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Abstract The IT equipment comprising the Internet in the USA uses about 6 billion of electricity every year. Much of this electricity use is wasted on idle, but fully powered‐up, desktop PCs and network links. We show how to recover a large portion of the wasted electricity with improved power management methods that are focused on network issues. Copyright © 2005 John Wiley & Sons, Ltd.
Gunaratne et al. (Tue,) studied this question.