On the Energy Consumption of IP-Over-WDM Architectures

Provided by: Politecnico di Bari
Topic: Mobility
Format: PDF
Today's "Green thrust" has been completely steering the evolution of the people society. Therefore, since enhancements on telecommunication networks are expected to cope with the growth of traffic demand, energy consumption is becoming a crucial design metric. In this paper, the authors focus on IP over Wavelength Division Multiplexing (IPoWDM) optical network architectures, where optical circuits (or lightpaths) interconnect IP routers. Various implementations of IPoWDM networks are possible, e.g., transparent, translucent or opaque each accounting different routing and switching constraints, in order to evolve from the classic IPoWDM approach, where only signal transmission is performed optically.

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