Title :
Roadmapping ICT: An Absolute Energy Efficiency Metric
Author :
Parker, Michael C. ; Walker, Stuart D.
Author_Institution :
Sch. of Comput. Sci. & Electron. Eng., Univ. of Essex, Colchester, UK
fDate :
8/1/2011 12:00:00 AM
Abstract :
We describe an absolute energy efficiency metric (measured in dBε) that can be universally applied to any ICT system, subsystem and component. It shows what energy efficiency improvements are possible for any data processing/transmission/storage system. The metric´s versatility is also displayed by applying it to biologically based and quantum-level information systems. As an exemplar, we identify ten different and independent approaches, each of which on its own could achieve at least a 50% energy efficiency saving, so as to enable a thousand-fold (i.e., 30 dB) improvement in overall energy efficiency in photonic telecommunications networking.
Keywords :
energy conservation; information networks; information systems; optical fibre networks; quantum communication; absolute energy efficiency metric; data processing-transmission-storage system; photonic telecommunications networking; quantum-level information systems; roadmapping ICT system; subsystem; Bit rate; IP networks; Photonics; Power demand; Temperature measurement; Energy efficiency; Metrology; Optical fiber networks; Telecommunications;
Journal_Title :
Optical Communications and Networking, IEEE/OSA Journal of
DOI :
10.1364/JOCN.3.000A49
