Patent ID: 11968743
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A communication method comprising:
receiving, by an access device, from a first mobility management entity, and before the first mobility management entity serves a first terminal, first indication information, wherein the first indication information comprises a first group identifier and information about a second mobility management entity, wherein the first indication information indicates that when a failure occurs in the first mobility management entity, terminals corresponding to the first group identifier are to be served by the second mobility management entity;
receiving, by the access device and from the first terminal, the first group identifier;
sending, by the access device, to the second mobility management entity, based on the first group identifier, and when the failure occurs, a message related to the first terminal; and
receiving, by the second mobility management entity and from the access device, the message.