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:
Jan. 26, 2010
Filed:
Dec. 13, 2006
Wu Qing, Guangdong, CN;
Yuepeng Chen, Guangdong, CN;
Lingyuan Fan, Guangdong, CN;
Dengchao Wu, Guangdong, CN;
Ting Zou, Guangdong, CN;
Wu Qing, Guangdong, CN;
Yuepeng Chen, Guangdong, CN;
Lingyuan Fan, Guangdong, CN;
Dengchao Wu, Guangdong, CN;
Ting Zou, Guangdong, CN;
Huawei Technologies Co., Ltd., Shenzhen, Guangdong, CN;
Abstract
The present invention discloses a method for guaranteeing reliability of end-to-end QoS, including: a. detecting and determining whether there is a failure on a Label Switched Path (LSP); if there isn't, returning to the process of detecting; otherwise, determining whether there is a backup LSP for the failed LSP; if there is, an edge router or a transmit router switching service streams and corresponding resources from the failed LSP to the backup LSP based on a certain policy; otherwise, a resource control function (RCF) entity allocating a new LSP according to network topologies for the service streams born on the failed LSP, and switching the service streams from the failed LSP to the newly allocated LSP, and releasing the path resources formerly occupied by the service streams. The method can guarantee service continuity and reliability of QoS in a bearer network.