荷控制算法;
服务提供者NF的负荷控制有效期;
服务提供者NF的负荷控制策略;
服务提供者NF所提供的至少一个服务的负荷信息;
服务提供者NF所提供的至少一个服务的拥塞等级;
服务提供者NF所提供的至少一个服务的负荷控制算法;
服务提供者NF所提供的至少一个服务的负荷控制有效期;
服务提供者NF所提供的至少一个服务的负荷控制策略。
其中,所述服务请求消息为服务使用者NF对服务提供者NF提供的任一服务的任意一次服务调用的服务请求;
所述服务响应消息为服务提供者NF对服务使用者NF发送的任一服务的任意一次服务调用的服务请求消息的服务响应。
本公开的一些实施例还提供一种负荷控制方法,应用于服务使用者网络功能NF,包括:
向服务提供者NF发送服务请求消息;
接收所述服务提供者NF发送的服务响应消息,所述服务响应消息中携带负荷控制信息的资源地址;
根据所述负荷控制信息的资源地址,获取负荷控制信息。
其中,所述方法还包括:
根据所述负荷控制信息触发到所述服务提供者NF的服务请求消息的流控。
其中,根据所述负荷控制信息的资源地址,获取负荷控制信息,包括:
根据所述负荷控制信息的资源地址,从所述服务提供者NF上获取所述负荷控制信息;
或者,
根据所述负荷控制信息的资源地址,从存储所述负荷控制信息的网络实体上获取所述负荷控制信息。
其中,所述服务响应消息中还携带用于指示所述负荷控制信息的资源名称和/或用途的说明信息。
其中,所述负荷控制信息的资源地址位于所述服务响应消息中第一资源的一个资源属性中;
其中,所述第一资源为所述服务响应消息中的与服务请求相关的资源,或者,所述第一资源为所述服务响应消息中与服务请求相关的资源相独立的一个资源。
其中,所述负荷控制信息为包含多个资源属性的资源。
其中,所述负荷控制信息包括下述至少一项信息:
服务提供者NF的负荷信息;
服务提供者NF的拥塞等级;
服务提供者NF的负荷控制算法;
服务提供者NF的负荷控制有效期;
服务提供者NF的负荷控制策略;
服务提供者NF所提供的至少一个服务的负荷信息;
服务提供者NF所提供的至少一个服务的拥塞等级;
服务提供者NF所提供的至少一个服务的负荷控制算法;
服务提供者NF所提供的至少一个服务的负荷控制有效期;
服务提供者NF所提供的至少一个服务的负荷控制策略。
其中,所述服务请求消息为服务使用者NF对服务提供者NF提供的任一服务的任意一次服务调用的服务请求;
所述服务响应消息为服务提供者NF对服务使用者NF发送的任一服务的任意一次服务调用的服务请求消息的服务响应。
本公开的一些实施例还提供一种服务提供者NF,包括处理器和收发器,所述处理器用于控制所述收发器执行如下过程:
接收服务使用者NF发送的服务请求消息;
向所述服务使用者NF发送服务响应消息,所述服务响应消息中携带负 荷控制信息的资源地址。
其中,所述处理器还用于:
创建负荷控制信息并生成所述负荷控制信息的资源地址。
其中,所述负荷控制信息存储于所述服务提供者NF上,或者,所述负荷控制信息存储于其他网络实体上。
其中,在所述负荷控制信息存储于其他网络实体上的情况下,
存储所述负荷控制信息的网络实体能够提供所述负荷控制信息的资源地址。
其中,所述处理器还用于:
在所述服务提供者NF启动运行后,创建负荷控制信息并生成所述负荷控制信息的资源地址;
或者,
在所述服务提供者NF的负荷满足预设负荷控制门限的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址;
或者,
在所述服务提供者NF的负荷满足预设拥塞等级的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址;
或者,
在所述服务提供者NF所提供的服务的负荷满足预设负荷控制门限的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址;
或者,
在所述服务提供者NF所提供的服务的负荷满足预设拥塞等级的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址。
其中,所述服务响应消息中还携带用于指示所述负荷控制信息的资源名称和/或用途的说明信息。
其中,所述负荷控制信息的资源地址位于所述服务响应消息中第一资源的一个资源属性中;
其中,所述第一资源为所述服务响应消息中的与服务请求相关的资源,或者,所述第一资源为所述服务响应消息中与服务请求相关的资源相独立的 一个资源。
其中,所述处理器还用于:
根据所述服务提供者NF的负荷控制信息和/或所述服务提供者NF所提供的至少一个服务的负荷控制信息,对所述负荷控制信息进行更新。
其中,所述负荷控制信息为包含多个资源属性的资源。
其中,所述负荷控制信息包括下述至少一项信息:
服务提供者NF的负荷信息;
服务提供者NF的拥塞等级;
服务提供者NF的负荷控制算法;
服务提供者NF的负荷控制有效期;
服务提供者NF的负荷控制策略;
服务提供者NF所提供的至少一个服务的负荷信息;
服务提供者NF所提供的至少一个服务的拥塞等级;
服务提供者NF所提供的至少一个服务的负荷控制算法;
服务提供者NF所提供的至少一个服务的负荷控制有效期;
服务提供者NF所提供的至少一个服务的负荷控制策略。
其中,所述服务请求消息为服务使用者NF对服务提供者NF提供的任一服务的任意一次服务调用的服务请求;
所述服务响应消息为服务提供者NF对服务使用者NF发送的任一服务的任意一次服务调用的服务请求消息的服务响应。
本公开的一些实施例还提供一种服务使用者NF,包括处理器和收发器,所述收发器用于执行如下过程:
向服务提供者NF发送服务请求消息;
接收所述服务提供者NF发送的服务响应消息,所述服务响应消息中携带负荷控制信息的资源地址;
所述处理器用于执行如下过程:
根据所述负荷控制信息的资源地址,获取负荷控制信息。
其中,所述处理器还用于执行如下过程:
根据所述负荷控制信息触发到所述服务提供者NF的服务请求消息的流 控。
其中,所述处理器还用于:
根据所述负荷控制信息的资源地址,从所述服务提供者NF上获取所述负荷控制信息;
或者,
根据所述负荷控制信息的资源地址,从存储所述负荷控制信息的网络实体上获取所述负荷控制信息。
其中,所述服务响应消息中还携带用于指示所述负荷控制信息的资源名称和/或用途的说明信息。
其中,所述负荷控制信息的资源地址位于所述服务响应消息中第一资源的一个资源属性中;
其中,所述第一资源为所述服务响应消息中的与服务请求相关的资源,或者,所述第一资源为所述服务响应消息中与服务请求相关的资源相独立的一个资源。
其中,所述负荷控制信息为包含多个资源属性的资源。
其中,所述负荷控制信息包括下述至少一项信息:
服务提供者NF的负荷信息;
服务提供者NF的拥塞等级;
服务提供者NF的负荷控制算法;
服务提供者NF的负荷控制有效期;
服务提供者NF的负荷控制策略;
服务提供者NF所提供的至少一个服务的负荷信息;
服务提供者NF所提供的至少一个服务的拥塞等级;
服务提供者NF所提供的至少一个服务的负荷控制算法;
服务提供者NF所提供的至少一个服务的负荷控制有效期;
服务提供者NF所提供的至少一个服务的负荷控制策略。
其中,所述服务请求消息为服务使用者NF对服务提供者NF提供的任一服务的任意一次服务调用的服务请求;
所述服务响应消息为服务提供者NF对服务使用者NF发送的任一服务的 任意一次服务调用的服务请求消息的服务响应。
本公开的一些实施例还提供一种网络模块NF,包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序;其中,所述处理器执行所述程序时实现如上所述的负荷控制方法。
本公开的一些实施例还提供一种计算机可读存储介质,其上存储有计算机程序,该程序被处理器执行时实现如上所述的负荷控制方法中的步骤。
本公开的上述技术方案至少具有如下有益效果:
本公开的一些实施例的负荷控制方法、服务提供者NF以及服务使用者NF中,服务提供者NF在收到服务使用者NF的服务请求消息时,将负荷控制信息的资源地址通过当前的服务响应消息发送给服务使用者NF,本公开的一些实施例通过在服务响应消息中携带负荷控制信息的资源地址,一方面解决了相关HTTP协议中无法在一个服务调用中对多个资源进行不同操作的限制问题,可以在服务调用时叠加通用的端到端负荷控制机制,另一方面避免在HTTP协议中扩展数量较多、类型复杂的参数,有利于对负荷控制信息的灵活扩展且避免兼容性问题。
附图说明
图1表示本公开的一些实施例提供的应用于服务提供者NF的负荷控制方法的步骤流程图;
图2表示本公开的一些实施例提供的负荷控制方法中负荷控制信息的获取流程示意图之一;
图3表示本公开的一些实施例提供的负荷控制方法中负荷控制信息的获取流程示意图之二;
图4表示本公开的一些实施例提供的负荷控制方法中服务响应消息中携带负荷控制信息的资源地址的方式示意图;
图5表示本公开的一些实施例提供的应用于服务使用者NF的负荷控制方法的步骤流程图;
图6表示本公开的一些实施例提供的服务提供者NF的结构示意图;以及
图7表示本公开的一些实施例提供的服务使用者NF的结构示意图。
具体实施方式
为使本公开要解决的技术问题、技术方案和优点更加清楚,下面将结合附图及具体实施例进行详细描述。
如图1所示,本公开的一些实施例提供一种负荷控制方法,应用于服务提供者网络功能NF,包括:
步骤11,接收服务使用者NF发送的服务请求消息;
步骤12,向所述服务使用者NF发送服务响应消息,所述服务响应消息中携带负荷控制信息的资源地址。
其中,该服务提供者NF也可以是HTTP服务器或者其他能够执行相同操作的网络节点,在此不做具体限定。
可选的,服务提供者NF启动端到端负荷控制后,当收到服务使用者NF的服务请求消息,在服务响应消息(包括成功、失败的)中携带负荷控制信息的资源地址。
可选的,负荷控制信息的资源地址是URI(Uniform Resource Identifier,统一资源标识符)格式的资源地址。
可选的,所述负荷控制信息为包含多个资源属性的资源;或者,所述负荷控制信息为一个结构化资源,该结构化资源可以包含不同级别的资源属性。
作为一个可选实施例,所述方法还包括:
创建负荷控制信息并生成所述负荷控制信息的资源地址。
其中,服务提供者NF创建的所述负荷控制信息可以存储于所述服务提供者NF上,或者,所述负荷控制信息存储于其他网络实体上。在所述负荷控制信息存储于其他网络实体上的情况下,存储所述负荷控制信息的网络实体能够提供所述负荷控制信息的资源地址。
例如,如图2所示,服务提供者NF创建的负荷控制信息在服务提供者NF上,URI#1是负荷控制信息的资源地址。服务提供者NF在服务响应消息中携带资源地址(即图2中的app resource,_link:URI#1),服务使用者NF根据资源地址去服务提供者NF上获取负荷控制信息并实施负荷控制。
如图3所示,服务提供者NF创建的负荷控制信息资源位于负荷控制信息存储实体。负荷控制信息的资源地址由负荷控制信息存储实体提供。服务提供者NF获取负荷控制信息的资源地址后(URI#1是负荷控制信息的资源地址),服务提供者NF在服务响应消息中携带资源地址(即图2中的app resource,_link:URI#1),服务使用者NF根据资源地址去负荷控制信息存储实体上获取负荷控制信息并实施负荷控制。
进一步的,所述创建负荷控制信息并生成所述负荷控制信息的资源地址,包括:
在所述服务提供者NF启动运行后,创建负荷控制信息并生成所述负荷控制信息的资源地址;
或者,
在所述服务提供者NF的负荷满足预设负荷控制门限的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址;
或者,
在所述服务提供者NF的负荷满足预设拥塞等级的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址;
或者,
在所述服务提供者NF所提供的服务的负荷满足预设负荷控制门限的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址;
或者,
在所述服务提供者NF所提供的服务的负荷满足预设拥塞等级的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址。
简言之,服务提供者NF可以在启动运行后就生成负荷控制信息及资源地址,也可以在信令风暴冲击时在其负荷或其某个服务的负荷满足一定的端到端负荷控制门限或拥塞等级后生成负荷控制信息及资源地址。
作为一个可选实施例,所述服务响应消息中还携带用于指示所述负荷控制信息的资源名称和/或用途的说明信息。
换言之,服务提供者NF在服务响应消息中携带的负荷控制信息的资源地址,同时还可以携带对负荷控制信息的说明信息,可以指示资源名称和/ 或用途。
作为另一个可选实施例,所述负荷控制信息的资源地址位于所述服务响应消息中第一资源的一个资源属性中;
其中,所述第一资源为所述服务响应消息中的与服务请求相关的资源,或者,所述第一资源为所述服务响应消息中与服务请求相关的资源相独立的一个资源。
换言之,服务提供者NF在服务响应消息中携带的负荷控制信息的资源地址可以位于该服务响应消息中原有资源的一个资源属性里;也可以位于与原有资源相独立的一个特定的资源的一个资源属性里。
例如,如图4所示,_link:{}为APP资源的一个资源属性,携带了href和relation参数,href指示了负荷控制信息的资源地址URI,relation指示了该资源地址对应的资源的用途(OCI:overload control information,负荷控制信息)。
进一步的,服务提供者NF启动端到端负荷控制后,所述方法还包括:
根据所述服务提供者NF的负荷控制信息和/或所述服务提供者NF所提供的至少一个服务的负荷控制信息,对所述负荷控制信息进行更新。
可选的,所述负荷控制信息包括下述至少一项信息:
服务提供者NF的负荷信息;
服务提供者NF的拥塞等级;
服务提供者NF的负荷控制算法;
服务提供者NF的负荷控制有效期;
服务提供者NF的负荷控制策略;例如预定义的业务优先级、服务优先级等;
服务提供者NF所提供的至少一个服务的负荷信息;
服务提供者NF所提供的至少一个服务的拥塞等级;
服务提供者NF所提供的至少一个服务的负荷控制算法;
服务提供者NF所提供的至少一个服务的负荷控制有效期;
服务提供者NF所提供的至少一个服务的负荷控制策略,例如服务操作优先级等。
需要说明的是,所述负荷控制信息包含的上述信息作为所述负荷控制信息的资源属性。
进一步需要说明的是,所述服务请求消息为服务使用者NF对服务提供者NF提供的任一服务的任意一次服务调用的服务请求;
所述服务响应消息为服务提供者NF对服务使用者NF发送的任一服务的任意一次服务调用的服务请求消息的服务响应。
作为一个可选实施例,所述服务响应消息中携带多个负荷控制信息的资源地址;所述服务响应消息中还携带:与所述多个负荷控制信息的资源地址分别匹配的指示信息,所述指示信息用于指示与所述资源地址所对应的负荷控制信息的适用条件。具体的,所述指示信息可以指示与资源地址所对应的负荷控制信息的负荷控制逻辑等。
本公开的一些实施例中由服务提供者NF进行端到端负荷控制逻辑的指示,可以避免服务使用者NF的本地策略与服务提供者NF的策略不一致的不匹配问题,更好的满足服务提供者NF的负荷控制需求。
进一步的,所述服务响应消息中还携带:
与所述多个负荷控制信息的资源地址分别对应的服务名称和服务操作,用于向服务使用者NF指示后续可以执行的服务调用。
本公开的一些实施例中,服务提供者NF通过提供不同的负荷控制信息的资源地址以及其适用条件来指示负荷控制逻辑。服务响应消息中还可以包含服务名称和服务操作,向服务使用者NF指示了后续可以执行的服务调用以及涉及的资源地址。
综上,本公开的上述实施例中,服务提供者NF在收到服务使用者NF的服务请求消息时,将负荷控制信息的资源地址通过当前的服务响应消息发送给服务使用者NF,本公开的一些实施例通过在服务响应消息中携带负荷控制信息的资源地址,一方面解决了相关HTTP协议中无法在一个服务调用中对多个资源进行不同操作的限制问题,可以在服务调用时叠加通用的端到端负荷控制机制,另一方面避免在HTTP协议中扩展数量较多、类型复杂的参数,有利于对负荷控制信息的灵活扩展且避免兼容性问题。本公开的一些实施例中还由服务提供者NF进行端到端负荷控制逻辑的指示,可以避免服务使用 者NF的本地策略与服务提供者NF的策略不一致的不匹配问题,更好的满足服务提供者NF的负荷控制需求。
如图5所示,本公开的一些实施例还提供一种负荷控制方法,应用于服务使用者网络功能NF,包括:
步骤21,向服务提供者NF发送服务请求消息;
步骤22,接收所述服务提供者NF发送的服务响应消息,所述服务响应消息中携带负荷控制信息的资源地址;
步骤23,根据所述负荷控制信息的资源地址,获取负荷控制信息。
本公开的一些实施例中,服务提供者NF在收到服务使用者NF的服务请求消息时,将负荷控制信息的资源地址通过当前的服务响应消息发送给服务使用者NF,服务使用者NF收到负荷控制信息的资源地址后,根据负荷控制信息的资源地址去获取负荷控制信息。
其中,该服务使用者NF也可以是HTTP客户机或者其他能够执行相同操作的网络节点,在此不做具体限定。
可选的,服务提供者NF启动端到端负荷控制后,当收到服务使用者NF的服务请求消息,在服务响应消息(包括成功、失败的)中携带负荷控制信息的资源地址。
可选的,负荷控制信息的资源地址是URI(Uniform Resource Identifier,统一资源标识符)格式的资源地址。
可选的,所述负荷控制信息为包含多个资源属性的资源;或者,所述负荷控制信息为一个结构化资源,该结构化资源可以包含不同级别的资源属性。
进一步的,所述方法还包括:
根据所述负荷控制信息触发到所述服务提供者NF的服务请求消息的流控。
换言之,服务使用者NF从服务响应消息中接收到负荷控制信息的资源地址,根据资源地址获取该服务提供者NF的负荷控制信息,根据负荷控制信息触发到服务提供者NF的服务请求消息的流控。
需要说明的是,服务使用者NF创建的所述负荷控制信息可以存储于所述服务提供者NF上,或者,所述负荷控制信息存储于其他网络实体上。在 所述负荷控制信息存储于其他网络实体上的情况下,存储所述负荷控制信息的网络实体能够提供所述负荷控制信息的资源地址。
相应的,步骤23包括:
根据所述负荷控制信息的资源地址,从所述服务提供者NF上获取所述负荷控制信息;
或者,
根据所述负荷控制信息的资源地址,从存储所述负荷控制信息的网络实体上获取所述负荷控制信息。
作为一个可选实施例,所述服务响应消息中还携带用于指示所述负荷控制信息的资源名称和/或用途的说明信息。
换言之,服务提供者NF在服务响应消息中携带的负荷控制信息的资源地址,同时还可以携带对负荷控制信息的说明信息,可以指示资源名称和/或用途。
作为另一个可选实施例,所述负荷控制信息的资源地址位于所述服务响应消息中第一资源的一个资源属性中;
其中,所述第一资源为所述服务响应消息中的与服务请求相关的资源,或者,所述第一资源为所述服务响应消息中与服务请求相关的资源相独立的一个资源。
换言之,服务提供者NF在服务响应消息中携带的负荷控制信息的资源地址可以位于该服务响应消息中原有资源的一个资源属性里;也可以位于与原有资源相独立的一个特定的资源的一个资源属性里。
可选的,所述负荷控制信息包括下述至少一项信息:
服务提供者NF的负荷信息;
服务提供者NF的拥塞等级;
服务提供者NF的负荷控制算法;
服务提供者NF的负荷控制有效期;
服务提供者NF的负荷控制策略;
服务提供者NF所提供的至少一个服务的负荷信息;
服务提供者NF所提供的至少一个服务的拥塞等级;
服务提供者NF所提供的至少一个服务的负荷控制算法;
服务提供者NF所提供的至少一个服务的负荷控制有效期;
服务提供者NF所提供的至少一个服务的负荷控制策略。
需要说明的是,所述负荷控制信息包含的上述信息作为所述负荷控制信息的资源属性。
进一步需要说明的是,所述服务请求消息为服务使用者NF对服务提供者NF提供的任一服务的任意一次服务调用的服务请求;
所述服务响应消息为服务提供者NF对服务使用者NF发送的任一服务的任意一次服务调用的服务请求消息的服务响应。
作为一个可选实施例,所述服务响应消息中携带多个负荷控制信息的资源地址;所述服务响应消息中还携带:与所述多个负荷控制信息的资源地址分别匹配的指示信息,所述指示信息用于指示与所述资源地址所对应的负荷控制信息的适用条件。具体的,所述指示信息可以指示与资源地址所对应的负荷控制信息的负荷控制逻辑等。
本公开的一些实施例中由服务提供者NF进行端到端负荷控制逻辑的指示,可以避免服务使用者NF的本地策略与服务提供者NF的策略不一致的不匹配问题,更好的满足服务提供者NF的负荷控制需求。
进一步的,所述服务响应消息中还携带:
与所述多个负荷控制信息的资源地址分别对应的服务名称和服务操作,用于向服务使用者NF指示后续可以执行的服务调用。
本公开的一些实施例中,服务提供者NF通过提供不同的负荷控制信息的资源地址以及其适用条件来指示负荷控制逻辑。服务响应消息中还可以包含服务名称和服务操作,向服务使用者NF指示了后续可以执行的服务调用以及涉及的资源地址。
相应的,所述方法还包括:根据所述服务响应消息中携带的服务名称、服务操作以及资源地址执行后续的服务调用。
换言之,服务使用者NF收到负荷控制信息的资源地址列表和适用条件后,根据适用条件、资源地址去获取负荷控制信息;同时根据服务名称和服务操作执行后续的服务调用。
综上,本公开的上述实施例中,服务提供者NF在收到服务使用者NF的服务请求消息时,将负荷控制信息的资源地址通过当前的服务响应消息发送给服务使用者NF,服务使用者NF收到负荷控制信息的资源地址后,根据负荷控制信息的资源地址去获取负荷控制信息;本公开的一些实施例通过在服务响应消息中携带负荷控制信息的资源地址,一方面解决了相关HTTP协议中无法在一个服务调用中对多个资源进行不同操作的限制问题,可以在服务调用时叠加通用的端到端负荷控制机制,另一方面避免在HTTP协议中扩展数量较多、类型复杂的参数,有利于对负荷控制信息的灵活扩展且避免兼容性问题。本公开的一些实施例中还由服务提供者NF进行端到端负荷控制逻辑的指示,可以避免服务使用者NF的本地策略与服务提供者NF的策略不一致的不匹配问题,更好的满足服务提供者NF的负荷控制需求。
如图6所示,本公开的一些实施例还提供一种服务提供者NF,包括处理器300和收发器310,所述处理器300用于控制所述收发器310执行如下过程:
接收服务使用者NF发送的服务请求消息;
向所述服务使用者NF发送服务响应消息,所述服务响应消息中携带负荷控制信息的资源地址。
可选的,本公开的上述实施例中,所述处理器300还用于:
创建负荷控制信息并生成所述负荷控制信息的资源地址。
可选的,本公开的上述实施例中,所述负荷控制信息存储于所述服务提供者NF上,或者,所述负荷控制信息存储于其他网络实体上。
可选的,本公开的上述实施例中,在所述负荷控制信息存储于其他网络实体上的情况下,
存储所述负荷控制信息的网络实体能够提供所述负荷控制信息的资源地址。
可选的,本公开的上述实施例中,所述处理器300还用于:
在所述服务提供者NF启动运行后,创建负荷控制信息并生成所述负荷控制信息的资源地址;
或者,
在所述服务提供者NF的负荷满足预设负荷控制门限的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址;
或者,
在所述服务提供者NF的负荷满足预设拥塞等级的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址;
或者,
在所述服务提供者NF所提供的服务的负荷满足预设负荷控制门限的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址;
或者,
在所述服务提供者NF所提供的服务的负荷满足预设拥塞等级的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址。
可选的,本公开的上述实施例中,所述服务响应消息中还携带用于指示所述负荷控制信息的资源名称和/或用途的说明信息。
可选的,本公开的上述实施例中,所述负荷控制信息的资源地址位于所述服务响应消息中第一资源的一个资源属性中;
其中,所述第一资源为所述服务响应消息中的与服务请求相关的资源,或者,所述第一资源为所述服务响应消息中与服务请求相关的资源相独立的一个资源。
可选的,本公开的上述实施例中,所述处理器300还用于:
根据所述服务提供者NF的负荷控制信息和/或所述服务提供者NF所提供的至少一个服务的负荷控制信息,对所述负荷控制信息进行更新。
可选的,本公开的上述实施例中,所述负荷控制信息为包含多个资源属性的资源。
可选的,本公开的上述实施例中,所述负荷控制信息包括下述至少一项信息:
服务提供者NF的负荷信息;
服务提供者NF的拥塞等级;
服务提供者NF的负荷控制算法;
服务提供者NF的负荷控制有效期;
服务提供者NF的负荷控制策略;
服务提供者NF所提供的至少一个服务的负荷信息;
服务提供者NF所提供的至少一个服务的拥塞等级;
服务提供者NF所提供的至少一个服务的负荷控制算法;
服务提供者NF所提供的至少一个服务的负荷控制有效期;
服务提供者NF所提供的至少一个服务的负荷控制策略。
可选的,本公开的上述实施例中,所述服务请求消息为服务使用者NF对服务提供者NF提供的任一服务的任意一次服务调用的服务请求;
所述服务响应消息为服务提供者NF对服务使用者NF发送的任一服务的任意一次服务调用的服务请求消息的服务响应。
综上,本公开的上述实施例中,服务提供者NF在收到服务使用者NF的服务请求消息时,将负荷控制信息的资源地址通过当前的服务响应消息发送给服务使用者NF,本公开的一些实施例通过在服务响应消息中携带负荷控制信息的资源地址,一方面解决了相关HTTP协议中无法在一个服务调用中对多个资源进行不同操作的限制问题,可以在服务调用时叠加通用的端到端负荷控制机制,另一方面避免在HTTP协议中扩展数量较多、类型复杂的参数,有利于对负荷控制信息的灵活扩展且避免兼容性问题。本公开的一些实施例中还由服务提供者NF进行端到端负荷控制逻辑的指示,可以避免服务使用者NF的本地策略与服务提供者NF的策略不一致的不匹配问题,更好的满足服务提供者NF的负荷控制需求。
需要说明的是,本公开的一些实施例提供的服务提供者NF是能够执行上述负荷控制方法的服务提供者NF,则上述负荷控制方法的所有实施例均适用于该服务提供者NF,且均能达到相同或相似的有益效果。
本公开的一些实施例还提供一种基站,包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序,所述处理器执行所述程序时实现如上所述的应用于服务提供者NF的负荷控制方法实施例中的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
本公开的一些实施例还提供一种计算机可读存储介质,其上存储有计算机程序,该程序被处理器执行时实现如上所述的应用于服务提供者NF的负 荷控制方法实施例中的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。其中,所述的计算机可读存储介质,如只读存储器(Read-Only Memory,简称ROM)、随机存取存储器(Random Access Memory,简称RAM)、磁碟或者光盘等。
如图7所示,本公开的一些实施例还提供一种服务使用者NF,包括处理器400和收发器410,所述收发器410用于执行如下过程:
向服务提供者NF发送服务请求消息;
接收所述服务提供者NF发送的服务响应消息,所述服务响应消息中携带负荷控制信息的资源地址;
所述处理器400用于执行如下过程:
根据所述负荷控制信息的资源地址,获取负荷控制信息。
可选的,本公开的上述实施例中,所述处理器400还用于执行如下过程:
根据所述负荷控制信息触发到所述服务提供者NF的服务请求消息的流控。
可选的,本公开的上述实施例中,所述处理器400还用于:
根据所述负荷控制信息的资源地址,从所述服务提供者NF上获取所述负荷控制信息;
或者,
根据所述负荷控制信息的资源地址,从存储所述负荷控制信息的网络实体上获取所述负荷控制信息。
可选的,本公开的上述实施例中,所述服务响应消息中还携带用于指示所述负荷控制信息的资源名称和/或用途的说明信息。
可选的,本公开的上述实施例中,所述负荷控制信息的资源地址位于所述服务响应消息中第一资源的一个资源属性中;
其中,所述第一资源为所述服务响应消息中的与服务请求相关的资源,或者,所述第一资源为所述服务响应消息中与服务请求相关的资源相独立的一个资源。
可选的,本公开的上述实施例中,所述负荷控制信息为包含多个资源属性的资源。
可选的,本公开的上述实施例中,所述负荷控制信息包括下述至少一项信息:
服务提供者NF的负荷信息;
服务提供者NF的拥塞等级;
服务提供者NF的负荷控制算法;
服务提供者NF的负荷控制有效期;
服务提供者NF的负荷控制策略;
服务提供者NF所提供的至少一个服务的负荷信息;
服务提供者NF所提供的至少一个服务的拥塞等级;
服务提供者NF所提供的至少一个服务的负荷控制算法;
服务提供者NF所提供的至少一个服务的负荷控制有效期;
服务提供者NF所提供的至少一个服务的负荷控制策略。
可选的,本公开的上述实施例中,所述服务请求消息为服务使用者NF对服务提供者NF提供的任一服务的任意一次服务调用的服务请求;
所述服务响应消息为服务提供者NF对服务使用者NF发送的任一服务的任意一次服务调用的服务请求消息的服务响应。
综上,本公开的上述实施例中,服务提供者NF在收到服务使用者NF的服务请求消息时,将负荷控制信息的资源地址通过当前的服务响应消息发送给服务使用者NF,服务使用者NF收到负荷控制信息的资源地址后,根据负荷控制信息的资源地址去获取负荷控制信息;本公开的一些实施例通过在服务响应消息中携带负荷控制信息的资源地址,一方面解决了相关HTTP协议中无法在一个服务调用中对多个资源进行不同操作的限制问题,可以在服务调用时叠加通用的端到端负荷控制机制,另一方面避免在HTTP协议中扩展数量较多、类型复杂的参数,有利于对负荷控制信息的灵活扩展且避免兼容性问题。本公开的一些实施例中还由服务提供者NF进行端到端负荷控制逻辑的指示,可以避免服务使用者NF的本地策略与服务提供者NF的策略不一致的不匹配问题,更好的满足服务提供者NF的负荷控制需求。
需要说明的是,本公开的一些实施例提供的服务使用者NF是能够执行上述负荷控制方法的服务使用者NF,则上述负荷控制方法的所有实施例均适 用于该服务使用者NF,且均能达到相同或相似的有益效果。
本公开的一些实施例还提供一种基站,包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序,所述处理器执行所述程序时实现如上所述的应用于服务使用者NF的负荷控制方法实施例中的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
本公开的一些实施例还提供一种计算机可读存储介质,其上存储有计算机程序,该程序被处理器执行时实现如上所述的应用于服务使用者NF的负荷控制方法实施例中的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。其中,所述的计算机可读存储介质,如只读存储器(Read-Only Memory,简称ROM)、随机存取存储器(Random Access Memory,简称RAM)、磁碟或者光盘等。
本领域内的技术人员应明白,本申请的实施例可提供为方法、系统或计算机程序产品。因此,本申请可采用完全硬件实施例、完全软件实施例或结合软件和硬件方面的实施例的形式。而且,本申请可采用在一个或多个其中包含有计算机可用程序代码的计算机可读存储介质(包括但不限于磁盘存储器和光学存储器等)上实施的计算机程序产品的形式。
可以理解的是,本公开的一些实施例描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现,模块、单元、子模块、子单元等可以实现在一个或多个专用集成电路(Application Specific Integrated Circuits,ASIC)、数字信号处理器(Digital Signal Processing,DSP)、数字信号处理设备(DSP Device,DSPD)、可编程逻辑设备(Programmable Logic Device,PLD)、现场可编程门阵列(Field-Programmable Gate Array,FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本申请所述功能的其它电子单元或其组合中。
对于软件实现,可通过执行本公开的一些实施例所述功能的模块(例如过程、函数等)来实现本公开的一些实施例所述的技术。软件代码可存储在存储器中并通过处理器执行。存储器可以在处理器中或在处理器外部实现。
因此,本公开的目的还可以通过在任何计算装置上运行一个程序或者一组程序来实现。所述计算装置可以是公知的通用装置。因此,本公开的目的 也可以仅仅通过提供包含实现所述方法或者装置的程序代码的程序产品来实现。也就是说,这样的程序产品也构成本公开,并且存储有这样的程序产品的存储介质也构成本公开。显然,所述存储介质可以是任何公知的存储介质或者将来所开发出来的任何存储介质。还需要指出的是,在本公开的装置和方法中,显然,各部件或各步骤是可以分解和/或重新组合的。这些分解和/或重新组合应视为本公开的等效方案。并且,执行上述系列处理的步骤可以自然地按照说明的顺序按时间顺序执行,但是并不需要一定按照时间顺序执行。某些步骤可以并行或彼此独立地执行。
本申请是参照根据本申请实施例的方法、设备(系统)和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其它可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其它可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其它可编程数据处理设备以特定方式工作的计算机可读存储介质中,使得存储在该计算机可读存储介质中的指令产生包括指令装置的纸制品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其它可编程数据处理设备上,使得计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他科编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
以上所述是本公开的可选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本公开所述原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本公开的保护范围。

Claims (16)

  1. 一种负荷控制方法,应用于服务提供者网络功能NF,包括:
    接收服务使用者NF发送的服务请求消息;
    向所述服务使用者NF发送服务响应消息,所述服务响应消息中携带负荷控制信息的资源地址。
  2. 根据权利要求1所述的方法,还包括:
    创建负荷控制信息并生成所述负荷控制信息的资源地址。
  3. 根据权利要求2所述的方法,其中,所述负荷控制信息存储于所述服务提供NF上,或者,所述负荷控制信息存储于其他网络实体上。
  4. 根据权利要求2所述的方法,其中,所述创建负荷控制信息并生成所述负荷控制信息的资源地址,包括:
    在所述服务提供者NF启动运行后,创建负荷控制信息并生成所述负荷控制信息的资源地址;
    或者,
    在所述服务提供者NF的负荷满足预设负荷控制门限的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址;
    或者,
    在所述服务提供者NF的负荷满足预设拥塞等级的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址;
    或者,
    在所述服务提供者NF所提供的服务的负荷满足预设负荷控制门限的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址;
    或者,
    在所述服务提供者NF所提供的服务的负荷满足预设拥塞等级的情况下,创建负荷控制信息并生成所述负荷控制信息的资源地址。
  5. 根据权利要求2所述的方法,还包括:
    根据所述服务提供者NF的负荷控制信息和/或所述服务提供者NF所提供的至少一个服务的负荷控制信息,对所述负荷控制信息进行更新。
  6. 根据权利要求1所述的方法,其中,所述负荷控制信息包括下述至少一项信息:
    服务提供者NF的负荷信息;
    服务提供者NF的拥塞等级;
    服务提供者NF的负荷控制算法;
    服务提供者NF的负荷控制有效期;
    服务提供者NF的负荷控制策略;
    服务提供者NF所提供的至少一个服务的负荷信息;
    服务提供者NF所提供的至少一个服务的拥塞等级;
    服务提供者NF所提供的至少一个服务的负荷控制算法;
    服务提供者NF所提供的至少一个服务的负荷控制有效期;
    服务提供者NF所提供的至少一个服务的负荷控制策略。
  7. 根据权利要求1所述的方法,其中,所述服务请求消息为服务使用者NF对服务提供者NF提供的任一服务的任意一次服务调用的服务请求;
    所述服务响应消息为服务提供者NF对服务使用者NF发送的任一服务的任意一次服务调用的服务请求消息的服务响应。
  8. 一种负荷控制方法,应用于服务使用者网络功能NF,包括:
    向服务提供者NF发送服务请求消息;
    接收所述服务提供者NF发送的服务响应消息,所述服务响应消息中携带负荷控制信息的资源地址;
    根据所述负荷控制信息的资源地址,获取负荷控制信息。
  9. 根据权利要求8所述的方法,还包括:
    根据所述负荷控制信息触发到所述服务提供者NF的服务请求消息的流控。
  10. 根据权利要求8所述的方法,其中,根据所述负荷控制信息的资源地址,获取负荷控制信息,包括:
    根据所述负荷控制信息的资源地址,从所述服务提供者NF上获取所述负荷控制信息;
    或者,
    根据所述负荷控制信息的资源地址,从存储所述负荷控制信息的网络实体上获取所述负荷控制信息。
  11. 根据权利要求8所述的方法,其中,所述负荷控制信息包括下述至少一项信息:
    服务提供者NF的负荷信息;
    服务提供者NF的拥塞等级;
    服务提供者NF的负荷控制算法;
    服务提供者NF的负荷控制有效期;
    服务提供者NF的负荷控制策略;
    服务提供者NF所提供的至少一个服务的负荷信息;
    服务提供者NF所提供的至少一个服务的拥塞等级;
    服务提供者NF所提供的至少一个服务的负荷控制算法;
    服务提供者NF所提供的至少一个服务的负荷控制有效期;
    服务提供者NF所提供的至少一个服务的负荷控制策略。
  12. 根据权利要求8所述的方法,其中,所述服务请求消息为服务使用者NF对服务提供者NF提供的任一服务的任意一次服务调用的服务请求;
    所述服务响应消息为服务提供者NF对服务使用者NF发送的任一服务的任意一次服务调用的服务请求消息的服务响应。
  13. 一种服务提供者NF,包括处理器和收发器,其中,所述处理器用于控制所述收发器执行如下过程:
    接收服务使用者NF发送的服务请求消息;
    向所述服务使用者NF发送服务响应消息,所述服务响应消息中携带负荷控制信息的资源地址。
  14. 一种服务使用者NF,包括处理器和收发器,其中,所述收发器用于执行如下过程:
    向服务提供者NF发送服务请求消息;
    接收所述服务提供者NF发送的服务响应消息,所述服务响应消息中携带负荷控制信息的资源地址;
    所述处理器用于执行如下过程:
    根据所述负荷控制信息的资源地址,获取负荷控制信息。
  15. 一种网络模块NF,包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序;其中,所述处理器执行所述程序时实现如权利要求1-7任一项所述的负荷控制方法;或者,所述处理器执行所述程序时实现如权利要求8-12任一项所述的负荷控制方法。
  16. 一种计算机可读存储介质,其上存储有计算机程序,其中,该程序被处理器执行时实现如权利要求1-7任一项所述的负荷控制方法中的步骤;或者,该程序被处理器执行时实现如权利要求8-12任一项所述的负荷控制方法中的步骤。
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