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One limitation of a WDM all-optical network is the wavelength continuity constraint imposed by the all-optical cross-connect switches which do not allow a circuit to be placed on a non wavelength-continuous route. This constraint leads to inefficient utilization of wavelength channels and results in higher blocking probability. Rerouting is an effective approach that can increase the efficiency. In...
In this paper, we propose a novel lightpath rerouting algorithm to optimize network resources allocation in WDM all-optical networks in order to set up an incoming lightpath demand to be blocked for lack of resources or due to the absence of a suitable path and a suitable wavelength that meet the minimum Quality of Transmission (QoT) requirements. Indeed, in such networks, transmitted optical signal...
This paper considers rerouting and minimization of incurred disruption due to rerouting in all-optical wavelength division multiplexed (WDM) network with dynamic (random) traffic arrivals and departures. One limitation of such a network is the wavelength continuity constraint imposed by the all-optical cross-connect switches which do not allow a circuit to be placed on a non wavelength-continuous...
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