WO2020063970A1 - 业务控制方法、网络设备、及存储介质 - Google Patents

业务控制方法、网络设备、及存储介质 Download PDF

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Publication number
WO2020063970A1
WO2020063970A1 PCT/CN2019/109083 CN2019109083W WO2020063970A1 WO 2020063970 A1 WO2020063970 A1 WO 2020063970A1 CN 2019109083 W CN2019109083 W CN 2019109083W WO 2020063970 A1 WO2020063970 A1 WO 2020063970A1
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Prior art keywords
npt
gateway
service
user
policy
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PCT/CN2019/109083
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English (en)
French (fr)
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林凯
王艳敏
丁建鹏
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中兴通讯股份有限公司
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Publication of WO2020063970A1 publication Critical patent/WO2020063970A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/10—Flow control between communication endpoints
    • H04W28/12—Flow control between communication endpoints using signalling between network elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing

Definitions

  • the present disclosure relates to the field of network communication technologies, and in particular, to a service control method, a network device, and a storage medium.
  • a CP Control Plane, Control Plane gateway
  • a UP User Plane, User Plane gateway
  • BS Billing System
  • Charging system Charging system
  • the CP can be a network device such as the control plane of SMF (Session Management Function) under 5G architecture or the control plane of PGW (PDN Gateway User Plane, Packet Data Network Gateway) under 4G.
  • SMF Session Management Function
  • PGW Packet Data Network Gateway
  • the 3GPP standard defines a system architecture in which the CP network element and the UP network element are separated.
  • the separation of the CP network element and the UP network element is referred to as CU separation.
  • the original PGW was split into PGW-C and PGW-U
  • the original SGW was split into SGW-C (PDN Gateway Control Plane Packet Data Network Gateway Control Plane) and SGW-U (PDN Gateway User Plane).
  • SMF Session Management Function
  • AMF Access and Mobility Management Function
  • UPF User Plan Function
  • the CP provides mobility management and session management functions for the UE to ensure the reliability of data services.
  • the CP terminates the user's data service.
  • the user needs to interrupt the user's data service for a period of time. During this period, the user can recharge, or perform network maintenance.
  • the user uses the data service, and the CP controls the UP network device to restore the user's normal data service operation in a timely manner.
  • the user is forced to go offline. At this time, the user may frequently try to retry to connect to the network, and will repeatedly initiate user attachment, BS authentication, and other operations, which will put pressure on the network equipment and easily lead to BS and The CP system caused a message signaling storm.
  • embodiments of the present disclosure provide a service control method, network device, and storage medium to solve the problem of BS and CP in the process of users being forced offline and frequently retrying to connect to the network when a user's service is interrupted.
  • the system caused technical problems of message signaling storms.
  • a service control method is provided, which is applied to a CP gateway.
  • the method includes: sending a charging request message to a BS; receiving a charging response message of the BS, and the charging response message carries a first report.
  • Text execution strategy the first message execution strategy includes NPT (Not Permit Time) and related policy information, or the cause of service interruption, or UE quota; sending a session modification request message to the UP gateway, and the session modification request message carries
  • the second message execution strategy includes the NPT and related policy information or UE quota.
  • a service control method is provided, which is applied to an UP gateway.
  • the method includes: receiving a session modification request message sent by a CP gateway, and obtaining a second packet execution policy; Set the NPT timer. During the NPT timer takes effect, the user packets are discarded or the user packets are redirected. When the NPT timer expires, the user packets are processed according to the related policies.
  • a service control method is provided, which is applied to a BS.
  • the method includes: after receiving a charging request message sent by a CP gateway, verifying a use right of the UE; and according to a verification result of the use right of the UE Generate a first message execution policy; send a charging response message to the CP gateway, and the charging response message carries the first message execution policy; wherein the first message execution policy includes UE quota, or NPT and related policy information, Or business interruption.
  • a network device includes a memory, a processor, and a computer program stored on the memory and executable on the processor. When the computer program is executed by the processor, the computer program is implemented. Steps of the aforementioned business control method.
  • a computer-readable storage medium stores a computer program.
  • the computer program is executed by a processor, the steps of the foregoing service control method are implemented.
  • FIG. 1 is a system structure diagram of a related technology according to an embodiment of the present disclosure
  • FIG. 2 is a schematic diagram of NPT transmission in the embodiment of the present disclosure
  • FIG. 3 is a flowchart of a service control method applied to a CP gateway according to Embodiment 1 of the present disclosure
  • FIG. 4 is a flowchart of a service control method applied to a UP gateway according to Embodiment 2 of the present disclosure
  • FIG. 5 is a flowchart of a service control method applied to a BS according to Embodiment 3 of the present disclosure
  • FIG. 6 is a signaling interaction diagram of re-authentication and re-authentication service recharge after a user owes a charge and is provided according to Embodiment 4 of the present disclosure
  • Embodiment 7 is a signaling interaction diagram provided by Embodiment 6 of the present disclosure that a user does not recharge after arrears and continues to interrupt use;
  • FIG. 8 is a signaling interaction diagram provided by Embodiment 5 of the present disclosure, in which a user directly recovers service usage after recharging after arrears;
  • FIG. 9 is a flowchart of obtaining a NPT by a CP gateway after a user owes fees according to Embodiment 7 of the present disclosure.
  • a system related to the present disclosure includes a UE, a UP gateway, a CP gateway, and a BS.
  • the BS is responsible for user authentication and cost management, and issues status information or user quota information of the user to the CP system;
  • the CP system is responsible for initiating user authentication, quota application, and other processes during user attachment or business processes. It is also responsible for and according to the instructions of the BS to determine the processing strategy of the user terminal's business packets.
  • the UP system is responsible for receiving the user's packet policy. It is also responsible for implementing the policy of the CP gateway, collecting the user's billing information, and setting the timer. Discard or release user packets.
  • the core of the embodiment of the present disclosure lies in the cooperation of the CP gateway and the UP gateway, and the CP gateway sends the parameters of the NPT timer of the CU separation protocol to the UP gateway.
  • the NPT timer is added to the UP gateway, and the NPT timer
  • the router When the router is in effect, the user packets are discarded or the user packets are redirected according to related policies.
  • the normal service recovery process is as follows:
  • the CP gateway After the service is interrupted, the CP gateway sends NPT information to the UP gateway through a separate interface of the CU gateway.
  • the UP gateway sets the timer and related policies, and during the period when the timer takes effect, the user's message is rejected or will be used for message retransmission. Orientation (such as redirecting to the operator's recharge center). It should be noted that the duration of the NPT timer can be delivered by the BS, or can be generated by the CP gateway configuration.
  • the UP gateway When the NPT timer expires, the UP gateway is configured to forward, discard, or buffer user packets according to the NPT timer timeout policy.
  • the UP gateway determines whether there is a service start trigger, and if there is a service start trigger, it reports a service start event to the CP gateway, the CP gateway initiates a charging request message to the BS, and follows the general BS start process.
  • a service control method provided by an embodiment of the present disclosure applies a CP gateway.
  • the method includes:
  • the CP gateway when the UE successfully accesses the system, is in a data service process, or starts using a data service, the CP gateway sends a charging request message to the BS.
  • the charging request message may be a new service start message or a user traffic threshold arrival message. , User location update messages, and more.
  • S302. Receive a charging response message of the BS, where the charging response message carries a first packet execution policy, where the first packet execution policy includes NPT and related policy information, or a cause of service interruption, or a UE quota.
  • the BS after receiving the charging request message, the BS checks whether it has the authority to perform services and returns a first packet execution policy according to the check result. If the user does not recharge or the BS network fails, the first packet execution policy includes NPT and related policy information, or the cause of service interruption, and informs the CP gateway to prohibit the user from using the service. If the user has recharged or the BS network fault is eliminated, the BS returns a successful structure code and the user's quota to notify the CP gateway to allow the user to continue using the service.
  • the service interruption may be an interruption caused by the user's arrears, or a failure caused by a BS network failure, or the performance of the BS is too high, and it is required to terminate the services of some users.
  • the BS may instruct the CP gateway to interrupt the data service use of the UE within a specified NPT.
  • the conditions for user service recovery can be user recharge, network abnormality elimination, or BS performance pressure elimination.
  • NPT timer policy NPT timer timeout policy
  • service start trigger NPT timer policy
  • NPT timer policy used to set the rules for discarding or redirecting user packets during the NPT timer's effective period
  • NPT timer timeout policy used to set the NPT timer to expire, report new business events, and redirect users Messages, or rules for buffering user messages.
  • the UP triggers a session message to be reported to the CP gateway, the CP gateway sends a CCR to apply for a new quota, and the message release strategy is waiting for the BS authentication period; a service start trigger is used to trigger a service start event report.
  • the CP gateway sends the NPT and related policy information to the UP gateway through a separate interface of the control plane and the user plane CU.
  • S303 Send a session modification request message to the UP gateway, where the session modification request message carries a second packet execution policy; wherein the second packet execution policy includes NPT and related policy information or UE quota.
  • the CP gateway sends a second message execution policy to the UP gateway according to the first message execution policy issued by the BS, and notifies the UP gateway to process the user message according to the relevant policy.
  • the CP gateway when the service is interrupted and the first packet execution policy does not include NPT information, the CP gateway generates NPT and related policy information according to the cause of the service interruption.
  • a service control method provided by an embodiment of the present disclosure applies an UP gateway.
  • the method includes:
  • S401 Receive a session modification request message sent by a CP gateway, and obtain a second packet execution policy.
  • the second packet execution policy includes NPT and related policy information, or UE quota.
  • the NPT related policies include an NPT timer policy, an NPT timer timeout policy, and / or a service start trigger.
  • NPT timer policy used to set rules for discarding or redirecting user packets during the NPT timer's effective period
  • the NPT timer timeout policy is used to set rules for releasing, reporting new service events, redirecting user messages, or buffering user messages after the NPT timer expires. For example, the UP triggers a session message to be reported to the CP gateway, and the CP gateway sends a CCR to apply for a new quota, and the message release policy is waiting for the BS authentication period.
  • an NPT timer is set according to the NPT information, and during the period when the NPT timer takes effect, the user packet is discarded or redirected according to a related policy.
  • a service control method provided by an embodiment of the present disclosure is applied to a BS.
  • the method includes:
  • the charging request message may be a new service start message, a user traffic threshold arrival message, a user location update message, and the like.
  • the BS After receiving the charging request message, the BS checks whether it has the authority to perform services, including authentication and fee verification.
  • S502. Generate a first packet execution policy according to a verification result of a UE usage right, where the UE quota, or NPT and related policy information, or a cause of service interruption.
  • the BS generates and returns a first packet execution policy according to the inspection result. If the user does not recharge or the BS network fails, the first packet execution policy includes NPT and related policy information or the cause of service interruption, and notifies the CP gateway Users are prohibited from using services. If the user has recharged or the BS network fault is eliminated, the BS returns a successful structure code and the user's quota to notify the CP gateway to allow the user to continue using the service.
  • the service interruption may be an interruption caused by the user's arrears, or a failure caused by a BS network failure, or the performance of the BS is too high, and it is required to terminate the services of some users.
  • the BS may instruct the CP gateway to interrupt the data service use of the UE within a specified NPT.
  • the conditions for user service recovery can be user recharge, network abnormality elimination, or BS performance pressure elimination.
  • the related policy information includes an NPT timer timeout policy and / or a service start trigger.
  • NPT timer policy used to set rules for discarding or redirecting user packets during the NPT timer's effective period
  • the NPT timer timeout policy is used to set rules for releasing, reporting new service events, redirecting user messages, or buffering user messages after the NPT timer expires. For example, the UP triggers a session message to be reported to the CP gateway, and the CP gateway sends a CCR to apply for a new quota, and the message release policy is waiting for the BS authentication period.
  • the embodiment of the present disclosure is described by using a scenario in which a user recharges after arrears and a service re-authentication recovery process is taken as an example.
  • the method includes the following steps:
  • the UE successfully accesses the system and is in a normal service process or starts using a data service.
  • the CP gateway sends a charging request message to the BS.
  • the BS sends a charging response message to the CP gateway, and the charging response message carries an arrears indication and an NPT.
  • the BS checks the user's authority to use the network, finds that the user's fee is insufficient, and returns the user's arrears instruction and NPT.
  • the CP gateway sends a session modification request message to the UP gateway, and the modification request message carries an NPT timer and a service start trigger.
  • the CP gateway receives the response message from the BS, determines that the user is in arrears, sends a session modification request message, and sends it to the UP gateway with the NPT timer and the service start trigger, and optionally carries the service redirection address, such as User business is redirected to recharge website.
  • the UP gateway sets an NPT timer and sends a session modification response message.
  • the NPT timer expires, and the UP gateway sets the state of the user's message to the initial state, and sets a service start trigger.
  • the UE uses the service, and the packet reaches the UP gateway.
  • the UP gateway sends a new service arrival request to the CP gateway.
  • the UP gateway determines that the service has a service start trigger, and sends a new service arrival request to the CP gateway.
  • the CP gateway returns a new service arrival response message.
  • the CP gateway sends a charging request message to the BS, which carries parameters such as the service identifier.
  • the BS if the user recharges while waiting for the NTP, the BS queries the user's fee and returns information such as a successful result code and the user's quota.
  • the CP gateway sends a session modification request, and carries the quota information of the user to the UP gateway.
  • the UP gateway receives the session modification request, releases the user's message, and returns a session modification response message.
  • the UP gateway determines that the session modification request includes the UE quota, and then releases the user's message, and the user service is unblocked.
  • a service that is used very high by the current business system is very valuable for reducing the system load and improving the user experience.
  • the user successfully accesses the system and is in a normal service process or starts using a data service.
  • the CP gateway triggers a charging request message to the BS.
  • the BS audits the user's permission to use the network, and returns a charging response message, which carries an arrears indication and the NPT duration.
  • the CP gateway receives the response message from the BS, determines that the user is in arrears, sends a session modification request message, and sends the NPT timer and the service start trigger to the UP gateway.
  • the UP gateway sets an NPT timer and a packet discarding policy, and sends a session modification response message.
  • the NPT timer expires, the UP gateway sets the user packet status to the initial state, and sets a service start trigger.
  • the user uses the service, and the packet reaches the UP gateway.
  • the UP gateway determines that the service has a service start trigger, and sends a new service arrival request to the CP gateway.
  • the CP gateway replies with a new service arrival response message.
  • the CP gateway sends a charging request message to the BS, which carries parameters such as the service identifier.
  • the BS returns a charging response message, and returns the arrears result code and NPT.
  • the CP gateway triggers a charging request message to the BS.
  • the BS audits the user's authority to use the network and finds that the user's fee is insufficient, and returns the user's arrears indication and the NPT timer.
  • the CP gateway receives the response message from the BS, determines that the user is in arrears, sends a session modification request message, and sends the NPT timer to the UP gateway.
  • the service redirection address for example, to redirect the user's business to a recharge website.
  • the UP gateway sets an NPT timer and discards user packets, and sends a session modification response message.
  • the NPT timer expires, and the UP gateway sets the message status of the user to the message passing status.
  • the user packet arrives at the UP gateway.
  • the UP gateway determines that the service is in the packet passing state, and directly forwards the packet to the data network, and the user packet is unblocked.
  • the embodiment of the present disclosure uses the user's repayment of arrears to obtain NPT directly from the CP gateway as an example to explain the use of the service.
  • the CP gateway triggers a charging request message to the BS.
  • the BS checks the user's permission to use the network and returns the user's arrears instruction.
  • the CP gateway obtains a locally configured NPT timer.
  • the CP gateway sends a session modification request message to the UP gateway.
  • the CP gateway receives the response message from the BS, determines that the user is in arrears, and if it is found that the CP gateway is configured with an NPT timer, it carries the NPT timer to the UP gateway. User business is redirected to recharge website.
  • the UP gateway sets an NPT timer and a policy for discarding user packets, and returns a session modification response message to the CP gateway.
  • the UP gateway sets the message state of the user to the message passing state.
  • the message reaches the UP gateway.
  • the UP gateway judges that the service is in the message passing state, and directly forwards the message to the data network, and the user message is unblocked.
  • the user recharges after arrears, and the NPT can query the local configuration according to the cause of the interruption, obtain an NPT timer, and send it to the UP gateway.
  • An embodiment of the present disclosure provides a network device.
  • the network device includes a memory, a processor, and a computer program stored on the memory and executable on the processor. When the computer program is executed by the processor, the steps of the foregoing service control method are implemented. .
  • the terminal in the embodiment of the present disclosure belongs to the same concept as the above-mentioned service control method embodiment, and its specific implementation process is detailed in the method embodiment, and the technical features in the method embodiment are correspondingly applicable in this embodiment, here No longer.
  • An embodiment of the present disclosure also provides a computer-readable storage medium.
  • a computer program is stored on the computer-readable storage medium.
  • the steps of the foregoing service control method are implemented.
  • the computer-readable storage medium of the embodiment of the present disclosure belongs to the same concept as the above-mentioned service control method embodiment, and its specific implementation process is described in detail in the method embodiment, and the technical features in the method embodiment are all in this embodiment. Correspondence applies, and is not repeated here.
  • the service control method, network device, and computer-readable storage medium send the parameters of the NPT timer of the CU separation protocol to the UP gateway through the CP gateway, and the UP gateway sets the NPT timer and discards the timer during the effective period of the timer.
  • User data messages to prevent the user from being forced offline after the service is interrupted, and the network load of the BS and CP caused by frequent attempts to connect to the device.
  • the division between functional modules / units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or S may be composed of several physical The components execute cooperatively.
  • Some or all physical components can be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application-specific integrated circuit .
  • Such software may be distributed on computer-readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media).
  • computer storage medium includes volatile and non-volatile implemented in any method or technology used to store information such as computer-readable instructions, data structures, program modules or other data.
  • Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technologies, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic cartridges, magnetic tape, disk storage or other magnetic storage devices, or Any other medium used to store desired information and which can be accessed by a computer.
  • a communication medium typically contains computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transmission mechanism, and may include any information delivery medium .
  • the parameters of the NPT timer are delivered to the UP gateway through the CP gateway.
  • the UP gateway sets the NPT timer and discards user data packets during the timer is valid. After the timer arrives, the NPT policy is performed on the user data packets. This reduces the network load on the BS and CP caused by the user being forced to go offline and frequently trying to connect the device after the service is interrupted.
  • the service control method, network device, and computer-readable storage medium send the parameters of the NPT timer of the CU separation protocol to the UP gateway through the CP gateway, and the UP gateway sets the NPT timer and discards the timer during the effective period User data messages, to prevent the user from being forced offline after the service is interrupted, and the network load of the BS and CP caused by frequent attempts to connect to the device.

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Abstract

本公开实施例公开了一种业务控制方法、网络设备、及存储介质，属于网络技术领域。该方法包括：控制面网关向计费系统发送计费请求消息；接收计费系统的计费响应消息，计费响应消息中携带第一报文执行策略，第一报文执行策略包括NPT及相关策略信息、或业务中断原因、或UE配额；向用户面网关发送会话修改请求消息，会话修改请求消息携带第二报文执行策略；第二报文执行策略包括NPT及相关策略信息、或UE配额。

Description

业务控制方法、网络设备、及存储介质
本公开要求享有2018年09月30日提交的名称为“业务控制方法、网络设备、及存储介质”的中国专利申请CN201811157776.9的优先权，其全部内容通过引用并入本文中。
技术领域
本公开涉及网络通信技术领域，特别涉及一种业务控制方法、网络设备、及存储介质。
背景技术
移动通信经历了从语音到数据业务的飞跃式的发展，深刻的改变了人们的生活方式，也极大的促进社会和经济的快速发展。移动互联网和物联网作为未来移动通信发展的主要的推动力。在典型的移动通信系统中，UE(User Equipment，用户终端)在访问系统网络的时候，需要系统的CP(Control Plane，控制面)网关，UP(User Plane，用户面)网关，BS(Billing System，计费系统)等设备为UE提供网络服务。CP可以为5G架构下的SMF(Session Management Function，会话管理功能)或4G下的PGW(PDN Gateway User Plane，分组数据网网关)的控制面等网络设备。
3GPP标准中定义了CP网元和UP网元分离的系统架构，CP网元和UP网元分离简称CU分离。在CU分离的4G系统架构下，原PGW被拆分为PGW-C和PGW-U，原SGW被拆分为SGW-C(PDN Gateway Control Plane分组数据网网关控制面)和SGW-U(PDN Gateway User Plane，分组数据网网关用户面)。在CU分离的5G系统架构下，SMF(Session Management Function，会话管理功能)和AMF(Access and Mobility Management Function，接入和移动性管理功能)为CP，UPF(User Plan Function，用户面功能)为UP。
CP为UE提供移动性管理和会话管理功能，保证数据业务的可靠性。在网络设备发生异常时，或用户欠费等异常，CP对用户的数据业务终止服务，对用户中断一段时间用户数据业务的需求，在此期间用户可以充值，或进行网络维护，在网络设备转为正常的状态下，或用户充值后，用户使用数据业务，CP控制UP网络设备及时的恢复用户正常 的数据业务运行。然而，在数据业务中断期间，用户被迫下线，此时用户可能频繁尝试重试连接在网络，会重复的发起用户附着，到BS鉴权等操作，对网络设备形成压力，容易导致BS和CP系统造成消息信令风暴。
发明内容
有鉴于此，本公开实施例提供一种业务控制方法、网络设备、及存储介质，以解决在用户业务中断服务时，用户被迫下线而频繁重试连接网络的过程中，对BS和CP系统造成消息信令风暴的技术问题。
本公开实施例解决上述技术问题所采用的技术方案如下：
根据本公开实施例的一个方面，提供一种业务控制方法，应用于CP网关，该方法包括：向BS发送计费请求消息；接收BS的计费响应消息，计费响应消息中携带第一报文执行策略，第一报文执行策略包括NPT(Not permission time，拒绝报文时长)及相关策略信息、或业务中断原因、或UE配额；向UP网关发送会话修改请求消息，会话修改请求消息携带第二报文执行策略，第二报文执行策略包括NPT及相关策略信息、或UE配额。
根据本公开的另一个方面，提供一种业务控制方法，应用于UP网关，该方法包括：接收CP网关发送的会话修改请求消息，获取第二报文执行策略；当业务中断时，根据NPT信息设置NPT定时器，在NPT定时器生效期间，根据相关策略丢弃用户报文或重定向用户报文；当NPT定时器超时后，根据相关策略处理用户报文。
根据本公开的再一个方面，提供一种业务控制方法，应用于BS，该方法包括：接收到CP网关发送的计费请求消息后，校验UE的使用权限；根据UE使用权限的校验结果生成第一报文执行策略；向CP网关发送计费响应消息，计费响应消息中携带第一报文执行策略；其中，第一报文执行策略包括：UE配额、或NPT及相关策略信息、或业务中断原因。
根据本公开实施例的又一个方面，提供一种网络设备，该网络设备包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，该计算机程序被处理器执行时，实现上述的业务控制方法的步骤。
根据本公开实施例的又一个方面，提供一种计算机可读存储介质，计算机可读存储介质上存储有计算机程序，计算机程序被处理器执行时，实现上述业务控制方法的步骤。
附图说明
图1为本公开实施例相关技术的系统结构图；
图2为本公开实施例中NPT传递示意图；
图3为本公开实施例一提供的一种应用于CP网关的业务控制方法的流程图；
图4为本公开实施例二提供的一种应用于UP网关的业务控制方法的流程图；
图5为本公开实施例三提供的一种应用于BS的业务控制方法的流程图；
图6为本公开实施例四提供的一种用户欠费后充值后重新鉴权恢复业务使用的信令交互图；
图7为本公开实施例六提供的一种用户欠费后没有充值，继续中断使用的信令交互图；
图8为本公开实施例五提供的一种用户欠费后充值后直接恢复业务使用的信令交互图；
图9为本公开实施例七提供的一种用户欠费后，CP网关获取NPT的流程图。
本公开目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
为了使本公开所要解决的技术问题、技术方案及有益效果更加清楚、明白，以下结合附图和实施例，对本公开进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅以解释本公开，并不用于限定本公开。
如图1所示，本公开相关技术的系统包括UE、UP网关、CP网关、BS，其中：BS，负责用户的鉴权和费用管理，下发用户的状态信息或用户配额信息给CP系统；CP系统，负责在用户附着或业务进行过程中，发起用户的鉴权，配额申请等流程。还负责并根据BS的指示，决定用户终端的业务报文的处理策略；UP系统，负责用户报文策略的接收，也负责在执行CP网关的策略，收集用户的计费信息，设置定时器，丢弃或放行用户报文。
如图2所示，本公开实施例的核心在于通过CP网关和UP网关配合，由CP网关向UP网关下发CU分离协议的NPT定时器的参数，在UP网关增加NPT定时器，在NPT定时器生效期间，根据相关策略丢弃用户报文或者重定向用户报文。当用户的业务发生中断时，业务恢复正常使用的过程如下：
业务中断后，CP网关通过CU网关分离的接口发送NPT信息给UP网关，UP网关设置该定时器和相关策略，并在该定时器生效期间，拒绝该用户报文转发或将用于报文重定向(比如改向到运营商的充值中心)。需要说明的是，NPT定时器时长可以由BS下发，也可以在CP网关配置生成。
当NPT定时器超时后，UP网关设置根据NPT定时器超时策略转发、丢弃、或缓存用户的报文。UP网关判断是否有业务开始触发器，如果有业务开始触发器，则上报业务开始事件给CP网关，CP网关发起计费请求消息给BS，走通用的BS开始流程。
基于上述架构，提出本公开的以下实施例。
实施例一
如图3所示，本公开实施例提供的一种业务控制方法，应用CP网关，该方法包括：
S301、向BS发送计费请求消息。
在一实施方式中，当UE成功接入系统，处于数据业务过程中或开始使用数据业务，CP网关向BS发送计费请求消息，计费请求消息可以是新业务开始消息、用户流量门限到达消息、用户位置更新消息等等。
S302、接收BS的计费响应消息，计费响应消息中携带第一报文执行策略，其中，第一报文执行策略包括NPT及相关策略信息、或业务中断原因、或UE配额。
在一实施方式中，BS接收到计费请求消息后，检查是否有权限进行业务，根据检查结果返回第一报文执行策略。如果用户没有充值或者BS网络故障，则第一报文执行策略包括NPT及相关策略信息、或业务中断原因，通知CP网关禁止用户使用业务。如果用户已经充值或者BS网络故障消除，则BS返回成功的结构码和用户的配额，通知CP网关让用户继续使用业务。
其中，业务中断可以是用户欠费引发的中断，或者BS网络故障引发的故障，或者BS的性能太高，要求终止部分用户的业务。这些情况下，BS可以指示CP网关在规定的NPT内中断UE的数据业务使用。相应的，用户业务恢复的条件，可以是用户充值，也可以是网络异常消除，也可以是BS的性能压力消除。
相关策略包括NPT定时器策略、NPT定时器超时策略、和/或业务开始触发器。
NPT定时器策略，用于设置在NPT定时器生效期间，丢弃或重定向用户报文的规则；NPT定时器超时策略，用于设置NPT定时器超时后，放行、上报新业务事件、重定向用户报文、或者缓存用户报文的规则。比如：UP触发会话消息上报给CP网关，CP网关发 送CCR申请新的配额,在等待BS鉴权期间的报文放行策略；业务开始触发器，用于触发业务开始事件上报。
在一实时方式中，CP网关通过控制面及用户面CU分离的接口发送NPT及相关策略信息给UP网关。
S303、向UP网关发送会话修改请求消息，会话修改请求消息携带第二报文执行策略；其中，第二报文执行策略包括NPT及相关策略信息、或UE配额。
在一实施方式中，CP网关根据BS下发的第一报文执行策略，向UP网关发送第二报文执行策略，通知UP网关根据相关策略处理用户报文。
在一些实施例中，当业务中断且第一报文执行策略不包括NPT信息时，CP网关根据业务中断原因产生NPT及相关策略信息。
实施例二
如图4所示，本公开实施例提供的一种业务控制方法，应用UP网关，该方法包括：
S401、接收CP网关发送的会话修改请求消息，获取第二报文执行策略，第二报文执行策略包括NPT及相关策略信息、或UE配额。
在一实施方式中，NPT相关策略包括NPT定时器策略、NPT定时器超时策略、和/或业务开始触发器。
NPT定时器策略，用于设置在NPT定时器生效期间，丢弃或重定向用户报文的规则；
NPT定时器超时策略，用于设置NPT定时器超时后，放行、上报新业务事件、重定向用户报文、或者缓存用户报文的规则。比如：UP触发会话消息上报给CP网关，CP网关发送CCR申请新的配额,在等待BS鉴权期间的报文放行策略。
S402、当业务中断时，根据NPT信息设置NPT定时器，在NPT定时器生效期间，根据相关策略丢弃或重定向用户报文。
S403、当NPT定时器超时后，根据相关策略处理用户报文。
实施例三
如图5所示，本公开实施例提供的一种业务控制方法，应用于BS，该方法包括：
S501、接收到CP网关发送的计费请求消息后，校验UE的使用权限。
在一实施方式中，计费请求消息可以是新业务开始消息，用户流量门限到达消息，用户位置更新消息等等。BS接收到计费请求消息后，检查是否有权限进行业务，包括鉴权和费用校验。
S502、根据UE使用权限的校验结果生成第一报文执行策略，其中，UE配额、或NPT及相关策略信息、或业务中断原因。
在一实施方式中，BS根据检查结果生成返回第一报文执行策略，如果用户没有充值或者BS网络故障，则第一报文执行策略包括NPT及相关策略信息、或业务中断原因，通知CP网关禁止用户使用业务。如果用户已经充值或者BS网络故障消除，则BS返回成功的结构码和用户的配额，通知CP网关让用户继续使用业务。其中，业务中断可以是用户欠费引发的中断，或者BS网络故障引发的故障，或者BS的性能太高，要求终止部分用户的业务。这些情况下，BS可以指示CP网关在规定的NPT内中断UE的数据业务使用。相应的，用户业务恢复的条件，可以是用户充值，也可以是网络异常消除，也可以是BS的性能压力消除。其中，相关策略信息包括NPT定时器超时策略、和/或业务开始触发器。
NPT定时器策略，用于设置在NPT定时器生效期间，丢弃或重定向用户报文的规则；
NPT定时器超时策略，用于设置NPT定时器超时后，放行、上报新业务事件、重定向用户报文、或者缓存用户报文的规则。比如：UP触发会话消息上报给CP网关，CP网关发送CCR申请新的配额,在等待BS鉴权期间的报文放行策略。
S503、向CP网关发送计费响应消息，计费响应消息中携带第一报文执行策略。
实施例四
如图6所示，本公开实施例以用户欠费后充值，业务重新鉴权恢复流程的场景为例进行说明，该方法包括以下步骤：
S601、UE成功的接入系统，处于正常的业务过程中或开始使用数据业务。
S602、CP网关发送计费请求消息到BS。
S603、BS向CP网关发送计费响应消息，计费响应消息携带欠费指示和NPT。
在一实施方式中，BS审核用户使用网络的权限，发现用户的费用不足，返回用户的 欠费指示和NPT。
S604、CP网关向UP网关发送会话修改请求消息，修改请求消息携带NPT定时器和业务开始触发器。
在一实施方式中，CP网关收到BS的响应消息，判断用户欠费，发送会话修改请求消息，携带NPT定时器和业务开始触发器发送给UP网关，可选携带业务改向地址，比如让用户业务改向到充值网站。
S605、UP网关设置NPT定时器，并发送会话修改响应消息。
S606、在NPT定时器生效期间，丢弃用户报文。
S607、NPT定时器超时，UP网关设置用户的报文状态为初始态，并设置业务开始触发器。
S608、UE使用业务，报文到达UP网关。
S609、UP网关发送新业务到达请求给CP网关。
在一实施方式中，UP网关判断该业务有业务开始触发器，就发送新业务到达请求给CP网关。
S610、CP网关回复新业务到达响应消息。
S611、CP网关向BS发送计费请求消息，携带该业务标识等参数。
S612、返回成功结果码和用户的配额等信息。
在一实施方式中，如果用户在等待NTP期间充值，BS查询用户的费用充足，返回成功结果码和用户的配额等信息。
S613、CP网关发送会话修改请求，携带用户的配额信息给UP网关.
S614、UP网关收到会话修改请求，放行用户的报文，并返回会话修改响应消息。
在一实施方式中，UP网关判断会话修改请求包含了UE配额，则放行用户的报文，用户业务畅通。
本公开实施例中，对于当前业务系统使用很高的一种业务，对降低系统的负荷，提高用户的体验很有价值。
实施例五
如图7所示，本公开实施例以用户欠费没有充值，继续保持中断业务的场景为例进行说明，具体过程如下：
S701、用户成功的接入系统，处于正常的业务过程中或开始使用数据业务；
S702、CP网关触发计费请求消息到BS。
S703、BS审核用户使用网络的权限，返回计费响应消息，携带欠费指示和NPT时长。
S704、CP网关收到BS的响应消息，判断用户欠费，发送会话修改请求消息，携带NPT定时器和业务开始触发器发送给UP网关。
可选携带业务改向地址，比如让用户业务改向到充值网站。
S705、UP网关设置NPT定时器及丢弃报文策略，发送会话修改响应消息。
S706、在NPT定时器生效期间，丢弃用户报文。
S707、NPT定时器超时，UP网关设置用户的报文状态为初始态，并设置业务开始触发器。
S708、用户使用业务，报文到达UP网关。
S709、UP网关判断该业务有业务开始触发器，就发送新业务到达请求给CP网关。
S710、CP网关回复新业务到达响应消息。
S711、CP网关向BS发送计费请求消息，携带该业务标识等参数。
S712、BS返回计费响应消息，返回欠费结果码和NPT。
在一实施方式中，由于用户在等待NTP期间没充值，BS查询用户的费用依然欠费，
S713、转至步骤S704。
实施例六
如图8所示，本公开实施例以用户欠费充值，业务直接恢复使用的场景，具体实施过程如下：
S801、用户成功的接入系统，处于正常的业务过程中或开始使用数据业务。
S802、CP网关触发计费请求消息到BS。
S803、BS审核用户使用网络的权限，发现用户的费用不足，返回用户的欠费指示和 NPT定时器。
S804、CP网关收到BS的响应消息，判断用户欠费，发送会话修改请求消息，携带NPT定时器发送给UP网关。
其中，可选携带业务改向地址，比如让用户业务改向到充值网站。
S805、UP网关设置NPT定时器以及用户报文丢弃，并发送会话修改响应消息。
S806、在NPT定时器生效期间，丢弃用户报文。
S807、NPT定时器超时，UP网关设置用户的报文状态为报文通过态。
S808、用户报文到达UP网关，UP网关判断该业务处于报文通过态，直接转发报文给数据网络，用户报文畅通。
本公开实施例中，不需要对用户业务重新鉴权，可提高用户体验，降低系统的负荷。
实施例七
如图9所示，本公开实施例以用户欠费充值，从CP网关获取NPT直接恢复业务使用为例说明，具体实施过程如下：
S901、用户成功接入系统，处于正常的业务过程中或开始使用数据业务；
S902、CP网关触发计费请求消息到BS。
S903、BS审核用户使用网络的权限，返回用户的欠费指示。
S904、CP网关获取本地配置的NPT定时器。
S905、CP网关发送会话修改请求消息发送给UP网关。
在一实施方式中，CP网关收到BS的响应消息，判断用户欠费，如果发现CP网关配置了NPT定时器，就携带NPT定时器发送给UP网关，可选携带业务改向地址，比如让用户业务改向到充值网站。
S906、UP网关设置NPT定时器及丢弃用户报文策略，并向CP网关返回发送会话修改响应消息。
S907、在NPT定时器生效期间，丢弃用户报文。
S908、当NPT定时器超时，UP网关设置用户的报文状态为报文通过态。
S909、报文到达UP网关，UP网关判断该业务处于报文通过态，就直接转发报文给数据网络，用户报文畅通。
本公开实施例中，用户欠费后充值，NPT可以根据中断原因查询本地的配置，获取NPT定时器发送给UP网关。
实施例八
本公开实施例提供一种网络设备，该网络设备包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，该计算机程序被处理器执行时，实现上述业务控制方法的步骤。
需要说明的是，本公开实施例的终端与上述业务控制方法实施例属于同一构思，其具体实现过程详细见方法实施例，且方法实施例中的技术特征在本实施例中均对应适用，这里不再赘述。
实施例九
本公开实施例还提供了一种计算机可读存储介质，计算机可读存储介质上存储有计算机程序，计算机程序被处理器执行时，实现上述业务控制方法的步骤。
需要说明的是，本公开实施例的计算机可读存储介质与上述业务控制方法实施例属于同一构思，其具体实现过程详细见方法实施例，且方法实施例中的技术特征在本实施例中均对应适用，这里不再赘述。
本公开实施例的业务控制方法、网络设备和计算机可读存储介质，通过CP网关向UP网关下发CU分离协议的NPT定时器的参数，UP网关设置NPT定时器，并在定时器生效期间丢弃用户数据报文，从而防止用户在业务中断后，UE被迫下线而频繁尝试连接设备造成的BS和CP的网络负荷。
本领域普通技术人员可以理解，上文中所公开方法中的全部或某些S、系统、装置中的功能模块/单元可以被实施为软件、固件、硬件及其适当的组合。
在硬件实施方式中，在以上描述中提及的功能模块/单元之间的划分不一定对应于物理组件的划分；例如，一个物理组件可以具有多个功能，或一个功能或S可以由若干物理组件合作执行。某些物理组件或所有物理组件可以被实施为由处理器，如中央处理器、数字信号处理器或微处理器执行的软件，或被实施为硬件，或被实施为集成电路，如专 用集成电路。这样的软件可以分布在计算机可读介质上，计算机可读介质可以包括计算机存储介质(或非暂时性介质)和通信介质(或暂时性介质)。如本领域普通技术人员公知的，术语计算机存储介质包括在用于存储信息(诸如计算机可读指令、数据结构、程序模块或其他数据)的任何方法或技术中实施的易失性和非易失性、可移除和不可移除介质。计算机存储介质包括但不限于RAM、ROM、EEPROM、闪存或其他存储器技术、CD-ROM、数字多功能盘(DVD)或其他光盘存储、磁盒、磁带、磁盘存储或其他磁存储装置、或可以用于存储期望的信息并且可以被计算机访问的任何其他的介质。此外，本领域普通技术人员公知的是，通信介质通常包含计算机可读指令、数据结构、程序模块或诸如载波或其他传输机制之类的调制数据信号中的其他数据，并且可包括任何信息递送介质。
本公开实施例通过CP网关向UP网关下发NPT定时器的参数，UP网关设置NPT定时器并在定时器生效期间丢弃用户数据报文，定时器到达后，对用户数据报文执行NPT策略。从而减轻用户在业务中断后，UE被迫下线而频繁尝试连接设备造成的BS和CP的网络负荷。
本公开实施例的业务控制方法、网络设备和计算机可读存储介质，通过CP网关向UP网关下发CU分离协议的NPT定时器的参数，UP网关设置NPT定时器，并在定时器生效期间丢弃用户数据报文，从而防止用户在业务中断后，UE被迫下线而频繁尝试连接设备造成的BS和CP的网络负荷。
以上参照附图说明了本公开的优选实施例，并非因此局限本公开的权利范围。本领域技术人员不脱离本公开的范围和实质内所作的任何修改、等同替换和改进，均应在本公开的权利范围之内。

Claims (10)

  1. 一种业务控制方法，应用于控制面CP网关，其中，该方法包括：
    向计费系统BS发送计费请求消息；
    接收BS的计费响应消息，所述计费响应消息中携带第一报文执行策略，其中，所述第一报文执行策略包括拒绝报文时长NPT及相关策略信息、或业务中断原因、或UE配额；
    向用户面UP网关发送会话修改请求消息，所述会话修改请求消息携带第二报文执行策略，其中，所述第二报文执行策略包括所述NPT及相关策略信息、或所述UE配额。
  2. 根据权利要求1所述的一种业务控制方法，其中，所述向UP网关发送第二报文执行策略包括：
    通过控制面及用户面CU分离的接口发送NPT及相关策略信息给所述UP网关。
  3. 根据权利要求1所述的一种业务控制方法，其中，所述向UP网关发送第二报文执行策略之前，该方法还包括：
    当业务中断时，如果所述第一报文执行策略不包括NPT信息，则根据所述业务中断原因产生所述NPT及相关策略信息。
  4. 根据权利要求1-3任意一项权利要求所述的一种业务控制方法，其中，所述相关策略信息包括：
    NPT定时器策略，用于设置在NPT定时器生效期间，丢弃或重定向用户报文的规则；
    NPT定时器超时策略，用于设置NPT定时器超时后，放行、上报新业务事件、重定向或者缓存用户报文的规则；
    和/或业务开始触发器，用于触发上报新业务开始事件。
  5. 一种业务控制方法，应用于UP网关，其中，该方法包括：
    接收CP网关发送的会话修改请求消息，获取第二报文执行策略，其中，所述第二报文执行策略包括所述NPT及相关策略信息、或所述UE配额；
    当业务中断时，根据NPT信息设置NPT定时器，在所述NPT定时器生效期间，根据相关策略丢弃所述用户报文或重定向所述用户报文；
    当NPT定时器超时后，根据相关策略处理所述用户报文。
  6. 根据权利要求5所述的一种业务控制方法，其中，所述相关策略还包括业务开始触发器，相应的，当所述NPT定时器超时后，该方法还包括：
    接收到用户报文后，根据所述业务开始触发器向所述CP网关发送新业务开始事件。
  7. 一种业务控制方法，应用于BS，其中，该方法包括：
    接收到CP网关发送的计费请求消息后，校验UE的使用权限；
    根据所述UE使用权限的校验结果生成第一报文执行策略，所述第一报文执行策略包括：所述UE配额、或NPT及相关策略信息、或业务中断原因；
    向所述CP网关发送计费响应消息，所述计费响应消息中携带所述第一报文执行策略。
  8. 根据权利要求7所述的一种业务控制方法，其中，所述相关策略信息包括：
    NPT定时器策略，用于设置在NPT定时器生效期间，丢弃或重定向用户报文的规则；
    NPT定时器超时策略，用于设置NPT定时器超时后，放行、上报新业务事件、重定位或者缓存用户报文的规则；
    和/或业务开始触发器，用于触发上报新业务开始事件。
  9. 一种网络设备，其中，网络设备包括存储器、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计算机程序，所述计算机程序被所述处理器执行时，实现如权利要求1至4中任一项所述的业务控制方法的步骤；或实现如权利要求5至6中任一项所述的业务控制方法的步骤；或实现如权利要求7至8中任一项所述的业务控制方法的步骤。
  10. 一种计算机可读存储介质，其中，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时，实现如权利要求1至4中任一项所述的业务控制方法的步骤；或实现如权利要求5至6中任一项所述的业务控制方法的步骤；或实现如权利要求7至8中任一项所述的业务控制方法的步骤。
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