Abstract
AbstractInformation technology (IT) equipment is considered to be one of the major power consumption components in data centers. It is mainly composed of the server, the network component and the power distribution component, among which the most important component is server. Based on the problems that the existing modeling methods have low precision and mainly used for the same type servers, a cubic polynomial IT equipment model (CPIT) is proposed. Three evaluation indicators are used to compare the precision and error of different server models based on real data, and results show the superiority of the server modeling. Finally, the proposed CPIT and the existing models are compared and analyzed in a real data center, which validates the accuracy of the CPIT and it also shows the rationality to represent data center IT equipment power consumption.KeywordsData centerPower consumption modelingEnergy efficiencySPECpower_ssj2008
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