The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 20, 2020
Filed:
Jan. 22, 2019
Huawei Technologies Co., Ltd., Shenzhen, Guangdong, CN;
Aijin Jin, Shenzhen, CN;
Han Zhou, Shanghai, CN;
Jin Zhang, Shanghai, CN;
Zhongping Chen, Shanghai, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, Guangdong, CN;
Abstract
Embodiments of the present disclosure provide an anchor gateway switching method, apparatus, and system. The method includes: determining, by a control plane (CP) device, to switch a source anchor gateway; obtaining, by the CP device, location information of a terminal; determining, by the CP device, a target anchor gateway based on the location information; and sending, by the CP device, a modification request message to an software defined network (SDN) controller, where the modification request message includes an identifier of the terminal and an identifier of the target anchor gateway, the modification request message is used to notify the SDN controller to: update, based on the identifier of the terminal and the identifier of the target anchor gateway, a forwarding flow table corresponding to a downlink packet, and send an updated forwarding flow table to an SDN switch.