Abstract

A genetic algorithm computing multicast trees is proposed in the paper. The quality of the computed multicast tree is characterized by the tree cost, end-to-end delay and inter-destination delay variation. The proposed algorithm is based on a bitstring encoding of selected Steiner nodes and an efficient genotype decoder computing delay-constrained multicast trees. Simulation results show that the proposed genetic algorithm has very good cost performance and it can also yield satisfactory performance regarding end-to-end delay or inter-destination delay variation under conditions typical of multicast scenarios in high-speed networks where the number of destination nodes is small relative to the size of the network.
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