Abstract
We consider a one layer network design problem in the presence of Shared Risk Groups (SRGs). We can define an SRG as a set of links of the logical layer that simultaneously fail in the case of a failure of a lower layer. We propose a mathematical model for the dedicated protection and two alternative models for the shared protection, all based on flow variables. In addition we propose a simple constructive heuristic. We report some computational results that compare the outcome of the models (upper and lower bounds provided by a commercial software) and those of the heuristic.
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© 2011 Springer-Verlag Berlin Heidelberg
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Addis, B., Carello, G., Malucelli, F. (2011). SRG-Disjoint Design with Dedicated and Shared Protection. In: Pahl, J., Reiners, T., Voß, S. (eds) Network Optimization. INOC 2011. Lecture Notes in Computer Science, vol 6701. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-21527-8_3
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DOI: https://doi.org/10.1007/978-3-642-21527-8_3
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-21526-1
Online ISBN: 978-3-642-21527-8
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