WO2018119592A1 - Procédé et appareil de détermination de tranche de réseau - Google Patents

Procédé et appareil de détermination de tranche de réseau Download PDF

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Publication number
WO2018119592A1
WO2018119592A1 PCT/CN2016/112162 CN2016112162W WO2018119592A1 WO 2018119592 A1 WO2018119592 A1 WO 2018119592A1 CN 2016112162 W CN2016112162 W CN 2016112162W WO 2018119592 A1 WO2018119592 A1 WO 2018119592A1
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Prior art keywords
network
data network
information
network slice
slice
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PCT/CN2016/112162
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English (en)
Chinese (zh)
Inventor
朱强华
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华为技术有限公司
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Priority to PCT/CN2016/112162 priority Critical patent/WO2018119592A1/fr
Publication of WO2018119592A1 publication Critical patent/WO2018119592A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service

Definitions

  • the embodiments of the present application relate to the field of communications, and in particular, to a network slice determining method and apparatus.
  • Network segmentation technology is used to dynamically generate mobile networks based on service performance, carrier policies, resource distribution, and service areas to meet the needs of specific service scenarios.
  • a user equipment can access a data network through a network slice and access an application server in the data network to obtain a service or application service provided by the application server. Since one UE can access multiple network slices at the same time, and different network slices can be connected to the same data network, it is impossible to accurately know which network slice the UE accesses to the application server in the data network.
  • the embodiment of the present application provides a network slice determining method and device, which can accurately learn the network slice used by the UE to access the application server.
  • an embodiment of the present application provides a network slice determining method, including:
  • the slice retrieval function acquires identification information of an candidate network slice that the UE can access, identification information of the first data network, and address range information corresponding to the candidate network slice, where the a data network is a data network corresponding to the candidate network slice;
  • the SRF acquires identification information of a second data network, and address information of the UE in the second data network, where the second data network is a data network where an application server serving the UE is located ;
  • the SRF is configured according to the identifier information of the candidate network slice, the identifier information of the first data network, the address range information, the identifier information of the second data network, and the second data of the UE.
  • the address information in the network determines the network slice used by the UE to access the application server.
  • the address range information may be jointly determined according to the identifier information of the candidate network slice and the identifier information of the data network corresponding to the candidate network slice.
  • the address range information may include an internet protocol (IP) address of the UE assigned to the data network corresponding to the alternate network slice; or, including an IP address assigned to the gateway within the alternate network slice.
  • IP internet protocol
  • the SRF may be located in a capability open platform or a Diameter routing agent (DRA).
  • DRA Diameter routing agent
  • the network slice determining method provided by the embodiment of the present application can accurately determine the network slice used by the UE to access the application server, and then perform communication interaction between the network slice and the application server.
  • the information, and the address information of the UE in the second data network determine a network slice used by the UE to access the application server.
  • the SRF is configured according to the address range information corresponding to the candidate network slice matched by the second data network, and the address information of the UE in the second data network. Determining that the network slice used by the UE to access the application server includes: the SRF, the address information of the UE in the second data network, and the candidate network slice matched by the second data network The address information in the corresponding address range information is matched; if the address information of the UE in the second data network is the same as the address information in the address range information corresponding to an alternative network slice, the SRF determines that the candidate network slice is the same The UE accesses the network slice used by the application server.
  • the SRF acquires the identifier information of the second data network, and the address information of the UE in the second data network includes: the SRF from the application server And receiving identifier information of the second data network, and address information of the UE in the second data network.
  • the SRF may receive, by using a slice manager or the candidate network slice, identifier information of the candidate network slice, identifier information of the first data network, and The address range information, wherein the slice manager is configured to generate the candidate network slice.
  • the method further includes: acquiring, by the SRF, identifier information of a function entity in the candidate network slice, where the identifier information of the function entity is used for the SRF identification The functional entity.
  • the method further includes: sending, by the SRF, a service request message of the application server to the determined network slice, where the service request of the application server is processed by the network slice .
  • the method further includes: the SRF processing, according to the determined network function information of the network slice, a service request sent by the application server, the network function information
  • the identification information of the determined network slice is included in the identifier.
  • the application server may provide application information to the network slice or obtain network information from the network slice to provide service value added or network value-added services, such as video acceleration, network optimization, and intelligence. Orchestration, customized services, etc., to improve service quality.
  • service value added or network value-added services such as video acceleration, network optimization, and intelligence. Orchestration, customized services, etc., to improve service quality.
  • the embodiment of the present application provides a network slice determining method, including:
  • the slice manager generates an alternative network slice for the UE to access; the slice manager sends the identifier information of the candidate network slice to the SRF, the identification information of the first data network, and the address corresponding to the candidate network slice Range information, wherein the first data network is a data network corresponding to the candidate network slice; such that the SRF determines that the UE accesses a network slice used by an application server.
  • the embodiment of the present application provides a device, where the network device has the function of implementing the SRF in the network slice determining method.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the apparatus includes a plurality of functional modules or units, and is used to implement any one of the foregoing network slice determining methods.
  • the apparatus includes a processor and a transceiver, where the processor is configured to support the apparatus to perform the corresponding one of the foregoing network slice determining methods in the first aspect.
  • the transceiver is used to support communication between the device and other network devices.
  • the apparatus can also include a memory for coupling with the processor that retains program instructions and data necessary for the apparatus to perform the network slice determination method described above.
  • the embodiment of the present application provides a slice manager, and the slice manager has a function of implementing the slice manager in the network slice determining method.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • an embodiment of the present application provides a communication system, where the communication system includes the apparatus described in the foregoing third aspect, and the slice manager in the fourth aspect.
  • the embodiment of the present application provides a computer storage medium for storing computer software instructions for the apparatus provided in the foregoing third aspect, which includes a program designed to execute the first aspect.
  • the embodiment of the present application provides a computer storage medium for storing computer software instructions for the apparatus provided in the fourth aspect, which includes a program designed to execute the second aspect.
  • an embodiment of the present application provides a computer program product comprising computer program code, the computer program code being executed by a computer unit to cause the computer unit to perform the operation of the network slice determining method in the first aspect.
  • an embodiment of the present application provides a computer program product comprising computer program code, the computer program code being executed by a computer unit to cause the computer unit to perform the operation of the network slice determining method in the second aspect.
  • FIG. 1 is a schematic diagram of a network architecture according to an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a method for determining a network slice according to an embodiment of the present application
  • FIG. 3 is a schematic diagram of a signaling flow of a method for determining a network slice according to an embodiment of the present disclosure
  • FIG. 4 is a schematic diagram of signaling flow of a method for determining a network slice according to an embodiment of the present disclosure
  • FIG. 5 is a schematic structural diagram of an apparatus 500 for determining a network slice according to an embodiment of the present application
  • FIG. 6 is a schematic structural diagram of an apparatus 600 for determining a network slice according to an embodiment of the present disclosure
  • FIG. 7 is a schematic structural diagram of a slice manager 700 according to an embodiment of the present application.
  • the technology described in the embodiments of the present application can be used in various wireless communication systems, such as 2G (2ed Generation) systems such as Global System for Mobile communications (GSM), and Wideband Code Division Multiple Access Wireless. 3G systems such as WCDMA) systems; 4G systems such as Long Term Evolution (LTE) systems, or Next Generation (NG) communication systems, such as 5G systems or evolved LTE (evolved LTE, eLTE) systems, etc.
  • 2G (2ed Generation) systems such as Global System for Mobile communications (GSM), and Wideband Code Division Multiple Access Wireless.
  • 3G systems such as WCDMA
  • 4G systems such as Long Term Evolution (LTE) systems, or Next Generation (NG) communication systems, such as 5G systems or evolved LTE (evolved LTE, eLTE) systems, etc.
  • LTE Long Term Evolution
  • NG Next Generation
  • the UE involved in the present application may include a handheld device having a wireless communication function, an in-vehicle device, a wearable device, a computing device, or other processing device connected to the wireless modem, and various shapes.
  • User equipment mobile station (MS), terminal, terminal equipment, and the like.
  • MS mobile station
  • terminal equipment terminal equipment
  • UE user equipment
  • connection refers to various connection modes such as a direct connection or an indirect connection, for example, two devices are connected through a communication interface, which is not limited in this embodiment.
  • the "network” and the “system” appearing in the embodiment of the present application express the same concept, and the communication system is a communication network.
  • FIG. 1 is a schematic diagram of a network architecture applicable to an embodiment of the present application.
  • the network architecture shown in FIG. 1 includes a mobile network and a data network, where the mobile network includes a UE, a base station device, and a network slice (network slice 1-3 shown in FIG. 1); a data network (data network, DN) ) includes an application server (AS), which is shown in Figure 1 as AS1, AS2, and AS3. As shown in FIG. 1 , the base station device and the network slice can communicate with each other. The user equipment accesses the base station device, and then connects to the network slice, and then accesses the AS in the data network through the network slice to obtain the service or service provided by the AS. Network slices can be generated by the slice manager based on different user needs.
  • the network device (hereinafter referred to as an NSSF device) having a network slice selection function (NSSF) may be based on information provided by the UE, such as a tenant identifier, a service type. Etc, or the number of UE subscriptions According to the network slice generated by the slice manager, an appropriate network slice access is selected for the UE, thereby performing service transmission.
  • NSSF device network slice selection function
  • the network slice described in the embodiment of the present application refers to a set of network functions and resources thereof, and the network functions form a complete logical network, and the logical network meets the service requirements with specific network features. Moreover, the network slices are logically isolated from each other, and the operation of one network slice does not affect the services of other network slices.
  • the network function includes not only the functions corresponding to the network nodes in the wireless network, but also the switching functions and other functions, such as the firewall function.
  • the network functions in the network slice can be divided into user plane functions and/or control plane functions. Control plane functions include mobility management, session management, access management, etc. User plane functions include data forwarding, quality of service (QoS) enforcement, and accounting.
  • QoS quality of service
  • a UE can access multiple network slices simultaneously, and each network slice is connected to one or more data networks.
  • the UE accesses network slices 1-3, respectively, and network slice 1 is connected to AS1, network slice 2 is connected to AS2, and network slice 3 is connected to AS3, where AS1 and AS2 belong to data network-1, AS2 Belongs to data network-2.
  • Each AS can provide different application services for the UE.
  • the UE can use the network slice 1 to perform mobile games, the network slice 2 to watch video, and the network slice 3 to perform Vehicle To Everything (V2X) service.
  • V2X Vehicle To Everything
  • the mobile network may acquire application/service information in the data network through a communication interface with the data network, such as an Rx interface, or a capability open platform, or the mobile network may provide network information to an application server where the application/service is located, thereby performing Network optimization or business optimization.
  • the application server where the application/service is located needs to exchange signaling with the network slice, for example, when a service request of the application server needs to be processed by a certain network slice, the application server firstly It is necessary to know which network slice the UE accesses to communicate with the network slice.
  • FIG. 2 is a schematic flowchart diagram of a network slice determining method according to an embodiment of the present application.
  • the method can be performed by a device or entity having a slice retrieval function (SRF).
  • SRF slice retrieval function
  • the device or entity with the SRF may be an open capability platform outside the network slice, or may be a DRA located outside the network slice, or may independently set a network device with an SRF, or set the SRF to other existing
  • the embodiment of the present application does not specifically limit this.
  • the SRF is specifically implemented by one or more functional units in the above capability open platform or DRA or other network devices.
  • the SRF can be shared by all network slices and establish a communication connection with each network slice, respectively. Can understand.
  • the SRF is only an expression of a specific function, and all the devices or devices capable of performing the network slice determining method described in the embodiments of the present application are within the protection scope of the embodiments of the present application.
  • the method includes:
  • the SRF obtains the identifier information of the candidate network slice that the UE can access, the identifier information of the first data network, and the address range information, where the first data network is a data network corresponding to the candidate network slice.
  • the address range information is used to indicate address information of a UE allocated to the first data network.
  • the SRF receives the identification information of the foregoing alternative network slice, the identification information of the first data network, and the address range information from the slice manager or the alternate network slice.
  • the candidate network slice refers to one or more network slices that the UE can access, or a network slice that satisfies the basic access conditions of the UE.
  • the NSSF device may select one or more network slices for access by the UE in the alternate network slice.
  • the SRF and the NSSF can be combined, that is, a network device has both the SRF and the NSSF functions.
  • each network slice corresponds to one or more data networks
  • the UE connects to an application server in the data network corresponding to the network slice through the attached network slice to obtain the service provided by the application server.
  • multiple network slices may exist in one mobile network, and some or all of the network slices may be attached to the UE, and the candidate network slice may include all or part of the network slice in the entire mobile network.
  • the network device with NSSF can be based on certain access conditions. For the UE, the network slice is selected in the candidate network slice, and the access condition may include the performance parameter, the configuration parameter, the subscription status of the UE, the network planning policy, and the like provided by the UE, which is not specifically limited in this embodiment of the present application.
  • the address range information includes address information of a UE allocated to a data network corresponding to the candidate network slice.
  • the address information of the UE allocated to the data network corresponding to the candidate network slice refers to that when the UE actually accesses an alternative network slice and accesses a certain data network through the network slice, the UE may be The address assigned to.
  • the address range information may include an interval or a set of IP addresses of UEs allocated to the data network; or, when a gateway in a network slice connected to the data network has a network address translation (NAT) function, address range information An interval or set of IP addresses assigned to gateways within the network slice may be included.
  • the SRF can search for the network slice to which the gateway belongs according to the IP address of the gateway, so as to obtain the identifier information of the network slice.
  • the address range information may be jointly determined according to the identifier information of the candidate network slice and the identifier information of the data network corresponding to the candidate network slice. Specifically, since different network slices can be connected to the same data network, the address information of the UE allocated to a certain data network should consider both the identification information of the data network and the identification information of the network slice corresponding to the data network. For example, if different network segments connected to the same data network are allocated non-overlapping UE IP address sets or network IP address sets, the SRF can distinguish different network slices according to the specific content of the address range information.
  • the SRF obtains the identifier information of the second data network, and the address information of the UE in the second data network, where the second data network is a data network where the application server serving the UE is located. .
  • the SRF receives, from the application server, identifier information of the second data network, and address information of the UE in the second data network.
  • the application server may send a request message that includes the IP address information of the UE to the SRF, and the SRF obtains a virtual local area network (VLAN) identifier according to the message.
  • the SRF parses the identification information of the second data network according to the obtained VLAN identifier.
  • the VLAN identifier is a media access control (Media Access) Identification information of the Control, MAC) layer.
  • the request message may directly include the VLAN identifier, and the SRF may determine the identifier information of the corresponding data network according to the VLAN identifier; or, when the request message does not include the VLAN identifier, the SRF The VLAN identifier of the data packet carrying the request message may be obtained, thereby determining identification information of the data network.
  • the SRF may obtain the identifier information of the data network corresponding to the physical port according to the physical port that receives the request message, where the physical port corresponds to the data network.
  • the request message may directly include IP address information of the UE and identifier information of the data network.
  • the SRF is based on the identifier information of the candidate network slice, the identifier information of the first data network, the address range information, the identifier information of the second data network, and the second data of the UE.
  • the address information in the network determines the network slice used by the UE to access the application server.
  • the SRF may first determine that the second is matched according to the identifier information of the candidate network slice, the identifier information of the first data network, and the identifier information of the second data network.
  • An alternate network slice of the data network since each candidate network slice corresponds to one data network, and different network slices can be connected to the same data network, when the SRF discovers one or more candidate network slices corresponding to the data network (ie, the first data network)
  • the SRF identifies the one or more candidate network slices as an alternate network slice that matches the second data network when the identity of the data network is the same as the identity of the data network that the UE has actually accessed (ie, the second data network).
  • the SRF can determine the network slice that the UE may use to access the second data network in all candidate network slices by using the above three pieces of identification information.
  • the SRF can record identification information that matches the alternate network slice of the second data network.
  • the SRF may determine, according to the address range information corresponding to the candidate network slice of the second data network, and the address information of the UE in the second data network, the network slice used by the UE to access the application server. . Specifically, the SRF may match the address information of the UE in the second data network with the address information in the address range information corresponding to the candidate network slice matched by the second data network; As a result, determining a device that matches the second data network A network slice in the selected network slice is a network slice used by the UE to access the application server.
  • the SRF may match the address information of the UE in the second data network to the address information in the address range information of each candidate network slice matching the second data network one by one, for example, the SRF determines that the UE is in the second data.
  • the address information in the network is within a range or set of UE IP addresses corresponding to an alternate network slice, and the SRF determines that the candidate network slice is a network slice used by the UE to access the application server in the second data network.
  • first data network and the “second data network” described in the embodiments of the present application are used for convenience of description only, and cannot limit any number or type of actual objects that they refer to.
  • the first data network is a data network corresponding to the candidate network slice
  • the second data network is a data network in which the application server serving the UE is located.
  • one or more candidate network slices may have one or more data networks
  • the first data network and the second data network may be the same data network; or, when multiple candidate network slices are connected to two or more data networks, that is, when there are two or more first data networks, The two data networks are one of the two or more first data networks.
  • the SRF provides the service for the UE according to the identifier information of the candidate network slice, the identifier information of the data network corresponding to the candidate network slice, and the address range information corresponding to the candidate network slice.
  • the identifier information of the data network where the application server is located, and the address information of the UE in the data network determine the network slice used by the UE to access the application server, so that the network slice and the application server can be enabled
  • the application server may provide application information to the network slice or obtain network information from the network slice to provide service value added or network value-added services, such as video acceleration, network optimization, intelligent orchestration, customization Service, etc., thereby improving the quality of service.
  • FIG. 3 is a schematic diagram of a signaling flow of a network slice determining method according to an embodiment of the present disclosure, where the method includes:
  • the SRF configures data network information.
  • the data network information may include a correspondence between a data network and a physical port, where the data network and the physical port have a one-to-one relationship, that is, one data network communicates with the mobile network through a physical port; or
  • the data network information includes the correspondence between the data network and the VLAN.
  • the data network and the VLAN have a one-to-one relationship.
  • the foregoing data network information may be pre-configured in the SRF, and the SRF may also receive the foregoing data network information from other network devices, which is not limited in this embodiment.
  • S302 The business support system (BSS) sends a slice request message to the slice manager, and requests the slice manager to generate a network slice.
  • BSS business support system
  • the slice request message may include identification information (or “data network identifier”, DN ID) and a slice requirement of the data network.
  • the slice requirement refers to various conditions to be considered for establishing a network slice, and the conditions may include one or more of a delay, a traffic model, a security, a coverage ratio, an access control, and the like.
  • the BSS may send a data network information list to the slice manager, where the list includes identification information of a plurality of data networks that are managed by the BSS.
  • the slice manager generates a network slice.
  • the slice manager generates one or more network slices according to the received slice request message, including: generating a specific functional entity in the network slice according to the slice requirement in the slice request message; and assigning a slice identifier to each network slice (slice identity, slice ID); associating the slice identifier with the data network identifier, that is, determining the data network to which each network slice is connected; and assigning an IP address range to each data network.
  • the IP address range refers to the IP address range of the UE that can access the data network, and the IP address range configured for different data networks can be reused.
  • the network slice generated by the slice manager can be used as an alternative network slice of the UE.
  • the NSSF device can select one or more of the network slices generated by the slice manager according to certain decision conditions. Attached to the UE. For specific decision conditions, reference may be made to the related content of the embodiment shown in FIG. 2, and details are not described herein.
  • S304 The slice manager registers with the SRF.
  • the slice manager may send slice registration information to the SRF, where the slice registration information includes identification information of the candidate network slice, identification information of the data network corresponding to each candidate network slice, and each candidate network Slice the corresponding address range information.
  • the candidate network slice is the network slice generated by the slice manager in step S303.
  • the slice registration information further includes a network function identity list (NF ID list), where the NF ID list includes identification information of a functional entity in the network slice generated by the slice manager, for example, some The identification of the user plane function within the network slice or the identification of the control plane function.
  • NF ID list includes identification information of a functional entity in the network slice generated by the slice manager, for example, some The identification of the user plane function within the network slice or the identification of the control plane function.
  • the SRF can accurately identify the functional entities in the network slice.
  • the SRF can directly use the identification information of the functional entity in the subsequent service processing related to the specific functional entity, and does not need to obtain the request from the slice manager or the network slice.
  • S305 The slice manager sends a slice response message to the BSS.
  • the slice response message is used to notify the BSS that the network slice is established.
  • S306 The UE is attached to one or more network slices.
  • a functional entity in the network slice such as a control plane entity, may report network information, such as congestion of the cell, context information of the UE, to the SRF after the UE attaches to the network slice, where
  • the context information of the UE includes information such as the location, IP address, mobility path, and QoS of the UE.
  • the capability open platform can optimize the network slice according to the network information.
  • the capability opening platform may send network information to the application server, for example, to notify the application server of network congestion, and the application server may actively adjust the data transmission rate in order not to lose data;
  • the application server may send a path request message to the control entity in the network slice, requesting the control entity to select other non-congested paths for the UE.
  • S307 The UE establishes an end-to-end connection with the application server by using the attached network slice.
  • the UE may access the data network connected to the network slice through one of the network slices, and then access the application server in the data network to obtain the service or application provided by the application server. service.
  • the application server sends the identifier information of the data network where the application server is located and the address information of the UE in the data network to the SRF.
  • the UE refers to the UE that establishes an end-to-end connection with the application server in step S307.
  • the address information of the UE may include an IP address of the UE or a gateway address corresponding to the network slice used by the application server by the UE.
  • the application server may send a request message to the SRF, where the request message is used to request the SRF to determine a network slice used by the UE to access the application server.
  • the request message includes address information of the UE and identifier information of the data network.
  • the SRF determines a network slice used by the UE to access the application server (hereinafter referred to as a “first network slice” for convenience of description).
  • the SRF searches for the first network slice from the candidate network slice indicated by the slice registration information according to the address information of the UE acquired from the application server and the identification information of the data network where the application server is located.
  • the SRF searches for the first network slice from the candidate network slice indicated by the slice registration information according to the address information of the UE acquired from the application server and the identification information of the data network where the application server is located.
  • the SRF may obtain the identifier information of the data network according to the source of the request message sent by the application server to the SRF, as described in S308.
  • the SRF may parse the data network according to the VLAN identifier of the request message. Identification information.
  • the request message sent by the application server may directly include the identifier information of the data network.
  • the specific manner of obtaining the identification information of the data network refer to the related content in the embodiment shown in FIG. 2, and details are not described herein.
  • the SRF may process the service request sent by the application server locally by using the acquired information of the first network slice, for example, the network function information of the first network slice.
  • the network function information includes the identifier information of the first network slice, and may further include cell load information, user context information, user migration information, and the like.
  • the SRF can process the corresponding service request by using the specific content in the network function information, for example, updating the data path between the UE and the application server.
  • the method further includes: the SRF forwarding, according to the identifier information of the first network slice, the service request of the application server to the first network slice, by The first network slice is processed.
  • S3010 The SRF sends a response message to the application server.
  • the response message may be used to notify a processing result of the service request sent by the application server; or the response message may be used to indicate that the service request message has been sent to the first network slice.
  • FIG. 4 is a schematic diagram of a signaling flow of a network slice determining method according to an embodiment of the present application.
  • the slice registration information is sent from the network slice to the SRF, that is, the network slice is directly registered with the SRF.
  • the SRF configures data network information.
  • the BSS sends a slice request message to the slice manager, requesting the slice manager to generate a network slice.
  • the slice manager generates a network slice.
  • S404 The network slice is registered with the SRF.
  • the function entity in the network slice may send the slice registration information to the SRF, where the slice registration information includes the identifier information of the candidate network slice, each candidate The identification information of the data network corresponding to the network slice, and the address range information corresponding to each candidate network slice.
  • the candidate network is cut into the network slice generated by the slice manager in step S403.
  • the control plane function entity may send the identifier information of the candidate network slice to the SRF, and the identifier information of the data network corresponding to each candidate network slice, and the assignment to each The UE IP address interval or set in the data network corresponding to the candidate network slice; or, the user plane function entity may send the identifier information of the candidate network slice to the SRF, and the identifier information of the data network corresponding to each candidate network slice, And a gateway IP address interval or set assigned to the data network corresponding to each candidate network slice.
  • the functional entity in the network slice may also send its own identification information to the SRF.
  • the control plane entity may send the identifier information of the control plane entity to the SRF.
  • the user plane entity may send the identifier information of the user plane entity to the SRF.
  • S405 The slice manager sends a slice response message to the BSS.
  • the UE is attached to one or more network slices.
  • S407 The UE establishes an end-to-end connection with the application server by using the attached network slice.
  • the application server sends the identifier information of the data network where the application server is located and the address information of the UE in the data network to the SRF.
  • the SRF determines a network slice used by the UE to access the application server.
  • S4010 The SRF sends a response message to the application server.
  • the network slice shown in FIG. 3 or FIG. 4 is a network slice used by the UE to access the application server, and other network slices generated by the slice manager are not shown in the figure, but The corresponding steps will still be executed during the execution of the solution of the present application, and may not constitute any limitation on the embodiments of the present application.
  • the signaling flow diagram of the network slice determining method shown in the embodiment of FIG. 3 and FIG. 4 is a further explanation and description of the network slice determining method of the embodiment shown in FIG. 2, and may be implemented between the embodiments of the present application. Mutual reference.
  • the network slice determining method provided by the embodiment shown in FIG. 3 or FIG. 4, the SRF is based on the slice registration information sent by the slice manager or the functional entity in the network slice, and the data network where the application server serving the UE is located.
  • the identifier information and the address information of the UE in the data network determine the network slice used by the UE to connect to the application server, thereby enabling communication interaction between the network slice and the application server.
  • an embodiment of the present application provides an apparatus 500 for determining a network slice.
  • the apparatus 500 includes a processor 501, a memory 502, a communication interface 503, and a bus 504.
  • the processor 501, the memory 502, and the communication interface 503 can be connected through the bus 504 and complete communication with each other.
  • the processor 501 is used to control and manage the actions of the device 500, and performs various functions to support the communication service provided by the device 500.
  • processor 501 is used to support apparatus 500 to perform the operations performed by the SRF in the embodiment of any of Figures 2 - 4, and/or other processes performed by the SRF for the techniques described herein.
  • the memory 502 is configured to store program instructions and data for the network device to perform the network slice determining method provided by the embodiment of the present application, where the program instructions include computer operating instructions.
  • the program code stored in the memory 502 can be executed by the processor 501.
  • Communication interface 503 is used to support device 500 in communicating with other devices or devices.
  • the processor 501 is configured to call program code stored in the memory 502 to perform the following operations:
  • identification information of an candidate network slice that the UE can access identification information of the first data network, and address range information corresponding to the candidate network slice, where the first data network is the candidate network slice Corresponding data network;
  • the second data network is a data network where an application server serving the UE is located;
  • the address information determines a network slice used by the UE to access the application server.
  • FIG. 5 only shows a simplified design of device 500.
  • device 500 can include any number of communication interfaces, processors, memories, and the like.
  • the embodiment of the present application provides an apparatus 600 for determining a network slice, including:
  • the first obtaining unit 601 is configured to acquire identification information of an candidate network slice that the UE can access, identification information of the first data network, and address range information corresponding to the candidate network slice, where the first data is The network is the data network corresponding to the candidate network slice.
  • the first obtaining unit 601 is specifically configured to receive, by the slice manager, identifier information of the candidate network slice, identifier information of the first data network, and the address range information.
  • the first obtaining unit 601 is specifically configured to receive identifier information of the candidate network slice, identifier information of the first data network, and the address range information from the candidate network slice.
  • the identifier information of the foregoing candidate network slice the identifier information of the first data network, and the address range information corresponding to the candidate network slice, reference may be made to the related content of the embodiment shown in FIG. 2 to FIG. Do not repeat them.
  • the second obtaining unit 602 is configured to acquire identifier information of the second data network, and address information of the UE in the second data network, where the second data network is an application that provides services for the UE The data network where the server is located.
  • the second obtaining unit 602 is specifically configured to receive, from the application server, identifier information of the second data network, and address information of the UE in the second data network, where
  • identifier information of the second data network e.g., a Wi-Fi Protected Access (WPA)
  • address information of the UE in the second data network e.g., a Wi-Fi Protected Access (WPA)
  • the second obtaining unit 602 is specifically configured to receive, from the application server, identifier information of the second data network, and address information of the UE in the second data network, where
  • the related content of the embodiment shown in FIG. 2 to FIG. 4 of the present application for a description of the receiving process, reference may be made to the related content of the embodiment shown in FIG. 2 to FIG. 4 of the present application, and details are not described herein.
  • a determining unit 603 configured to determine, according to the identifier information of the candidate network slice, the identifier information of the first data network, the address range information, the identifier information of the second data network, and the UE in the The address information in the second data network determines a network slice used by the UE to access the application server.
  • the determining unit 603 is specifically configured to determine, according to the identifier information of the candidate network slice, the identifier information of the first data network and the identifier information of the second data network. Matching the candidate network slice of the second data network; determining the location according to the address range information corresponding to the candidate network slice matching the second data network, and the address information of the UE in the second data network The UE accesses the network slice used by the application server.
  • the determining unit 603 is specifically configured to: address information of the UE in the second data network, and an address in the address range information corresponding to the candidate network slice matched by the second data network. The information is matched; and according to the matching result, one of the candidate network slices matching the second data network is determined to be a network slice used by the UE to access the application server.
  • the determining unit 603 is further configured to: obtain identification information of a functional entity in the candidate network slice, where the identifier information of the functional entity is used by the device to identify the functional entity.
  • the determining unit 603 is further configured to: send the service request message of the application server to the determined network slice.
  • the determining unit 603 is further configured to: process, according to the determined network function information of the network slice, the service request sent by the application server, where the network function information includes the identifier information of the determined network slice.
  • connection manner of each unit in the device 600 does not limit the connection manner of each unit in the device 600.
  • the connection manner in FIG. 6 is only an example.
  • each unit may also adopt a direct or indirect connection manner such as a bus connection.
  • the operation of the determining unit 603 may be performed by one processor, and the operations of the first obtaining unit 601 and the second obtaining unit 602 may be performed by one receiver or transceiver. Or the operations of the first obtaining unit 601 and the second obtaining unit 602 are respectively performed by two receivers or transceivers.
  • the determining unit 603 may be embedded in or independent of the processor of the base station in hardware, or may be stored in the memory of the device 600 in software, so that the processor invokes the operations corresponding to the above units.
  • the device 500 or the device 600 may be a device having the function of performing any one of the network slice determining methods in the embodiments shown in FIG. 2 to FIG. 4, and may specifically be a device such as a capability open platform or a DRA or Device.
  • a device such as a capability open platform or a DRA or Device.
  • the device 500 or the device 600 provided by the embodiment of the present application provides the service for the UE according to the identifier information of the candidate network slice, the identifier information of the data network corresponding to the candidate network slice, and the address range information corresponding to the candidate network slice.
  • the identifier information of the data network in which the application server is located, and the address information of the UE in the data network determine the network slice used by the UE to access the application server, so that the network slice and the application server can be performed.
  • Communication interaction comprising: the application server may provide application information to the network slice or obtain network information from the network slice to provide service value added or network value-added services, such as video acceleration, network optimization, intelligent orchestration, customized service Etc., thereby improving the quality of service.
  • the embodiment of the present application further provides a slice manager 700, including
  • the processing unit 701 is configured to generate an alternate network slice for the UE to access.
  • the sending unit 702 is configured to send the identifier information of the candidate network slice, the identifier information of the first data network, and the address range information corresponding to the candidate network slice to the SRF, where the first data network is Determining a data network corresponding to the candidate network slice; such that the SRF determines that the UE accesses a network slice used by the application server.
  • the operations of the processing unit 701 may be performed by one processor, and the operations of the transmitting unit 702 may be performed by a transmitter or transceiver.
  • the processing unit 701 may be embedded in or independent of the processor of the base station in hardware, or may be stored in the memory of the slice manager 700 in software, so that the processor invokes the operations corresponding to the above units.
  • the slice manager provided by the embodiment of the present application sends the identifier information of the candidate network slice generated by the slice manager, the identifier information of the data network corresponding to the candidate network slice, and the address range information corresponding to the candidate network slice to the SRF. And determining that the UE accesses the network slice used by the application server, so that the network slice and the application server can perform communication interaction, and the application server can provide application information to the network slice or obtain the network slice from the network slice.
  • the embodiment of the present application further provides a communication system, including the foregoing device 500 or device 600, and a slice manager 700.
  • the communication system may further include at least one network slice generated by the slice manager 700.
  • the device 500 or the device 600 may be a device such as a capability open platform or a DRA.
  • the processor described in the embodiments of the present application may be a central processing unit (CPU), a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or Other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It is possible to implement or carry out the various illustrative logical blocks, modules and circuits described in connection with the present disclosure.
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
  • the bus described in the embodiment of the present application may be an Industry Standard Architecture (ISA) bus, a Peripheral Component (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the bus can be divided into an address bus, a data bus, a control bus, and the like.
  • the bus in the drawings of the present application is represented by only one double arrowed line, but does not indicate that there is only one bus or one type of bus.
  • the steps of the method or algorithm described in connection with the disclosure of the present application may be implemented in a hardware manner, or may be implemented by a processor executing a software instruction, or may be implemented by a computer program product.
  • the software instructions may be comprised of corresponding software modules that may be stored in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable hard disk, CD-ROM, or any other form of storage well known in the art.
  • An exemplary storage medium is coupled to the processor to enable the processor to read information from, and write information to, the storage medium.
  • the storage medium can also be an integral part of the processor.
  • the processor and the storage medium can be located in an ASIC. Additionally, the ASIC can be located in the user equipment. Of course, the processor and the storage medium may also reside as discrete components in the user equipment.
  • Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
  • a storage medium may be any available media that can be accessed by a general purpose or special purpose computer.
  • the disclosed systems, devices, and methods may be implemented in other manners without departing from the scope of the present application.
  • the embodiments described above are merely illustrative.
  • the division of the modules or units is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined. Or it can be integrated into another system, or some features can be ignored or not executed.
  • the units described as separate components may or may not be physically separated, and the components displayed as the unit may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. .
  • Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without any creative effort.
  • the described systems, devices, and methods, and the schematic diagrams of various embodiments may be combined or integrated with other systems, modules, techniques or methods without departing from the scope of the present application.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in electronic, mechanical or other form.

Abstract

L'invention concerne un procédé et un appareil de détermination de tranche de réseau. Le procédé consiste : à déterminer avec précision une tranche de réseau utilisée par un UE pour accéder à un serveur d'application, selon des informations d'identification concernant une tranche de réseau alternative, des informations d'identification concernant un réseau de données correspondant à la tranche de réseau alternative, des informations de plage d'adresses correspondant à la tranche de réseau alternative, des informations d'identification concernant un réseau de données où le serveur d'application fournissant un service pour l'UE est situé, et des informations d'adresse concernant l'UE dans le réseau de données ; et ensuite à permettre à la tranche de réseau et au serveur d'application d'effectuer une interaction de communication entre eux.
PCT/CN2016/112162 2016-12-26 2016-12-26 Procédé et appareil de détermination de tranche de réseau WO2018119592A1 (fr)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111200859A (zh) * 2018-11-19 2020-05-26 华为技术有限公司 一种网络切片的选择方法、网络设备及终端
US20210273842A1 (en) * 2019-05-14 2021-09-02 Vmware, Inc. Congestion avoidance in a slice-based network
WO2022083272A1 (fr) * 2020-10-23 2022-04-28 中兴通讯股份有限公司 Procédé et appareil de commutation de réseau, ainsi que dispositif terminal et support de stockage
WO2022160982A1 (fr) * 2021-01-30 2022-08-04 华为技术有限公司 Procédé de configuration d'adresse ipv6 et dispositif de routage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103650437A (zh) * 2013-06-28 2014-03-19 华为技术有限公司 任播服务注册、实现方法及装置、交换设备和系统
CN105516312A (zh) * 2015-12-09 2016-04-20 重庆邮电大学 一种软件定义网络负载均衡装置与方法
CN106060900A (zh) * 2016-05-13 2016-10-26 宇龙计算机通信科技(深圳)有限公司 网络切片的接入控制方法及装置、终端化小区和sdn控制器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103650437A (zh) * 2013-06-28 2014-03-19 华为技术有限公司 任播服务注册、实现方法及装置、交换设备和系统
CN105516312A (zh) * 2015-12-09 2016-04-20 重庆邮电大学 一种软件定义网络负载均衡装置与方法
CN106060900A (zh) * 2016-05-13 2016-10-26 宇龙计算机通信科技(深圳)有限公司 网络切片的接入控制方法及装置、终端化小区和sdn控制器

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111200859A (zh) * 2018-11-19 2020-05-26 华为技术有限公司 一种网络切片的选择方法、网络设备及终端
US20210273842A1 (en) * 2019-05-14 2021-09-02 Vmware, Inc. Congestion avoidance in a slice-based network
US11902080B2 (en) * 2019-05-14 2024-02-13 Vmware, Inc. Congestion avoidance in a slice-based network
WO2022083272A1 (fr) * 2020-10-23 2022-04-28 中兴通讯股份有限公司 Procédé et appareil de commutation de réseau, ainsi que dispositif terminal et support de stockage
WO2022160982A1 (fr) * 2021-01-30 2022-08-04 华为技术有限公司 Procédé de configuration d'adresse ipv6 et dispositif de routage
CN114928590A (zh) * 2021-01-30 2022-08-19 华为技术有限公司 一种IPv6地址的配置方法及路由设备
CN114928590B (zh) * 2021-01-30 2023-11-10 华为技术有限公司 一种IPv6地址的配置方法及路由设备

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