BibTeX
@MISC{Ching-Fong01anonline,
author = {Xun Su Ching-Fong},
title = {An online distributed protection algorithm for WDM networks},
year = {2001}
}
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Abstract
Failure protection and restoration is gaining significance as high capacity optical networks become increasingly ubiquitous. An important design issue that faces the network operator, lies in utilizing the wavelength sharing potential presented by non-concurrent failure events. In this study we propose a novel link metric and a set of routing algorithms that aim to maximally exploits these sharing opportunities. With the introduction of the light-weight aggregated link metrics termed "buckets", we provide guidance to construct the protection routes with minimal wavelength consumption. We show by simulations that our scheme significantly improves upon the baseline mechanism that lacks the proposed intelligence. We also extend the solution to a generic node-based approach, and show that further performance gain can be achieved by improving upon the way one applies our algorithms.
Keyphrases
protection algorithm wdm network novel link high capacity optical network failure protection network operator important design issue generic node-based approach non-concurrent failure event baseline mechanism light-weight aggregated link metric performance gain minimal wavelength consumption
