Dynamic survivable mapping through reconfiguration in IP over WDM network

被引：0

作者：

ZUO Yong-xia ^{[1
]}

WANG Guo-qiang ^{[1
]}

GUO Bing-li ^{[2
]}

ZUO Chun-cheng ^{[1
]}

机构：

[1] School of Mechanical Science and Engineering, Jilin University

[2] School of Electronics Engineering and Computer Science, Peking University

来源：

The Journal of China Universities of Posts and Telecommunications | 2013年 / 04期

基金：

中国国家自然科学基金;

关键词：

survivable mapping; IP over WDM; resource optimization; logical topology dynamic reconfiguration;

D O I：

暂无

中图分类号：

TN929.1 [光波通信、激光通信];

学科分类号：

0803 ;

摘要：

A new approach for network survivability problem in Internet protocol (IP) over wavelength division multiplexing (WDM) optical network is proposed to enhance the IP layer restorability under physical link failure through logical topology reconfiguration.More specifically, after traffic arrival and departure, reconfiguring the logical topology correspondingly is helpful to minimize the traffic disruption after physical link failure.So, in this paper, this problem is proposed for first time and formulated as an integer linear programming (ILP) problem.And then, two heuristic algorithms are proposed.The performance of proposed algorithms have been evaluated through simulations, and the results show that reconfiguring the logical topology dynamically could achieve more than 20% improvement of the restorability of traffic in IP layer, but with acceptable resource cost.

引用

页码：99 / 105

页数：7

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