Patent ID: 11864075
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 11:
12. A control plane device, comprising:
at least one processor coupled to a non-transitory computer computer-readable storage medium storing instructions, wherein when the instructions are executed by the at least one processor, the control plane device is caused to:
when a second user equipment (UE) switches from a second user plane device to a third user plane device, generate a first updated session context record, wherein an Internet Protocol (IP) address of the second UE remains unchanged when the second UE switches from the second user plane device to the third user plane device; and
send the first updated session context record to a first user plane device serving a first UE, wherein sending the first updated session context record to the first user plane device causes an identifier of the second user plane device associated with the IP address of the second UE in a first context record on the first user plane device to be updated with an identifier of the third user plane device, and wherein the first context record is used for sending, to the third user plane device, a first data packet to a second UE from the first UE.