Enterprise IT executives expect 60 percent of workloads will run in the cloud by 2018, according to a new report from 451 Research.

The firm’s survey of more than 1,200 IT buyers worldwide conducted in May and June shows that 41 percent of all enterprise workloads are now running in some type of public or private cloud.

Among the various types of cloud deployment models, enterprises are most likely to use on-premises private cloud and software as a service (SaaS), each accounting for 14 percent of all applications.

The report shows that use of on-premises private cloud will remain flat while SaaS is expected to grow sharply to nearly one-quarter (23 percent) of all enterprise workloads by mid-2018.

For all the attention associated with infrastructure as a service (IaaS), 451 Research says just 6 percent of enterprise workloads are currently running on IaaS, representing a small portion of applications run. However IaaS is likely to see the highest growth, with usage predicted to double to 12 percent of workloads over the next two years.

Also See: 10 ways to protect data in the cloud

“The predicted doubling of IaaS usage is the highest growth expectation for any type of cloud and points to significant revenue potential for vendors in this space,” said Andrew Reichman, research director of 451 Research and lead author of the report.

“Because cloud delivers increasing agility and flexibility to better fit ever-changing business needs, IaaS and SaaS allow organizations to focus their efforts on their business, rather than on maintaining costly and complex data centers and infrastructure,” Reichman said. “If used properly, it has the potential to dramatically improve efficiency and results of business technology usage.”

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