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. 11, 2015
Filed:
Nov. 14, 2011
Ying Xie, Nanjing, CN;
Ying Xie, Nanjing, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A method, an apparatus and a system for two-node cluster hot backup is provided. A second network node configures a redundancy protocol with a first network node at an access port to negotiate an active/standby relationship between each local access port and each access port of the first network node, releases a route of a network segment of a user, where the network segment of the user is the same as a network segment of a user to which a route released by the first network node belongs, establishes or specifies a protection channel with the first network node, synchronizes user information with the first network node, and when the first network node has a failure, performs service switching according to the redundancy protocol, and sends a downstream traffic to the user according to the user information.