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Using well-established results on nonlinear propagation modeling in coherent optical links, two different approaches for network planning are addressed and compared in terms of performance maximization and robustness to dynamic changes in the network, one based on maximization of the margin in the optical signal-to-noise ratio, the other on minimization of… (More)
We propose techniques to handle potential disruption of active lightpath(s) due to crosstalk introduced by setup of new lightpath. Simulation results suggest that suitable RSVP-TE extensions are sufficient for deployment in real traffic scenarios.