Version 1.0 According to a Ziff-Davis survey of almost 1200 key players in the data center industry, 1 more than two-thirds (71%) of the data center operators/owners identify information technology (IT) power, cooling, or both as the primary issue facing their data center, but 62 % of the respondents reported that neither IT power consumption nor cooling concerns had affected server purchases in the preceding twelve months. One important reason for this lack of response to a broadly perceived problem is that no standard method exists for manufacturers to measure and report server efficiency. Each manufacturer has its own way of measuring energy use associated with different performance levels (or doesn’t measure it at all), so that server buyers are unable to easily compare computing and energy performance. This document should help resolve that problem until a formal industry standards process produces more permanent and detailed guidelines. 2 This draft protocol encapsulates recent thinking of a group of researchers and technologists related to measurement of the energy efficiency of servers. This effort grew out of two meetings held on January 31 st, 2006 and March 27 th, 2006 with the support of the U.S. EP
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