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In this paper we propose a class-based protection algorithm providing fast service recovery in WDM networks in case of a simultaneous failure of two network elements. We focus on providing various levels of service survivability in order to correspond to differentiated requirements of end-users. We show that assuring the service survivability in case of a double failure requires up to 40% more total...
The powerpoint presentation discussed the issue of backup lightpath capacity sharing in optical WDM networks with limited wavelength conversion capability, the problem of the introduced a posteriori backup path sharing approach, the ILP model and the efficient heuristic algorithm, and the advantage of CPLEX modeling over FSR-SP-LWC algorithm that would achieved up to 50% values of recovery time compared...
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