(Posted by Mona Masghati)
In the emerging business model and technology known as cloud computing, there has been discussion regarding whether a private solution, a cloud-based utility service, or a mix of the two is optimal. My analysis examines the conditions under which dedicated capacity, on-demand capacity, or a hybrid of the two are lowest cost. The analysis applies not just to cloud computing, but also to similar decisions, e.g.: buy a house or rent it; rent a house or stay in a hotel; buy a car or rent it; rent a car or take a taxi; and so forth.
Follow this link to continue: http://cloudonomics.wordpress.com/
Tuesday, December 8, 2009
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Nice analysis. However, in my opinion there are 2 things to consider : a) Most fast-followers address the "peak-to-average problem" by going in for virtualization technologies & b) per-unit costs of captive IT decrease with total capacity (at least in the mid-range). So YMMV. That said, as a rule of thumb, I agree that hybrid clouds are just about the best way of approaching cloud computing (IaaS/PaaS) for most mature IT organizations.
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