公开(公告)号：US11381453B2

公开(公告)日：2022-07-05

申请号：US16927866

申请日：2020-07-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shicheng Wen ,  Shaoji Ni ,  Jidong Zhang ,  Mingsen Tao ,  Yang Shen

IPC: H04L12/24 ,  H04L41/082 ,  H04W8/18 ,  H04W28/02 ,  H04W72/04

Abstract: A software upgrade method and system which relate to the field of communications technologies. The method is applied to an evolved core packet (EPC) system. The EPC system includes a system manager, a traffic decider, a first service server, and a second service server, and the first service server and the second service server are installed with service software of a first version. As a result, service continuity and stability of the EPC system are ensured.