Multiple link failure recovery in survivable optical networks

被引：0
|
作者：
Xiaofei Cheng
Xu Shao
Yixin Wang
机构：
[1] Institute for Infocomm Research (IIR),
来源：
Photonic Network Communications | 2007年 / 14卷
关键词：
Survivability; Protection; Greedy algorithm;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Survivability is of critical importance in high-speed optical communication networks. A typical approach to the design of survivable networks is through a protection scheme that pre-determines and reserves backup bandwidth considering single/double link failure scenarios. In this article, a greedy algorithm is presented to reserve backup bandwidth considering multiple (F > 2) link (SRLG) failure scenarios. A bandwidth-saving joint selection scheme of working and protection paths is presented for protection against random multiple-link failures under dynamic traffic. Simulation shows that the algorithm can achieve maximum sharing of backup bandwidth for protection against random multiple-link failure with significant amount of bandwidth saving.
引用
收藏
页码：159 / 164
页数：5
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