Abstract

In anycast communication, connection requests from a source can be routed to one of multiple candidate destinations, thus helping to improve the overall acceptance of service requests in the network when compared with a traditional unicast. In this paper, we develop a new analytical model to compute the network-wide blocking performance for anycast routing and wavelength assignment (ARWA) in wavelength division multiplexed (WDM) optical networks. Specifically, we calculate the blocking using the reduced-load fixed-point approximation analysis on full wavelength convertible and wavelength continuity constrained optical networks. This model is based on conventional queuing theory for loss systems combined with a conditional probability analysis. Performance results show that our model is accurate and is verified by extensive simulation results.

© 2016 Optical Society of America

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