Monitoring-Tree: an Innovative Technique for Failure Localization in WDM Translucent Networks

E. A. Doumith 1, 2 Sawsan Al Zahr 1, 2 M. Gagnaire 1, 2
1 RMS - Réseaux, Mobilité et Services
LTCI - Laboratoire Traitement et Communication de l'Information
Abstract :

Because of the very high optical fiber's capacity, prompt and unambiguous fiber cut detection is mandatory to guarantee carriers' network survivability. In this matter, the monitoring-cycle and the monitoring-trail mechanisms have been proposed in the recent literature. In this paper, we propose the innovative concept of monitoring-tree that enables to reduce considerably the monitoring cost while keeping unambiguous single fiber cut detection and localization. We propose an ILP formulation aiming at mapping a monitoring-tree onto a mesh topology. Applied to real networks, we show that our approach outperforms its counterparts.

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Conference papers
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E. A. Doumith, Sawsan Al Zahr, M. Gagnaire. Monitoring-Tree: an Innovative Technique for Failure Localization in WDM Translucent Networks. IEEE Global Communications Conference, Dec 2010, Miami, United States. ⟨10.1109/GLOCOM.2010.5683219⟩. ⟨hal-01326355⟩

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