Andreas Berl
ABSTRACT
The energy efficiency of information and communication technology becomes more and more important due to the raise of energy costs and the world wide desire to reduce CO2 emissions. Data centers have been in the focus concerning their energy efficiency lately, however, also office hosts that are located outside of data centres consume huge amounts of energy (e.g., in public administration or companies). Such office environments promise a high potential in terms of energy savings -- a significant number of hosts remains to be turned on 24 hours per day while being mostly underutilized. This paper investigates the energy consumption in office environments and discusses the potential of energy savings. An energy-efficient office management approach is suggested, based on resource virtualization, power management, and resource sharing. Additionally, the paper evaluates simulation results concerning energy consumption and service provision in the managed office environment. The evaluation indicates that about 75% of energy savings are achievable in office environments without a significant interruption of provided services.
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Index Terms
- A virtualized energy-efficient office environment
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