Amazon dominates public IaaS and ahead in PaaS; IBM leads in private cloud, says Synergy Research

New third quarter data from Synergy Research Group shows that Amazon Web Services (AWS) still has a 45% share of the worldwide public IaaS market, despite Microsoft and Google having much higher growth rates. Amazon remains more than twice the size of the next three public IaaS providers combined. Competition is tighter in the public PaaS market but Amazon still has a big lead over Salesforce, Microsoft and IBM. In the managed private cloud segment IBM is the market leader, followed by Amazon, Rackspace and NTT. In aggregate the big four cloud providers - Amazon, Microsoft, IBM and Google - continue to control well over half of the worldwide market and all continue to grow their market share.

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via Yuichun