WO2023185553A1 - Eas的发现方法、装置及网络设备 - Google Patents
Eas的发现方法、装置及网络设备 Download PDFInfo
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- WO2023185553A1 WO2023185553A1 PCT/CN2023/082835 CN2023082835W WO2023185553A1 WO 2023185553 A1 WO2023185553 A1 WO 2023185553A1 CN 2023082835 W CN2023082835 W CN 2023082835W WO 2023185553 A1 WO2023185553 A1 WO 2023185553A1
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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
- H04W8/06—Registration at serving network Location Register, VLR or user mobility server
- H04W8/065—Registration at serving network Location Register, VLR or user mobility server involving selection of the user mobility server
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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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
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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
- H04W8/06—Registration at serving network Location Register, VLR or user mobility server
-
- 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
- H04W8/08—Mobility data transfer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
Definitions
- the method further includes:
- the method, wherein obtaining the address information of the fourth network function includes:
- the seventh message also includes at least one of the following information:
- the eleventh message includes EAS information.
- the method further includes:
- the seventh message is sent to the second network function NEF1, where the seventh message includes EAS information.
- the sixth message and the tenth message each include at least one of the following information:
- the eleventh message also includes at least one of the following information:
- Embodiments of the present disclosure also provide a method for discovering an edge application server EAS, which is executed by a sixth network function.
- the method includes:
- the method further includes:
- the method, wherein obtaining EAS information according to the tenth message includes:
- the EAS information is obtained after performing a DNS query to the DNS server through the seventh network function.
- the method further includes:
- the sixth network function determines the DNS server based on the third information.
- the third information includes at least one of the following:
- Edge application server deployment (EAS deployment information, EDI) information.
- the tenth message includes at least one of the following:
- Embodiments of the present disclosure also provide a method for discovering an edge application server EAS, which is executed by the fifth network function.
- the method includes:
- the ninth message includes address information of the fourth network function.
- the eighth message includes at least one of the following:
- the method which is executed by the first network function, includes:
- network reselection indication information is sent to the terminal based on the first information.
- the method further includes:
- the method further includes:
- the second network function receives the second message, matches the second message with the first rule, and sends the first message to the first network function.
- the first network function sends network reselection indication information to the terminal based on the first information, including:
- the first network function After receiving the first message, the first network function sends network reselection indication information to the terminal based on the first information.
- the first rule includes at least one of the following:
- the first network does not provide edge application services
- the requesting application of the second message is a joint application, and the second network provides edge application services.
- reselection network indication information is sent to the terminal based on the first information
- network reselection indication information is sent to the terminal based on the first information.
- the second rule includes at least one of the following:
- the method further includes:
- the first information includes at least one of the following:
- the federation capability identifier of the terminal
- the method further includes:
- the federation information includes at least one of the following:
- the federation information is provided by the AF to the second network function.
- Embodiments of the present disclosure also provide a method for discovering an edge application server EAS, which is executed by a terminal.
- the method includes:
- the method further includes:
- An embodiment of the present disclosure also provides a network device, wherein the network device is a first network function, including a transceiver, and is used for:
- An embodiment of the present disclosure also provides a network device, wherein the network device is a second network function, including a transceiver, used for:
- An embodiment of the present disclosure also provides a network device, wherein the network device is a fourth network function, including a transceiver, used for:
- network reselection indication information is sent to the terminal based on the first information.
- An embodiment of the present disclosure also provides a terminal, which includes a transceiver for:
- An embodiment of the present disclosure also provides a device for discovering an edge application server EAS, wherein, applied to the first network function, the device includes:
- the first transceiver unit is used to send the first message to the second network function.
- An embodiment of the present disclosure also provides a device for discovering an edge application server EAS, where, applied to the second network function, the device includes:
- An embodiment of the present disclosure also provides a device for discovering an edge application server EAS, where, applied to the fourth network function, the device includes:
- An embodiment of the present disclosure also provides a device for discovering an edge application server EAS, where, applied to the sixth network function, the device includes:
- the fourth transceiver unit is used to receive the tenth message sent by the fourth network function and is used to request EAS information;
- An embodiment of the present disclosure also provides a device for discovering an edge application server EAS, where, applied to the fifth network function, the device includes:
- the fifth transceiver unit is used to receive the eighth message sent by the second network function
- the first transceiver unit is configured to send network reselection indication information to the terminal based on the first information during the EAS search or EAS relocation process.
- An embodiment of the present disclosure also provides a device for discovering an edge application server EAS, wherein, applied to a terminal, the device includes:
- the second transceiver unit is configured to receive network reselection indication information sent by the first network function during the EAS search or EAS relocation process.
- An embodiment of the present disclosure also provides a network device, including: a transceiver, a processor, a memory, and a program or instruction stored on the memory and executable on the processor; wherein the processor executes the A program or instruction implements the discovery method described in any of the above items.
- Embodiments of the present disclosure also provide a readable storage medium on which a program or instructions are stored, wherein when the program or instructions are executed by a processor, the steps in the discovery method as described in any one of the above items are implemented.
- the first network function can use the first information to send the first message to the second network function for requesting EAS across the network to implement EAS cross-network discovery and access.
- Figure 9 is a schematic flowchart of implementation mode 5 of the method described in Embodiment 1 of the present disclosure.
- Figure 10 is a schematic flowchart of Implementation Mode 1 of the method described in Embodiment 2 of the present disclosure.
- Figure 11 is a schematic flowchart of Implementation Mode 2 of the method described in Embodiment 2 of the present disclosure.
- Figure 12 is a schematic diagram of the third implementation of the method according to the embodiment of the present disclosure.
- Figure 13 is a schematic diagram of implementation mode 4 of the method described in the embodiment of the present disclosure.
- FIG. 1 is an application system using the EAS discovery method described in the embodiment of the present disclosure.
- the application system includes at least two networks, which can also be said to include at least two operator networks.
- the core network includes multiple network functions, such as Application Function (AF), Access and Mobility Management Function (AMF), Session Management Function (SMF), Network Opening Network Exposure Function (NEF), User plane Function (UPF), Edge Application Server Discovery Function (EASDF), Data network (DN), EAS, etc., among which the terminal
- AF Application Function
- AMF Access and Mobility Management Function
- SMF Session Management Function
- NEF Network Opening Network Exposure Function
- UPF User plane Function
- EASDF Edge Application Server Discovery Function
- DN Data network
- EAS Data network
- the UE of the first network can search or discover the EAS of the second network through the network function of the first network, or use the network function of the first network to reconnect on the second network. Locate EAS and realize cross-network discovery and access of EAS.
- the first network function SMF1 sends a first message to the second network function NEF1 based on the first information.
- the first information includes at least one of the following:
- the first network function SMF1 also filters the network based on the first information and selects an EAS that can provide services for the terminal; optionally, selects an EAS that can provide services for the terminal. Best EAS.
- the first message includes at least one of the following information:
- PLMN Public Land Mobile Network
- step S210 the method further includes:
- the first message is the federation event opening request message Nnef_FederationEventExposure request; the second message is the federation event opening response message Nnef_FederationEventExposure response.
- the method further includes:
- the first network function SMF1 After receiving the third message, the first network function SMF1 sends the first message to the second network function NEF1 based on the first information.
- the first rule is a DNS message processing rule.
- edge application services are not provided in the first network
- the fourth message is a domain name system DNS query request message; the third message is a DNS message.
- a first message is sent to the second network function NEF1, including:
- the second rule includes at least one of the following:
- edge application services are not provided in the first network
- the second network provides edge application services.
- the method further includes: when the first network function SMF1 determines that the UE is moving, triggering L-PSA insertion and EAS redirection; and/or triggering EAS redirection by the AF, for example, when the AF detects the movement of the terminal UE.
- AF triggers EAS redirection.
- the first network function SMF1 determines that there is no EAS in the first network that can provide edge application services based on the location of the terminal; and/or, based on the pre-obtained information, determines that there is an EAS in the second network that can provide edge application services for the terminal.
- a first message is sent to the second network function NEF1, that is, a federation event opening request Nnef_FederationEventExposure request is sent to request cross-network EAS and realize cross-network discovery and access of EAS.
- the process of realizing cross-network discovery and access of EAS includes the following steps:
- the terminal UE completes PDU session establishment in the first network; optionally, during the PDU session establishment process, the SM context information in the PDU session establishment process carries the federation capability identifier of the serving network and/or the terminal.
- the service network includes, but is not limited to, only a PLMN ID.
- PDU stands for Protocol Data Unit, which is a protocol data unit.
- S302 The terminal UE sends a fourth message (DNS query request) to the third network function EASDF1.
- the third network function EASDF1 matches the fourth message with the first rule according to the fourth message, and sends the third message to the first network function SMF1; wherein the third message is a DNS message;
- the first rule includes at least one of the following:
- edge application services are not provided in the first network
- the application requested by the fourth message is a joint application
- the second network provides edge application services.
- the first network function SMF1 sends the first message to the second network function NEF1 based on the first information, that is, sends a federation event opening request Nnef_FederationEventExposure request;
- the federal event opening request includes at least one of the following information:
- the fourth network function is a network function of the second network.
- the fourth network function is NEF.
- the fourth network function can be expressed as NEF2 .
- the fifth network function Federation NRF searches for the address information of the NEF of the corresponding network based on the PLMN identifier requested in the eight message, that is, determines the address information of the fourth network function NEF2, and sends the third network function NEF1 to the second network function NEF1.
- the response message is used to carry the address information of the fourth network function NEF2.
- the address information of the NEF of other networks outside the first network can be pre-configured on the NEF of the first network, that is, pre-configured on the second network function NEF1.
- the second network function NEF1 can directly obtain the address information of the fourth network function NEF2.
- the second network function NEF1 sends a sixth message to the fourth network function NEF2, for requesting to obtain accessible EAS information.
- the second network function NEF1 sends a sixth message by calling the event open request Nnef_EventExposure request, and optionally, the sixth message includes at least one of the following information:
- the fourth network function NEF2 receives the sixth message, determines that the sixth message is a joint application access request sent by the first network according to the external group identifier in the sixth message, and then sends the tenth message to the sixth network function, Used to request EAS information;
- the sixth network function is the SMF of the second network.
- the sixth network function can be represented as SMF2;
- the fourth network function NEF2 sends the tenth message by calling the event open request Nsmf_EventExposure request, and the tenth message includes at least one of the following information:
- the sixth network function SMF2 obtains accessible EAS information based on the tenth message
- the sixth network function SMF2 determines the DNS server according to the third information
- the third information includes at least one of the following:
- the seventh network function is the EASDF of the second network.
- the seventh network function may be represented as EASDF2.
- the sixth network function SMF2 performs an EDI information query based on at least one of the terminal location, application identifier, PLMN identifier and external group identifier in the tenth message.
- the seventh network function EASDF2 After performing a DNS query to the determined DNS server, the accessible EAS information is obtained.
- the sixth network function SMF2 sends an eleventh message to the fourth network function NEF2; the eleventh message includes EAS information;
- the eleventh message is a response message to the tenth message, and optionally, the EAS information includes the IP address and/or FQDN.
- the eleventh message is an event open response Nsmf_EventExposure response message.
- the fourth network function NEF2 sends a seventh message to the second network function NEF1; the seventh message includes EAS information.
- the seventh message is a response message to the sixth message.
- the seventh message is an event opening response Nnef_EventExposure response message
- the fourth network function NEF2 sends the message to the second Nnef_EventExposure response message by calling the Nnef_EventExposure response message.
- Network function NEF1 sends accessible EAS information.
- the second network function NEF1 After receiving the seventh message, the second network function NEF1 sends a second message to the first network function SMF1; the second message is a response message to the first message and includes EAS information.
- the second message is Nnef_FederationEventExposure response.
- the first network function SMF1 sends a twelfth message to the third network function EASDF1.
- the twelfth message includes the EAS message.
- the twelfth message is a response message to the third message.
- the first network function can use the first information to send a first request message to the second network function for requesting cross-network EAS realizes cross-network discovery and access of EAS.
- the first network function SMF1 sends the first message to the second network function NEF1 according to the first information
- the first network function SMF1 sends the first message to the second network function NEF1:
- the second rule includes at least one of the following:
- the second network provides edge application services.
- the second network function NEF1 obtains the address information of the fourth network function based on the first message.
- the fourth network function is a network function of the second network.
- the fourth network function is NEF.
- the fourth network function can be expressed as NEF2 .
- the second network function NEF1 can obtain the address information of the fourth network function NEF2 through the following steps S403 and S404.
- the second network function NEF1 sends an eighth message to the fifth network function; wherein the eighth message is used to request to query the address information of the fourth network function NEF2.
- the fifth network function may be a Federation NRF connected between NEF1 of the first network and NEF2 of the second network, used for address information query between NEFs of multiple networks.
- the eighth message includes at least one of the following information:
- the address information of the NEF of other networks outside the first network can be pre-configured on the NEF of the first network, that is, pre-configured on the second network function NEF1.
- the second network function NEF1 can directly obtain the address information of the fourth network function NEF2.
- the second network function NEF1 sends a sixth message to the fourth network function NEF2, for requesting to obtain accessible EAS information.
- the sixth network function is the SMF of the second network.
- the sixth network function can be represented as SMF2;
- the fourth network function NEF2 sends a tenth message by calling the event open request Nsmf_EventExposure request, and the tenth message includes at least one of the following One message:
- the sixth network function SMF2 obtains accessible EAS information based on the tenth message
- the sixth network function SMF2 obtains accessible EAS information after performing a DNS query to the DNS server through the seventh network function.
- the sixth network function SMF2 determines the DNS server according to the third information
- the third information includes at least one of the following:
- the seventh network function is the EASDF of the second network.
- the seventh network function may be represented as EASDF2.
- the sixth network function SMF2 performs an EDI information query based on at least one of the terminal location, application identifier, PLMN identifier and external group identifier in the tenth message.
- the seventh network function EASDF2 After performing a DNS query to the determined DNS server, the accessible EAS information is obtained.
- the sixth network function SMF2 sends an eleventh message to the fourth network function NEF2; the eleventh message includes EAS information;
- the seventh message is a response message to the sixth message.
- the first network function SMF1 performs the PDU session modification step according to the EAS information in the second message, and creates a new L-PSA2 according to the location information of the terminal, and carries the PDU Session Modification Command returned by the second message in the PDU Session Modification Command.
- EAS information ;
- AF completes the information synchronization between the source EAS (Source EAS) and the target EAS (Target EAS), and performs context transfer.
- Source EAS is the EAS accessed before the EAS redirection event is triggered
- Target EAS is the EAS corresponding to the EAS information returned by the first response message.
- DN Access Identifier DNAI
- NEF sends a second response message to AF.
- the method further includes:
- the method further includes:
- the method, wherein obtaining the address information of the fourth network function NEF2 includes:
- the address information of the fourth network function NEF2 is obtained.
- the second information is network preconfiguration information, used to check Find the address information of cross-network NEF.
- the method further includes:
- the ninth message includes address information of the fourth network function NEF2.
- the first message includes at least one of the following information:
- the eleventh message includes EAS information.
- S810 Receive the tenth message sent by the fourth network function NEF2 for requesting EAS information
- the method further includes:
- the sixth network function SMF2 determines the DNS server based on the third information.
- the first network function uses the first information to instruct the terminal to access other networks through network reselection by sending a network reselection instruction to the terminal. Realize cross-network discovery and access of EAS.
- one implementation is executed by the first network function SMF1. As shown in Figure 10, the method includes:
- the reselection network indication information includes network information of the reselection network.
- reselect Network indication information used to indicate relevant information of the network for terminal re-access, which can be PLMN identification (Identifier, ID), single network slice selection assistance information (Single Network Slice Selection Assistance Information, S-NSSAI), network slice selection assistance At least one of Network Slice Selection Assistance Information (NSSAI) and Data Network Name (DNN).
- the first network function uses the first information to send network reselection instruction information to the terminal, instructing the terminal to access other networks through network reselection, thereby realizing cross-network discovery and access of EAS.
- the first network function is the network function of the first network; optionally, the first network function is SMF.
- the first network function may be represented as SMF1.
- the method further includes:
- the first network function SMF1 sends network reselection indication information to the terminal based on the first message, including:
- the first rule includes at least one of the following:
- the first network does not provide edge application services
- the requesting application of the second message is a joint application, and the second network provides edge application services.
- the method further includes:
- the method also includes:
- the first network function SMF1 receives the federation information sent by the third network function NEF1 through a third message.
- the process of realizing cross-network discovery and access of EAS includes the following steps:
- the terminal UE completes PDU session establishment in the first network; optionally, during the PDU session establishment process, the SM context information in the PDU session establishment process carries the federation capability identifier of the serving network and/or the terminal.
- the service network includes, but is not limited to, only a PLMN ID.
- the terminal UE After performing EASDF1 (second network function) selection of the first network, the terminal UE sends a second message to the second network function EASDF1.
- the second message is a DNS query request.
- the second network function EASDF1 matches the second message with the first rule according to the second message, and sends the first message to the first network function SMF1; where the first message is a DNS message, and SMF sends the first message to the first rule.
- the second network function EASDF1 sends a response to the first message;
- the first rule includes at least one of the following:
- the requesting application of the second message is a joint application, and the second network provides edge application services.
- the first network function SMF1 sends network reselection indication information to the terminal based on the first message and the first information.
- the network reselection indication information includes network information of the reselection network.
- S1205 The terminal establishes a PDU session in the network corresponding to the network information (the second network), and searches or finds a suitable EAS through the EASDF2 of the second network.
- the first network function uses the first information to send a network reselection instruction to the terminal, instructing the terminal to access other networks through network reselection, thereby realizing EAS cross-network Discover and visit.
- the network device wherein the transceiver is also used for:
- the second rule includes at least one of the following:
- the service network and/or the federation capability identifier are obtained during the establishment of a PDU session of the terminal.
- the network device receives all the information during the EAS search or relocation process.
- the transceiver is also used to:
- the transceiver after receiving the second message sent by the second network function during the EAS search or relocation process, the transceiver is further configured to:
- the second message includes at least one of the following information:
- the address information of the fourth network function is obtained.
- the second information is network preconfiguration information, used to search for cross-network NEF address information.
- the network device wherein the transceiver is also used for:
- the first message includes at least one of the following information:
- the eighth message includes at least one of the following information:
- the network device wherein the transceiver is also used for:
- the seventh message is sent to the second network function NEF1, where the seventh message includes EAS information.
- the eleventh message further includes at least one of the following information:
- An embodiment of the present disclosure also provides a network device.
- the network device is a sixth network function, including a transceiver, and is used for:
- the network device wherein the transceiver is also used for:
- the network device wherein the EAS information is obtained according to the tenth message, includes:
- the EAS information is obtained after performing a DNS query to the DNS server through the seventh network function.
- the network device wherein the transceiver is also used for:
- the sixth network function determines the DNS server based on the third information.
- the third information includes at least one of the following:
- the tenth message includes at least one of the following:
- An embodiment of the present disclosure also provides a network device, wherein the network device is a fifth network function, including a transceiver, used for:
- the network device wherein the ninth message includes a fourth network function Address information.
- the eighth message includes at least one of the following:
- An embodiment of the present disclosure also provides a network device.
- the network device is a first network function, including a transceiver, and is used for:
- network reselection indication information is sent to the terminal based on the first information.
- the transceiver is also used to:
- the transceiver is also used to:
- the second network function receives the second message, matches the second message with the first rule, and sends the first message to the first network function.
- the first network function sends network reselection indication information to the terminal based on the first information, including:
- the first network function After receiving the first message, the first network function sends network reselection indication information to the terminal based on the first information.
- the first rule includes at least one of the following:
- the first network does not provide edge application services
- the requesting application of the second message is a joint application, and the second network provides edge application services.
- the network device during the EAS relocation process, sends network reselection indication information to the terminal based on the first information
- network reselection indication information is sent to the terminal based on the first information.
- the second rule includes at least one of the following:
- the network device wherein the transceiver is also used for:
- the first information includes at least one of the following:
- the federation capability identifier of the terminal
- the network device wherein the transceiver is also used for:
- the service network and/or the federation capability identifier are obtained during the establishment of a PDU session of the terminal.
- the network device wherein the transceiver is also used for:
- the first network function receives the federation information sent by the third network function through a third message.
- the federation information includes at least one of the following:
- the federation information is provided by the AF to the second network function.
- An embodiment of the present disclosure also provides a terminal, which includes a transceiver for:
- the terminal further includes a processor for:
- An embodiment of the present disclosure also provides a device for discovering an edge application server EAS, wherein, applied to the first network function, the device includes:
- the first transceiver unit is used to send the first message to the second network function.
- the discovery device is applied to the first network function corresponding to the discovery method.
- the specific implementation manner will not be described in detail here.
- An embodiment of the present disclosure also provides a device for discovering an edge application server EAS, where, applied to the second network function, the device includes:
- a second transceiver unit configured to receive the first message sent by the first network function
- the discovery device corresponds to the specific implementation when the discovery method is applied to the second network function, which will not be described in detail here.
- An embodiment of the present disclosure also provides a device for discovering an edge application server EAS, where, applied to the fourth network function, the device includes:
- the third transceiver unit is used to receive the sixth message sent by the second network function and is used to request EAS information;
- the discovery device corresponds to a specific implementation when the discovery method is applied to the fourth network function, which will not be described in detail here.
- An embodiment of the present disclosure also provides a device for discovering an edge application server EAS, where, applied to the sixth network function, the device includes:
- the fourth transceiver unit is used to receive the tenth message sent by the fourth network function and is used to request EAS information;
- the discovery device corresponds to the specific implementation method when the discovery method is applied to the sixth network function, which will not be described in detail here.
- One embodiment of the present disclosure also provides a device for discovering an edge application server EAS, wherein, applied to the fifth network function, the device includes:
- the fifth transceiver unit is used to receive the eighth message sent by the second network function
- the discovery device corresponds to the specific implementation when the discovery method is applied to the fifth network function, which will not be described in detail here.
- An embodiment of the present disclosure also provides an edge application server EAS discovery device, which is characterized in that: Applied to the first network function, the device includes:
- the first transceiver unit is configured to send network reselection indication information to the terminal based on the first information during the EAS search or EAS relocation process.
- the discovery device corresponds to the specific implementation of the discovery method when it is applied to the first network function of the second embodiment, which will not be described in detail here.
- An embodiment of the present disclosure also provides a device for discovering an edge application server EAS, wherein, applied to a terminal, the device includes:
- the second transceiver unit is configured to receive network reselection indication information sent by the first network function during the EAS search or EAS relocation process.
- the discovery device corresponds to the specific implementation method when the discovery method is applied to the terminal in Embodiment 2, which will not be described in detail here.
- One embodiment of the present disclosure also provides a network device, including: a transceiver, a processor, a memory, and a program or instructions stored on the memory and executable on the processor; wherein the processor executes The program or instruction implements the discovery method described in any of the above items.
- the network device may be any of the above network functions or terminals.
- the network device may be any of the above network functions or terminals.
- the specific implementation process when the corresponding processor executes the discovery method please refer to the above detailed description, which will not be described here.
- a readable storage medium has a program or instructions stored thereon.
- the steps in the EAS discovery method as described above are implemented and the same technical effect can be achieved. To avoid repetition, they will not be repeated here.
- the processor is the processor in the network device described in the above embodiment.
- the readable storage media includes computer-readable storage media, such as computer read-only memory (ROM), random access memory (Random Access Memory, RAM), magnetic disks or optical disks.
- terminals described in this specification include but are not limited to smartphones, tablet computers, etc., and many of the functional components described are called modules to more specifically emphasize the independence of their implementation.
- an executable code module can be a single instruction or many instructions, and can even be distributed over multiple different code segments, distributed among different programs, and distributed across multiple memory devices.
- operational data may be identified within modules and may be implemented in any suitable form and organized within any suitable type of data structure. The operational data may be collected as a single data set, or may be distributed over different locations (including on different storage devices), and may exist, at least in part, solely as electronic signals on a system or network.
- the hardware circuits include conventional very large scale integration (VLSI) circuits or gate arrays as well as existing semiconductors such as logic chips, transistors, or other discrete components.
- VLSI very large scale integration
- Modules can also be implemented using programmable hardware devices, such as field programmable gate arrays, programmable array logic, programmable logic devices, etc.
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Abstract
Description
Claims (75)
- 一种边缘应用服务器EAS的发现方法,由第一网络功能执行,所述方法包括:所述第一网络功能向第二网络功能发送第一消息。
- 根据权利要求1所述的方法,其中,第一网络功能向第二网络功能发送第一消息,包括:在EAS查找或EAS重定位过程中,所述第一网络功能基于第一信息,向第二网络功能发送第一消息。
- 根据权利要求1或2所述的方法,其中,所述第一网络功能在向第二网络功能发送所述第一消息之后,所述方法还包括:接收所述第二网络功能发送的第二消息;其中,所述第二消息中包括EAS信息。
- 根据权利要求1所述的方法,所述方法还包括:在EAS查找过程,接收第三网络功能发送的第三消息。
- 根据权利要求4所述的方法,所述方法还包括:所述第三网络功能接收第四消息,所述第四消息与第一规则匹配,向所述第一网络功能发送所述第三消息。
- 根据权利要求5所述的方法,其中,所述第一规则为DNS消息处理规则。
- 根据权利要求4所述的方法,其中,所述第一网络功能向第二网络功能发送第一消息,包括:所述第一网络功能根据所述第三消息,向所述第二网络功能发送所述第一消息。
- 根据权利要求5所述的方法,其中,所述第一规则包括以下至少之一:根据所述终端的位置,第一网络内不提供边缘应用服务;所述第四消息请求的应用为联合应用;第二网络提供边缘应用服务。
- 根据权利要求2所述的方法,其中,在EAS重定位过程,所述第一 网络功能向第二网络功能发送第一消息,包括:在EAS重定位过程,在满足第二规则时,所述第一网络功能向第二网络功能发送第一消息。
- 根据权利要求9所述的方法,其中,所述第二规则包括以下至少之一:根据所述终端的位置,第一网络内不提供边缘应用服务;第二网络提供边缘应用服务。
- 根据权利要求2所述的方法,所述方法还包括:在EAS查找过程中,基于所述第一信息对网络进行筛选,选择能够为所述终端提供服务的EAS。
- 根据权利要求1所述的方法,其中,所述第一消息包括以下至少之一信息:终端位置;应用标识;公共陆地移动网络PLMN标识;外部组标识。
- 根据权利要求2所述的方法,其中,所述第一信息包括以下至少之一:联邦信息;终端的联邦能力标识;服务网络;运营商的延迟latency列表。
- 根据权利要求13所述的方法,所述方法还包括:在终端的PDU会话建立过程中获取所述服务网络和/或所述联邦能力标识。
- 根据权利要求13所述的方法,所述方法还包括:所述第一网络功能接收第二网络功能通过第五消息发送的所述联邦信息。
- 根据权利要求15所述的方法,其中,所述联邦信息包括以下至少之一:应用标识;数据网络接入标识DNAI;公共陆地移动网络PLMN标识;延迟信息latency;支持的接入方式。
- 根据权利要求15所述的方法,其中,所述联邦信息由AF提供至所述第二网络功能NEF。
- 根据权利要求3所述的方法,其中,在EAS查找或重定位过程中,接收所述第二网络功能发送的第二消息之后,所述方法还包括:在PDU会话更改过程中,按需插入本地PDU会话锚点L-PSA。
- 根据权利要求3所述的方法,其中,在EAS查找或重定位过程中,接收所述第二网络功能发送的第二消息之后,所述方法还包括:在PDU会话修改命令中携带EAS信息。
- 根据权利要求3所述的方法,其中,所述第二消息包括以下至少之一信息:EAS IP地址EAS完整域名FQDN。
- 一种边缘应用服务器EAS的方法,由第二网络功能NEF1执行,所述方法包括:接收第一网络功能发送的第一消息;和/或,获得第四网络功能的地址信息;和/或,向所述第四网络功能发送第六消息,用于请求获得EAS信息。
- 根据权利要求21所述的方法,其中,所述方法还包括:接收所述第四网络功能发送的第七消息,所述第七消息中包括EAS信息。
- 根据权利要求21所述的方法,其中,所述方法还包括:向所述第一网络功能发送第二消息,所述第二消息中包括EAS信息。
- 根据权利要求21所述的方法,其中,获得第四网络功能的地址信息,包括:根据第二信息,获得第四网络功能的地址信息。
- 根据权利要求24所述的方法,其中,所述第二信息为网络预配置信息,用于查找跨网NEF的地址信息。
- 根据权利要求21所述的方法,所述方法还包括:向第五网络功能发送第八消息;和/或,接收所述第五网络功能发送的第九消息。
- 根据权利要求26所述的方法,其中,所述第九消息中包括所述第四网络功能的地址信息。
- 根据权利要求21所述的方法,其中,所述第一消息包括以下至少之一信息:终端位置;应用标识;公共陆地移动网络PLMN标识;外部组标识。
- 根据权利要求22所述的方法,其中,所述第七消息中还包括以下至少之一信息:EAS IP地址;EAS完整域名FQDN。
- 根据权利要求26所述的方法,其中,所述第八消息包括以下至少之一信息:终端位置;应用标识;公共陆地移动网络PLMN标识;外部组标识。
- 一种边缘应用服务器EAS的方法,由第四网络功能执行,所述方法包括:接收第二网络功能发送的第六消息,用于请求获得EAS信息;和/或,向第六网络功能发送第十消息,用于请求获得EAS信息。
- 根据权利要求31所述的方法,所述方法还包括:接收所述第六网络功能发送的第十一消息;所述第十一消息中包括EAS 信息。
- 根据权利要求31所述的方法,所述方法还包括:向所述第二网络功能NEF1发送所述第七消息,所述第七消息中包括EAS信息。
- 根据权利要求31所述的方法,其中,所述第六消息和所述第十消息中分别包括以下信息中的至少之一:终端位置;应用标识;公共陆地移动网络PLMN标识;外部组标识。
- 根据权利要求32所述的方法,其中,所述第十一消息中还包括以下至少之一信息:EAS IP地址;EAS完整域名FQDN。
- 一种边缘应用服务器EAS的发现方法,由第六网络功能执行,所述方法包括:接收第四网络功能发送的第十消息,用于请求获得EAS信息;和/或,根据所述第十消息,获得EAS信息。
- 根据权利要求36所述的方法,所述方法还包括:向所述第四网络功能发送第十一消息,所述第十一消息中包括EAS信息。
- 根据权利要求36所述的方法,其中,根据所述第十消息,获得EAS信息,包括:根据所述第十消息,通过第七网络功能向DNS服务器进行DNS查询后,获得所述EAS信息。
- 根据权利要求38所述的方法,所述方法还包括:所述第六网络功能根据第三信息,确定所述DNS服务器。
- 根据权利要求39所述的方法,其中,所述第三信息包括以下至少之一:终端位置;应用表示;外部组标识;EDI信息。
- 根据权利要求36所述的方法,其中,所述第十消息包括以下至少之一:终端位置;应用标识;公共陆地移动网络PLMN标识;外部组标识。
- 一种边缘应用服务器EAS的发现方法,由第五网络功能执行,所述方法包括:接收第二网络功能发送的第八消息;和/或,向所述第二网络功能发送第九消息。
- 根据权利要求42所述的方法,其中,所述第九消息中包括第四网络功能的地址信息。
- 根据权利要求42所述的方法,其中,所述第八消息中包括以下至少之一:终端位置;应用标识;公共陆地移动网络PLMN标识;外部组标识。
- 一种边缘应用服务器EAS的发现方法,由第一网络功能执行,所述方法包括:在EAS查找或EAS重定位过程中,基于第一信息,向终端发送重选网指示信息。
- 根据权利要求45所述的方法,其中,在EAS查找过程,所述方法还包括:接收第二网络功能发送的第一消息。
- 根据权利要求46所述的方法,其中,在EAS查找过程,所述方法还 包括:所述第二网络功能接收第二消息,将所述第二消息与第一规则匹配,向所述第一网络功能发送所述第一消息。
- 根据权利要求46所述的方法,其中,在EAS查找过程,第一网络功能基于第一信息,向终端发送重选网指示信息,包括:第一网络功能接收所述第一消息后,基于第一信息,向终端发送重选网指示信息。
- 根据权利要求47所述的方法,其中,所述第一规则包括以下至少之一:根据所述终端的位置,第一网络不提供边缘应用服务;所述第二消息的请求应用为联合应用,第二网络提供边缘应用服务。
- 根据权利要求45所述的方法,其中,在EAS重定位过程中,基于第一信息,向终端发送重选网指示信息在EAS重定位过程中,满足第二规则的条件下,基于第一信息,向终端发送重选网指示信息。
- 根据权利要求50所述的方法,其中,所述第二规则包括以下至少之一:AF触发EAS重定向;终端移动。
- 根据权利要求45所述的方法,所述方法还包括:基于第一信息,对网络列表进行筛选,选择EAS。
- 根据权利要求45或52所述的方法,其中,所述第一信息包括以下至少之一:联邦信息;终端的联邦能力标识;服务网络;运营商的延迟latency列表。
- 根据权利要求53所述的方法,所述方法还包括:在终端的PDU会话建立过程中获取所述服务网络和/或所述联邦能力标 识。
- 根据权利要求53所述的方法,所述方法还包括:所述第一网络功能接收第三网络功能通过第三消息发送的所述联邦信息。
- 根据权利要求55所述的方法,其中,所述联邦信息包括以下至少之一:应用标识;DNAI;公共陆地移动网络PLMN标识;延迟信息latency;支持的接入方式。
- 根据权利要求55所述的方法,其中,所述联邦信息由AF提供至所述第二网络功能。
- 一种边缘应用服务器EAS的发现方法,由终端执行,所述方法包括:在EAS查找或EAS重定位过程中,接收第一网络功能发送的重选网指示信息。
- 根据权利要求58所述的方法,所述方法还包括:在所述重选网指示信息所指示的网络建立PDU会话,并执行EAS访问。
- 一种网络设备,所述网络设备为第一网络功能,包括收发机,用于:向第二网络功能发送第一消息。
- 一种网络设备,所述网络设备为第二网络功能,包括收发机,用于:接收第一网络功能发送的第一消息;和/或,获得第四网络功能的地址信息;和/或,向所述第四网络功能发送第六消息,用于请求获得EAS信息。
- 一种网络设备,所述网络设备为第四网络功能,包括收发机,用于:接收第二网络功能发送的第六消息,用于请求获得EAS信息;和/或,向第六网络功能发送第十消息,用于请求获得EAS信息。
- 一种网络设备,所述网络设备为第六网络功能,包括收发机,用于:接收第四网络功能发送的第十消息,用于请求获得EAS信息;和/或,根据所述第十消息,获得EAS信息。
- 一种网络设备,所述网络设备为第五网络功能,包括收发机,用于:接收第二网络功能发送的第八消息;和/或,向所述第二网络功能发送第九消息。
- 一种网络设备,所述网络设备为第一网络功能,包括收发机,用于:在EAS查找或EAS重定位过程中,基于第一信息,向终端发送重选网指示信息。
- 一种终端,包括收发机,用于:在EAS查找或EAS重定位过程中,接收第一网络功能发送的重选网指示信息。
- 一种边缘应用服务器EAS的发现装置,应用于第一网络功能,所述装置包括:第一收发单元,用于向第二网络功能发送第一消息。
- 一种边缘应用服务器EAS的发现装置,应用于第二网络功能,所述装置包括:第二收发单元,用于接收第一网络功能发送的第一消息;和/或,获得第四网络功能的地址信息;和/或,向所述第四网络功能发送第六消息,用于请求获得EAS信息。
- 一种边缘应用服务器EAS的发现装置,应用于第四网络功能,所述装置包括:第三收发单元,用于接收第二网络功能发送的第六消息,用于请求获得EAS信息;和/或,向第六网络功能发送第十消息,用于请求获得EAS信息。
- 一种边缘应用服务器EAS的发现装置,应用于第六网络功能,所述装置包括:第四收发单元,用于接收第四网络功能发送的第十消息,用于请求获得EAS信息;和/或,根据所述第十消息,获得EAS信息。
- 一种边缘应用服务器EAS的发现装置,应用于第五网络功能,所述装置包括:第五收发单元,用于接收第二网络功能发送的第八消息;和/或,向所述第二网络功能发送第九消息。
- 一种边缘应用服务器EAS的发现装置,应用于第一网络功能,所述装置包括:第一收发单元,用于在EAS查找或EAS重定位过程中,基于第一信息,向终端发送重选网指示信息。
- 一种边缘应用服务器EAS的发现装置,应用于终端,所述装置包括:第二收发单元,用于在EAS查找或EAS重定位过程中,接收第一网络功能发送的重选网指示信息。
- 一种网络设备,包括:收发器、处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令;所述处理器执行所述程序或指令时实现如权利要求1-59任一项所述的发现方法。
- 一种可读存储介质,其上存储有程序或指令,所述程序或指令被处理器执行时实现如权利要求1-59任一项所述的发现方法中的步骤。
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| WO2021236861A1 (en) * | 2020-05-21 | 2021-11-25 | Idac Holdings, Inc. | Discovery, selection and optimal access to edge computing networks |
| CN113840293A (zh) * | 2021-08-18 | 2021-12-24 | 华为技术有限公司 | 获取边缘服务的方法和装置 |
| CN114125808A (zh) * | 2021-11-29 | 2022-03-01 | 中国联合网络通信集团有限公司 | 一种边缘应用服务器的发现方法及装置 |
-
2022
- 2022-03-29 CN CN202210326264.0A patent/CN116939573A/zh active Pending
-
2023
- 2023-03-21 EP EP23777926.9A patent/EP4521790A4/en active Pending
- 2023-03-21 JP JP2024557775A patent/JP2025511089A/ja active Pending
- 2023-03-21 WO PCT/CN2023/082835 patent/WO2023185553A1/zh not_active Ceased
- 2023-03-21 US US18/852,231 patent/US20250212100A1/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021236861A1 (en) * | 2020-05-21 | 2021-11-25 | Idac Holdings, Inc. | Discovery, selection and optimal access to edge computing networks |
| CN113840293A (zh) * | 2021-08-18 | 2021-12-24 | 华为技术有限公司 | 获取边缘服务的方法和装置 |
| CN114125808A (zh) * | 2021-11-29 | 2022-03-01 | 中国联合网络通信集团有限公司 | 一种边缘应用服务器的发现方法及装置 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4521790A4 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025153027A1 (zh) * | 2024-01-19 | 2025-07-24 | 华为技术有限公司 | 通信方法、装置及系统 |
| WO2025187671A1 (ja) * | 2024-03-05 | 2025-09-12 | 三菱電機株式会社 | 通信システム |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116939573A (zh) | 2023-10-24 |
| WO2023185553A9 (zh) | 2024-11-07 |
| US20250212100A1 (en) | 2025-06-26 |
| EP4521790A4 (en) | 2026-01-28 |
| JP2025511089A (ja) | 2025-04-15 |
| EP4521790A1 (en) | 2025-03-12 |
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