WO2020087308A1 - 一种业务处理方法、设备及存储介质 - Google Patents

一种业务处理方法、设备及存储介质 Download PDF

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Publication number
WO2020087308A1
WO2020087308A1 PCT/CN2018/112794 CN2018112794W WO2020087308A1 WO 2020087308 A1 WO2020087308 A1 WO 2020087308A1 CN 2018112794 W CN2018112794 W CN 2018112794W WO 2020087308 A1 WO2020087308 A1 WO 2020087308A1
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Prior art keywords
network
service
session
network element
terminal device
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PCT/CN2018/112794
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English (en)
French (fr)
Inventor
刘建华
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Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2018/112794 priority Critical patent/WO2020087308A1/zh
Priority to CN201880097282.8A priority patent/CN112655244B/zh
Publication of WO2020087308A1 publication Critical patent/WO2020087308A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements

Definitions

  • the invention relates to the technical field of wireless communication, in particular to a business processing method, equipment and storage medium.
  • terminal equipment For some services of Public Land Mobile Network (PLMN), terminal equipment (User Equipment, UE) can obtain services through at least two networks; for example, terminal equipment can obtain services through PLMN or through vertical industrial LAN (Vertical Local Access Network, VLAN) can access the PLMN (Type-a Network, TAN) to obtain services. Therefore, when the UE moves from the coverage area of one network to the coverage area of another network, there is no effective solution for how to achieve the service continuity of the services already established by the UE in the PLMN.
  • PLMN Public Land Mobile Network
  • embodiments of the present invention provide a service processing method, device, and storage medium, so that when the UE moves from the coverage of one network to the coverage of another network, Business continuity of business.
  • an embodiment of the present invention provides a service processing method, including: a terminal device receives an indication that allows a first service to be accessed through a second network from a first network element, where the first network element belongs to the first network; When the terminal device establishes a session on the second network for the first service, the first message carries first information and a second session (IDentity, ID) of the first service on the second network in the first message; The first message is used by the terminal device to establish a session on the second network for the first service.
  • an embodiment of the present invention provides a service processing method, including: a first core network element triggers a first service of a second network element based on second information;
  • the second information includes: a mapping relationship between an Internet Protocol (IP) address and an IP address corresponding to the first session identification ID of the first service in the first network.
  • IP Internet Protocol
  • an embodiment of the present invention provides a service processing method.
  • the method includes:
  • the second core network element obtains third information; the third information is used for migrating the first service from the first network to the second network, and the third information includes at least: the first service is in the first of the first network A session ID, an IP address corresponding to the first session ID, and an IP address mapping relationship.
  • an embodiment of the present invention provides a terminal device.
  • the terminal device includes: a receiving unit configured to receive an indication that allows a first service to access through a second network from a first network element, and the first network element Belong to the first network;
  • the first processing unit is configured to carry the first information and the second session identification ID of the first service in the second network in the first message when establishing a session in the second network for the first service ;
  • the first message is used by the terminal device to establish a session on the second network for the first service.
  • an embodiment of the present invention provides a first core network element, where the first core network element includes:
  • a second processing unit configured to trigger the first service of the second network element based on the second information
  • the second information includes: the mapping relationship between the network protocol IP address and the IP address corresponding to the first session identification ID of the first service in the first network.
  • an embodiment of the present invention provides a second core network element, where the second core network element includes:
  • the third processing unit is configured to obtain third information; the third information is used to migrate the first service from the first network to the second network, and the third information includes at least: the first service A session identification ID, a network protocol IP address corresponding to the first session ID, and an IP address mapping relationship.
  • an embodiment of the present invention provides a terminal device, including: a processor and a memory for storing a computer program that can be run on the processor, where the processor is used to execute the above when the computer program is run The steps of the service processing method performed by the terminal device.
  • an embodiment of the present invention provides a first core network element, including: a processor and a memory for storing a computer program that can be run on the processor, where the processor is used to run the computer program, The steps of the service processing method performed by the network element of the first core network described above are executed.
  • an embodiment of the present invention provides a second core network element, including: a processor and a memory for storing a computer program that can be run on the processor, where the processor is used to run the computer program, Steps of performing the service processing method performed by the network element of the second core network described above.
  • an embodiment of the present invention provides a storage medium that stores an executable program, and when the executable program is executed by a processor, the foregoing service processing method executed by the terminal device is implemented.
  • an embodiment of the present invention provides a storage medium that stores an executable program, and when the executable program is executed by a processor, the foregoing service processing method executed by a network element of a first core network is implemented.
  • an embodiment of the present invention provides a storage medium that stores an executable program, and when the executable program is executed by a processor, the above-mentioned service processing method executed by a network element of a second core network is implemented.
  • the terminal device receives an instruction to allow the first service to access through the second network from the first network element in the first network, and the terminal device establishes the second service for the first service in the second network During the conversation, carry the second session ID of the first service on the second network and the first session ID of the first service on the first network, or carry the second session ID of the first service on the second network and the first service on the first The IP address of a network; when the terminal device moves from the first network to the second network, when the first service accesses the second network, it still uses the IP address of the first service when accessing the first network, thereby realizing the terminal Business continuity when the network accessed by the device changes.
  • FIG. 1 is a schematic diagram of a process for obtaining services of a terminal device of related technology
  • FIG. 2 is a schematic diagram of the structure of a communication system according to an embodiment of the invention.
  • FIG. 3 is a schematic diagram of an optional processing flow of a service processing method applied to a terminal device according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of an optional processing flow of a service processing method applied to a network element of a first core network according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of an optional processing flow of a service processing method applied to a network element of a second core network according to an embodiment of the present invention
  • FIG. 6 is a schematic flowchart of a process for a terminal device to establish a PDU Session under a first network according to an embodiment of the present invention
  • FIG. 7 is a schematic diagram of a process of migrating a PDU Session from a first network to a second network according to an embodiment of the present invention
  • FIG. 8 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a composition of a first core network element provided by an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a second core network element provided by an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of a hardware composition structure of an electronic device provided by an embodiment of the present invention.
  • VLANs are divided into TANs that can access PLMN and those that cannot access PLMN (Type-b Network, TBN) according to whether they access PLMN.
  • UE can obtain services through PLMN or TAN, as shown in Figure 1: User plane function (User Port Function, UPF) and UPF-a can access the same data network (Data Net, DN); , Network elements with the same PLMN and TAN functions may be shared.
  • UPF User Port Function
  • DN Data Net
  • Network elements with the same PLMN and TAN functions may be shared.
  • the service processing method of the embodiment of the present application can be applied to various communication systems, such as: Global Mobile Communication (Global System of Mobile Communication (GSM) system, Code Division Multiple Access (CDMA) system, Broadband Code Division Multiple Address (Wideband Code Division Multiple Access, WCDMA) system, General Packet Radio Service (General Packet Radio Service, GPRS), Long Term Evolution (LTE) system, LTE Frequency Division Duplex (FDD) system, LTE Time Division Duplex (TDD), Universal Mobile Telecommunication System (UMTS), Global Interoperability for Microwave Access (WiMAX) communication system or 5G system, etc.
  • GSM Global Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Broadband Code Division Multiple Address
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Global Interoperability for Microwave Access
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 2.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or referred to as a communication terminal, terminal).
  • the network device 110 can provide communication coverage for a specific geographic area, and can communicate with terminal devices located within the coverage area.
  • the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system (Evolutional Node B, eNB or eNodeB), or a wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment can be a mobile switching center, a relay station, an access point, an in-vehicle device, Wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks or network devices in future public land mobile networks (Public Land Mobile Network, PLMN), etc.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • LTE Long Term Evolutional Node B
  • eNodeB evolved base station in an LTE system
  • CRAN Cloud Radio Access Network
  • the network equipment can be a mobile switching center, a relay station, an access point, an in-veh
  • the communication system 100 also includes at least one terminal device 120 within the coverage of the network device 110.
  • terminal equipment includes, but is not limited to, connections via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Lines (DSL), digital cables, and direct cable connections ; And / or another data connection / network; and / or via wireless interfaces, such as for cellular networks, wireless local area networks (Wireless Local Area Network, WLAN), digital TV networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter; and / or another terminal device configured to receive / transmit communication signals; and / or Internet of Things (IoT) equipment.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Lines
  • WLAN wireless local area networks
  • digital TV networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter
  • IoT Internet of Things
  • a terminal device configured to communicate through a wireless interface may be referred to as a "wireless communication terminal", “wireless terminal”, or “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communication Systems (PCS) terminals that can combine cellular radiotelephones with data processing, fax, and data communication capabilities; can include radiotelephones, pagers, Internet / internal PDA with network access, web browser, notepad, calendar, and / or Global Positioning System (GPS) receiver; and conventional laptop and / or palm-type receivers or others including radiotelephone transceivers Electronic device.
  • PCS Personal Communication Systems
  • GPS Global Positioning System
  • Terminal equipment can refer to access terminal, user equipment (User Equipment, UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or User device.
  • Access terminals can be cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, wireless local loop (Wireless Local Loop, WLL) stations, personal digital processing (Personal Digital Assistant (PDA), wireless communication Functional handheld devices, computing devices, or other processing devices connected to a wireless modem, in-vehicle devices, wearable devices, terminal devices in a 5G network, or terminal devices in a future-evolving PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • terminal equipment 120 may perform terminal direct connection (Device to Device, D2D) communication.
  • the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • FIG. 2 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area. This application The embodiment does not limit this.
  • the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
  • network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
  • the devices with communication functions in the network / system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 and a terminal device 120 with a communication function, and the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as network controllers, mobility management entities, and other network entities, which are not limited in the embodiments of the present application.
  • the optional processing flow of the service processing method applied to the terminal device provided by the embodiment of the present invention, as shown in FIG. 3, includes the following steps:
  • Step S201 The terminal device receives an instruction to allow the first service to access through the second network from the first network element.
  • the first network element is a packet control function (Packet Control Function, PCF) entity
  • the first network element belongs to a first network
  • the first network is a PLMN network
  • the second network For the TAN network.
  • PCF Packet Control Function
  • the terminal device obtains the first UE route selection strategy (UERoute SELECT POLICY, URSP) from the PCF entity; Single Network Selection Selection Assistance (Information, S-NSSAI), Data Network Name (Data Net Name, DNN), and the first instruction; the first instruction is used to indicate that the business of the APP corresponding to the APP ID is allowed to be accessed through the TAN, It may also include a TAN ID; or the first indication is used to indicate that the service of the APP corresponding to the APP ID is not allowed to be accessed through the TAN, and may also include a TAN ID.
  • the first instruction is used to indicate that the business of the APP corresponding to the APP ID is allowed to be accessed through the TAN, It may also include a TAN ID; or the first indication is used to indicate that the service of the APP corresponding to the APP ID is not allowed to be accessed through the TAN, and may also include a TAN ID.
  • Step S202 when the terminal device establishes a session in the second network for the first service, the first message carries the first information and the second session ID of the first service in the second network.
  • the first message is used for the terminal device to establish a session on the second network for the first service.
  • the terminal device after the terminal device moves from the PLMN network to the TAN coverage and accesses the TAN network, the terminal device sends a first message to the second AMF; optionally, the first message is carrying a PDU Session Establishment's first NAS message; the first NAS message includes the second session ID (Session ID2) corresponding to the second session in the TAN network.
  • the first message is carrying a PDU Session Establishment's first NAS message
  • the first NAS message includes the second session ID (Session ID2) corresponding to the second session in the TAN network.
  • the first NAS message also includes a first session ID (Session ID1) of the first service in the first network; each Session ID corresponds to an IP address, and the IP address has an IP address mapping relationship. It is used to characterize the mapping relationship between the IP address inside the operator network and the IP address outside the operator network.
  • the first NAS message may also instruct the PDU to be transferred from within the PLMN network.
  • the corresponding IP address can be obtained based on the session identifier, and the IP address is used for the second SMF when the terminal device establishes the second session on the second network.
  • the first NAS message also includes the IP address corresponding to the first session ID of the first service in the first network; in this case, the session can be directly obtained without querying the correspondence between the session ID and the IP address The IP address of ID1.
  • the IP address is used for the second SMF when the terminal device establishes a second session on the second network.
  • the optional processing flow of the service processing method applied to the first core network element provided by the embodiment of the present invention, as shown in FIG. 4, includes the following steps:
  • Step S301 The first core network element triggers the first service of the second network element based on the second information.
  • the first core network element belongs to the first network
  • the second network element is a server
  • the first service is a registration service
  • the second information includes: the first service is in the first of the first network
  • the first AMF triggers the session establishment service of the first core network element; the first core network element queries the local configuration information, and judges that the first service can be accessed through the TAN network according to S-NSSAI and DNN, and needs to maintain the During business continuity, the network element of the first core network triggers the first service of the second network element.
  • the network element of the first core network carries the IMSI, Session ID1, IP address, and IP address mapping relationship in the message sent to the second network element.
  • the first core network element is a first SMF of the first network
  • the second network element is a unified data management platform (Unified Data Manager, UDM).
  • UDM Unified Data Manager
  • the method further includes:
  • the first core network element calls the UDM registration service, and the first core network element exchanges information such as IMSI, Session ID1, S-NSSAI, DNN, IP address and IP address mapping relationship with the UDM for the first core network element Send Session ID1 to the terminal device to trigger the NIN2 Message Transfer service of the first AMF, so that the terminal device learns the first Session ID1 of the first session established on the first network from the first AMF.
  • information such as IMSI, Session ID1, S-NSSAI, DNN, IP address and IP address mapping relationship with the UDM for the first core network element Send Session ID1 to the terminal device to trigger the NIN2 Message Transfer service of the first AMF, so that the terminal device learns the first Session ID1 of the first session established on the first network from the first AMF.
  • the optional processing flow of the service processing method applied to the network element of the second core network provided by the embodiment of the present invention, as shown in FIG. 5, includes the following steps:
  • Step S401 The network element of the second core network obtains third information.
  • the third information is used to migrate the first service from the first network to the second network, and the third information at least includes: a first session identification ID of the first service in the first network, the first session The IP address corresponding to the ID and the IP address mapping relationship.
  • acquiring the third information by the second core network element includes:
  • the second core network element receives the second message sent by the third network element, where the second message carries the second session ID (Session ID2) of the first service in the second network; and the second core network element A second service of the second network element is triggered, and the second service is used to obtain the session ID1 of the first service in the first network, the IP address corresponding to the session ID1, and the IP address mapping relationship.
  • Session ID2 the second session ID of the first service in the second network
  • the second core network element is a second SMF
  • the second SMF belongs to a second network
  • the third network element is a second AMF
  • the second network element is UDM
  • the first network is a PLMN network
  • the second network is a TAN network.
  • the method further includes:
  • the second core network element invokes the N1N2messageTransfer service of the second AMF, including: IMSI, Session ID2, PDU Session Establishment Accept; PDU Session Establishment Accept may not include an IP address; the second AMF sends a third NAS message to the UE based on the N1N2messageTransfer service , The third NAS message includes Session ID2 and PUD SessionEstablishmentAccept; at this time, the terminal device establishes a second session on the second network, and the IP address corresponding to the second session is still the IP address corresponding to the first session; that is, the first The first session of the service with the session ID of Session ID1 in the first network uses the same IP address as the second session of the first service with the session ID of Session ID2 in the second network, ensuring that the terminal device is switching from the first network When it comes to the second network, the continuity of the first service.
  • a schematic diagram of a processing flow of a terminal device establishing a PDU Session under a first network (PLMN) according to an embodiment of the present invention, as shown in FIG. 6 includes:
  • Step S501 the terminal device is registered in the PLMN.
  • Step S502 the terminal device obtains the URSP from the first PCF.
  • It includes the S-NSSAI, DNN, and first indication corresponding to an App ID, where the first indication indicates whether the service of the App can be accessed through the second network (TAN), and the TAN ID.
  • Step S505 the first SMF queries the local configuration information, and according to the S-NSSAI and DNN segmentation, the service can be accessed through the TAN and the service continuity is required, the first SMF triggers the UDM registration service, which includes IMSI, Session ID1 The mapping relationship between S-NSSAI, DNN, IP address and IP address. UDM saves the above information list in UE SMContext.
  • the mapping relationship of the IP address is the mapping relationship between the network IP address within the operator's network and the network IP address outside the operator's network.
  • Step S506 the first SMF triggers the N1N2MessageTransfer service of the first AMF, which includes IMSI, Session ID, PDU Session Establishment Acceptance.
  • step S507 the first AMF sends a NAS message to the terminal device, which includes Session ID and PDU Session Establishment Accept.
  • Schematic diagram of the process of migrating the PDU Session from the first network to the second network, as shown in Figure 7, includes:
  • Step S601 after the terminal device moves to the coverage area of the TAN and accesses the TAN network, the terminal device sends a NAS message carrying the PDU Session Establishment Request to the second AMF.
  • the Session ID of the session contained in the NAS in the NAS message, Request Type Existing, DNN;
  • PDU Session Establishment Request contains the PDU established in the PLMN and needs to be switched to the TAN Session ID of the TAN, which is the Session ID in the above embodiment 1. It may also contain a second indication that the PDU Session is transferred from within the PLMN.
  • Session ID2 and Session ID1 may be the same or different.
  • the second SMF determines that the PDU is the PDU transferred from the PLMN according to the instruction in the PDU Session Establishment Request or carries the Session ID.
  • the second SMF calls the second UDM to obtain the service and requests the terminal device for session management Relevant signing information, including IMSI, Session ID 1.
  • step S604 the UDM queries the mapping relationship between the IP address and the IP address corresponding to the Session ID from the SM context of the terminal device according to the IMSI and Session ID 1, and responds to the mapping relationship between the IMSI and the Session ID and IP address and IP address Two SMF.
  • Step S605 The second SMF triggers the N1N2MessageTransfer service of the second AMF, which includes the IMSI, Session ID, PDU Session Establishment Accept, and the PDU Session Establishment Accept may not include an IP address.
  • step S606 the second AMF sends a NAS message to the terminal device, which includes Session ID2 and PDU Session Establishment Accept.
  • the terminal device multiplexes the IP address corresponding to Session ID1 into the IP address of Session ID2.
  • the terminal device when the terminal device moves from the first network to the second network, it can ensure that the IP address of the first service of the terminal device in the first network is the same as the IP address of the terminal device in the second network. Business continuity.
  • UDM may be managed by an operator or a third party.
  • An embodiment of the present invention also provides a terminal device.
  • the composition structure of the terminal device 800, as shown in FIG. 8, includes:
  • the receiving unit 801 is configured to receive an instruction that allows the first service to be accessed through the second network from the first network element, where the first network element belongs to the first network;
  • the first processing unit 802 is configured to carry the first information and the second session ID of the first service in the second network when the first service establishes a session in the second network
  • the first message is used by the terminal device to establish a session on the second network for the first service.
  • the first information includes: a first session ID of the first service in the first network, or a corresponding first session ID of the first service in the first network IP address.
  • the receiving unit is configured to receive the URSP from the first network element, and the URSP includes an instruction to allow the first service to access through the second network.
  • the first message further includes a first indication, and the first indication is used to indicate that the session is migrated from the first network to the second network.
  • An embodiment of the present invention further provides a first core network element, and a schematic structural diagram of the composition of the first core network element 900, as shown in FIG. 9, includes:
  • the second processing unit 901 is configured to trigger the first service of the second network element based on the second information
  • the second information includes: the mapping relationship between the IP address corresponding to the first session identification ID of the first service in the first network and the IP address.
  • An embodiment of the present invention further provides a second core network element.
  • the schematic diagram of the composition structure of the second core network element 1000, as shown in FIG. 10, includes:
  • the third processing unit 1001 is configured to acquire third information; the third information is used to migrate the first service from the first network to the second network, and the third information includes at least: the first service is on the first network The first session ID, the IP address corresponding to the first session ID, and the IP address mapping relationship.
  • the third processing unit 1001 is configured to receive a second message sent by a third network element, where the second message carries a second session ID of the first service in the second network.
  • the third processing unit 1001 is configured to trigger a second service of a second network element, where the second service is used to obtain a first session ID of the first service in the first network, and the first session ID corresponds to IP address and IP address mapping relationship.
  • first core network element and the second core network element provided in the embodiments of the present invention have the same function, and the first core network element belongs to the first network, and the second core network element belongs to the second The network, the first network and the second network are different networks.
  • Embodiments of the invention also provide a terminal device, including a processor and a memory for storing a computer program that can be run on the processor, where the processor is used to execute the service performed by the terminal device when the computer program is run Processing method steps.
  • An embodiment of the present invention also provides a first core network element, which includes a processor and a memory for storing a computer program that can be run on the processor, where the processor is used to execute the above when the computer program is run The steps of the service processing method performed by the network device.
  • An embodiment of the present invention further provides a second core network element, which includes a processor and a memory for storing a computer program that can be run on the processor, where the processor executes the above when the processor is used to run the computer program The steps of the service processing method performed by the network device.
  • the electronic device 700 includes: at least one processor 701, a memory 702, and at least one Network interface 704.
  • the various components in the electronic device 700 are coupled together through a bus system 705. It can be understood that the bus system 705 is used to implement connection and communication between these components.
  • the bus system 705 also includes a power bus, a control bus, and a status signal bus. However, for clarity, various buses are marked as the bus system 705 in FIG. 11.
  • the memory 702 may be a volatile memory or a non-volatile memory, and may also include both volatile and non-volatile memory.
  • the non-volatile memory may be ROM, programmable read-only memory (PROM, Programmable Read-Only Memory), erasable programmable read-only memory (EPROM, Erasable Programmable Read-Only Memory), electrically erasable Programmable Read Only Memory (EEPROM, Electrically Erasable, Programmable Read-Only Memory), Magnetic Random Access Memory (FRAM, Ferromagnetic Random Access Memory), Flash Memory (Flash), Magnetic Surface Memory, CD, or CD-ROM (CD- ROM, Compact, Disc, Read-Only, Memory); the magnetic surface memory can be disk storage or tape storage.
  • the volatile memory may be a random access memory (RAM, Random Access Memory), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • SSRAM synchronous static random access memory
  • DRAM dynamic random access memory
  • SDRAM Synchronous Dynamic Random Access Memory
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • SLDRAM synchronous connection dynamic random access memory
  • SyncLink Dynamic Random Access Memory direct memory bus random access memory
  • DRRAM Direct Rambus Random Access Random Access Memory
  • the memory 702 described in this embodiment of the present invention is intended to include, but is not limited to, these and any other suitable types of memory.
  • the memory 702 in the embodiment of the present invention is used to store various types of data to support the operation of the electronic device 700. Examples of these data include: any computer program for operating on the electronic device 700, such as an application program 7022.
  • the program for implementing the method of the embodiment of the present invention may be included in the application program 7022.
  • the method disclosed in the foregoing embodiment of the present invention may be applied to the processor 701, or implemented by the processor 701.
  • the processor 701 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 701 or an instruction in the form of software.
  • the foregoing processor 701 may be a general-purpose processor, a digital signal processor (DSP, Digital Processor), or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, and the like.
  • the processor 701 may implement or execute the disclosed methods, steps, and logical block diagrams in the embodiments of the present invention.
  • the general-purpose processor may be a microprocessor or any conventional processor.
  • the steps of the method disclosed in the embodiments of the present invention may be directly implemented and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a storage medium.
  • the storage medium is located in the memory 702.
  • the processor 701 reads the information in the memory 702 and completes the steps of the foregoing method in combination with its hardware.
  • the electronic device 700 may be one or more application specific integrated circuits (ASIC, Application Integrated Circuit), DSP, programmable logic device (PLD, Programmable Logic Device), complex programmable logic device (CPLD , Complex Programmable Logic Device), FPGA, general-purpose processor, controller, MCU, MPU, or other electronic components to implement the aforementioned method.
  • ASIC Application specific integrated circuits
  • DSP digital signal processor
  • PLD programmable logic device
  • CPLD Complex programmable logic device
  • FPGA general-purpose processor
  • controller MCU, MPU, or other electronic components to implement the aforementioned method.
  • Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium may be applied to the terminal device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding process implemented by the terminal device in each method of the embodiments of the present application. No longer.
  • the computer-readable storage medium may be applied to the first core network element in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. It is concise and will not be repeated here.
  • the computer-readable storage medium may be applied to the second core network element in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. It is concise and will not be repeated here.
  • These computer program instructions can be provided to the processor of a general-purpose computer, special-purpose computer, embedded processing machine, or other programmable data processing device to produce a machine that enables the generation of instructions executed by the processor of the computer or other programmable data processing device
  • These computer program instructions may also be stored in a computer-readable memory that can guide a computer or other programmable data processing device to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including an instruction device, the instructions The device implements the functions specified in one block or multiple blocks of the flowchart one flow or multiple flows and / or block diagrams.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device, so that a series of operating steps are performed on the computer or other programmable device to produce computer-implemented processing, which is executed on the computer or other programmable device
  • the instructions provide steps for implementing the functions specified in one block or multiple blocks of the flowchart one flow or multiple flows and / or block diagrams.

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Abstract

本发明公开了一种业务处理方法，包括：终端设备从第一网元接收允许第一业务通过第二网络接入的指示，所述第一网元属于第一网络；所述终端设备针对所述第一业务在所述第二网络建立会话时，在第一消息中携带第一信息和所述第一业务在所述第二网络的第二会话标识；所述第一消息用于所述终端设备针对所述第一业务在所述第二网络建立会话。本发明实施例还提供另外一种业务处理方法、设备及存储介质。

Description

一种业务处理方法、设备及存储介质 技术领域
本发明涉及无线通信技术领域，尤其涉及一种业务处理方法、设备及存储介质。
背景技术
对于公共陆地移动网络(Public Land Mobile Network，PLMN)的一些业务，终端设备(User Equipment，UE)可以通过至少两个网络获得业务；如终端设备既可以通过PLMN获得业务，也可以通过垂直产业局域网(Vertical Local Access Network，VLAN)中能够接入PLMN的(Type-a Network，TAN)获得业务。因此，当UE从一个网络的覆盖范围移动到另一个网络的覆盖范围时，如何实现UE在PLMN内已经建立的业务的业务连续性尚无有效解决方案。
发明内容
为解决上述技术问题，本发明实施例提供一种业务处理方法、设备及存储介质，实现了当UE从一个网络的覆盖范围移动到另一网络的覆盖范围时，UE在一个网络内已经建立的业务的业务连续性。
第一方面，本发明实施例提供一种业务处理方法，包括：终端设备从第一网元接收允许第一业务通过第二网络接入的指示，所述第一网元属于第一网络；所述终端设备针对所述第一业务在所述第二网络建立会话时，在第一消息中携带第一信息和所述第一业务在所述第二网络的第二会话(IDentity，ID)；所述第一消息用于所述终端设备针对所述第一业务在所述第二网络建立会话。
第二方面，本发明实施例提供一种业务处理方法，包括：第一核心网网元基于第二信息触发第二网元的第一服务；
所述第二信息包括：第一业务在第一网络的第一会话标识ID对应的网络协议(Internet Protocol，IP)地址和IP地址映射关系。
第三方面，本发明实施例提供过一种业务处理方法，所述方法包括：
第二核心网网元获取第三信息；所述第三信息用于将第一业务由第一网络迁移至第 二网络，所述第三信息至少包括：第一业务在第一网络的第一会话ID、所述第一会话ID对应的IP地址、以及IP地址映射关系。
第四方面，本发明实施例提供一种终端设备，所述终端设备包括：接收单元，配置为从第一网元接收允许第一业务通过第二网络接入的指示，所述第一网元属于第一网络；
第一处理单元，配置为针对所述第一业务在所述第二网络建立会话时，在第一消息中携带第一信息和所述第一业务在所述第二网络的第二会话标识ID；
所述第一消息用于所述终端设备针对所述第一业务在所述第二网络建立会话。
第五方面，本发明实施例提供一种第一核心网网元，所述第一核心网网元包括：
第二处理单元，配置为基于第二信息触发第二网元的第一服务；
所述第二信息包括：第一业务在第一网络的第一会话标识ID对应的网络协议IP地址和IP地址映射关系。
第六方面，本发明实施例提供一种第二核心网网元，所述第二核心网网元包括：
第三处理单元，配置为获取第三信息；所述第三信息用于将第一业务由第一网络迁移至第二网络，所述第三信息至少包括：第一业务在第一网络的第一会话标识ID、所述第一会话ID对应的网络协议IP地址、以及IP地址映射关系。
第七方面，本发明实施例提供一种终端设备，包括：处理器和用于存储能够在处理器上运行的计算机程序的存储器，其中，所述处理器用于运行所述计算机程序时，执行上述终端设备执行的业务处理方法的步骤。
第八方面，本发明实施例提供第一核心网网元，包括：处理器和用于存储能够在处理器上运行的计算机程序的存储器，其中，所述处理器用于运行所述计算机程序时，执行上述第一核心网网元执行的业务处理方法的步骤。
第九方面，本发明实施例提供第二核心网网元，包括：处理器和用于存储能够在处理器上运行的计算机程序的存储器，其中，所述处理器用于运行所述计算机程序时，执行上述第二核心网网元执行的业务处理方法的步骤。
第十方面，本发明实施例提供一种存储介质，存储有可执行程序，所述可执行程序被处理器执行时，实现上述终端设备执行的业务处理方法。
第十一方面，本发明实施例提供一种存储介质，存储有可执行程序，所述可执行程序被处理器执行时，实现上述第一核心网网元执行的业务处理方法。
第十二方面，本发明实施例提供一种存储介质，存储有可执行程序，所述可执行程 序被处理器执行时，实现上述第二核心网网元执行的业务处理方法。
本发明实施例提供的业务处理方法，终端设备从第一网络中的第一网元接收到允许第一业务通过第二网络接入的指示，终端设备针对所述第一业务在第二网络建立会话时，携带第一业务在第二网络的第二会话ID和第一业务在第一网络的第一会话ID，或者携带第一业务在第二网络的第二会话ID和第一业务在第一网络的IP地址；使得终端设备从第一网络移动到第二网络时，第一业务在接入到第二网络时，依然使用第一业务接入第一网络时的IP地址，实现了终端设备接入的网络发生改变时业务的连续性。
附图说明
图1为相关技术终端设备获得业务的流程示意图；
图2为本发明实施例通信系统的组成结构示意图；
图3为本发明实施例应用于终端设备的业务处理方法的可选处理流程示意图；
图4为本发明实施例应用于第一核心网网元的业务处理方法的可选处理流程示意图；
图5为本发明实施例应用于第二核心网网元的业务处理方法的可选处理流程示意图；
图6为本发明实施例终端设备在第一网络下建立PDU Session的处理流程示意图；
图7为本发明实施例将PDU Session由第一网络迁移到第二网络的处理流程示意图；
图8为本发明实施例提供的终端设备的组成结构示意图；
图9为本发明实施例提供的第一核心网网元的组成结构示意图；
图10为本发明实施例提供的第二核心网网元的组成结构示意图；
图11为本发明实施例提供的电子设备的硬件组成结构示意图。
具体实施方式
为了能够更加详尽地了解本发明实施例的特点和技术内容，下面结合附图对本发明实施例的实现进行详细阐述，所附附图仅供参考说明之用，并非用来限定本发明实施例。
在对本发明实施例进行详细描述之前，首先对VLAN进行详细描述。在5G系统中引入支持VLAN的需求。VLAN根据是否接入PLMN分为能够接入PLMN的TAN和不能够接入PLMN的(Type-b Network，TBN)。对于PLMN的一些业务，UE可以通过 PLMN或TAN获得业务，如图1所示：用户面功能(User Port Function，UPF)和UPF-a可以接入相同的数据网络(Data Net，DN)；其中，PLMN和TAN功能相同的网元可能会共用。
本申请实施例的业务处理方法可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信系统或5G系统等。
示例性的，本申请实施例应用的通信系统100如图2所示。该通信系统100可以包括网络设备110，网络设备110可以是与终端设备120(或称为通信终端、终端)通信的设备。网络设备110可以为特定的地理区域提供通信覆盖，并且可以与位于该覆盖区域内的终端设备进行通信。可选地，该网络设备110可以是GSM系统或CDMA系统中的基站(Base Transceiver Station，BTS)，也可以是WCDMA系统中的基站(NodeB，NB)，还可以是LTE系统中的演进型基站(Evolutional Node B，eNB或eNodeB)，或者是云无线接入网络(Cloud Radio Access Network，CRAN)中的无线控制器，或者该网络设备可以为移动交换中心、中继站、接入点、车载设备、可穿戴设备、集线器、交换机、网桥、路由器、5G网络中的网络侧设备或者未来演进的公共陆地移动网络(Public Land Mobile Network，PLMN)中的网络设备等。
该通信系统100还包括位于网络设备110覆盖范围内的至少一个终端设备120。作为在此使用的“终端设备”包括但不限于经由有线线路连接，如经由公共交换电话网络(Public Switched Telephone Networks，PSTN)、数字用户线路(Digital Subscriber Line，DSL)、数字电缆、直接电缆连接；和/或另一数据连接/网络；和/或经由无线接口，如，针对蜂窝网络、无线局域网(Wireless Local Area Network，WLAN)、诸如DVB-H网络的数字电视网络、卫星网络、AM-FM广播发送器；和/或另一终端设备的被设置成接收/发送通信信号的装置；和/或物联网(Internet of Things，IoT)设备。被设置成通过无线接口通信的终端设备可以被称为“无线通信终端”、“无线终端”或“移动终端”。移动终端的示例包括但不限于卫星或蜂窝电话；可以组合蜂窝无线电电话与数据处理、传真 以及数据通信能力的个人通信系统(Personal Communications System，PCS)终端；可以包括无线电电话、寻呼机、因特网/内联网接入、Web浏览器、记事簿、日历以及/或全球定位系统(Global Positioning System，GPS)接收器的PDA；以及常规膝上型和/或掌上型接收器或包括无线电电话收发器的其它电子装置。终端设备可以指接入终端、用户设备(User Equipment，UE)、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、5G网络中的终端设备或者未来演进的PLMN中的终端设备等。
可选地，终端设备120之间可以进行终端直连(Device to Device，D2D)通信。
可选地，5G系统或5G网络还可以称为新无线(New Radio，NR)系统或NR网络。
图2示例性地示出了一个网络设备和两个终端设备，可选地，该通信系统100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端设备，本申请实施例对此不做限定。
可选地，该通信系统100还可以包括网络控制器、移动管理实体等其他网络实体，本申请实施例对此不作限定。
应理解，本申请实施例中网络/系统中具有通信功能的设备可称为通信设备。以图2示出的通信系统100为例，通信设备可包括具有通信功能的网络设备110和终端设备120，网络设备110和终端设备120可以为上文所述的具体设备，此处不再赘述；通信设备还可包括通信系统100中的其他设备，例如网络控制器、移动管理实体等其他网络实体，本申请实施例中对此不做限定。
本发明实施例提供的应用于终端设备的业务处理方法的可选处理流程，如图3所示，包括以下步骤：
步骤S201，终端设备从第一网元接收允许第一业务通过第二网络接入的指示。
在一些实施例中，所述第一网元为分组控制功能(Packet Control Function，PCF)实体，所述第一网元属于第一网络，所述第一网络为PLMN网络，所述第二网络为TAN网络。
相应的，所述终端设备从PCF实体获得第一UE路线选择策略(UE Route SELECT  POLICY，URSP)；所述URSP可以包括：应用标识(Application Identity，APP ID)对应的单一网络切片选择协助信息(Single Network Slice Selection Assistance Information，S-NSSAI)、数据网络名称(Data Net Name，DNN)以及第一指示；所述第一指示用于指示允许所述APP ID对应的APP的业务通过TAN接入，还可能包含TAN ID；或者所述第一指示用于指示不允许所述APP ID对应的APP的业务通过TAN接入，还可能包含TAN ID。
步骤S202，所述终端设备针对所述第一业务在所述第二网络建立会话时，在第一消息中携带第一信息和所述第一业务在所述第二网络的第二会话ID。
这里，所述第一消息用于所述终端设备针对所述第一业务在所述第二网络建立会话。
在一些实施例中，当终端设备由PLMN网络移动到TAN覆盖范围内、并接入TAN网络后，终端设备向第二AMF发送第一消息；可选地，所述第一消息为携带PDU Session Establishment Request的第一NAS message；所述第一NAS message包括在TAN网络内的第二会话对应的第二会话ID(Session ID2)。
可选地，第一NAS message还包括所述第一业务在所述第一网络的第一会话标识ID(Session ID1)；每个Session ID对应一个IP地址，IP地址具有IP地址映射关系，用于表征运营商网络之内的IP地址与运营商网络之外的IP地址的映射关系。第一NAS message还可能指示该PDU Session时从PLMN网络内转移过来的。基于会话标识能够获取对应的IP地址，所述IP地址用于第二SMF在终端设备在第二网络建立第二会话时使用。
可选地，第一NAS message还包括所述第一业务在所述第一网络的第一会话ID对应的IP地址；此时，无需查询Session ID与IP地址的对应关系，便能直接获取Session ID1的IP地址，所述IP地址用于第二SMF在终端设备在第二网络建立第二会话时使用。
可选地，第一NAS message还包括请求类型(Request Type＝Existing)、DNN。
本发明实施例提供的应用于第一核心网网元的业务处理方法的可选处理流程，如图4所示，包括以下步骤：
步骤S301，第一核心网网元基于第二信息触发第二网元的第一服务。
这里，所述第一核心网网元属于第一网络，所述第二网元为服务器，所述第一服务为注册服务；所述第二信息包括：第一业务在第一网络的第一Session ID(Session ID1)对应的IP地址和IP地址映射关系。
在一些实施例中，终端设备发起针对第一网络的第一业务的PDU Session建立时，向第一AMF发送第二NAS message，所述第二NAS message中包括Session ID1、Request Type＝Initial、S-NSSAI、DNN以及PDU Session Establishment Request。第一AMF触发第一核心网网元的会话建立服务；第一核心网网元查询本地配置信息，根据S-NSSAI和DNN判断第一业务可以通过TAN网络接入，且需要保持第一业务的业务连续性时，第一核心网网元触发第二网元的第一服务。
第一核心网网元根据触发第二网元的第一服务时，向第二网元发送的消息中携带IMSI、Session ID1、IP地址和IP地址映射关系。
可选地，所述第一核心网网元为第一网络的第一SMF，所述第二网元为统一数据管理平台(Unified Data Manager，UDM)。
在一些实施例中，在步骤S301之后，所述方法还包括：
第一核心网网元调用UDM的注册服务，第一核心网网元与UDM交互IMSI、Session ID1、S-NSSAI、DNN、IP地址和IP地址映射关系等信息，用于第一核心网网元将Session ID1发送给终端设备触发第一AMF的NIN2 Message Transfer服务，以使终端设备从第一AMF获知在第一网络建立的第一会话的第一Session ID1。
本发明实施例提供的应用于第二核心网网元的业务处理方法的可选处理流程，如图5所示，包括以下步骤：
步骤S401，第二核心网网元获取第三信息。
这里，所述第三信息用于将第一业务由第一网络迁移至第二网络，所述第三信息至少包括：第一业务在第一网络的第一会话标识ID、所述第一会话ID对应的IP地址、以及IP地址映射关系。
在一些实施例中，所述第二核心网网元获取第三信息包括：
第二核心网网元接收第三网元发送的第二消息，所述第二消息中携带所述第一业务在第二网络的第二会话ID(Session ID2)；以及第二核心网网元触发第二网元的第二服务，所述第二服务用于获取所述第一业务在第一网络的Session ID1、所述Session ID1对应的IP地址、以及IP地址映射关系。
在一些实施例中，所述第二核心网网元为第二SMF，所述第二SMF属于第二网络，所述第三网元为第二AMF，所述第二网元为UDM，所述第一网络为PLMN网络，所述第二网络为TAN网络。
在一些实施例中，在步骤S401之后，所述方法还包括：
第二核心网网元调用第二AMF的N1N2messageTransfer服务，其中包括：IMSI、Session ID2、PDU Session Establishment Accept；PDU Session Establishment Accept可以不包括IP地址；第二AMF基于N1N2messageTransfer服务向UE发送第三NAS message，所述第三NAS message包括Session ID2和PUD Session Establishment Accept；此时，终端设备在第二网络建立第二会话，第二会话对应的IP地址仍为第一会话对应的IP地址；即第一业务在第一网络中会话标识为Session ID1的第一会话，与第一业务在第二网络中会话标识为Session ID2的第二会话使用相同的IP地址，保证了终端设备在从第一网络切换到第二网络时，第一业务的连续性。
本发明实施例终端设备在第一网络(PLMN)下建立PDU Session的处理流程示意图，如图6所示包括：
步骤S501，终端设备在PLMN注册。
步骤S502，终端设备从第一PCF获得URSP。
其中包含某个App ID对应的S-NSSAI、DNN、第一指示，所述第一指示表示App的业务是否可以通过第二网络(TAN)接入，和TAN ID。
步骤S503，终端设备触发针对PLMN业务的PDU Session建立，分配Session ID 1，向第一AMF发送NAS message，其中包含Session ID 1、Request Type＝Initial、S-NSSAI、DNN、PDU Session Establishment Request。
步骤S504，第一AMF触发第一SMF的会话建立服务，其中包含IMSI、Session ID1、Request Type＝Initial、S-NSSAI、DNN、PDU Session Establishment Request。
步骤S505，第一SMF查询本地配置信息，根据S-NSSAI和DNN判段该业务可以通过TAN接入且、需要业务连续性时，第一SMF触发UDM的注册服务，其中包含IMSI、Session ID1、S-NSSAI、DNN、IP address和IP地址的映射关系。UDM保存上述信息列表在UE SM Context中。其中，IP地址的映射关系为运营商网络之内的网络IP地址与运营商网络之外的网络IP地址之间的映射关系。
步骤S506，第一SMF触发第一AMF的N1N2MessageTransfer服务，其中包含IMSI、Session ID 1、PDU Session Establishment Accept。
步骤S507，第一AMF向终端设备发送NAS message，其中包含Session ID 1和PDU Session Establishment Accept。
基于上述终端设备在第一网络(PLMN)下建立PDU Session之后，终端设备由第一网络移动至第二网络(TAN)，相应的PDU Session也需要迁移到TAN，以保证业务 的连续性；将PDU Session由第一网络迁移到第二网络的处理流程示意图，如图7所示，包括：
步骤S601，当终端设备移动到TAN的覆盖范围，并且接入TAN网络之后，终端设备向第二AMF发送携带PDU Session Establishment Request的NAS message。NAS message中包含在TAN内的会话的Session ID 2，Request Type＝Existing，DNN；PDU Session Establishment Request中包含在PLMN内建立的需要被切换到TAN的PDU Session ID，即上述实施例中的Session ID 1，还可能包含第二指示，所述第二指示该PDU Session是从PLMN内转移过来的。这里，Session ID2与Session ID1可能相同，也可能不同。
步骤S602，第二AMF触发第二SMF的会话建立服务，其中包含IMSI、Session ID2、Request Type＝Existing、DNN、PDU Session Establishment Request。
步骤S603，第二SMF根据PDU Session Establishment Request中的指示或携带Session ID 1，确定该PDU Session是从PLMN转移过来的PDU Session，第二SMF调用第二UDM的获取服务，请求终端设备的会话管理相关的签约信息，其中包含IMSI，Session ID 1。
步骤S604，UDM根据IMSI和Session ID 1，从终端设备的SM上下文中查询Session ID 1对应的IP地址和IP地址映射关系，并将IMSI和Session ID 1、IP地址和IP地址映射关系响应给第二SMF。
步骤S605，第二SMF触发第二AMF的N1N2MessageTransfer服务，其中包含IMSI、Session ID 2、PDU Session Establishment Accept，PDU Session Establishment Accept中可以不包含IP address。
步骤S606，第二AMF向终端设备发送NAS message，其中包含Session ID2和PDU Session Establishment Accept。终端设备将Session ID1对应的IP地址复用为Session ID2的IP地址。
本发明实施例中，当终端设备从第一网络移动到第二网络时，能够保证终端设备的第一业务在第一网络中的IP地址与终端设备在第二网络中的IP地址相同，实现了业务的连续性。
本发明上述各实施例中，UDM可以是由运营商管理，也可以是由第三方管理。
本发明实施例还提供一种终端设备，所述终端设备800的组成结构，如图8所示，包括：
接收单元801，配置为从第一网元接收允许第一业务通过第二网络接入的指示，所述第一网元属于第一网络；
第一处理单元802，配置为针对所述第一业务在所述第二网络建立会话时，在第一消息中携带第一信息和所述第一业务在所述第二网络的第二会话ID；所述第一消息用于所述终端设备针对所述第一业务在所述第二网络建立会话。
本发明实施例中，所述第一信息，包括：所述第一业务在所述第一网络的第一会话ID，或所述第一业务在所述第一网络的第一会话ID对应的IP地址。
本发明实施例中，所述接收单元，配置为从第一网元接收URSP，所述URSP包括允许第一业务通过第二网络接入的指示。
本发明实施例中，所述第一消息还包括第一指示，所述第一指示用于指示所述会话由所述第一网络迁移至所述第二网络。
本发明实施例还提供第一核心网网元，所述第一核心网网元900的组成结构示意图，如图9所示，包括：
第二处理单元901，配置为基于第二信息触发第二网元的第一服务；
所述第二信息包括：第一业务在第一网络的第一会话标识ID对应的IP地址和IP地址映射关系。
本发明实施例还提供第二核心网网元，所述第二核心网网元1000的组成结构示意图，如图10所示，包括：
第三处理单元1001，配置为获取第三信息；所述第三信息用于将第一业务由第一网络迁移至第二网络，所述第三信息至少包括：第一业务在第一网络的第一会话ID、所述第一会话ID对应的IP地址、以及IP地址映射关系。
本发明实施例中，所述第三处理单元1001，配置为接收第三网元发送的第二消息，所述第二消息中携带所述第一业务在第二网络的第二会话ID。
所述第三处理单元1001，配置为触发第二网元的第二服务，所述第二服务用于获取所述第一业务在第一网络的第一会话ID、所述第一会话ID对应的IP地址、以及IP地址映射关系。
需要说明的是，本发明实施例提供的第一核心网网元和第二核心网网元具有相同的功能，且第一核心网网元属于第一网络，第二核心网网元属于第二网络，第一网络和第二网络为不同的网络。
发明实施例还提供一种终端设备，包括处理器和用于存储能够在处理器上运行的计 算机程序的存储器，其中，所述处理器用于运行所述计算机程序时，执行上述终端设备执行的业务处理方法的步骤。
本发明实施例还提供一种第一核心网网元，包括处理器和用于存储能够在处理器上运行的计算机程序的存储器，其中，所述处理器用于运行所述计算机程序时，执行上述网络设备执行的业务处理方法的步骤。
本发明实施例还提供一种第二核心网网元，包括处理器和用于存储能够在处理器上运行的计算机程序的存储器，其中，所述处理器用于运行所述计算机程序时，执行上述网络设备执行的业务处理方法的步骤。
图11是本发明实施例的电子设备(终端设备或第一核心网网元或第二核心网网元)的硬件组成结构示意图，电子设备700包括：至少一个处理器701、存储器702和至少一个网络接口704。电子设备700中的各个组件通过总线系统705耦合在一起。可理解，总线系统705用于实现这些组件之间的连接通信。总线系统705除包括数据总线之外，还包括电源总线、控制总线和状态信号总线。但是为了清楚说明起见，在图11中将各种总线都标为总线系统705。
可以理解，存储器702可以是易失性存储器或非易失性存储器，也可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是ROM、可编程只读存储器(PROM，Programmable Read-Only Memory)、可擦除可编程只读存储器(EPROM，Erasable Programmable Read-Only Memory)、电可擦除可编程只读存储器(EEPROM，Electrically Erasable Programmable Read-Only Memory)、磁性随机存取存储器(FRAM，ferromagnetic randomaccess memory)、快闪存储器(Flash Memory)、磁表面存储器、光盘、或只读光盘(CD-ROM，Compact Disc Read-Only Memory)；磁表面存储器可以是磁盘存储器或磁带存储器。易失性存储器可以是随机存取存储器(RAM，RandomAccess Memory)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(SRAM，Static Random Access Memory)、同步静态随机存取存储器(SSRAM，Synchronous Static RandomAccess Memory)、动态随机存取存储器(DRAM，Dynamic Random Access Memory)、同步动态随机存取存储器(SDRAM，Synchronous Dynamic Random Access Memory)、双倍数据速率同步动态随机存取存储器(DDRSDRAM，Double Data Rate Synchronous Dynamic Random Access Memory)、增强型同步动态随机存取存储器(ESDRAM，Enhanced Synchronous Dynamic Random Access Memory)、同步连接动态随机存取存储器(SLDRAM，SyncLink Dynamic Random Access  Memory)、直接内存总线随机存取存储器(DRRAM，Direct Rambus Random Access Memory)。本发明实施例描述的存储器702旨在包括但不限于这些和任意其它适合类型的存储器。
本发明实施例中的存储器702用于存储各种类型的数据以支持电子设备700的操作。这些数据的示例包括：用于在电子设备700上操作的任何计算机程序，如应用程序7022。实现本发明实施例方法的程序可以包含在应用程序7022中。
上述本发明实施例揭示的方法可以应用于处理器701中，或者由处理器701实现。处理器701可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法的各步骤可以通过处理器701中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器701可以是通用处理器、数字信号处理器(DSP，Digital Signal Processor)，或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。处理器701可以实现或者执行本发明实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本发明实施例所公开的方法的步骤，可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于存储介质中，该存储介质位于存储器702，处理器701读取存储器702中的信息，结合其硬件完成前述方法的步骤。
在示例性实施例中，电子设备700可以被一个或多个应用专用集成电路(ASIC，Application Specific Integrated Circuit)、DSP、可编程逻辑器件(PLD，Programmable Logic Device)、复杂可编程逻辑器件(CPLD，Complex Programmable Logic Device)、FPGA、通用处理器、控制器、MCU、MPU、或其他电子元件实现，用于执行前述方法。
本申请实施例还提供了一种计算机可读存储介质，用于存储计算机程序。
可选地，该计算机可读存储介质可应用于本申请实施例中的终端设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由终端设备实现的相应流程，为了简洁，在此不再赘述。
可选的，该计算机可读存储介质可应用于本申请实施例中的第一核心网网元，并且该计算机程序使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选的，该计算机可读存储介质可应用于本申请实施例中的第二核心网网元，并且该计算机程序使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
本发明是参照根据本发明实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
以上所述，仅为本发明的较佳实施例而已，并非用于限定本发明的保护范围，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (22)

  1. 一种业务处理方法，所述方法包括：
    终端设备从第一网元接收允许第一业务通过第二网络接入的指示，所述第一网元属于第一网络；
    所述终端设备针对所述第一业务在所述第二网络建立会话时，在第一消息中携带第一信息和所述第一业务在所述第二网络的第二会话标识ID；
    所述第一消息用于所述终端设备针对所述第一业务在所述第二网络建立会话。
  2. 根据权利要求1所述的方法，其中，所述第一信息，包括：
    所述第一业务在所述第一网络的第一会话ID，或所述第一业务在所述第一网络的第一会话ID对应的网络协议IP地址。
  3. 根据权利要求1所述的方法，其中，所述终端设备从第一网元接收允许第一业务通过第二网络接入的指示，包括：
    所述终端设备从第一网元接收终端设备路线选择策略URSP，所述URSP包括允许第一业务通过第二网络接入的指示。
  4. 根据权利要求1至3任一项所述的方法，其中，所述第一消息还包括第一指示，所述第一指示用于指示所述会话由所述第一网络迁移至所述第二网络。
  5. 一种业务处理方法，所述方法包括：
    第一核心网网元基于第二信息触发第二网元的第一服务；
    所述第二信息包括：第一业务在第一网络的第一会话标识ID对应的网络协议IP地址和IP地址映射关系。
  6. 一种业务处理方法，所述方法包括：
    第二核心网网元获取第三信息；所述第三信息用于将第一业务由第一网络迁移至第二网络，所述第三信息至少包括：第一业务在第一网络的第一会话标识ID、所述第一会话ID对应的网络协议IP地址、以及IP地址映射关系。
  7. 根据权利要求6所述的方法，其中，所述第二核心网网元获取第三信息，包括：
    所述第二核心网网元接收第三网元发送的第二消息，所述第二消息中携带所述第一业务在第二网络的第二会话ID。
  8. 根据权利要求6所述的方法，其中，所述第二核心网网元获取第三信息，包括：
    所述第二核心网网元触发第二网元的第二服务，所述第二服务用于获取所述第一业 务在第一网络的第一会话ID、所述第一会话ID对应的IP地址、以及IP地址映射关系。
  9. 一种终端设备，所述终端设备包括：
    接收单元，配置为从第一网元接收允许第一业务通过第二网络接入的指示，所述第一网元属于第一网络；
    第一处理单元，配置为针对所述第一业务在所述第二网络建立会话时，在第一消息中携带第一信息和所述第一业务在所述第二网络的第二会话标识ID；
    所述第一消息用于所述终端设备针对所述第一业务在所述第二网络建立会话。
  10. 根据权利要求9所述的终端设备，其中，所述第一信息，包括：
    所述第一业务在所述第一网络的第一会话ID，或所述第一业务在所述第一网络的第一会话ID对应的网络协议IP地址。
  11. 根据权利要求9所述的终端设备，其中，所述接收单元，配置为从第一网元接收终端设备路线选择策略URSP，所述URSP包括允许第一业务通过第二网络接入的指示。
  12. 根据权利要求9至11任一项所述的终端设备，其中，所述第一消息还包括第一指示，所述第一指示用于指示所述会话由所述第一网络迁移至所述第二网络。
  13. 第一核心网网元，所述第一核心网网元包括：
    第二处理单元，配置为基于第二信息触发第二网元的第一服务；
    所述第二信息包括：第一业务在第一网络的第一会话标识ID对应的网络协议IP地址和IP地址映射关系。
  14. 第二核心网网元，所述第二核心网网元包括：
    第三处理单元，配置为获取第三信息；所述第三信息用于将第一业务由第一网络迁移至第二网络，所述第三信息至少包括：第一业务在第一网络的第一会话标识ID、所述第一会话ID对应的网络协议IP地址、以及IP地址映射关系。
  15. 根据权利要求14所述的第二核心网网元，其中，所述第三处理单元，配置为接收第三网元发送的第二消息，所述第二消息中携带所述第一业务在第二网络的第二会话ID。
  16. 根据权利要求14所述的第二核心网网元，其中，所述第三处理单元，配置为触发第二网元的第二服务，所述第二服务用于获取所述第一业务在第一网络的第一会话ID、所述第一会话ID对应的IP地址、以及IP地址映射关系。
  17. 一种终端设备，包括处理器和用于存储能够在处理器上运行的计算机程序的存 储器，其中，
    所述处理器用于运行所述计算机程序时，执行权利要求1至4任一项所述的业务处理方法的步骤。
  18. 第一核心网网元，包括处理器和用于存储能够在处理器上运行的计算机程序的存储器，其中，
    所述处理器用于运行所述计算机程序时，执行权利要5所述的业务处理方法的步骤。
  19. 第二核心网网元，包括处理器和用于存储能够在处理器上运行的计算机程序的存储器，其中，
    所述处理器用于运行所述计算机程序时，执行权利要6至8任一项所述的业务处理方法的步骤。
  20. 一种存储介质，存储有可执行程序，所述可执行程序被处理器执行时，实现权利要求1至4任一项所述的业务处理方法。
  21. 一种存储介质，存储有可执行程序，所述可执行程序被处理器执行时，实现权利要求5所述的业务处理方法。
  22. 一种存储介质，存储有可执行程序，所述可执行程序被处理器执行时，实现权利要求6至8任一项所述的业务处理方法。
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