Multi-objective design for routing wavelength assignment in WDM networks
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Publication Details
Author list: Leesutthipornchai P., Wattanapongsakorn N., Charnsripinyo C.
Publisher: Hindawi
Publication year: 2009
Start page: 1315
End page: 1320
Number of pages: 6
ISBN: 9780769536873
ISSN: 0146-9428
eISSN: 1745-4557
Languages: English-Great Britain (EN-GB)
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Abstract
In this paper, we consider a multi-objective network design problem with static routing wavelength assignment (RWA) in WDM networks. The design objective is to maximize the number of accepted communication requests (sourcedestination pairs) and to minimize the number of wavelength channel required subject to a limited number of wavelength channels available on each network link and at least 80% of all commodities must be accepted. We consider our MultiObjective WDM network design problem in various cases. The network model is solved using a new and efficient approach called "Genetic Algorithm for Routing and Minimum Degree First Wavelength Assignment (GA-MDF)". We compare our simulation results with those of the traditional approach that is Fixed-Alternate Routing and First-Fit Wavelength Assignment (FAR-FF). The result comparisons show that GA-MDF is superior both in terms of the amount of accepted commodity requests and CPU computation time. ฉ 2009 IEEE.
Keywords
Multi-objective network design, RWA, Wdm optical network
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