We sized the enterprise IT hardware market at $143b in a recent research paper. Now it’s time to look at cloud services – Infrastructure and Platform ‘as a Services’ are alternatives to building and maintaining your own data centre, while Software as a Service is an alternative to running application software within them. The Figure shows the quarterly development of the three cloud service types with a forecast to 2020. The total was worth $94b in the year to the end of June and will grow to be $206b by 2020 and – while the majority of this will be SaaS, there are clearly a shift going on in data centre ownership away from enterprise customers and towards service providers and software companies.
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