Johan Bäck, J. Pedro, Tobias Schaich, A. Napoli, P. Wright, A. Chase, D. Welch, A. Lord
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Hubbedness: a Metric to Describe Traffic Flows in Optical Networks and an Analysis of its Impact on Efficiency of Point-to-Multipoint Coherent Transceiver Architectures
We propose a new metric called hubbedness to describe traffic flow in modern optical networks. We compare theoretical savings of point-to-multipoint vs point-to-point transceivers and find significant savings for a wide variety of traffic patterns when optical transceivers of sufficiently high data rates are available.