CPC H04W 40/12 (2013.01) [H04W 36/12 (2013.01); H04W 68/005 (2013.01); H04W 76/11 (2018.02); H04W 76/12 (2018.02); H04W 88/08 (2013.01)] | 20 Claims |
1. A method comprising:
sending, by a core-network user-plane device through a source path between a source access node (AN) and the core-network user-plane device, a first end marker to the source AN, wherein the first end marker indicates that sending downlink data of a user equipment (UE) on the source path is completed;
receiving, by the source AN, the first end marker;
generating, by the source AN, N second end markers based on the first end marker, wherein N is greater than or equal to 2; and
sending, by the source AN, the N second end markers to a target AN through N forwarding paths,
wherein the N forwarding paths are for forwarding, to the target AN, data of the UE received through the source path.
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