RELIABILITY EVALUATION OF WDM NETWORKS WITH LINK CAPACITY AND HOP CONSTRAINTS

Hehong Fan, Mingde Zhang, Xiaohan Sun

Abstract

A reliability evaluation module is presented for study of WDM network reliability. In this module, WDM networks are assumed to consist of three kinds of network elements - nodes, links and wavelength channel-related elements. And a network performance index – network ‘function value’, was introduced here as a quantitative representation of working-state of WDM network under certain link capacity and hop requirements. In addition, WDM networks here are assumed to be a survivable network, which can operate in a degradative manner against destruction and thus have multiple working-states instead of two opposite states. The reliability evaluation module was used to analyse the reliability of a WDM network with CERNET topology. Simulation results indicate that different link capacity requirement as well as different working-state requirements may lead to different reliability evaluation results, and the differences will enlarge very quickly with the increasing of network element failure rates. This implies that the study of WDM network reliability should be performed under multiple working-states assumption and the addition of the new network element kind - a wavelength channel-related element is necessary.

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Paper Citation


in Harvard Style

Fan H., Zhang M. and Sun X. (2005). RELIABILITY EVALUATION OF WDM NETWORKS WITH LINK CAPACITY AND HOP CONSTRAINTS . In Proceedings of the Second International Conference on e-Business and Telecommunication Networks - Volume 1: ICETE, ISBN 972-8865-32-5, pages 210-215. DOI: 10.5220/0001419902100215


in Bibtex Style

@conference{icete05,
author={Hehong Fan and Mingde Zhang and Xiaohan Sun},
title={RELIABILITY EVALUATION OF WDM NETWORKS WITH LINK CAPACITY AND HOP CONSTRAINTS},
booktitle={Proceedings of the Second International Conference on e-Business and Telecommunication Networks - Volume 1: ICETE,},
year={2005},
pages={210-215},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001419902100215},
isbn={972-8865-32-5},
}


in EndNote Style

TY - CONF
JO - Proceedings of the Second International Conference on e-Business and Telecommunication Networks - Volume 1: ICETE,
TI - RELIABILITY EVALUATION OF WDM NETWORKS WITH LINK CAPACITY AND HOP CONSTRAINTS
SN - 972-8865-32-5
AU - Fan H.
AU - Zhang M.
AU - Sun X.
PY - 2005
SP - 210
EP - 215
DO - 10.5220/0001419902100215