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IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, VOL. 24, NO. 12, DECEMBER 2006 69 Wavelength Converter Sharing in Asynchronous
 

Summary: IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, VOL. 24, NO. 12, DECEMBER 2006 69
Wavelength Converter Sharing in Asynchronous
Optical Packet/Burst Switching: An Exact
Blocking Analysis for Markovian Arrivals
Nail Akar, Member, IEEE, Ezhan Karasan, Member, IEEE, and Kaan Dogan, Student Member, IEEE
Abstract-- In this paper, we study the blocking probabili-
ties in a wavelength division multiplexing-based asynchronous
bufferless optical packet/burst switch equipped with a bank of
tuneable wavelength converters dedicated to each output fiber
line. Wavelength converter sharing, also referred to as partial
wavelength conversion, corresponds to the case of a number
of converters shared amongst a larger number of wavelength
channels. In this study, we present a probabilistic framework for
exactly calculating the packet blocking probabilities for optical
packet/burst switching systems utilizing wavelength converter
sharing. In our model, packet arrivals at the optical switch are
first assumed to be Poisson and later generalized to the more
general Markovian arrival process to cope with very general
traffic patterns whereas packet lengths are assumed to be expo-
nentially distributed. As opposed to the existing literature based

  

Source: Akar, Nail - Department of Electrical and Electronics Engineering, Bilkent University

 

Collections: Engineering