These days, cloud computing is simply part of computing. According to the Rightscale 2019 State of the Cloud report, 94 percent of enterprise information technology respondents use cloud computing.
Some 84 percent of enterprise respondents have a multi-cloud strategy. Hybrid cloud is used by 58 percent of enterprises.
Public cloud adoption is 91 percent and private cloud adoption is 72 percent. About 69 percent of respondents use at least one public and one private cloud.
So it should not come as a surprise that the worldwide public cloud services market is forecast to grow 17 percent in 2020 to total $266.4 billion, up from $227.8 billion in 2019, according to Gartner.
Software as a service (SaaS) will remain the largest market segment, which is forecast to grow to $116 billion next year due to the scalability of subscription-based software.
The second-largest market segment is cloud system infrastructure services, or infrastructure as a service (IaaS), which will reach $50 billion in 2020. IaaS is forecast to grow 24 percent year over year, which is the highest growth rate across all market segments.
The notion of “cloud” has been a standard part of computing network diagrams for many decades, denoting computing resources “somewhere else” that are not under the ownership or control of any single enterprise.
Just as specific symbols are used on network diagrams to show the elements of an enterprise network, so the “cloud” symbol simply represents other existing wide area network assets not owned or controlled by an specific end user organization.
Worldwide Public Cloud Service Revenue Forecast (Billions of U.S. Dollars)
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