Abstract
We discuss the problem of designing a telecommunication network with the survivability requirement that the network should be composed of connected rings of links. The network design problem is then to choose links from a given network, and compose them into a number of rings. Furthermore, the rings should be connected at certain transit nodes. The traffic between rings may pass through other rings. Each ring is associated with a certain fixed cost depending on the length of the ring. We describe the problem, modeled as a linear integer programming problem, and a heuristic solution method, based on column generation and Lagrangean relaxation.
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Henningsson, M., Holmberg, K., Rönnqvist, M. et al. Ring Network Design by Lagrangean Based Column Generation. Telecommunication Systems 21, 301–318 (2002). https://doi.org/10.1023/A:1020954800383
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DOI: https://doi.org/10.1023/A:1020954800383