US 12,445,821 B2
Application relocation method and apparatus
Qi Yao, Beijing (CN); and Zaifeng Zong, Nanjing (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD, Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Feb. 10, 2023, as Appl. No. 18/167,476.
Application 18/167,476 is a continuation of application No. PCT/CN2020/111536, filed on Aug. 26, 2020.
Claims priority of application No. PCT/CN2020/108751 (WO), filed on Aug. 12, 2020.
Prior Publication US 2023/0188965 A1, Jun. 15, 2023
Int. Cl. H04W 4/60 (2018.01); H04W 8/00 (2009.01); H04W 36/00 (2009.01); H04W 64/00 (2009.01)
CPC H04W 4/60 (2018.02) [H04W 8/005 (2013.01); H04W 36/0033 (2013.01); H04W 64/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An application relocation method, comprising:
sending, by a source application server (AS), a subscription request to a source enabler server (ES), wherein the subscription request indicates to notify the source AS when the source ES determines that a target AS exists;
receiving, by the source ES, the subscription request;
obtaining, by the source ES, location information of a user equipment (UE), after a user plane path of a protocol data unit (PDU) session of the UE changes;
determining, by the source ES, the target AS based on the location information;
sending, by the source ES, a notification message to the source AS, wherein the notification message indicates that the target AS exists, and wherein the notification message comprises connection information of the target AS;
receiving, by the source AS, the notification message; and
determining, by the source AS, to relocate a context of the UE from the source AS to the target AS.