Abstract
Dynamic photonic networks rely on colorless, non-directional
Reconfigurable Optical Add/Drop Multiplexer (ROADM) nodes to enable rapid
re-routing of wavelength channels without optoelectronic conversion. We
report numerical simulations of the wavelength contention that can occur in
such multi-degree ROADM nodes. Intra-node blocking rates and transponder
utilization are computed for node designs with and without a client-side
fiber cross-connect, and both are compared to results predicted for an
ideally contention-free ROADM.
© 2010 IEEE
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