WO2019154046A1 - 路由选择方法、装置、设备及系统和存储介质 - Google Patents
路由选择方法、装置、设备及系统和存储介质 Download PDFInfo
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- WO2019154046A1 WO2019154046A1 PCT/CN2019/072460 CN2019072460W WO2019154046A1 WO 2019154046 A1 WO2019154046 A1 WO 2019154046A1 CN 2019072460 W CN2019072460 W CN 2019072460W WO 2019154046 A1 WO2019154046 A1 WO 2019154046A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/22—Manipulation of transport tunnels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
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- 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
- H04L45/02—Topology update or discovery
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- 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
- H04L45/74—Address processing for routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/248—Connectivity information update
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/34—Modification of an existing route
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/246—Connectivity information discovery
Definitions
- the present application relates to the field of communications, for example, to a routing method, apparatus, device and system, and storage medium.
- the future mobile network not only provides communication between people, but also provides services for massive devices of the Internet of Things, such as virtual reality, high-definition video and other services with ultra-high-speed service requirements.
- the rate needs to reach 10 to 100 times now.
- the business of low-latency service such as car networking, the end-to-end delay needs to be shortened by 5 times;
- the Internet of Things needs to access the current 1000 times the number of services, and the battery life needs to be extended to the present. 10 times and so on.
- FIG. 1 is a schematic diagram of a fifth-generation mobile communication technology (5-Generation, 5G) communication architecture defined by the 3rd Generation Partnership Project (3GPP) TS38.300 protocol.
- the 5G communication architecture includes a 5G core (5GC) and a 5G access network.
- the network element of the 5G core network includes the Access and Mobility Management Function (AMF) and the User Plane Function (UPF) in the Figure 5, and the network of the 5G access network.
- the element includes a 4G base station (ng-eNB) or a 5G base station (gNB).
- the interface between the network element of the core network and the network element of the access network is an NG interface
- the interface between the network elements of the access network is an Xn interface.
- Figure 2 shows an abstract 5G network element structure.
- the mobile communication system including the 5G communication architecture shown in FIG. 1, has a deployment scenario in which one network element is simultaneously connected to two network elements.
- the second network element is simultaneously connected to the first network element and the third network element.
- the first network element and the third network element may be, for example, a 5G core network AMF device, and the second network element may be, for example, an access device, such as a gNB device.
- the second network element and the first network element provide a communication service to the service object, or the second network element and the third network element provide a communication service to the service object.
- the so-called communication service means that the data packet to be sent by the service object is forwarded to the first network element through the second network element and then sent to the device to be received, or transferred to the third network through the second network element. The element is then sent to the device that needs to be received.
- FIG. 3 is a flow chart of data packet forwarding.
- the service object sends a data packet to the second network element.
- the second network element establishes a communication routing context and sends the data packet of the service object to the third network element. If the third network element is not the network element that is most suitable for processing the packet, the third network element may send the packet to the first network element, and the first network element sends the packet to the target device.
- the second network element repeats the foregoing steps to send the packet to the third network element, and the third network element re-determines.
- the packet is sent to the first network element according to the judgment result, and is sent by the first network element to the target device. That is to say, each time the service object sends the data packet to the second network element, the above steps 2 to 6 are repeated, so the communication service is inefficient.
- the embodiments of the present application provide a routing method, apparatus, device, system, and storage medium to avoid inefficient communication services in a 5G communication architecture.
- the present application provides a routing method, which is applied to an access network device, including: receiving a route re-allocation message sent by a serving core network device; the route re-allocation message includes at least one of the following: an initial core network device At least one of identification information and address information; at least one of identification information and address information of the serving core network device; at least one of the initial core network device, the access network device, and the serving core network device An assigned context identifier; and network slice information supported by the service object; carrier information supported by the service object.
- the present application further provides a routing apparatus, including: a receiving module, configured to receive a route re-allocation message sent by a serving core network device; the route re-allocation message includes at least one of: an initial core network device At least one of identification information and address information; at least one of identification information and address information of the serving core network device; at least one of the initial target network device, the access network device, and the serving core network device The assigned context identifier; and the network slice information supported by the service object; the carrier information supported by the service object.
- a receiving module configured to receive a route re-allocation message sent by a serving core network device
- the route re-allocation message includes at least one of: an initial core network device At least one of identification information and address information; at least one of identification information and address information of the serving core network device; at least one of the initial target network device, the access network device, and the serving core network device The assigned context identifier; and the network slice information supported by the service object; the carrier information supported by the service object.
- the present application further provides a routing device, including the above routing device.
- the application further provides a routing system, including: a service core network device and an access network device: a route re-allocation message sent by the serving core network device to the access network device; the route re-allocation message And at least one of the following: at least one of identification information and address information of the initial core network device; at least one of identification information and address information of the serving core network device; the served object is in the initial core network device, the access network a context identifier assigned by at least one of the device and the service core network device; network slice information supported by the service object; operator information supported by the service object; and the access network device updating the terminal according to the route redistribution message Routing information for the communication context.
- a routing system including: a service core network device and an access network device: a route re-allocation message sent by the serving core network device to the access network device; the route re-allocation message And at least one of the following: at least one of identification information and address information of the initial core network device; at least one of identification information and address information of
- the application further provides a storage medium, configured to store a routing program, when the program is executed, performing the following operations: receiving a route re-allocation message sent by the serving core network device; the route re-allocation message includes At least one of the following: at least one of identification information and address information of the initial core network device; at least one of identification information and address information of the serving core network device; the served object is in the initial core network device, the access network device a context identifier assigned to at least one of the serving core network devices; network slice information supported by the service object; and operator information supported by the service object.
- FIG. 1 is a schematic structural diagram of a 5G communication architecture defined by the 3GPP TS 38.300 protocol.
- FIG. 2 is a schematic diagram of an abstract 5G network element structure.
- Figure 3 is a flow chart of data packet forwarding.
- FIG. 4 is a schematic flowchart diagram of a routing method according to an embodiment of the present disclosure.
- FIG. 5 is a schematic structural diagram of a routing apparatus according to an embodiment of the present disclosure.
- FIG. 6 is a schematic structural diagram of a routing system according to an embodiment of the present disclosure.
- FIG. 7 is a schematic flowchart diagram of a routing method according to Embodiment 1 of the present application.
- FIG. 8 is a schematic flowchart diagram of a routing method according to Embodiment 2 of the present application.
- FIG. 9 is a schematic flowchart of a routing method according to Embodiment 3 of the present application.
- FIG. 10 is a schematic flowchart diagram of a routing method according to Embodiment 4 of the present application.
- the embodiment of the present application provides a routing method, which is applied to an access network device, and includes: receiving a route re-allocation message sent by a serving core network device.
- the access network device may update the routing information of the terminal communication context according to the route redistribution message.
- the serving core network device after receiving the communication message forwarded by the initial core network device, the serving core network device sends a route re-allocation message to the access network device, and the access network device may perform the routing function according to the routing function.
- the route reassignment message updates routing information of the terminal communication context. Therefore, when receiving the subsequent communication message sent by the service object, the access network device can directly send the subsequent communication message to the service core network device according to the updated routing information, thereby improving the routing configuration update. Communication service efficiency.
- the serving core network device and the initial core network device may be 4G core network elements, such as a Mobility Management Entity (MME), or a 5G core network element such as AMF.
- MME Mobility Management Entity
- AMF Access Management Function
- the access network device may be an access network element, such as a base station, such as a 4G base station ng-eNB or a 5G base station (gNB) or a gNB-CU.
- a base station such as a 4G base station ng-eNB or a 5G base station (gNB) or a gNB-CU.
- the route redistribution message sent by the service core network device to the access network device may be a standard-defined interface message, such as a 5G NG interface message or a 4G S1 interface message.
- the route re-allocation message may be a new message or a multiplex-related message, such as a Downlink Network Attached Storage Transfer (Downlink NAS Transfer) message or an initial UE contex message.
- Downlink NAS Transfer Downlink Network Attached Storage Transfer
- the route redistribution message includes at least one of the following: at least one of identity information and address information of the initial core network device; and at least one of identity information and address information of the service core network device; a context identifier assigned by at least one of the initial core network device, the access network device, and the serving core network device; network slice information supported by the service object; and operator information supported by the service object.
- the method further includes: the access network device sends a re-allocation response message to the serving core network device.
- the serving core network device sends a redistribution response message to the initial core network device, and the function of the redistribution response message is to notify the service core network.
- the device and the access network device have successfully updated the route, and the service core network device can continue to complete the terminal authentication process. If the notification service core network device routing update fails, the service core network device does not need to perform the subsequent authentication process.
- the reassignment response message includes at least one of the following: at least one of identification information and address information of the initial core network device; at least one of identification information and address information of the serving core network device; The context identifier assigned by the service object in at least one of the initial core network device, the access network device, and the service core network device; the network slice information supported by the service object; the carrier information supported by the service object; the routing information is successfully modified Or failure indication; and the reason for the route failure.
- the identifier information of the initial core network device includes at least one of an initial core network device access processing function AMF identifier and an initial core network device access processing function AMF pool group information.
- the identifier information of the service core network device includes at least one of a service core network device access processing function AMF identifier and a service core network device access processing function AMF pool group information.
- the address information of the initial core network device includes an initial core network device Internet Protocol (IP) address or Stream Control Transmission Protocol (SCTP) coupling information.
- IP Internet Protocol
- SCTP Stream Control Transmission Protocol
- the address information of the serving core network device includes a service core network device IP address or SCTP coupling information.
- the allocated context identifier is for a communication context, and includes: an index number RAN UE NGAP ID assigned by the base station, and an index number AMF UE NGAP ID assigned by the core network.
- the network slice information includes one of the following: pre-configured network slice information; slice information that is allowed to be used after the initial core network device or the service core network device checks the network slice information requested by the terminal.
- the network slice information may be an S-NSSAI list or a Network Slice Selection Assistance Information (NSSAI) (allowed NSSAI) that has been determined.
- the network slice information is network slice information related to the terminal.
- the network slice information can be preconfigured (configured NSSAI) to the terminal. It may also be the allowed NSSAI that is determined after the initial core network device checks the network slice information requested by the terminal, or may be the slice that is allowed to be used after the serving core network device checks the network slice information requested by the terminal. Information (allowed NSSAI).
- the carrier information refers to, for example, a Public Land Mobile Network (PLMN).
- PLMN Public Land Mobile Network
- the routing information configured by each operator may be different. If the operator information is included in the redistribution routing information configuration, and each different carrier has a different configuration, such as the network slice information of the carrier 1 and the carrier 2 If the network slice information is different, the access network device updates the route configuration of different operators when performing route update.
- the access network device receives the route re-allocation message sent by the serving core network device, and when receiving the communication message sent by the service object, performs routing according to the route re-allocation message, where the The communication message is sent to the service core network device.
- the embodiment of the present application further provides a routing device, including a receiving module.
- the receiving module is configured to receive a route re-allocation message sent by the serving core network device, where the route re-allocation message includes at least one of the following: at least one of identifier information and address information of the initial core network device; At least one of identification information and address information; a context identifier assigned by at least one of the initial core network device, the access network device, and the serving core network device; network slice information supported by the service object; served Carrier information supported by the object.
- the apparatus further includes an update module.
- an update module configured to update routing information of the terminal communication context according to the route redistribution message.
- the device further includes a feedback module.
- the feedback module is configured to send a re-allocation response message to the serving core network device, where the re-allocation response message includes at least one of the following: at least one of identification information and address information of the initial core network device; and identifier information and address of the serving core network device At least one of the information; a context identifier assigned by the service object in at least one of the initial core network device, the access network device, and the serving core network device; network slice information supported by the service object; operation supported by the service object Business information; success or failure indication of routing information modification; and reason for routing failure.
- the embodiment of the present application further provides a routing device, including: the foregoing routing device.
- the embodiment of the present application further provides a routing system, including: a service core network device and an access network device.
- a route redistribution message sent by the serving core network device to the access network device includes at least one of the following: at least one of identity information and address information of the initial core network device; and identifier information of the service core network device and At least one of the address information; a context identifier assigned by the service object in at least one of the initial core network device, the access network device, and the serving core network device; network slice information supported by the service object; supported by the service object Carrier information.
- the access network device updates routing information of the terminal communication context according to the route re-allocation message.
- the access network device sends a re-allocation response message to the serving core network device, where the re-allocation response message includes at least one of the following: at least one of identification information and address information of the initial core network device; At least one of identification information and address information of the core network device; a context identifier assigned by the service object in at least one of the initial core network device, the access network device, and the serving core network device; a network slice supported by the service object Information; carrier information supported by the service object; success or failure indication of routing information modification; and reason for route failure.
- the embodiment of the present application further provides a storage medium, which is configured to store a routing program, and when the program is executed, perform the following operations: receiving a route re-allocation message sent by a serving core network device; the route re-allocation message includes at least the following One: at least one of identification information and address information of the initial core network device; at least one of identification information and address information of the serving core network device; the served object is in the initial core network device, the access network device, and the service a context identifier assigned by at least one of the core network devices; network slice information supported by the service object; and operator information supported by the service object.
- a routing method includes steps S11 to S19 and step S110.
- step S11 the user equipment (User Equipment, UE) sends a registration request message to the base station.
- the user equipment User Equipment, UE
- step S12 the base station establishes a communication context.
- step S13 the base station sends a communication context message to the initial access core network device.
- step S14 the initial core network device looks for a service access device.
- step S15 the initial core network device sends a communication context message to the serving core network device.
- step S16 the serving core network device sends the service packet to the target network element.
- step S17 the serving core network device sends a route reassignment message to the base station.
- the message sent by the serving core network device to the base station is a standard defined interface message such as a 5G NG interface or a 4G S1 interface.
- the route reassignment message may be a new message such as a Re-allocation message. Or it is to reuse related messages, such as multiplexing Downlink RAN Configuration Transfer messages.
- the route re-allocation message includes re-allocation routing information, and the route re-allocation information is one or a combination of: initial access core network device identifier (AMF name), AMF pool group information; service access core network device identifier (AMF name) AMF pool group information; initial access core network device address information such as an IP address used for connection with a base station, or an SCTP coupled address; service access core network device address information such as an IP address used for connection with a base station, or SCTP coupled address; the context identifier of the UE initially accessed on the core network device, such as the initial access AMF UE NGAP ID; the context identifier of the UE accessing the core network device, such as the serving AMF UE NGAP ID; the base station allocates for the UE Context identifier, such as RAN UE NGAP ID; network slice information such as S-NSSAI list and or Allowed NSSAI; and operator information such as PLMN information.
- AMF name initial access core network device
- step S18 the base station updates the routing information of the terminal communication context.
- the base station receives the service re-allocation routing information from the serving core network device to the base station, and performs operations in the following cases one to five.
- Case 1 The base station receives one of the following:
- a context identifier assigned by the base station to the UE such as a RAN UE NGAP ID
- AMF name Service access core network device identifier (AMF name), AMF pool group information,
- the base station first retrieves the communication context of the UE on the base station by using the RAN UE NGAP ID; and the base station updates the core network device identifier in the UE communication context to the service access core network device identifier (AMF name) and the AMF pool group information.
- AMF name service access core network device identifier
- the base station may first check the initial access core network device identifier (AMF name), and the AMF pool group information is consistent with the information originally saved by the UE communication context. If the information is inconsistent, the current modification is discarded.
- AMF name initial access core network device identifier
- Case 2 The base station receives one of the following:
- a context identifier assigned by the base station to the UE such as a RAN UE NGAP ID
- initial access to the core network device address information for example, an IP address used for connection with the base station, or an SCTP coupled address
- Service access core network device address information for example, an IP address used for connection with a base station, or an SCTP coupled address
- the base station first retrieves the communication context of the UE on the base station by using the RAN UE NGAP ID; and the base station updates the core network address information in the UE communication context to the service access core network device address information, for example, the IP address used by the base station connection, or SCTP coupled address.
- the base station may first check whether the initial access core network address information is consistent with the information originally saved by the UE communication context. If you are inconsistent, give up this change.
- Case 3 The base station receives one of the following:
- a context identifier assigned by the base station to the UE such as a RAN UE NGAP ID
- the context identifier of the UE accessing the UE on the core network device for example, the service AMF UE NGAP ID,
- the base station first retrieves the communication context of the UE on the base station by using the RAN UE NGAP ID; and the base station modifies the core network device UE identifier in the UE communication context to the context identifier of the UE on the serving access core network device, for example, the serving AMF UE NGAP ID.
- the base station may first check whether the context identifier of the UE on the initial access core network device is consistent with the information originally saved by the UE communication context. If you are inconsistent, give up this change.
- Case 4 The base station receives one of the following:
- a context identifier assigned by the base station to the UE such as a RAN UE NGAP ID
- 2 network slice information such as S-NSSAI list and or Allowed NSSAI
- the base station first retrieves the communication context of the UE on the base station by using the RAN UE NGAP ID; and the base station selects a core network for the UE according to the network slice information.
- This core network element is not necessarily the serving core network element or the initial access core network element in FIG.
- Case 5 The base station receives one of the following:
- a context identifier assigned by the base station to the UE such as a RAN UE NGAP ID
- operator information such as PLMN information
- the base station first retrieves the communication context of the UE at the base station by using the RAN UE NGAP ID;
- the base station can check the network slice, for example, whether the AMF name is consistent with the information originally saved by the UE communication context, and if not, the current modification is abandoned.
- each carrier network may be different.
- the information received by the base station is the context identifier assigned by the base station for the UE or other information of the redistribution routing information, such as network slicing, it is also configured according to different operator PLMNs, because each carrier has a configuration. May be different.
- network slice information under PLMN1 and network slice information under PLMN2 are configured, and the two network slice information belong to different operators respectively, so different routing information of each operator is updated.
- step S19 the terminal transmits a subsequent message to the base station again.
- the UE sends a NAS message service request after the registration is completed.
- step S110 the base station sends a message to the serving core network device.
- the message is sent directly to the core network that can actually serve, and not necessarily the initial core network device.
- this example differs from the first example in step S18 after step S18.
- step S29 the base station transmits a re-allocation response message to the serving core network device.
- the response message sent by the base station to the serving core network device is a standard defined interface message such as a 5G NG interface or a 4G S1 interface.
- the serving core network can confirm that the base station has modified the route of the terminal.
- the response message includes one or a combination of: initial access core network device identifier (AMF name), AMF pool group information, service access core network device identifier (AMF name), AMF pool group information; initial access core
- the network device address information is, for example, an IP address used for connection with the base station, or an SCTP coupled address; the service access core network device address information, for example, an IP address used for connection with the base station, or an SCTP coupled address; initial access to the core network device
- the context identifier of the upper UE such as the initial access AMF UE NGAP ID; the context identifier of the UE accessing the core network device, such as the serving AMF UE NGAP ID; the context identifier assigned by the base station to the UE, such as the RAN UE NGAP ID; the operator Information such as PLMN information; routing information modification success or failure indication; and failure reason.
- Steps S210 and S211 are the same as steps S19 and S110 in the first example.
- this example differs from the first and second embodiments in steps S36, S37 and S38 following step 15.
- step 11 the user equipment (UE) sends a registration request message to the base station.
- step 12 the base station establishes a communication context.
- step 13 the base station sends a communication context message to the initial access core network device.
- step 14 the initial core network device looks for a serving access device.
- step 15 the initial core network device sends a communication context message to the serving core network device.
- step 36 the serving core network device assists the terminal in completing the registration.
- Routing information that updates the communication context on the base station is not triggered during registration.
- step 37 the serving core network device sends an initial UE context message to the base station.
- the core network After completing the authentication and other processes, according to the 3GPP protocol, such as the TS23.401 protocol, or the TS23.501 protocol, the core network will send an initial UE context message to the base station, requesting to establish a UE context.
- the 3GPP protocol such as the TS23.401 protocol, or the TS23.501 protocol
- the message is required to carry the redistributed routing information
- the redistribution routing information is one or a combination of: initial access core network device identifier (AMF name), AMF pool group information, and service access core network device identifier (AMF name).
- AMF pool group information initial access core network device address information such as an IP address used for connection with a base station, or an SCTP coupled address; service access core network device address information such as an IP address used for connection with a base station, or SCTP coupled address; the context identifier of the UE initially accessed on the core network device, such as the initial access AMF UE NGAP ID; the context identifier of the UE accessing the core network device, such as the serving AMF UE NGAP ID; the base station allocates for the UE Context identifier, such as RAN UE NGAP ID; network slice information such as S-NSSAI list and or Allowed NSSAI; and operator information such as PLMN information.
- initial access core network device address information such as an IP address used for connection with a base station, or an SCTP coupled address
- service access core network device address information such as an IP address used for connection with a base station, or SCTP coupled address
- the context identifier of the UE initially accessed on the core network device such as
- step 38 the base station updates the routing information of the terminal communication context while establishing the UE context.
- the UE context After receiving the initial UE context message, the UE context will be established.
- This application modifies routing information, such as AMF name, at this time.
- this example differs from the first and second embodiments in steps S46 and S47 subsequent to step 15.
- step 46 the serving core network sends a Downlink Network Attached Storage Transfer (Downlink NAS Transfer) message carrying the redistributed routing information.
- Downlink NAS Transfer Downlink Network Attached Storage Transfer
- the service core network After receiving the registration request from the terminal in step 5, the service core network starts the registration process.
- an authentication message needs to be sent to the terminal, and the message can be carried to the base station and then sent to the terminal through the message on the standardized interface NG interface or the S1 interface.
- a message may be, for example, a Downlink NAS Transfer message. This application adds re-allocation routing information to the message.
- step 47 the base station updates the routing information of the terminal communication context.
- the base station After receiving the message of step 46, the base station updates the communication context routing information of the terminal according to the re-allocation routing information.
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Claims (14)
- 一种路由选择方法,应用于接入网设备,包括:接收服务核心网设备发送的路由重分配消息;所述路由重分配消息包括以下至少之一:初始核心网设备的标识信息和地址信息中的至少一种;所述服务核心网设备的标识信息和地址信息中的至少一种;被服务对象在初始核心网设备、接入网设备和所述服务核心网设备中的至少之一分配的上下文标识;所述被服务对象支持的网络切片信息;以及所述被服务对象支持的运营商信息。
- 如权利要求1所述的方法,还包括:根据所述路由重分配消息更新终端通讯上下文的路由信息。
- 如权利要求1所述的方法,还包括:向所述服务核心网设备发送重分配响应消息,所述重分配响应消息包括以下至少之一:所述初始核心网设备的标识信息和地址信息中的至少一种;所述服务核心网设备的标识信息和地址信息中的至少一种;所述被服务对象在初始核心网设备、接入网设备和服务核心网设备中的至少一种分配的上下文标识;所述被服务对象支持的网络切片信息;所述被服务对象支持的运营商信息;路由信息修改成功或失败指示;以及路由失败原因。
- 如权利要求1或3所述的方法,其中:所述初始核心网设备的标识信息包括:初始核心网设备接入处理功能AMF标识和初始核心网设备接入处理功能AMF池组信息中至少一种;所述服务核心网设备的标识信息包括:服务核心网设备接入处理功能AMF标识和服务核心网设备接入处理功能AMF池组信息中至少一种。
- 如权利要求1或3所述的方法,其中:所述初始核心网设备的地址信息包括:初始核心网设备互联网协议地址IP或流控制传输协议SCTP偶连信息;所述服务核心网设备的地址信息包括:服务核心网设备IP地址或SCTP偶连信息。
- 如权利要求1或3所述的方法,其中:所述分配的上下文标识包括:基站分配的索引编号,核心网分配的索引编号。
- 如权利要求1或3所述的方法,其中:所述网络切片信息通过以下之一获得:预先配置的网络切片信息;所述初始核心网设备或者所述服务核心网设备检查终端请求的网络切片信息后确定的允许被使用的切片信息。
- 一种路由选择装置,包括:接收模块,设置为接收服务核心网设备发送的路由重分配消息;所述路由重分配消息包括以下至少之一:初始核心网设备的标识信息和地址信息中的至少一种;所述服务核心网设备的标识信息和地址信息中的至少一种;被服务对象在初始核心网设备、接入网设备和所述服务核心网设备中的至少之一分配的上下文标识;所述被服务对象支持的网络切片信息;所述被服务对象支持的运营商信息。
- 如权利要求8所述的装置,还包括:更新模块,设置为根据所述路由重分配消息更新终端通讯上下文的路由信息。
- 如权利要求8所述的装置,还包括:反馈模块,设置为向所述服务核心网设备发送重分配响应消息,所述重分配响应消息包括以下至少之一:所述初始核心网设备的标识信息和地址信息中的至少一种;所述服务核心网设备的标识信息和地址信息中的至少一种;所述被服务对象在初始核心网设备接入网设备和服务核心网设备中的至少之一分配的上下文标识;所述被服务对象支持的网络切片信息;所述被服务对象支持的运营商信息;路由信息修改成功或失败指示;路由失败原因。
- 一种路由选择设备,包括:权利要求8至10任一所述的路由选择装置。
- 一种路由选择系统,包括:服务核心网设备和接入网设备,其中:所述服务核心网设备,设置为向所述接入网设备发送路由重分配消息;所述路由重分配消息包括以下至少之一:初始核心网设备的标识信息和地址信息中的至少一种;所述服务核心网设备的标识信息和地址信息中的至少一种;被服务对象在初始核心网设备、所述接入网设备和所述服务核心网设备中的至少之一分配的上下文标识;所述被服务对象支持的网络切片信息;所述被服务对象支持的运营商信息;所述接入网设备,设置为根据所述路由重分配消息更新终端通讯上下文的路由信息。
- 如权利要求12所述的系统,其中:所述接入网设备设置为向服务核心网设备发送重分配响应消息,所述重分配响应消息包括以下至少之一:所述初始核心网设备的标识信息和地址信息中的至少一种;所述服务核心网设备的标识信息和地址信息中的至少一种;所述被服务对象在初始核心网设备、接入网设备和服务核心网设备中的至少之一分配的上下文标识;所述被服务对象支持的网络切片信息;所述被服务对象支持的运营商信息;路由信息修改成功或失败指示;路由失败原因。
- 一种存储介质,设置为储存路由选择程序,所述程序被执行时,执行以下操作:接收服务核心网设备发送的路由重分配消息;所述路由重分配消息包括以下至少之一:初始核心网设备的标识信息和地址信息中的至少一种;所述服务核心网设备的标识信息和地址信息中的至少一种;被服务对象在初始核心网设备、接入网设备和所述服务核心网设备中的至少之一分配的上下文标识;被服务对象支持的网络切片信息;被服务对象支持的运营商信息。
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US11399330B2 (en) | 2022-07-26 |
JP7045472B2 (ja) | 2022-03-31 |
KR20200118166A (ko) | 2020-10-14 |
CN110167094A (zh) | 2019-08-23 |
KR102446520B1 (ko) | 2022-09-22 |
EP3755058A1 (en) | 2020-12-23 |
CN110167094B (zh) | 2022-11-08 |
US20210068030A1 (en) | 2021-03-04 |
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US20220345975A1 (en) | 2022-10-27 |
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