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The Real Cost of a CPU Hour
April 2009 (vol. 42 no. 4)
pp. 35-41
Edward Walker, University of Texas at Austin
IT organizations can now outsource computer hardware by leasing CPU time through cloud computing services. A proposed modeling tool can quantitatively compare the cost of leasing CPU time from these online services to that of purchasing and using a server cluster of equivalent capability.

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Index Terms:
computers and society, e-commerce, management of computing and information systems, economics, cloud computing
Edward Walker, "The Real Cost of a CPU Hour," Computer, vol. 42, no. 4, pp. 35-41, April 2009, doi:10.1109/MC.2009.135
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