Patent ID: 11929851
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. A message sending method, comprising:
obtaining, by a gateway device, identification information of the gateway device, wherein the identification information of the gateway device indicates information about the gateway device, wherein the gateway device fixedly belongs to and is configured to access one network, and wherein the identification information further comprises at least one of: a service type of the network accessed by the gateway device, and information about the network to which the gateway device belongs;
sending, by the gateway device, a router advertisement (RA) message directly to a terminal device, wherein the router advertisement message comprises the identification information of the gateway device including the at least one of: the service type of the network accessed by the gateway device and the information about the network to which the gateway device belongs; and
receiving, on the gateway device, directly from the terminal device, a data packet, said data packet further comprising IPv6 prefix information.