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Hierarchical Survivable Network Design Problems

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<mark>Journal publication date</mark>1/06/2016
<mark>Journal</mark>Electronic Notes in Discrete Mathematics
Volume52
Number of pages8
Pages (from-to)229-236
Publication statusPublished
Early online date20/05/16
Original languageEnglish

Abstract

We address the problem of designing two-level networks protected against single edge failures. A set of nodes must be partitioned into terminals and hubs, hubs must be connected through a backbone network, and terminals must be assigned to hubs and connected to them through access networks, being the objective to minimize the total cost. We consider two survivable structures, two-edge connected (2EC) networks and rings, in both levels of the network. We present an integer programming formulation for these problems, solve them using a branch-and-cut algorithm, and show some computational results.