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Photon Netw Commun DOI 10.1007/s11107-008-0118-1

Summary: Photon Netw Commun
DOI 10.1007/s11107-008-0118-1
Blocking models of optical burst switches with shared wavelength
converters: exact formulations and analytical approximations
Pedro Reviriego · Anna Maria Guidotti ·
Carla Raffaelli · Javier Aracil
Received: 1 October 2007 / Accepted: 27 February 2008
© Springer Science+Business Media, LLC 2008
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. Approxi-
mate loss performance evaluation is presented for ranges of
values which are not tractable either by simulation or exact
Keywords Switching · OBS · Blocking · WDM
1 Introduction


Source: Rico, Javier Aracil - Departamento de Ingeniería Informática, Universidad Autonoma de Madrid


Collections: Computer Technologies and Information Sciences