WO2022001484A1 - 网络切片的分配方法、终端及存储介质 - Google Patents

网络切片的分配方法、终端及存储介质 Download PDF

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Publication number
WO2022001484A1
WO2022001484A1 PCT/CN2021/095572 CN2021095572W WO2022001484A1 WO 2022001484 A1 WO2022001484 A1 WO 2022001484A1 CN 2021095572 W CN2021095572 W CN 2021095572W WO 2022001484 A1 WO2022001484 A1 WO 2022001484A1
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application
network
network slices
network slice
slices
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PCT/CN2021/095572
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English (en)
French (fr)
Inventor
王诚
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中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to US18/011,659 priority Critical patent/US12009982B2/en
Priority to EP21833353.2A priority patent/EP4161143A4/en
Publication of WO2022001484A1 publication Critical patent/WO2022001484A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0895—Configuration of virtualised networks or elements, e.g. virtualised network function or OpenFlow elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/64—Routing or path finding of packets in data switching networks using an overlay routing layer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
    • H04L41/0836—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability to enhance reliability, e.g. reduce downtime
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5041—Network service management, e.g. ensuring proper service fulfilment according to agreements characterised by the time relationship between creation and deployment of a service
    • H04L41/5054—Automatic deployment of services triggered by the service manager, e.g. service implementation by automatic configuration of network components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/302—Route determination based on requested QoS
    • H04L45/306—Route determination based on the nature of the carried application
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/70—Routing based on monitoring results
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/80—Ingress point selection by the source endpoint, e.g. selection of ISP or POP
    • H04L45/85—Selection among different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/40—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks using virtualisation of network functions or resources, e.g. SDN or NFV entities

Definitions

  • the embodiments of the present application relate to the field of communications, and in particular, to a network slice allocation method, terminal, and storage medium.
  • Network slicing is an on-demand networking method that allows operators to separate multiple virtual end-to-end networks on a unified infrastructure. Logically isolated to adapt to various types of applications, wherein each network slice includes at least wireless sub-slices, bearer sub-slices and core network sub-slices.
  • Selection Policy contains rule elements such as data network name (Data Network Name, DNN) and/or application identity card (Application Identity card, Application ID), so when the application in the terminal passes DNN and/or When the data connection is initiated by the application ID or the application ID, the slice matching can be performed through the rule element in the NSSP, so as to realize the network slice allocation requirements for different applications.
  • DNN Data Network Name
  • Application ID Application Identity card
  • An embodiment of the present application provides a method for allocating network slices, including: if an application program in a running state is monitored, determining an application type to which the application program belongs; and selecting at least one network slice corresponding to the application type from the network slices corresponding to the application type.
  • a network slice is allocated to the application; wherein, the network slice corresponding to the application type refers to a network slice that is pre-matched for the application type.
  • An embodiment of the present application further provides a terminal, including: at least one processor; and a memory communicatively connected to the at least one processor; wherein, the memory stores instructions that can be executed by the at least one processor , the instructions are executed by the at least one processor, so that the at least one processor can execute the above-mentioned method for allocating network slices.
  • Embodiments of the present application further provide a computer-readable storage medium storing a computer program, and when the computer program is executed by a processor, the foregoing method for allocating network slices is implemented.
  • FIG. 1 is a flowchart of a method for allocating network slices in the first embodiment of the present application
  • FIG. 2 is a flowchart of pre-matching network slices for application types in the first embodiment of the present application
  • FIG. 3 is a flowchart of a method for allocating network slices in the second embodiment of the present application.
  • FIG. 4 is a flowchart of a method for allocating network slices in a third embodiment of the present application.
  • FIG. 5 is a flowchart of a method for allocating network slices in the fourth embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a terminal in a fifth embodiment of the present application.
  • the purpose of the embodiments of the present application is to provide a network slice allocation method, terminal, and storage medium, which can implement network slice allocation according to application requirements.
  • the first embodiment of the present application relates to a method for allocating network slices, which is applied to a terminal, such as a mobile phone and the like.
  • FIG. 1 The specific flow of the method for allocating network slices in this embodiment is shown in FIG. 1 , and includes the following steps.
  • Step 101 if an application program in a running state is monitored, determine the application type to which the application program belongs.
  • Step 102 Select at least one network slice from the network slices corresponding to the application type and assign it to the application; wherein, the network slice corresponding to the application type refers to a network slice that is pre-matched for the application type.
  • the terminal classifies each application according to the main business type of the application to obtain each application type.
  • Application types include but are not limited to the following categories: video, communication, payment, etc.
  • Different types have different network performance requirements for network slices. Therefore, the terminal can pre-match network slices for each application type according to the application requirements in the application type, and store the corresponding relationship between application types and network slices. Knowing that the network slices are matched for the application types in advance, the corresponding relationship between the application types and the network slices may be stored in a form such as a table, which is not specifically limited in this embodiment.
  • the terminal can monitor each application program in real time, and can also monitor each application program according to a preset period, and the preset period can be set according to actual needs, which is not specifically limited in this embodiment. If the terminal detects that an application is running, it determines the application type to which the running application belongs, and then by querying the correspondence between the application type and the network slice, the network slice corresponding to the application can be determined, and at least one network slice can be selected from it. Slices are assigned to applications.
  • the terminal detects application A and application B that are running, the application type to which application A belongs is a video service, the application type to which application B belongs is a communication service, and the network slice corresponding to the video service is Network slice 1, network slice 2, and network slice 3, the network slices corresponding to communication services are network slice 4 and network slice 5, then at least one network slice is selected from network slice 1, network slice 2, and network slice 3 and assigned to the application Program A, selects at least one network slice from network slice 4 and network slice 5 and assigns it to application B.
  • FIG. 2 a specific flowchart of pre-assigning network slices to application types is shown in FIG. 2 , and includes the following steps.
  • Step 1021 Acquire several network slices through the built-in first non-data card, and activate the network slices.
  • the terminal manufacturer subscribes the network slicing service to the network operator in advance, and when the terminal wants to use the network slicing service provided by the network, the terminal needs to register in the network through a non-data card, as follows:
  • the data card sends the registration request message Registration Request to the network side, and the registration request message carries the request network slice selection assistance information (Request Network Slice Selection Assistance Information, Request-NSSAI).
  • Request-NSSAI Request Network Slice Selection Assistance Information
  • the network side After the network side receives the registration request message, the network side queries The subscription information of the terminal manufacturer, and according to the subscription S-NSSAI (Subscribed Single Network Slice Selection Assistance Information, Subscribed S-NSSAIs) contained in the subscription message to verify which network slice selection assistance information (Network Slice Selection Assistance) in the Request-NSSAI Information, NSSAI) is allowed, and the allowed NSSAI (Allowed Network Slice Selection Assistance Information, Allowed NSSAI) in the registration reception message Registration Accept is brought to the terminal, and the terminal determines the network that the network allows the terminal's non-data card to use according to the Allowed NSSAI Slice; wherein, NSSAI is a set of single network slice selection assistance information (Single Network Slice Selection Assistance Information, S-NSSAI), and one S-NSSAI identifies one network slice.
  • S-NSSAI Subscribed Single Network Slice Selection Assistance Information
  • the first non-data card built in the terminal is used to register in the network, so that the network slice allowed by the first non-data card of the terminal to be used by the network can be determined according to the Allowed NSSAI, that is, several network slices can be obtained through the first non-data card Slicing, and the network slice carries DNN parameters.
  • the network slice establishes a data connection in advance according to the DNN parameters, so that the network slice is in an active state. When the application needs to use the network slice, it does not need to initiate a data connection. The data connection can be established.
  • Step 1022 classify each application according to the main business type of each application.
  • Step 1023 Match several network slices with each application type according to the network performance requirements of each application type on the network slice.
  • the terminal classifies each application according to the main service type of the application to obtain each application type, and the application types include but are not limited to the following categories: video, communication, payment, etc., for example: application A can perform service a or service b.
  • Service a is a video service
  • service b is a communication service
  • service a is the main service of application A
  • the application type of application A is video.
  • the terminal can match several network slices with each application type according to the application requirements in the application type, and store the application type and several network slices corresponding relationship.
  • the terminal may classify the applications according to the application types preset by the user and the requirements of each application type for the application programs, and then pre-classify the application programs according to the network performance requirements of the network slicing in the application types. Several network slices are matched with each application type, and the correspondence between application types and network slices is stored.
  • the terminal activates the network slice in advance, so that the network slice matched to each application type is in an active state.
  • the data connection can be established without initiating a data connection.
  • selecting at least one network slice to assign to the application from the network slices corresponding to the application type includes: if the application is running in the foreground, selecting a network slice with higher network performance from the K network slices corresponding to the application type L network slices, and assign L network slices to the application; or, if the application is running in the background, and no other running applications of the same application type as the application are detected, the corresponding application type Select L network slices with higher network performance among the K network slices in , and assign the L network slices to the application; wherein, L and K are both integers greater than zero, and L is less than or equal to K. Selecting L network slices with higher network performance from K network slices corresponding to application types means sorting the K network slices corresponding to application types in descending order of network performance, and selecting the first L network slices.
  • network performance refers to the QoS of network slices, such as: high-rate QoS, medium-rate QoS, low-rate QoS, low-latency and high-reliability QoS, etc., among which, the high-rate QoS network slice And network slices with low latency and high reliable service quality can be considered as network slices with high network performance.
  • network slices such as: high-rate QoS, medium-rate QoS, low-rate QoS, low-latency and high-reliability QoS, etc.
  • the high-rate QoS network slice and network slices with low latency and high reliable service quality can be considered as network slices with high network performance.
  • there are 3 network slices corresponding to the application type which are high-rate QoS, medium-rate QoS, and low-latency and high-reliable QoS.
  • two network slices with higher network performance are selected, that is, network slices with high-rate service quality, low-latency and high-reliable service quality are allocated to application A.
  • 2 network slices with higher network performance can be selected from the 3 network slices to assign a high rate Network slices with QoS, low latency and high reliable QoS are given to application A.
  • the application can arbitrarily select from the network slice corresponding to the application type. Selecting a network slice with higher network performance to assign to the application can make the application run better.
  • the application switches from the foreground running state to the background running state, and no other running applications of the same application type as the application are detected, select the L with higher network performance from the K network slices corresponding to the application type. network slices, and assign L network slices to the application; if the application switches from the background running state to the foreground running state, select L network slices with higher network performance from the K network slices corresponding to the application type, and Allocate L network slices to the application.
  • any L network slices are selected from K network slices corresponding to the application type and allocated to the application, where L is less than or equal to K. If the application is running in the background and no other running applications of the same application type as the application are detected, select any L network slices from the K network slices corresponding to the application type and assign them to the application, L less than or equal to K.
  • the application if the application is running in the foreground, and other applications of the same application type as the application are detected that are running in the background, select the L network with higher network performance from the K network slices corresponding to the application type. network slices, and assign L network slices to the application, where L is less than K. Specifically, the application running in the foreground selects some network slices with higher network performance from the network slices corresponding to the application type, and other applications running in the background can use the remaining network slices. Through this method, network slices can be allocated more reasonably, so that other applications in the background running state of the same application type as the application also have network slices that can be used.
  • L network slices are selected from the K network slices corresponding to the application type, and Assign L network slices to the application, where L is less than K.
  • the application running in the foreground selects some network slices from the network slices corresponding to the application type, and other applications running in the background can use the remaining network slices.
  • network slices can be allocated more reasonably, so that other applications in the background running state of the same application type as the application also have network slices that can be used.
  • the method further includes: selecting at least one network slice from the remaining (KL) network slices to allocate to other applications. In this way, at least one network slice is selected from the remaining network slices and assigned to other applications running in the background, so that other applications running in the background also have available network slices.
  • At least one network slice is selected from the remaining (KL) network slices to be allocated to other applications, including: if there are multiple other applications, according to the priorities of other applications and the remaining (KL) network slices
  • For the network performance of the network slice at least one network slice is selected from the remaining (KL) network slices and allocated to other applications; wherein, the higher the priority of other applications, the higher the network performance of the allocated network slice.
  • the terminal pre-stores the correspondence between applications and priorities under each application type, and the priority of the application can be known by querying the corresponding relationship, and the application with a higher priority has a higher demand for the network performance of the network slice. high. Therefore, the terminal can select at least one network slice from the remaining (KL) network slices and assign it to other applications according to the priority of the application running in the background. The higher the network performance of slices. Among them, when the number of network slices of other applications running in the background is greater than (K-L), the same network slice can be allocated to the application with lower priority.
  • the priority order is B>C>D
  • the number of remaining network slices is 3, and network slices 1 and 1 2 is a network slice with medium-rate QoS, and network slice 3 is a network slice with low-rate QoS, then network slices 1 and 2 are allocated to applications B and C, and network slice 3 is allocated to application D.
  • the number of remaining network slices is 2, and network slices 1 and 2 are network slices with medium-rate QoS and network slices with low-rate QoS, respectively, network slice 1 is allocated to application B, and network slice 2 is allocated to application Procedures C and D. Since the priorities of the applications are different, the network performance requirements of the network slices are also different. Therefore, the allocation of the remaining network slices can be performed more reasonably according to the priorities of the applications.
  • any L network slices are selected from the K network slices corresponding to the application type. Assigned to the application, L is less than or equal to K.
  • At least one network slice is selected from the K network slices corresponding to the application type and assigned to Applications running in the background.
  • the priority of each application in the background running state and the corresponding application type are monitored.
  • the network performance of the network slice is to select at least one network slice from the K network slices corresponding to the application type and assign it to each application running in the background.
  • the application type to which the application program belongs is determined; from the network slices corresponding to the application type, at least one network slice is selected and assigned to the application program; wherein, the network slice corresponding to the application type Refers to the pre-assigned network slices for the application type. Because the application types of the applications are different, the network performance requirements for network slices are different, so the network slices pre-allocated for the application types are the network slices that meet the requirements of the application. Then select at least one network slice from the network slices corresponding to the application type and assign it to the application, so that the network slice allocated to the application is a network slice that meets its needs, that is, to implement network slicing according to the needs of the application. distribute.
  • the second embodiment of the present application relates to a method for allocating network slices.
  • the second embodiment is substantially the same as the first embodiment, except that: after selecting at least one network slice to allocate to an application, the method further includes: if Changes in network performance requirements for network slices by applications are monitored, the reasons for the changes in network performance requirements are determined, and network slices allocated to applications are adjusted according to the reasons.
  • FIG. 3 A specific flowchart of the method for allocating network slices in this embodiment is shown in FIG. 3 , and includes the following steps.
  • Step 201 if the application program in the running state is monitored, determine the application type to which the application program belongs.
  • Step 202 from the network slices corresponding to the application type, select at least one network slice to assign to the application; wherein, the network slice corresponding to the application type refers to a network slice that is pre-matched for the application type.
  • steps 201-202 are similar to steps 101-102 in the first embodiment, and are not repeated here.
  • Step 203 if a change in the network performance requirement of the application program for the network slice is monitored, the reason for the change in the network performance requirement is determined, and the network slice allocated to the application program is adjusted according to the reason.
  • changes will occur, such as: changes in the running state, changes in the execution of services, changes in the number of executed services, etc. These changes will lead to changes in the application's network performance requirements for network slicing.
  • the application's network performance requirements for network slices change, first determine the reasons for the changes in network performance requirements, and then adjust the network slices allocated to the network program according to the reasons. Through such a method, the network slices allocated to the application can be adjusted according to the reasons for the change of the network performance requirements of the network slice by the application, so that the allocation is more reasonable.
  • adjusting the network slices allocated to the application according to the reason includes: if the reason is that the application type to which the current service of the application belongs has changed, selecting at least one network slice from the network slices corresponding to the changed application type. The slice is allocated to the application; if the reason is that the number of socket requests and/or download threads of the application is reduced, the network slice allocated to the application is reduced; if the reason is that the application is frozen, the network allocated to the application is cancelled slice.
  • the application may perform various services, and the terminal can determine the current service of the application by monitoring the data protocol used by the application. For example, if the data protocol used by the application is User Datagram Protocol (UDP) ), Real-time Transport Protocol (RTP) or Real-time Transport Control Protocol (RTSP), then determine that the current service of the application is a video service, if the data protocol used by the application is Secure Sockets Layer (Secure Sockets Layer, SSL) protocol, determine that the current business of the application is payment business, if the data protocol used by the application is HyperText Transfer Protocol (HyperText Transfer Protocol, Http), then determine the current business of the application The business is communication business.
  • UDP User Datagram Protocol
  • RTP Real-time Transport Protocol
  • RTSP Real-time Transport Control Protocol
  • SSL Secure Sockets Layer
  • Http HyperText Transfer Protocol
  • Http HyperText Transfer Protocol
  • the application type to which the current service of the application belongs is changed, it indicates that the application's demand for network slices has changed. From the network slices corresponding to the changed application type, at least one network slice is selected and assigned to the application, and at least one selected network slice is assigned to the application.
  • the specific process of allocating network slices to applications is similar to step 102 in the first embodiment, and details are not repeated here. If the number of socket requests and/or download threads of the application decreases, it means that the application's demand for network slices decreases at this time, and the network slices allocated to the application are reduced.
  • the number of socket requests and/or the number of download threads is always single, and the number of network slices that have been allocated to application A is network slice 1 and network slice 2, network slice 1 is the network slice with high-rate QoS , network slice 2 is a network slice with medium-rate service quality, then the network slices allocated to the application are reduced, and only one network slice 1 with higher network performance is reserved for application A. If the application is frozen, it means that the application does not need data transmission, and the network slice that has been allocated to the application is cancelled.
  • the terminal may adjust the network slice allocated to the application according to the reason for the change in the demand of the application, so as to make the allocation more reasonable.
  • the third embodiment of the present application relates to a method for allocating network slices.
  • the third embodiment is substantially the same as the first embodiment, and the main difference is that: after selecting at least one network slice to allocate to an application, the method further includes: if When the battery power is detected to be less than the preset value, the network slice allocated to the application can be adjusted.
  • FIG. 4 A specific flowchart of the method for allocating network slices in this embodiment is shown in FIG. 4 , and includes the following steps.
  • Step 301 if an application program in a running state is monitored, determine the application type to which the application program belongs.
  • Step 302 Select at least one network slice from the network slices corresponding to the application type and assign it to the application; wherein, the network slice corresponding to the application type refers to a network slice that is pre-matched for the application type.
  • steps 301-302 are similar to steps 101-102 in the first embodiment, and are not repeated here.
  • Step 303 if it is detected that the power of the battery is less than the preset value, reduce the network slice allocated to the application running in the foreground, and/or when the network slice allocated to the application running in the background is greater than 1 , make all applications in the background running state use one network slice, when the network slice allocated to the application running in the background state is equal to 1, cancel the network slice allocated to the application running in the background state.
  • the preset value may be set according to actual needs, which is not specifically limited in this embodiment.
  • the preset value When it is detected that the power of the battery is less than the preset value, it means that the power of the battery is too low at this time.
  • the terminal can reduce the network slices allocated to the application running in the foreground, but at least one network slice needs to be reserved for the applications running in the foreground. state applications use, and/or, when more than 1 network slice is assigned to an application in the background state, make all applications in the background state use one network slice.
  • the terminal may reduce the network slices allocated to the application running in the foreground but still need to reserve at least one network slice for the application running in the foreground, and/or, When the network slice assigned to the application in the background state is equal to 1, the network slice assigned to the application in the background state is unassigned.
  • the network slice allocated to the application in the foreground running state is reduced, and/or when the network slice allocated to the application running in the background state is greater than 1 , the network slice assigned to the application in the background running state is unassigned.
  • the method further includes: if it is detected that the application's demand for the network performance of the network slice changes, determining the reason for the change in the network performance demand, and adjusting according to the reason The network slice assigned to the application.
  • the terminal can adjust the allocation of network slices according to the power of the battery, thereby saving power consumption of the battery.
  • the fourth embodiment of the present application relates to a method for allocating network slices.
  • the fourth embodiment is roughly the same as the first embodiment, and the main difference is that the network slices matched to each application type are obtained through the built-in first non-data The network slice obtained by the card, after selecting at least one network slice and assigning it to the application program, further comprising: if it is monitored that the quality index value of the network slice allowed by the network to be used by the first non-data card is less than the preset index value, determining the network slice The network slice that is allowed to be used by the second non-data card; if the network slice that is allowed to be used by the second non-data card meets the requirements of each application type for the network slice, the network slice corresponding to each application type is reset.
  • FIG. 5 A specific flowchart of the method for allocating network slices in this embodiment is shown in FIG. 5 , and includes the following steps.
  • Step 401 if an application program in a running state is monitored, determine the application type to which the application program belongs.
  • Step 402 Select at least one network slice from the network slices corresponding to the application type and assign it to the application; wherein, the network slice corresponding to the application type refers to a network slice that is pre-matched for the application type.
  • steps 401-402 are similar to steps 101-102 in the first embodiment, and are not repeated here.
  • Step 403 if it is monitored that the network performance index value of the network slice obtained through the first non-data card is less than the preset index value, the network slice is obtained through the built-in second non-data card.
  • the preset index value may be set according to actual needs, which is not specifically limited in this embodiment.
  • There are at least two non-data cards in the terminal and the network slice matched to each application type is the network slice obtained through the built-in first non-data card. If the terminal monitors the network performance index value of the network slice obtained by the first non-data card If it is less than the preset index value, it means that the network slicing at this time cannot meet the network performance requirements of the application program for the network slicing, and the terminal will then register in the network through the second non-data card to determine that the network allows the use of the second non-data card.
  • the specific method of obtaining the network slice through the second non-data card and determining the network slice allowed by the second non-data card is similar to step 1021 in the first embodiment, and will not be repeated here.
  • Step 404 if the network slice obtained through the second non-data card can meet the service requirements of each application type, re-match the network slice for each application type according to the network slice obtained by the second non-data card.
  • the Each application type matches the network slice, that is, the network slice obtained by the second non-data card is pre-matched for each application type, and the specific method of pre-matching the network slice obtained by the second non-data card for each application type is the same as that in the first embodiment.
  • the steps 1022 and 1023 are similar, and are not repeated here.
  • the method further includes: if the network performance requirement of the application for the network slice changes is monitored, determining the reason for the change in the network performance requirement, and adjusting the distribution to the application according to the reason. Network slicing for applications.
  • the method further includes: if it is detected that the battery power is less than the preset value, reducing the network slice allocated to the application in the foreground running state, and/or when When the network slice allocated to the application in the background running state is greater than 1, make all the applications in the background running state use one network slice, when the network slice allocated to the application in the background running state is equal to 1 , the network slice assigned to the application in the background running state is deallocated.
  • the method further includes: if the network performance requirement of the application for the network slice changes is monitored, determining the reason for the change in the network performance requirement, and adjusting the distribution to the application according to the reason.
  • the network slice of the application and if the battery power is detected to be less than the preset value, reduce the network slice allocated to the application running in the foreground, and/or, when the network slice allocated to the application running in the background When it is greater than 1, make all applications in the background running state use one network slice, when the network slice allocated to the application in the background running state is equal to 1, cancel the network slice allocated to the application in the background running state.
  • the terminal can meet the requirements of the application program for network slicing by switching and using the non-data card.
  • the fifth embodiment of the present application relates to a terminal, as shown in FIG. 6 , comprising: at least one processor 501; and a memory 502 connected in communication with the at least one processor 501; wherein, the memory 502 stores data that can be processed by the at least one processor 501.
  • the instructions are executed by the processor 501, and the instructions are executed by the at least one processor 501, so that the at least one processor 501 can execute the foregoing method for allocating network slices.
  • the memory and the processor are connected by a bus, and the bus may include any number of interconnected buses and bridges, and the bus connects one or more processors and various circuits of the memory.
  • the bus may also connect together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and therefore will not be described further herein.
  • the bus interface provides the interface between the bus and the transceiver.
  • a transceiver may be a single element or multiple elements, such as multiple receivers and transmitters, providing a means for communicating with various other devices over a transmission medium.
  • the data processed by the processor is transmitted on the wireless medium through the antenna, and further, the antenna also receives the data and transmits the data to the processor.
  • the processor is responsible for managing the bus and general processing, and can also provide various functions, including timing, peripheral interface, voltage regulation, power management, and other control functions. Instead, memory may be used to store data used by the processor in performing operations.
  • the sixth embodiment of the present application relates to a computer-readable storage medium storing a computer program.
  • the above method embodiments are implemented when the computer program is executed by the processor.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .

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Abstract

本申请实施例涉及一种网络切片的分配方法、终端及存储介质，属于通信领域。方法包括：若监测到处于运行状态的应用程序，确定所述应用程序所属的应用类型；从所述应用类型对应的网络切片中，选择至少一网络切片分配给所述应用程序；其中，所述应用类型对应的网络切片是指预先为所述应用类型匹配的网络切片。

Description

网络切片的分配方法、终端及存储介质
交叉引用
本申请基于申请号为“202010599503.0”、申请日为2020年06月28日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此以引入方式并入本申请。
技术领域
本申请实施例涉及通信领域，特别涉及一种网络切片的分配方法、终端及存储介质。
背景技术
网络切片是一种按需组网的方式，可以让运营商在统一的基础设施上分离出多个虚拟的端到端网络，每个网络切片从无线接入网到承载网再到核心网在逻辑上隔离，以适配各种各样类型的应用，其中，每个网络切片至少包括无线子切片、承载子切片和核心网子切片。
如果想要实现为不同的应用程序分配不同的切片，需要终端内预先配置UE路由选择策略(UE Route Selection Policy，URSP)或者从网络侧设备获取URSP，因为URSP中含有网络切片选择策略(Network Slice Selection Policy，NSSP)，且NSSP中包含数据网络名称(Data Network Name，DNN)和/或应用程序身份标识(Application Identity card，Application ID)等规则元素，所以当终端内的应用程序通过DNN和/或Application ID等发起数据连接时，就可以通过NSSP中的规则元素进行切片的匹配，从而实现为不同的应用程序分配需求的网络切片。然而，即使终端内配置有URSP，目前的大多数应用程序不会通过DNN和/或Application ID等发起数据连接，进而无法为不同的应用程序分配需求的网络切片。
发明内容
本申请实施例提供了一种网络切片的分配方法，包括：若监测到处于运行状态的应用程序，确定所述应用程序所属的应用类型；从所述应用类型对应的网络切片中，选择至少一网络切片分配给所述应用程序；其中，所述应用类型对应的网络切片是指预先为所述应用类型匹配的网络切片。
本申请实施例还提供了一种终端，包括：至少一个处理器；以及，与所述至少一个处理器通信连接的存储器；其中，所述存储器存储有可被所述至少一个处理器执行的指令，所述指令被所述至少一个处理器执行，以使所述至少一个处理器能够执行上述所述的网络切片的分配方法。
本申请实施例还提供了一种计算机可读存储介质，存储有计算机程序，所述计算机程序被处理器执行时实现上述所述的网络切片的分配方法。
附图说明
图1是本申请第一实施例中的网络切片的分配方法的流程图；
图2是本申请第一实施例中的预先为应用类型匹配网络切片的流程图；
图3是本申请第二实施例中的网络切片的分配方法的流程图；
图4是本申请第三实施例中的网络切片的分配方法的流程图；
图5是本申请第四实施例中的网络切片的分配方法的流程图；
图6是本申请第五实施例中的终端的结构示意图。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合附图对本申请的各实施例进行详细的阐述。然而，本领域的普通技术人员可以理解，在本申请各实施例中，为了使读者更好地理解本申请而提出了许多技术细节。但是，即使没有这些技术细节和基于以下各实施例的种种变化和修改，也可以实现本申请所要求保护的技术方案。以下各个实施例的划分是为了描述方便，不应对本申请的具体实现方式构成任何限定，各个实施例在不矛盾的前提下可以相互结合相互引用。
本申请实施例的目的在于提供一种网络切片的分配方法、终端及存储介质，可以实现根据应用程序的需求进行网络切片的分配。
本申请第一实施例涉及一种网络切片的分配方法，应用于终端，例如：手机等。
本实施例的网络切片的分配方法的具体流程如图1所示，包括以下步骤。
步骤101，若监测到处于运行状态的应用程序，确定应用程序所属的应用类型。
步骤102，从应用类型对应的网络切片中，选择至少一网络切片分配给应用程序；其中，应用类型对应的网络切片是指预先为应用类型匹配的网络切片。
具体地说，终端按照应用程序的主业务类型，将各应用程序进行分类，得到各应用类型，应用类型包括但不限于以下几类：视频类、通信类、支付类等，由于应用程序的应用类型不同，对于网络切片的网络性能的需求不同，所以终端可以根据应用类型中应用程序的需求预先为各应用类型匹配网络切片，并存储应用类型和网络切片的对应关系，这样通过查询对应关系可以知道预先为应用类型匹配的网络切片，应用类型和网络切片的对应关系可以以表格等形式进行存储，本实施例不做具体限定。
终端可以实时监测各应用程序，也可以按照预设周期监测各应用程序，预设周期可以根据实际需要进行设定，本实施例不做具体限定。若终端监测到存在应用程序处于运行状态，确定处于运行状态的应用程序所属的应用类型，再通过查询应用类型和网络切片的对应关系，可以确定应用程序对应的网络切片，并从中选择至少一网络切片分配给应用程序。例如：若终端监测到处于运行状态的应用程序A和应用程序B，应用程序A所属的应用类型为视频类业务，应用程序B所属的应用类型为通信类业务，视频类业务对应的网络切片为网络切片1、网络切片2和网络切片3，通信类业务对应的网络切片为网络切片4和网络切片5，则从网络切片1、网络切片2和网络切片3中选择至少一网络切片分配给应用程序A，从网络切片4和网络切片5中选择至少一网络切片分配给应用程序B。
在一个例子中，预先为应用类型分配网络切片的具体流程图如图2所示，包括以下步骤。
步骤1021，通过内置的第一非数据卡获取若干个网络切片，并将网络切片进行激活。
具体地说，终端生产商预先向网络运营商订阅网络切片的服务，而终端要想使用网络提供的网络切片的服务时，需要终端通过非数据卡在网络中进行注册，具体如下：终端通过非数据卡发送注册请求消息Registration Request至网络侧，且注册请求消息中携带请求网络切片选择辅助信息(Request Network Slice Selection Assistance Information，Request-NSSAI)，网络侧在收到注册请求消息后，网络侧查询终端生产商的订阅信息，并根据订阅消息中包含的订阅S-NSSAI(Subscribed Single Network Slice Selection Assistance Information，Subscribed S-NSSAIs)来验证Request-NSSAI中的哪些网络切片选择辅助信息(Network Slice Selection Assistance Information，NSSAI)是被允许的，并通过注册接收消息Registration Accept中的允许NSSAI(Allowed Network Slice Selection Assistance Information，Allowed NSSAI)带给终端，终端根据Allowed NSSAI确定网络允许终端的非数据卡使用的网络切片；其中，NSSAI是单个网络切片选择辅助信息(Single Network Slice Selection Assistance Information，S-NSSAI)集合，一个S-NSSAI标识一个网络切片。本实施例中通过终端内置的第一非数据卡在网络中进行注册，从而可以根据Allowed NSSAI确定网络允许终端的第一非数据卡使用的网络切片，即通过第一非数据卡获取若干个网络切片，且网络切片中携带有DNN参数，网络切片预先根据DNN参数建立数据连接，使网络切片处于激活状态，当应用程序需要使用网路切片时，不需要发起数据连接，即可建立数据连接。
步骤1022，按照各应用程序的主业务类型，将各应用程序进行分类。
步骤1023，根据各应用类型对网络切片的网络性能的需求，将若干个网络切片和各应用类型进行匹配。
在一个例子中，终端按照应用程序的主业务类型，将各应用程序进行分类，得到各应用类型，应用类型包括但不限于以下几类：视频类、通信类、支付类等，例如：应用程序A可以执行a业务，也可以执行b业务，a业务为视频业务，b业务为通信业务，但是a业务为应用程序A的主业务，所以应用程序A的应用类型为视频类。由于应用程序的应用类型不同，对于网络切片的网络性 能的需求不同，所以终端可以根据应用类型中应用程序的需求将若干个网络切片和各应用类型进行匹配，并存储应用类型和若干个网络切片的对应关系。例如：视频类的应用程序的需求为高带宽，则将视频类的应用程序和高速率服务质量的网络切片1、网络切片2和网络切片3进行匹配，通信类的应用程序的需求为低带宽，则将通信类的应用程序和低速率服务质量的网络切片4和网络切片5进行匹配，并将视频类和网络切片1、网络切片2、网络切片3的对应关系，以及通信类和网络切片4、网络切片5的对应关系进行存储。在另一个例子中，终端可以根据用户预先设定的应用类型，以及各应用类型对于应用程序的要求，将应用程序进行分类，再根据应用类型中应用程序对网络切片的网络性能的需求预先将若干个网络切片和各应用类型进行匹配，并存储应用类型和网络切片的对应关系。
终端通过预先将网络切片激活，使匹配给各应用类型的网络切片均处于激活状态，当应用程序需要使用网路切片时，不需要发起数据连接，即可建立数据连接。
在一个例子中，从应用类型对应的网络切片中，选择至少一网络切片分配给应用程序，包括：若应用程序处于前台运行状态，从应用类型对应的K个网络切片中选择网络性能较高的L个网络切片，并将L个网络切片分配给应用程序；或者，若应用程序处于后台运行状态，且未监测到与应用程序属于相同应用类型的处于运行状态的其他应用程序，从应用类型对应的K个网络切片中选择网络性能较高的L个网络切片，并将L个网络切片分配给应用程序；其中，L、K均为大于零的整数，且L小于或等于K。从应用类型对应的K个网络切片中选择网络性能较高的L个网络切片是指将应用类型对应的K个网络切片按照网络性能从高到低进行排序，从中选择前L个网络切片。
具体地说，网络性能是指网络切片的服务质量，如：高速率服务质量、中速率服务质量、低速率服务质量、低时延高可靠服务质量等等，其中，高速率服务质量的网络切片以及低时延高可靠服务质量的网络切片等可以认为是属于网络性能较高的网络切片。例如：应用类型对应的网络切片为3个，分别为高速率服务质量、中速率服务质量、低时延高可靠服务质量的网络切片；若应用程序A处于前台运行状态，可以从3个网络切片中选择网络性能较高的2个网 络切片即分配高速率服务质量、低时延高可靠服务质量的网络切片给应用程序A。若应用程序A处于后台运行状态，且未监测到与应用程序属于相同应用类型的处于运行状态的其他应用程序，可以从3个网络切片中选择网络性能较高的2个网络切片即分配高速率服务质量、低时延高可靠服务质量的网络切片给应用程序A。在应用程序处于前台运行状态，以及应用程序处于后台运行状态且未监测到与应用程序属于相同应用类型的处于运行状态的其他应用程序时，应用程序可以从应用类型对应的网络切片任意进行选择，而选择网络性能较高的网络切片分配给应用程序，可以使应用程序处于的更好的运行。
若应用程序从前台运行状态切换至后台运行状态，且未监测到与应用程序属于相同应用类型的处于运行状态的其他应用程序，从应用类型对应的K个网络切片中选择网络性能较高的L个网络切片，并将L个网络切片分配给应用程序；若应用程序从后台运行状态切换至前台运行状态，从应用类型对应的K个网络切片中选择网络性能较高的L个网络切片，并将L个网络切片分配给应用程序。
在一个例子中，若应用程序处于前台运行状态，从应用类型对应的K个网络切片中选择任意L个网络切片分配给应用程序，L小于或等于K。若应用程序处于后台运行状态，且未监测到与应用程序属于相同应用类型的处于运行状态的其他应用程序，从应用类型对应的K个网络切片中选择任意L个网络切片分配给应用程序，L小于或等于K。
在一个例子中，若应用程序处于前台运行状态，且监测到与应用程序属于相同应用类型的处于后台运行状态的其他应用程序，从应用类型对应的K个网络切片中选择网络性能较高的L个网络切片，并将L个网络切片分配给应用程序，其中，L小于K。具体地说，处于前台运行状态的应用程序从应用类型对应的网络切片中选择了部分网络性能较高的网络切片，处于后台运行状态的其他应用程序可以使用剩余的网络切片。通过这样的方法，可以更加合理的进行网络切片的分配，使与应用程序属于相同应用类型的处于后台运行状态的其他应用程序也有可以使用的网络切片。
在一个例子中，若应用程序处于前台运行状态，且监测到与应用程序属于相同应用类型的处于后台运行状态的其他应用程序，从应用类型对应的K个网 络切片中选择L个网络切片，并将L个网络切片分配给应用程序，其中，L小于K。具体地说，处于前台运行状态的应用程序从应用类型对应的网络切片中选择了部分网络切片，处于后台运行状态的其他应用程序可以使用剩余的网络切片。通过这样的方法，可以更加合理的进行网络切片的分配，使与应用程序属于相同应用类型的处于后台运行状态的其他应用程序也有可以使用的网络切片。
在一个例子中，在若应用程序处于前台运行状态，且监测到与应用程序属于相同应用类型的处于后台运行状态的其他应用程序，从应用类型对应的K个网络切片中选择网络性能较高的L个网络切片，并将L个网络切片分配给应用程序之后，还包括：从剩余的(K-L)个网络切片中选择至少一网络切片分配给其他应用程序。通过这样的方法，从剩余的网络切片中选择至少一网络切片分配给处于后台运行状态的其他应用程序，使处于后台运行状态的其他应用程序也有可以使用的网络切片。
在一个例子中，从剩余的(K-L)个网络切片中选择至少一网络切片分配给其他应用程序，包括：若存在多个其他应用程序，根据其他应用程序的优先级和剩余的(K-L)个网络切片的网络性能，从剩余的(K-L)个网络切片中选择至少一网络切片分配给其他应用程序；其中，其他应用程序的优先级越高，分配到的网络切片的网络性能越高。
具体地说，终端预先存储有各应用类型下的应用程序和优先级的对应关系，查询对应关系可以知道应用程序的优先级，且优先级越高的应用程序对网络切片的网络性能的需求越高。所以终端可以根据处于后台运行状态的应用程序的优先级，从剩余的(K-L)个网络切片中选择至少一网络切片分配给其他应用程序，且其他应用程序的优先级越高，分配到的网络切片的网络性能越高。其中，处于后台运行状态的其他应用程序的网路切片的数量大于(K-L)时，可以为优先级较低的应用程序分配同一个网络切片。例如：若处于后台运行状态的其他应用程序的数量为3个，分别为B、C、D，且优先级排序为B>C>D，若剩余网络切片的数量为3，且网络切片1和2为中速率服务质量的网络切片，网络切片3为低速率服务质量的网络切片，则将网络切片1和网络切片2分配给应用程序B和C，将网络切片3分配给应用程序D，若剩余网络切片的数量 为2，且网络切片1和2分别为中速率服务质量的网络切片和低速率服务质量的网络切片，则将网络切片1分配给应用程序B，将网络切片2分配给应用程序C和D。由于应用程序的优先级不同，对于网络切片的网络性能的需求也不相同，所以根据应用程序的优先级进行剩余的网络切片的分配，可以更加合理的进行剩余的网络切片的分配。
在一个例子中，若应用程序处于后台运行状态，且未监测到与应用程序属于相同应用类型的处于运行状态的其他应用程序，从应用类型对应的K个网络切片中选择任意的L个网络切片分配给应用程序，L小于或等于K。
在一个例子中，若应用程序处于后台运行状态，且监测到与应用程序属于相同应用类型的处于后台运行状态的其他应用程序，从应用类型对应的K个网络切片中选择至少一网络切片分配给处于后台运行状态的各应用程序。
在一个例子中，若应用程序处于后台运行状态，且监测到与应用程序属于相同应用类型的处于后台运行状态的其他应用程序，根据处于后台运行状态的各应用程序的优先级和应用类型对应的网络切片的网络性能，从应用类型对应的K个网络切片中选择至少一网络切片分配给处于后台运行状态的各应用程序。
本实施例中，若监测到处于运行状态的应用程序，确定应用程序所属的应用类型；从应用类型对应的网络切片中，选择至少一网络切片分配给应用程序；其中，应用类型对应的网络切片是指预先为应用类型分配的网络切片。由于应用程序的应用类型不同，对网络切片的网络性能需求不同，所以预先为应用类型分配的网络切片是满足应用程序的需求的网络切片，若监测到处于运行状态的应用程序，先确定应用程序的应用类型，再从应用类型对应的网络切片中选择至少一个网络切片分配给应用程序，使得分配给应用程序的网络切片是满足其需求的网络切片，即实现根据应用程序的需求进行网络切片的分配。
本申请的第二实施例涉及一种网络切片的分配方法，第二实施例与第一实施例大致相同，主要区别之处在于：在选择至少一网络切片分配给应用程序之后，还包括：若监测到应用程序对网络切片的网络性能需求发生变化，确定使网络性能需求发生变化的原因，根据原因调整分配给应用程序的网络切片。
本实施例的网络切片的分配方法的具体流程图如图3所示，包括以下步骤。
步骤201，若监测到处于运行状态的应用程序，确定应用程序所属的应用 类型。
步骤202，从应用类型对应的网络切片中，选择至少一网络切片分配给应用程序；其中，应用类型对应的网络切片是指预先为应用类型匹配的网络切片。
其中，步骤201-202与第一实施例中的步骤101-102类似，在此不再赘述。
步骤203，若监测到应用程序对网络切片的网络性能的需求发生变化，确定使网络性能的需求发生变化的原因，根据原因调整分配给应用程序的网络切片。
具体地说，应用程序在运行过程中，会发生变化，如：运行状态的变化、执行业务的变化、执行业务的数量的变化等，这些变化会导致应用程序对网络切片的网络性能需求发生变化，若检测到应用程序对网络切片的网络性能需求发生变化时，先确定使网络性能需求发生变化的原因，再根据原因调整分配给网络程序的网络切片。通过这样的方法，可以根据应用程序的对网络切片的网络性能需求变化的原因调整分配给应用程序的网络切片，使分配更加的合理。
在一个例子中，根据原因调整分配给应用程序的网络切片，包括：若原因为应用程序的当前业务所属的应用类型发生了变化，从变化后的应用类型对应的网络切片中，选择至少一网络切片分配给应用程序；若原因为应用程序的套接字请求数和/或下载线程数降低，减少分配给应用程序的网路切片；若原因为应用程序被冻结，取消分配给应用程序的网络切片。
具体地说，应用程序可能可以执行多种业务，终端通过监测应用程序使用的数据协议可以确定应用程序的当前业务，例如：若应用程序使用的数据协议为用户数据报协议(User Datagram Protocol，UDP)、实时传输协议(Real-time Transport Protocol，RTP)或实时传输控制协议(Real-time Transport Control Protocol，RTSP)，则确定应用程序的当前业务为视频类业务，若应用程序使用的数据协议为安全套接层(Secure Sockets Layer，SSL)协议，则确定应用程序的当前业务为支付类业务，若应用程序使用的数据协议为超文本传输协议(HyperText Transfer Protocol，Http)，则确定应用程序的当前业务为通信类业务。若应用程序的当前业务所属的应用类型发生改变，说明应用程序对网络切片的需求发生改变，从变化后的应用类型对应的网络切片中，选择至少一网络切片分配给应用程序，选择的至少一网络切片分配给应用程序的具体过程与第 一实施例中的步骤102类似，在此不再赘述。若应用程序的套接字请求数和/或下载线程数降低，说明此时应用程序对于网络切片的需求降低，则减少分配给应用程序的网络切片。例如：如果套接字请求数和/或下载线程数始终保持单个，且已经分配给应用程序A的网络切片的数量为网络切片1和网络切片2，网络切片1为高速率服务质量的网络切片，网络切片2为中速率服务质量的网络切片，则减少分配给应用程序的网络切片，只将一个网络性能较高的网络切片1留给应用程序A。若应用程序被冻结，说明该应用程序不需要进行数据传输，则取消已经分配给应用程序的网络切片。
本实施例中，终端可以根据应用程序的需求变化的原因调整分配给应用程序的网络切片，使分配更加的合理。
本申请的第三实施例涉及一种网络切片的分配方法，第三实施例与第一实施例大致相同，主要区别之处在于：在选择至少一网络切片分配给应用程序之后，还包括：若监测到电池的电量小于预设数值，可以调整分配给应用程序的网络切片。
本实施例的网络切片的分配方法的具体流程图如图4所示，包括以下步骤。
步骤301，若监测到处于运行状态的应用程序，确定应用程序所属的应用类型。
步骤302，从应用类型对应的网络切片中，选择至少一网络切片分配给应用程序；其中，应用类型对应的网络切片是指预先为应用类型匹配的网络切片。
其中，步骤301-302与第一实施例中的步骤101-102类似，在此不再赘述。
步骤303，若监测到电池的电量小于预设数值，减少分配给处于前台运行状态的应用程序的网络切片，和/或，当分配给处于后台运行状态的应用程序的网路切片大于1个时，使所有的处于后台运行状态的应用程序使用一个网络切片，当分配给处于后台运行状态的应用程序的网路切片等于1个时，取消分配给处于后台运行状态的应用程序的网络切片。
具体地说，预设数值可以根据实际需要进行设定，本实施例不做具体限定。当检测到电池的电量小于预设数值时，说明此时电池的电量过低，终端可以减少分配给处于前台运行状态的应用程序的网络切片，但是还需要保留至少一个网路切片给处于前台运行状态的应用程序使用，和/或，当分配给处于后台运行 状态的应用程序的网路切片大于1个时，使所有处于后台运行状态的应用程序使用一个网络切片。
当检测到电池的电量小于预设数值时，终端可以减少分配给处于前台运行状态的应用程序的网络切片但是还需要保留至少一个网路切片给处于前台运行状态的应用程序使用，和/或，当分配给处于后台运行状态的应用程序的网路切片等于1个时，取消分配给处于后台运行状态的应用程序的网络切片。
在一个例子中，若监测到电池的电量小于预设数值，减少分配给处于前台运行状态的应用程序的网络切片，和/或，当分配给处于后台运行状态的应用程序的网路切片大于1个时，取消分配给处于后台运行状态的应用程序的网络切片。
在一个例子中，在选择至少一网络切片分配给应用程序之后，还包括：若监测到应用程序对网络切片的网络性能的需求发生变化，确定使网络性能的需求发生变化的原因，根据原因调整分配给应用程序的网络切片。
本实施例中，终端可以根据电池的电量调整网络切片的分配，从而节省电池的电量消耗。
本申请的第四实施例涉及一种网络切片的分配方法，第四实施例与第一实施例大致相同，主要区别之处在于：匹配给各应用类型的网络切片为通过内置的第一非数据卡获取的网络切片，在选择至少一网络切片分配给所述应用程序之后，还包括：若监测到网络允许第一非数据卡使用的网路切片的质量指标值小于预设指标值，确定网络允许第二非数据卡使用的网络切片；若允许第二非数据卡使用的网络切片满足各应用类型对于网络切片的需求，重新设定各应用类型对应的网络切片。
本实施例的网络切片的分配方法的具体流程图如图5所示，包括以下步骤。
步骤401，若监测到处于运行状态的应用程序，确定应用程序所属的应用类型。
步骤402，从应用类型对应的网络切片中，选择至少一网络切片分配给应用程序；其中，应用类型对应的网络切片是指预先为应用类型匹配的网络切片。
其中，步骤401-402与第一实施例中的步骤101-102类似，在此不再赘述。
步骤403，若监测到通过第一非数据卡获取的网络切片的网络性能指标值 小于预设指标值，通过内置的第二非数据卡获取网络切片。
具体地说，预设指标值可以根据实际需要进行设定，本实施例不做具体限定。终端内至少存在两个非数据卡，匹配给各应用类型的网络切片为通过内置的第一非数据卡获取的网络切片，若终端监测到第一非数据卡获取的网络切片的网络性能指标值小于预设指标值时，说明此时的网络切片无法满足应用程序对网络切片的网络性能需求，则终端再通过第二非数据卡在网络中进行注册，从而确定网络允许第二非数据卡使用的网络切片，即通过第二非数据卡获取网络切片，确定网络允许第二非数据卡使用的网络切片的具体方法与第一实施例中的步骤1021类似，在此不再赘述。
步骤404，若通过第二非数据卡获取的网络切片能够满足各应用类型的业务需求，根据第二非数据卡获取的网络切片，重新为各应用类型匹配网络切片。
具体地说，在通过第二非数据卡获取网络切片后，若通过第二非数据卡获取的网络切片能够满足各应用类型的业务需求时，根据第二非数据卡获取的网络切片，重新为各应用类型匹配网络切片，即预先为各应用类型匹配第二非数据卡获取的网路切片，预先为各应用类型匹配第二非数据卡获取的网路切片的具体方法与第一实施例中的步骤1022和1023类似，在此不再赘述。
在一个例子中，在选择至少一网络切片分配给应用程序之后，还包括：若监测到应用程序对网络切片的网络性能需求发生变化，确定使网络性能需求发生变化的原因，根据原因调整分配给应用程序的网络切片。
在一个例子中，在选择至少一网络切片分配给应用程序之后，还包括：若监测到电池的电量小于预设数值，减少分配给处于前台运行状态的应用程序的网络切片，和/或，当分配给处于后台运行状态的应用程序的网路切片大于1个时，使所有的处于后台运行状态的应用程序使用一个网络切片，当分配给处于后台运行状态的应用程序的网路切片等于1个时，取消分配给处于后台运行状态的应用程序的网络切片。
在一个例子中，在选择至少一网络切片分配给应用程序之后，还包括：若监测到应用程序对网络切片的网络性能需求发生变化，确定使网络性能需求发生变化的原因，根据原因调整分配给应用程序的网络切片；以及若监测到电池的电量小于预设数值，减少分配给处于前台运行状态的应用程序的网络切片， 和/或，当分配给处于后台运行状态的应用程序的网路切片大于1个时，使所有的处于后台运行状态的应用程序使用一个网络切片，当分配给处于后台运行状态的应用程序的网路切片等于1个时，取消分配给处于后台运行状态的应用程序的网络切片。
本实施例中，终端可以通过非数据卡的切换使用来满足应用程序对于网络切片的需求。
本申请第五实施例涉及一种终端，如图6所示，包括：至少一个处理器501；以及，与至少一个处理器501通信连接的存储器502；其中，存储器502存储有可被至少一个处理器501执行的指令，指令被至少一个处理器501执行，以使至少一个处理器501能够执行上述的网络切片的分配方法。
其中，存储器和处理器采用总线方式连接，总线可以包括任意数量的互联的总线和桥，总线将一个或多个处理器和存储器的各种电路连接在一起。总线还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路连接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口在总线和收发机之间提供接口。收发机可以是一个元件，也可以是多个元件，比如多个接收器和发送器，提供用于在传输介质上与各种其他装置通信的单元。经处理器处理的数据通过天线在无线介质上进行传输，进一步，天线还接收数据并将数据传送给处理器。
处理器负责管理总线和通常的处理，还可以提供各种功能，包括定时，外围接口，电压调节、电源管理以及其他控制功能。而存储器可以被用于存储处理器在执行操作时所使用的数据。
本申请第六实施例涉及一种计算机可读存储介质，存储有计算机程序。计算机程序被处理器执行时实现上述方法实施例。
即，本领域技术人员可以理解，实现上述实施例方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成，该程序存储在一个存储介质中，包括若干指令用以使得一个设备(可以是单片机，芯片等)或处理器(processor)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的 介质。
本领域的普通技术人员可以理解，上述各实施例是实现本申请的具体实施例，而在实际应用中，可以在形式上和细节上对其作各种改变，而不偏离本申请的精神和范围。

Claims (12)

  1. 一种网络切片的分配方法，包括：
    若监测到处于运行状态的应用程序，确定所述应用程序所属的应用类型；
    从所述应用类型对应的网络切片中，选择至少一网络切片分配给所述应用程序；其中，所述应用类型对应的网络切片是指预先为所述应用类型匹配的网络切片。
  2. 根据权利要求1所述的网络切片的分配方法，其中，所述从所述应用类型对应的网络切片中，选择至少一网络切片分配给所述应用程序，包括：
    若所述应用程序处于前台运行状态，从所述应用类型对应的K个网络切片中选择网络性能较高的L个网络切片，并将所述L个网络切片分配给所述应用程序；或者，
    若所述应用程序处于后台运行状态，且未监测到与所述应用程序属于相同应用类型的处于运行状态的其他应用程序，从所述应用类型对应的K个网络切片中选择网络性能较高的L个网络切片，并将所述L个网络切片分配给所述应用程序；
    其中，L、K均为大于零的整数，且L小于或等于K。
  3. 根据权利要求2所述的网络切片的分配方法，其中，所述若所述应用程序处于前台运行状态，从所述应用类型对应的K个网络切片中选择网络性能较高的L个网络切片，并将所述L个网络切片分配给所述应用程序，包括：
    若所述应用程序处于前台运行状态，且监测到与所述应用程序属于相同应用类型的处于后台运行状态的其他应用程序，从所述应用类型对应的K个网络切片中选择网络性能较高的L个网络切片，并将所述L个网络切片分配给所述应用程序，其中，L小于K。
  4. 根据权利要求3所述的网络切片的分配方法，其中，在所述若所述应用程序处于前台运行状态，且监测到与所述应用程序属于相同应用类型的处于后台运行状态的其他应用程序，从所述应用类型对应的K个网络切片中选择网络性能较高的L个网络切片，并将所述L个网络切片分配给所述应用程序之后，还包括：
    从剩余的(K-L)个网络切片中选择至少一网络切片分配给所述其他应用 程序。
  5. 根据权利要求4所述的网络切片的分配方法，其中，所述从剩余的(K-L)个网络切片中选择至少一网络切片分配给所述其他应用程序，包括：
    若存在多个所述其他应用程序，根据所述其他应用程序的优先级和所述剩余的(K-L)个网络切片的网络性能，从剩余的(K-L)个网络切片中选择至少一网络切片分配给所述其他应用程序；其中，所述其他应用程序的优先级越高，分配到的网络切片的网络性能越高。
  6. 根据权利要求1所述的网络切片的分配方法，其中，在所述选择至少一网络切片分配给所述应用程序之后，还包括：
    若监测到所述应用程序对网络切片的网络性能的需求发生变化，确定使所述网络性能的需求发生变化的原因，根据所述原因调整分配给所述应用程序的网络切片。
  7. 根据权利要求6所述的网络切片的分配方法，其中，所述根据所述原因调整分配给所述应用程序的网络切片，包括：
    若所述原因为所述应用程序的当前业务所属的应用类型发生了变化，从变化后的应用类型对应的网络切片中，选择至少一网络切片分配给所述应用程序；
    若所述原因为所述应用程序的套接字请求数和/或下载线程数降低，减少分配给所述应用程序的网路切片；
    若所述原因为所述应用程序被冻结，取消分配给所述应用程序的网络切片。
  8. 根据权利要求1所述的网络切片的分配方法，其中，在所述选择至少一网络切片分配给所述应用程序之后，还包括：
    若监测到电池的电量小于预设数值，减少分配给处于前台运行状态的应用程序的网络切片，和/或，当分配给处于后台运行状态的应用程序的网路切片大于1个时，使所有的所述处于后台运行状态的应用程序使用一个网络切片，当分配给处于后台运行状态的应用程序的网路切片等于1个时，取消分配给处于后台运行状态的应用程序的网络切片。
  9. 根据权利要求1所述的网络切片的分配方法，其中，匹配给各应用类型的网络切片为通过内置的第一非数据卡获取的网络切片；在所述选择至少一网络切片分配给所述应用程序之后，还包括：
    若监测到通过所述第一非数据卡获取的网络切片的网络性能指标值小于预设指标值，通过内置的第二非数据卡获取网络切片；
    若通过所述第二非数据卡获取的网络切片能够满足所述各应用类型的业务需求，根据所述第二非数据卡获取的网络切片，重新为所述各应用类型匹配网络切片。
  10. 根据权利要求1所述的网络切片的分配方法，其中，通过以下方式预先为所述应用类型匹配网络切片：
    通过内置的第一非数据卡获取若干个网络切片，并将所述网络切片进行激活；
    按照各应用程序的主业务类型，将各应用程序进行分类；
    根据各所述应用类型对网络切片的网络性能的需求，将所述若干个网络切片和各应用类型进行匹配。
  11. 一种终端，包括：
    至少一个处理器；以及，
    与所述至少一个处理器通信连接的存储器；其中，
    所述存储器存储有可被所述至少一个处理器执行的指令，所述指令被所述至少一个处理器执行，以使所述至少一个处理器能够执行如权利要求1至10中任一项所述的网络切片的分配方法。
  12. 一种计算机可读存储介质，存储有计算机程序，所述计算机程序被处理器执行时实现权利要求1至10中任一项所述的网络切片的分配方法。
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