Behaviors of Active Lightpath Restoration in All-Optical Networks with and without Wavelength Converters

Survivability is the ability of the network to continue operating in the event of failure. Lightpath restoration is a cost efficient approach to guaranteeing certain degree of survivability in WDM optical networks and active restoration (AR) is a novel lightpath restoration scheme proposed recently....

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Main Authors: Azim, M.M.A., Xiaohong Jiang, Pin-Han Ho, Horiguchi, S.
Format: Conference Proceeding
Language:English
Subjects:
All-optical networks
Analytical models
Circuit simulation
Information science
Intelligent networks
Optical fiber networks
Optical wavelength conversion
Protection
Wavelength division multiplexing
WDM networks
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Xiaohong Jiang
Pin-Han Ho
Horiguchi, S.
description Survivability is the ability of the network to continue operating in the event of failure. Lightpath restoration is a cost efficient approach to guaranteeing certain degree of survivability in WDM optical networks and active restoration (AR) is a novel lightpath restoration scheme proposed recently. In this paper, we study the performance of AR. In particular, we develop analytical models for approximating the restoration probability for circuit-switched WDM networks employing AR scheme. Extensive simulations have been conducted to verify the proposed models. The simulation results show clearly that our models are quite efficient for approximating the restoration probability for WDM networks employing active restoration
doi_str_mv 10.1109/APCC.2005.1554201
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source IEEE Xplore All Conference Series
subjects All-optical networks
Analytical models
Circuit simulation
Information science
Intelligent networks
Optical fiber networks
Optical wavelength conversion
Protection
Wavelength division multiplexing
WDM networks
title Behaviors of Active Lightpath Restoration in All-Optical Networks with and without Wavelength Converters
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