Abstract: Embodiments of this application relate to the field of communication technologies, and provide a method for determining an edge configuration server and an apparatus, to select a more proper edge configuration server for a terminal apparatus. The method includes: A core network element determines, based on a mobile network accessed by a terminal apparatus, that an edge configuration server serving the terminal apparatus is a first edge configuration server, where at least one mobile network corresponding to the first edge configuration server includes the mobile network accessed by the terminal apparatus. The core network element sends, to the terminal apparatus, information indicating the first edge configuration server.

Abstract: A handover method and a communication apparatus are provided. The method includes: A target access network device obtains a first message and information used for transmitting multicast data, where the first message is used for requesting to establish a resource for handing over a terminal device to the target access network device. The target access network device sends a second message, where the second message indicates the established resource on the target access network device; receives a first packet from a user plane network element, where the first packet corresponds to the information used for transmitting the multicast data; and sends the first packet to the terminal device. In this way, the terminal device is handed over from a source access network device to the target access network device when the terminal device receives the multicast data.

Abstract: Embodiments of this application provide a communication method and an apparatus. The method includes: A first ECS receives a PLMN identifier from a first device; the first ECS sends first request information to a second ECS based on the PLMN identifier, where the first request information is for requesting information about a second EES that matches the first request information; and the first ECS receives the information about the second EES from the second ECS, where the first device may be a terminal device or a first EES. According to the method and the apparatus in this application, when a terminal device roams and is handed over from a first network to a second network, the terminal device may determine information about a second EES corresponding to the second network.

Abstract: This application provides a context transfer method and a communication apparatus. The method includes: When an edge enabler client context fails to be relocated from a second edge enabler server to a first edge enabler server, a first apparatus sends first information to a first edge application server corresponding to the first edge enabler server, where the first information is used by the first edge application server to subscribe to edge enabler server capability exposure information from the first edge enabler server. In the foregoing technical solution, when an edge enabler client context fails to be transferred, the first apparatus may indicate a target edge application server to subscribe to edge enabler server capability exposure information from a target edge enabler server.

Abstract: This application provides a communication method and an apparatus. The method includes: A terminal device, a serving access network device, a target access network device, a mobility management network element, or a session management network element corresponding to the terminal device, or a session management network element corresponding to a broadcast service may bind the terminal device to the broadcast service and/or activate/deactivate the broadcast service, based on one or more of identification information of the broadcast service, a service area of the broadcast service, a location of the terminal device, or a status of the terminal device, to reuse a unicast resource of the terminal device. In addition, a binding procedure and an activation procedure may be coupled or separately performed.

Abstract: This application provides a communication method and apparatus, relating to the field of communication technologies. In the method, when update of an MBS service area of a service for which a multicast/broadcast session has been established to a first service area fails, an MBS device can also trigger continuation of establishing a multicast/broadcast session for the service, allowing a subsequently established multicast/broadcast session to provide the service for the first service area. In this way, continuity of the service can still be ensured when the update of the MBS service area fails.

Abstract: An application context relocation method and apparatus are provided. One example method includes: receiving first information from an application function entity, where the first information is for indicating to relocate an application context associated with the application function entity; and when an event that triggers relocation of the application context occurs, determining, based on the first information, to relocate the application context.

Abstract: A communication method includes receiving, by a first edge configuration server (ECS), a public land mobile network (PLMN) identifier of a second network from a first device, wherein the first device includes a terminal device or a first edge enabler server (EES). The communication method further includes sending, by the first ECS, first request information to a second ECS based on the PLMN identifier. The communication method further includes receiving, by the first ECS, the information of the second EES from the second ECS. The first request information is useable for requesting information of a second EES. A first network is a home network of the terminal device. The first ECS and the first EES correspond to the first network. The second network is a serving network of the terminal device. The second ECS and the second EES correspond to the second network.

Abstract: Embodiments of the present invention disclose a communication method and apparatus. an example method includes: setting up a first radio bearer for a first terminal device, where the first radio bearer is used to transmit a first service; allocating a first RNTI and a second RNTI to the first terminal device, where the first RNTI is used to schedule a service for the first terminal device, and the second RNTI is used to schedule the first service for a group of terminal devices including the first terminal device; and scheduling a data packet of the first service for the first terminal device on the first radio bearer by using the first RNTI and the second RNTI.

Abstract: This application provides an information transmission method and apparatus, and a storage medium. The method includes: A first server sends first information to a PCF, where the first information is for measuring a communication KPI corresponding to a first device, and the communication KPI includes a communication KPI between a UPF and the first server. The PCF sends a communication indicator measurement policy to an SMF based on the first information. The SMF sends a communication indicator measurement rule to a UPF according to the communication indicator measurement policy, and sends second information to the first server. The second information includes the communication KPI corresponding to the first device, or a parameter for obtaining the communication KPI corresponding to the first device. In this way, the first server may obtain the KPI between the UPF and the first server based on the second information.

Abstract: Example information obtaining methods and apparatus are described. One example method includes receiving information about a first instance of an application and information about a second instance of the application by a first server from a second server and a third server respectively. The first server stores the information about the first instance and the information about the second instance.

Abstract: Embodiments of the present invention disclose a communication method and apparatus. an example method includes: setting up a first radio bearer for a first terminal device, where the first radio bearer is used to transmit a first service; allocating a first RNTI and a second RNTI to the first terminal device, where the first RNTI is used to schedule a service for the first terminal device, and the second RNTI is used to schedule the first service for a group of terminal devices including the first terminal device; and scheduling a data packet of the first service for the first terminal device on the first radio bearer by using the first RNTI and the second RNTI.

Abstract: This application provides a method for obtaining an edge computing service, and a communication system and apparatus, and is applied to the field of communication technologies. The method for obtaining an edge computing service includes: A first EEC sends information about at least one EES to a first EES, where the at least one EES can provide an edge computing service for the first EEC; and the first EEC receives information about at least one EAS from the first EES, where the at least one EAS is associated with the first EES and/or the at least one EES, and the at least one EAS can provide the edge computing service for a first AC. According to the method, the first AC can flexibly obtain the edge computing service.

Abstract: Embodiments of this application disclose a dynamic information obtaining method and a related device thereof, and can be applied to the field of artificial intelligence. In the method, a first enabler server obtains information about an enabler client in a target area of a target client. Also in the method, the first enabler server sends a first message to the enabler client, where the first message is used for the enabler client to report first information. The first information includes local dynamic information of the enabler client, and the first information is used for obtaining dynamic information associated with the target client.

Abstract: This application provides example communication methods and apparatuses. One example method includes receiving, by a first entity, a first request sent by a second entity, where the first request includes a first application programming interface (API) requested by the second entity. It is determined, from pre-stored first API information, that the first API is unavailable, where the first API information includes availability of multiple APIs, and the multiple APIs include the first API. A second request is sent to a network management system to request to instantiate an API provider entity corresponding to the first API. A first response is received from the network management system, where the first response comprises interface information of the first API.

Abstract: The present disclosure relates to network slicing, in particular, in 5G networks systems. The disclosure is concerned with network slice enablement for (vertical) applications. Thus, an entity for inter-operation between a network system and at least one application is provided. The entity provides a request to the network system, for selection and/or adjustment of a network slice instance (NSI) providing one or more services to the at least one application. The request comprises a set of requirements for the at least one application and/or the one or more services. The set of requirements comprises a required configuration or adaption of at least one NSI related parameter. The entity further receives a response to the request from the network system. The response indicates a decision of the network system regarding the selection and/or adjustment of the NSI.

Abstract: This application discloses a method for dynamically triggering instantiation of an edge application server, and an apparatus. The method includes: A first device receives first information, where the first information is for requesting information about an edge application server of a first application, or is for requesting information about a first edge enabler server, where the first edge enabler server is configured to provide information about an edge application server of a first application; and the first device requests, based on the first information, an edge application server management function entity to instantiate the edge application server of the first application. In embodiments of this application, the edge application server is instantiated based on a user requirement, so that dynamic scheduling and flexible use of a resource are improved, and quality of service experience of an edge application is improved.

Abstract: A data transmission method and apparatus, a system, and a storage medium are provided. In the method, a user plane function network element performs transmission through an established unicast user plane connection, and when sending data of a first service to an access network device, the user plane function network element can be configured to send only the data that is of the first service and that is carried in one data flow to improve use efficiency of resources on a core network side. Then, the access network device can send, in a multicast manner through an established unicast channel, the received data of the first service to a group of terminals corresponding to the data of the first service, and does not need to additionally establish a multicast channel and switch to the multicast channel, thereby further reducing data transmission delay.

Abstract: A service continuity event notification method and an apparatus, to provide useful information for an application layer, to help the application layer trigger application context relocation. The method is applicable to an edge enabler server EES. The method includes: receiving a subscription message from a first device, where the subscription message is for requesting to subscribe to a service continuity event notification; and sending a notification message to the first device in response to a condition for the service continuity event notification being satisfied. The EES may be a source EES, and the first device may be a source EAS or EEC. The EES may be a target EES, and the first device may be a target EAS.

Abstract: A communication method and apparatus are provided. A session management function network element receives first information from an edge application server discovery function network element, where the first information comprises internet protocol (IP) address information of N edge application servers (EASs), and N is an integer greater than or equal to 2. The session management function network element determines an EAS IP address information set based on the IP address information of the N EASs, where the EAS IP address information set comprises IP address information of M EASs, the IP address information of the M EASs corresponds to a same data network access identifier (DNAI), and M is an integer less than or equal to N. The session management function network element sends the EAS IP address information set to the edge application server discovery function network element.