A backup-reservation-based dynamic wavelength assignment scheme for WSONs

Proposed in this paper is a backup-reservation-based wavelength assignment (BRWA) scheme for wavelength switched optical networks (WSONs). The rationale behind the idea is to reserve a backup lambda in addition to the primary one for a lightpath if the number of the available lambdas can meet certai...

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Hauptverfasser:	Lifang Zhang, Min Zhang, Shengwei Meng, Jiuyu Xie, Yongli Zhao, Xue Chen
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	backup reservation Computer architecture Optical switches PCE Radio frequency Routing Simulation Wavelength assignment WSONs
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creator	Lifang Zhang Min Zhang Shengwei Meng Jiuyu Xie Yongli Zhao Xue Chen
description	Proposed in this paper is a backup-reservation-based wavelength assignment (BRWA) scheme for wavelength switched optical networks (WSONs). The rationale behind the idea is to reserve a backup lambda in addition to the primary one for a lightpath if the number of the available lambdas can meet certain constraints. Therefore a threshold is defined to determine whether to reserve a backup lambda according to the number of the available lambdas. Simulation results show that, by setting a proper value for the threshold, BRWA can reduce the blockings caused by contention efficiently thus performs much better in total blocking probability than the two traditional schemes.
doi_str_mv	10.1109/IPOC.2011.6122853
format	Conference Proceeding
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identifier	ISBN: 1467307130
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subjects	backup reservation Computer architecture Optical switches PCE Radio frequency Routing Simulation Wavelength assignment WSONs
title	A backup-reservation-based dynamic wavelength assignment scheme for WSONs
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