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    A Topology Aggregation Model for Survivability in Multi-Domain Optical Networks Using p-Cycles

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    Survivability becomes an important issue in optical networks due to the huge bandwidth offered by optical technology. Many works have studied network survivability. The majority of these works are typically destined to single-domain. In this work we address the survivability in multidomain optical networks. This paper provides a classification of the existing protection solutions proposed for multi-domain networks and analyses their advantages and limitations. We propose a new solution for multi-domain optical networks based on p-cycles. For scalability and security reasons, we also propose a topology aggregation model adapted to the p-cycles computation. This aggregation model allows our proposed solution to find a trade-off between two competing goals: efficient use of backup resources and small running time. Simulation results show that the proposed solution is a good trade-off between resource utilization and running time compared to the existing solutions.

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    Description

    Title : A Topology Aggregation Model for Survivability in Multi-Domain Optical Networks Using p-Cycles
    Author(s) : Hamza Drid, Samer Lahoud, Bernard Cousin, Miklos Molnar
    Abstract : Survivability becomes an important issue in optical networks due to the huge bandwidth offered by optical technology. Many works have studied network survivability. The majority of these works are typically destined to single-domain. In this work we address the survivability in multidomain optical networks. This paper provides a classification of the existing protection solutions proposed for multi-domain networks and analyses their advantages and limitations. We propose a new solution for multi-domain optical networks based on p-cycles. For scalability and security reasons, we also propose a topology aggregation model adapted to the p-cycles computation. This aggregation model allows our proposed solution to find a trade-off between two competing goals: efficient use of backup resources and small running time. Simulation results show that the proposed solution is a good trade-off between resource utilization and running time compared to the existing solutions.
    Keywords : multi domain, gregation, optical network, p cycle, survivability, topology ag

    Subject : unspecified
    Area : Other
    Language : English
    Year : 2009

    Affiliations University of Rennes 1
    Journal : 2009 Sixth IFIP International Conference on Network and Parallel
    Publisher : Ieee
    Pages : 211-218
    Url : http://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=5328489
    Doi : 10.1109/NPC.2009.21

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