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:
Aug. 22, 2023
Filed:
Jul. 02, 2022
Huawei Technologies Co., Ltd., Guangdong, CN;
Dayong Guo, Beijing, CN;
Hongtao Guo, Beijing, CN;
HUAWEI TECHNOLOGIES CO., LTD., Guangdong, CN;
Abstract
Embodiments of the present disclosure provide a hot standby method, apparatus, and system. The method includes: saving, by an active device, first user information of the active device into a local cache module of the active device and sending, by the active device, the first user information to a remote cache module of a first standby device based on preset correlation information. In response to detecting that the active device becomes faulty, the first standby device obtains the first user information from the remote cache module of the first standby device and restores the first user information.