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Shared Risk Resource Groups and Survivability in Multilayer Networks

David Coudert 1 Stéphane Pérennes 1 Hervé Rivano 1 Marie-Emilie Voge 1 
1 MASCOTTE - Algorithms, simulation, combinatorics and optimization for telecommunications
CRISAM - Inria Sophia Antipolis - Méditerranée , Laboratoire I3S - COMRED - COMmunications, Réseaux, systèmes Embarqués et Distribués
Abstract : Failure resilience is a desired feature of the Internet. Most traditional restoration architectures are designed assuming single failure cases, which is not adequate in present day multilayer networks. Multiple link failure models, such as Shared Risk Link Groups (SRLG), Shared Risk Node Groups (SRNG), and more generally Shared Risk Resource Groups (SRRG), are becoming critical in survivable network design. These shared risk models have been unified through the notion of colored graphs. In this paper we provide an efficient MILP formulation for the minimum color path problem which is related to finding a path of maximum reliability in a multilayer network and is thus essential issue of network survivability.
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David Coudert, Stéphane Pérennes, Hervé Rivano, Marie-Emilie Voge. Shared Risk Resource Groups and Survivability in Multilayer Networks. International Conference on Transparent Optical Networks (ICTON), Jun 2006, Nottingham, United Kingdom. pp.235 - 238, ⟨10.1109/ICTON.2006.248442⟩. ⟨inria-00429170⟩



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