Blocking models of optical burst switches with shared wavelength converters: exact formulations and analytical approximations |
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| Authors: | Pedro Reviriego Anna Maria Guidotti Carla Raffaelli Javier Aracil |
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| Affiliation: | (1) Universidad Antonio de Nebrija, Madrid, Spain;(2) D.E.I.S.-University of Bologna, Bologna, Italy;(3) Universidad Autónoma de Madrid, Campus de Cantoblanco, Madrid, Spain |
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| Abstract: | Loss modeling of asynchronous optical burst switches with shared wavelength converters is considered. An exact analysis based
on continuous time Markov chains is proposed and validated by comparison with simulation for balanced and unbalanced traffic.
A computationally efficient approximated analysis is also proposed and compared with the exact model to find applicability
conditions. Approximate loss performance evaluation is presented for ranges of values which are not tractable either by simulation
or exact analysis.
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| Keywords: | Switching OBS Blocking WDM |
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