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Calculating Blocking Probabilities in Single-Hop WDM Traffic Groomed Optical Networks

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3 Author(s)
John S. Vardakas ; WCL, Dept. of Electrical & Computer Engineering, University of Patras, 265 04, Patras, Greece. Email: ; Vassilios G. Vassilakis ; Michael D. Logothetis

Traffic grooming in Wavelength Division Multiplexing (WDM) optical networks is a promising technology for improving the performance and reducing the network cost. We study the blocking performance of a single-hop WDM traffic groomed optical network, by considering that different connections request service through a single optical link. In each connection the generated calls may come from a single or multiple service-classes. For the case of a single service-class we develop a novel analytical loss model to calculate Connection Blocking Probabilities (ConBP) and Call Blocking Probabilities (CBP). Also, we extend this model to support multiple service-classes. The accuracy of the calculations is verified by simulation and found to be absolutely satisfactory.

Published in:

2007 9th International Conference on Transparent Optical Networks  (Volume:4 )

Date of Conference:

1-5 July 2007