Abstract

This work presents the blocking performance of the individual node with (full or limited) wavelength conversion in wavelength routed optical networks (WRON) based on the theory of probability. And a blocking probability model is proposed. Particularly, we pay more attention to investigate wavelength routing node performance improvement by using more feasible limited wavelength conversion. Based on our analytical model, we calculate the blocking probability for individual wavelength routing node and then make a simulation to validate it. It is seen that the node with low conversion degrees has small number of fiber link ports and large number of wavelength per link is more realistic choice.

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