How green is IP-telephony?
Salman Baset, Joshua Reich, Jan Janak, Pavel Kasparek, Vishal Misra, Dan Rubenstein, Henning Schulzrinnne · 2010
With constantly increasing costs of energy, we ask ourselves what we can say about the energy efficiency of existing VoIP systems. To answer that question, we gather information about the existing client-server and peer-to-peer VoIP systems, build energy models for these systems, and evaluate their power consumption and relative energy efficiency through analysis and a series of experiments.