Grasp Embedded Scatter Search for the Multicommodity Capacitated Network Design Problem

Authors:
Ada M. Alvarez;José Luis González-Velarde;Karim De-Alba
Affiliations:
Facultad de Ingeniería Mecánica y Eléctrica, Universidad Autónoma de Nuevo León, Monterrey, México;Instituto Tecnológico y de Estudios Superiores de Monterrey, Monterrey, México;Facultad de Ingeniería Mecánica y Eléctrica, Universidad Autónoma de Nuevo León, Monterrey, México
Venue:
Journal of Heuristics
Year:
2005

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Abstract

A GRASP embedded Scatter Search is developed for the multicommodity capacitated network design problem. Difficulty for this problem arises from the fact that selection of the optimal network design is an NP-complete combinatorial problem. There exist no polynomial exact algorithms which can solve this problem in a reasonable period of time for realistically sized instances. In such cases, heuristic procedures are commonly used. Two strategies were designed for GRASP: a traditional approach and a memory based technique. As for Scatter Search, 5 different strategies were used to update the reference set. Computational results on a large set of randomly generated instances show the convenience of the proposed procedures.