
Optical Network Performance in Presence of Physical Layer Impairments
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This book highlights the significance of equipping the routing phase of a Physical Layer Impairment-Routing and Wavelength Assignment algorithm with signal quality and delay awareness. It is shown that that for Optical Electrical Optical conversion generated time delay minimization, using all-optical wavelength converters for only wavelength contention resolution is a judicious choice rather than resorting to regenerators and further, there exists a definitive trade-off between the overall network cost and maximum tolerable delay.