Patent ID: 11930423
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. The method according to claim 1, wherein:
the control plane function entity comprises the broadcast multicast service center control plane function entity and the multimedia broadcast multicast system gateway control plane function entity;
determining, by the control plane function entity, the address information of the target user plane function entity based on the correspondence and the service information of the first service comprises:
determining, by the broadcast multicast service center control plane function entity, the address information of the target user plane function entity based on the correspondence and the service information of the first service; and

establishing, by the control plane function entity, the session connection to the target user plane function entity based on the address information of the target user plane function entity comprises:
sending, by the broadcast multicast service center control plane function entity, a session start request to the multimedia broadcast multicast system gateway control plane function entity, wherein the session start request comprises the address information of the target user plane function entity; and
establishing, by the multimedia broadcast multicast system gateway control plane function entity, a session connection to the target user plane function entity based on the address information of the target user plane function entity.