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:
Nov. 06, 2018
Filed:
Nov. 08, 2016
Huawei Technologies Co., Ltd., Shenzhen, CN;
Jianyao Liang, Hangzhou, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A path switching method and a device, including determining, by a controller, an active path and at least one standby path of a data flow, and delivering a flow table to a standby path switch such that after the data flow is switched from the active path to the standby path, the standby path switch forwards the data flow according to the flow table, and delivering, by the controller, a path group table to each failover switch, where the path group table includes an identifier of the active path and standby port information such that when detecting, according to the identifier of the active path, that the active path encounters a failure, each failover switch performs path switching according to the standby port information.