Alternate Paths for Multiple Fault Tolerance on Dynamic WDM Optical Networks

Abstract : This paper proposes a new method to compute alternate routes for multiple fault tolerance on Dynamic WDM Optical Networks. The method allows to obtain all the paths that replace the primary routes affected by one or several failures. Additional paths, called secondary routes, are used to keep each user connected to the network, including cases where multiple simultaneous link failures occur. The method also allows to obtain the number of wavelengths in each link of the network, computed such that the blocking probability of each connection is less than a pre-defined threshold (which is a network design parameter), in spite of the occurrence of k simultaneous link failures, with k ≥ 1. The solution obtained by the new algorithm is significantly more efficient than the result of applying current methods, its implementation is notably simple and its on-line operation is very fast.
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Communication dans un congrès
HPSR 2017 - 18th IEEE International Conference on High Performance Switching and Routing, Jun 2017, Campinas, Brazil. IEEE, High Performance Switching and Routing (HPSR), 2017 IEEE 18th International Conference on, pp.1-6, 〈http://hpsr2017.ieee-hpsr.org/〉. 〈10.1109/HPSR.2017.7968674〉
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Soumis le : jeudi 14 décembre 2017 - 06:03:23
Dernière modification le : jeudi 12 avril 2018 - 01:54:52

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Nicolas Jara, Reinaldo Vallejos, Gerardo Rubino. Alternate Paths for Multiple Fault Tolerance on Dynamic WDM Optical Networks. HPSR 2017 - 18th IEEE International Conference on High Performance Switching and Routing, Jun 2017, Campinas, Brazil. IEEE, High Performance Switching and Routing (HPSR), 2017 IEEE 18th International Conference on, pp.1-6, 〈http://hpsr2017.ieee-hpsr.org/〉. 〈10.1109/HPSR.2017.7968674〉. 〈hal-01663507〉

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