"As energy prices soar, and governments and organisations start to sweat over their carbon footprint, the energy consumption of the internet is coming under scrutiny.
US academics and researchers from companies Intel and Microsoft are developing strategies to cut the consumption of computer-network hardware.
While most personal computers adjust how much energy they use depending on their workload, and shut down when unused, network hardware does not.
The servers, routers and other components of networks are designed to cope with much larger amounts of data than they do day-to-day, and use roughly the same amount of energy whether idle or busy.
But subtly tweaking the flow of network traffic to allow routers and servers to work less hard, or spend more time "sleeping" in a resting state could make dramatic savings."
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