Abstract
We propose a novel method to quantify the tolerance of wavelength-routed
optical network designs to inaccuracy in traffic-load forecasts. A comprehensive
study of network tolerance is presented, considering a range of network sizes and
topologies, and traffic levels and nonuniformity. We also assess the effect of
sparse wavelength conversion on network tolerance and compare wavelengthconverter
placement strategies. The number of wavelengths required in static operation of the
network shows a strong correlation with the network tolerance. This finding can be
used to simplify the network design process.
© 2004 Optical Society of America
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