DATA PACKET TRANSMISSION METHOD AND RELATED DEVICE

原文（中国語）

Embodiments of this application provide a data packet transmission method and a related device. In this method, a first network element may receive a first data packet of a first service from an application server. The first network element determines first sequence information of a second data packet. Then, the first network element determines a third data packet, and sends the third data packet to a terminal device. The second data packet is a to-be-discarded data packet of the first service, the first sequence information indicates a sequence of the second data packet, and the third data packet includes the first sequence information. Continuity and real-time performance of a service of the terminal device can be improved according to this application.