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- Article name
- Using PUE as data centers energy efficiency metrics
- Authors
- OGANESYAN E. S., , 2master@rambler.ru, Institute of Chemistry and Problems of Sustainable Development D. Mendeleev University of Chemical Technology of Russia, Moscow, Russia
- Keywords
- data centers / energy efficiency / PUE / CUE / DCiE / xUE / information and communication technologies
- Year
- 2014 Issue 2 Pages 77 - 82
- Code EDN
- Code DOI
- Abstract
- Considers the effect of information technologies and activity data centers on the state of the environment. World number of data centers increases, amount of electricity consumed also grows. Power Usage Effectiveness offered in 2008 as efficiency index for data centers is widely used but there is no common approach for calculating PUE so its values can differ. As a result the index becomes less informative, different sites PUE direct comparison becomes impossible. Also is allows manipulation for achieving desired PUE value without any enhancements in energy efficiency. This article describes PUE and derived indices features and offers rules to unify calculation approaches and provide possibility of PUE direct comparison. The role of other datacenter indices and direct energy consumption measurements is also analyzed.
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