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Issue title: Network Analysis in Natural Sciences and Engineering
Article type: Research Article
Authors: Marković, Goran Z. | Teodorović, Dušan B. | Aćimović-Raspopović, Vladanka S.
Affiliations: University of Belgrade, Faculty of Transport and Traffic Engineering, Serbia
Note: [] Corresponding author: Dušan B. Teodorović, University of Belgrade, Faculty of Transport and Traffic Engineering, 11000 Belgrade, Vojvode Stepe 305, Serbia. E-mail: duteodor@vt.edu
Abstract: Routing and Wavelength Assignment (RWA) problem in all-optical networks assumes determining the routes and wavelengths to be used to create the lightpaths for connection requests. The RWA problem belongs to a class of difficult combinatorial optimization problems. We propose the Bee Colony Optimization (BCO) heuristic algorithm tailored for the RWA problem (BCO–RWA) in all-optical networks without wavelength conversion in intermediate nodes. The BCO represents a new metaheuristic capable to solve difficult combinatorial optimization problems. The artificial bee colony behaves partially alike, and partially differently from bee colonies in nature. The proposed BCO–RWA algorithm has been performed for static case in which lightpath requests are known in advance. We proved that BCO–RWA is able to produce optimal or near-optimal solutions in a reasonable amount of computer time.
Keywords: Bee colony optimization, lightpaths, metaheuristic, optical networks, routing and wavelength assignment
Journal: AI Communications, vol. 20, no. 4, pp. 273-285, 2007
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