Statistics and facts about Infrastructure as a Service (IaaS)
Alongside Software as a Service (SaaS) and Platform as a Service (PaaS), Infrastructure as a Service (IaaS) is one of the core service models of cloud computing. Under the Infrastructure as a Service model, customers (often enterprises rather than individuals) are permitted to provision and access virtualized hardware and resources - such as servers, networks, storage, or virtual machines. The customer does not hold the responsibility for maintaining or developing those resources, but instead is free to focus on managing the higher level resources, such as the platform or operating system and the necessary software. In this way, customers can pay only for what they consume, while providers are also free to sell unused resources, leading to substantial opportunity for cost-savings and efficiency gains for both sides.
In the Infrastructure as a Service market, the largest companies by revenue are currently Amazon, through its Web Services offering; Microsoft, with Azure; Google, via its Compute Engine; and IBM, with its SmartCloud Enterprise. However, while Amazon is currently the largest vendor of cloud infrastructure by some margin, its hold over the market may lessen as Google and Microsoft make headway, and surveys suggest there are plenty of other companies fighting for a piece of the cloud infrastructure market.
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In the following 4 chapters, you will quickly find the 27 most important statistics relating to "Cloud Infrastructure as a Service (IaaS)".