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Loss models in traffic-groomed WDM all-optical networks | IEEE Conference Publication | IEEE Xplore

Loss models in traffic-groomed WDM all-optical networks


Abstract:

The performance evaluation of wavelength division multiplexing (WDM) all-optical networks becomes an exceptionally important research topic, especially when the traffic g...Show More

Abstract:

The performance evaluation of wavelength division multiplexing (WDM) all-optical networks becomes an exceptionally important research topic, especially when the traffic grooming technique is used. In this paper we develop analytical loss models for calculating route establishment failure probabilities and call blocking probabilities in traffic-groomed WDM networks. We consider both single optical links and mesh all-optical networks with wavelength conversion capabilities. For single links, the proposed models are based on Markov chains and well-established teletraffic models, while, for mesh all-optical networks, they are also based on a reduced load approximation method (RLA). Their recursive nature makes them computationally efficient. In the input process of the models we assume that traffic is originated from service-classes with either infinite or finite traffic-source population. We demonstrate the accuracy of the analytical models by comparing the analytical results with that of the simulation; the results found to be satisfactory.
Date of Conference: 25-25 July 2008
Date Added to IEEE Xplore: 29 August 2008
ISBN Information:
Conference Location: Graz, Austria

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