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:
Mar. 20, 2012
Filed:
Apr. 05, 2007
Junbai Sun, Shenzhen, CN;
Xinghua Shi, Shenzhen, CN;
Zihao Zhou, Shenzhen, CN;
Chunhui Chen, Shenzhen, CN;
Xiaowei Zhang, Shenzhen, CN;
Yu Wang, Shenzhen, CN;
Junbai Sun, Shenzhen, CN;
Xinghua Shi, Shenzhen, CN;
Zihao Zhou, Shenzhen, CN;
Chunhui Chen, Shenzhen, CN;
Xiaowei Zhang, Shenzhen, CN;
Yu Wang, Shenzhen, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
The embodiments of the invention provide a method of routing convergence in a control plane of an intelligent optical network, which includes: a function unit perceiving a service link state transmitting an alarm notification message indicating a failure in a service link to a routing protocol unit when the service link is in failure; the routing protocol unit confirming a service link failure in the control plane according to the alarm notification message. The embodiments of the invention also provide an apparatus of routing convergence in a control plane of an intelligent optical network. According to the embodiments of the invention, the establishment of a new service or re-routing may be implemented within several seconds or even hundreds of milliseconds after the service link failure in the control plane occurs.