Abstract
In Europe, ICT equipment and services account for 2.5%-4% for EU's carbon emissions. According to the Smart2020 report by the Global e-Sustainability Initiative, GeSI (2008), the ICT sector's emissions are expected to increase, from 0.53 billion tonnes (Gt) carbon dioxide equivalent (CO2e) in 2002 to 1.43 GtCO2e in 2020 (in Business As Usual, BAU, scenario). Thus, energy efficiency is a key research area especially in the digital world. The aim of this research is to monitor the hardware and software utilization of processor and to determine its efficiency. In this research, the energy utilization of a server has been observed using SNMPv3 and ways to improve the energy efficiency have been suggested based on the data collected. The power consumption of the system varies with different loads on the host application. Additionally, data is extracted about the CPU state of the server. This allows for a more rigorous comparative analysis and results show that energy efficiency can be improved under different circumstances which will be discussed in this paper.
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