Tag Archives: cloud computing

Green cloud computing, which way to go?

What is the right cloud architecture to create a green and sustainable cloud? Should we consolidate to huge mega data centers or is there another way to go? The analogy Currently data centers are constructed on the intersection of the electrical energy infrastructure and the network (data) infrastructure. Considering the current electrical energy infrastructure, for [...]

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Comparing costs of cloud computing providers

When considering ROI maximization of cloud computing solutions it is crucial to minimize costs of cloud hosting, especially that differences can be very big. Anyone who has tried to compare prices of IaaS providers knows that it is a very tedious task if done manually, since there are different pricing models used, there are subscription [...]

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Cloud Computing – Amazon, Google & Co against HP, IBM & Co

A recent article in the Bloomberg Businessweek titled “ The Cloud: Battle of the Tech Titans” stated that cloud computing will profoundly change the competitive environment around how people and companies purchase computer technology. The new paradigm will be hardware makers like HP, IBM  and Cisco against service companies like Google, Amazon and Microsoft.  According [...]

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A framework for estimating the value of cloud computing

  The second review in our series on cloud computing economics  is on the paper “Do Clouds Compute? A Framework for Estimating the Value of Cloud Computing” by M. Klems et al.  The authors are presenting a framework for comparing the two cases:  Purchase a service from the cloud or buy hardware and set up [...]

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Leveraging the cloud for Green IT

The third paper we want to look at, A. Spellmann et al., “Leveraging the Cloud for Green IT: Predicting the Energy, Cost and Performance of Cloud Computing” (1),  deals with the green aspects of cloud computing. This might not look like a paper contributing very much to cloud computing economics at first fight. This paper [...]

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To cloud or not to cloud as a function of data center utilization

The economics of cloud computing is a topic that is far less trivial than it looks at first sight. Despite cloud computing being one of the big buzzwords in IT these days, literature on cloud computing economics is very rare. We have screened a significant part of the research on cloud computing and selected  three [...]

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First Blog on cloud computing economics

This blog is part of the SITiO European project on cloud computing carried out from September 2009 till September 2011. In this blog we will post our research regarding the economics of cloud computing. We will develop a framework to support decision makers when decision whether to move to the cloud or not. To achieve [...]

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