Static-Traffic Routing and Wavelength Assignment in Transparent WDM Networks Using Genetic Algorithm


In order to transmit data efficiently over an optical network, many routing and wavelength assignment (RWA) algorithms have been proposed. This work presents a genetic algorithm that aims at solving the RWA problem, which consists of choosing the most suitable lightpath (i.e., a combination of a route and a wavelength channel) between a source-destination pair of nodes in all-optical networks. A comparison to some already known approaches in terms of blocking probability per load over four network topologies was made. Simulation results show a good performance, since the average blocking probability achieved by the proposed genetic algorithm was relatively equivalent to the values yielded by the standard approaches over two network topologies; and way lower on the other two networks.

In Proceedings of the 10th Latin America Networking Conference (LANC’18)