Abstract: Embodiments of this application disclose a data obtaining method and system, and an apparatus thereof. The method includes: A network data analytics network element determines a data source to which to-be-obtained data belongs; determines, based on first information, an object identifier that is of the data source and that is in an operation, administration, and maintenance OAM system; and sends a first request to the OAM system. The first request includes the object identifier, and the first request is for requesting to obtain the to-be-obtained data. In this manner, a process in which the network data analytics network element obtains data of a managed object from the OAM system can be simplified.

Abstract: This application discloses a communication method and a communications apparatus, and relates to the communications field.

Abstract: A network data analytics method and apparatus are provided. The method includes receiving, by a network repository function network element, a first message from a first device, where the first message is used to discover a network data analytics function network element, and the first message carries a first analytics identifier and first analytics filtering information.

Abstract: One example method includes receiving, by a network slice selection function network element, a first message from a mobility management network element, where the first message includes network slice selection assistance information (NSSAI) subscribed to by a terminal and slice subscription information of n third-party service providers (SPs) corresponding to the NSSAI subscribed to by the terminal, and slice subscription information of a third-party SP comprises a first identifier. The network slice selection function network element can obtain, based on the first identifier, first mapping information corresponding to each third-party SP. The network slice selection function network element can determine allowed NSSAI for the terminal based on the NSSAI subscribed to by the terminal and the first mapping information, where the allowed NSSAI is used to indicate one or more network slices that the terminal is allowed to access in a visited network of the terminal.

Abstract: A metal nuclide-loaded carbon microsphere (CMS), and a preparation method and a use thereof are provided. The preparation method includes: subjecting a metal ion and a small organic molecule to a reaction in an aqueous solution to obtain a complex; allowing a CMS to adsorb the complex; and subjecting the CMS adsorbing the complex to a first treatment. The metal nuclide-loaded CMS prepared by the method can stably exist in an aqueous solution at a temperature of lower than 180° C. and a pressure of lower than 10 MPa and has a metal nuclide dissolution rate of lower than 0.1% in the aqueous solution. After the prepared metal nuclide-loaded CMS is subjected to moist-heat sterilization at 121° C. for 15 min, a radionuclide release rate is still lower than 0.1%, which can significantly reduce the safety risk of the radioactive microsphere product in clinical use.

Abstract: This application relates to the field of communication technologies, and provides a slice access method, apparatus, and system, to reduce a probability that a terminal service fails because a slice that is not suitable for a current to-be-initiated service is matched. The slice access method includes: receiving one or more user route selection policy rules URSP rules from a network apparatus, and performing URSP matching according to the one or more URSP rules. At least one URSP rule in the URSP rules includes indication information, and the indication information indicates to match one or more preset URSP rules or match one or more preset route selection descriptors RSDs. The method is applied to a network slice access procedure.

Abstract: In a traffic control method, a PCF obtains an actual data rate of a target network area in a target network slice, where the actual data rate indicates a sum of data rates occupied by all sessions that have accessed the target network area in the network slice. The PCF then determines an authorized data rate of a first session based on an upper data rate limit and the actual data rate of the target network area, where the authorized data rate indicates a maximum flow bit rate allowed for the first session; and send the authorized data rate to a control network element of the first session.

Abstract: A method, device, and system for ensuring a service level agreement (SLA) of an application, where the method includes: obtaining, by an application function (AF) entity, information about a first network slice instance (NSI) that is in network slice instances between a specified location and a target network and whose SLA support capability meets a subscribed SLA requirement of the application, and sending a notification message including the information about the first NSI, where the notification message includes the information about the first NSI, to establish a new session in the first NSI for a terminal.

Abstract: This application discloses a communication method and apparatus. A first AMF device receives a first request message, where the first request message includes an identifier of a first network slice that a terminal requests to access and an identifier of a tracking area in which the terminal is located. When the first AMF device determines that the tracking area supports the first network slice, the first AMF device sends a response message, where the response message includes a first radio access selection priority index corresponding to the first network slice. The first radio access selection priority index is for selection of an access network device that supports the first network slice at the terminal. Even if an access network device currently accessed by the terminal does not support the first network slice, the terminal may re-access the access network device that supports the first network slice.

Abstract: A slice control method and apparatus are provided. The method includes: a policy control network element receives, from a slice access control network element, slice access status information of a network slice, the slice access status information comprises information indicating a network slice traffic bandwidth of the network slice; determines, based on the current slice access status information of the network slice, that the network slice traffic bandwidth exceeds a corresponding maximum value allowed by configuration; generates, in response to the determination, first session policy control information for a first session in the network slice; and sends the first session policy control information to a session management network element corresponding to the first session, the first session policy control information being for policy control on the first session.

Abstract: A communication method includes that a first network device generates indication information based on service usage of a first network slice and a service usage threshold of the first network slice, and sends the indication information to a second network device. The second network device controls resource pre-emption based on the indication information.

Abstract: Embodiments of this application provide a method for controlling use of a network slice, an apparatus, and a system. The method includes: A first network element receives a first message used to request access of a terminal device to a target network slice. The target network slice covers a plurality of regions including a first region, and the first region is a region in which the terminal device is currently located. Further, the first network element determines, based on a first condition, whether to allow the terminal device to access the target network slice. The first condition includes: whether a service usage of the target network slice in the first region exceeds a first service limit.

Abstract: A method and an apparatus for allocating a resource to a network slice resolves a problem in the current technology that utilization of radio resource utilization cannot be improved. The method includes: sending, by an access network device, a request message to an AMF, where the request message is used to request resource allocation reference information of a network slice group, the resource allocation reference information includes running information of a network slice or running information of the network slice group, and the network slice belongs to the network slice group; after receiving the request message, sending, by the AMF, the resource allocation reference information to the access network device; receiving, by the access network device, the resource allocation reference information from the AMF; and updating, by the access network device, a radio resource of the network slice group based on the resource allocation by reference.

Abstract: A method and apparatus for obtaining management data, where the method includes: a first network element receiving a request message from a second network element, where the request message indicates a tenant identifier and at least one managed object instance, where the tenant identifier corresponds to at least one network slice service identifier; the first network element determining a first managed object instance in the at least one managed object instance based on the network slice service identifier, where the second network element has permission to obtain management data in the first managed object instance; and the first network element obtaining management data corresponding to the network slice service identifier from the first managed object instance.

Abstract: A network slice deployment method and an apparatus, where the method includes: obtaining, by a network slice management function (NSMF) network element, network slice requirement information, where the network slice requirement information includes a service requirement that needs to be implemented by a to-be-deployed network slice instance (NSI); determining a network service deployment (NSD) template and network function information that correspond to the service requirement; and generating a network functions virtualization (NFV) deployment policy for performing network functions virtualization deployment of the NSI.

Abstract: A network data analytics method and apparatus are provided. The method includes receiving, by a network repository function network element, a first message from a first device, where the first message is used to discover a network data analytics function network element, and the first message carries a first analytics identifier and first analytics filtering information.

Abstract: Embodiments of the present invention provide a method, an apparatus, and a system for creating a network slice. The method includes: receiving, by a network slice control function (NSCF) entity, a service deployment command sent by a network slice management function NSMF entity; obtaining, by the NSCF entity, a service-related requirement parameter, a model, a policy, and a plan of a network slice, and registration information of a network function entity based on the service deployment command; generating, by the NSCF entity, a service configuration scheme of the network function entity based on the model and the policy of the network slice and one or more of the service-related requirement parameter, the registration information of the network function entity, and the plan of the network slice; and sending, by the NSCF entity, the service configuration scheme to the network function entity. Therefore, a network slice can be automatically created.

Abstract: One example method includes receiving, by a network slice selection function network element, a first message from a mobility management network element, where the first message includes network slice selection assistance information (NSSAI) subscribed to by a terminal and slice subscription information of n third-party service providers (SPs) corresponding to the NSSAI subscribed to by the terminal, and slice subscription information of a third-party SP comprises a first identifier. The network slice selection function network element can obtain, based on the first identifier, first mapping information corresponding to each third-party SP. The network slice selection function network element can determine allowed NSSAI for the terminal based on the NSSAI subscribed to by the terminal and the first mapping information, where the allowed NSSAI is used to indicate one or more network slices that the terminal is allowed to access in a visited network of the terminal.

Abstract: This application discloses a communication method and a communications apparatus, and relates to the communications field.

Abstract: A method includes: sending, by a first service entity, a first request to a second service entity, where the first service entity is configured to manage a network slice instance, and the second service entity is configured to manage an alarm of a network function instance, where the first request includes identifier information of a VNF instance; the first request is used to request a virtualized resource alarm carrying the identifier information; and there is a correspondence between the VNF instance and a first network slice instance managed by the first service entity; and receiving, by the first service entity, a first response from the second service entity, where the first response carries the virtualized resource alarm.