The second reason for building the open cloud centers around the same motivators that bring enterprises to the cloud in the first place: cost efficiency, range of service delivery options, reduced overhead and better asset utilization.

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He did report that surveys by McKinsey and Gartner have found utilization at data centers runs in the 6 to 12 percent range.

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Utilization rates remain in the mid-to-high 90% range.

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