Cloud services can save you money -- if you're careful

Determining whether using the cloud will pay off is an extremely complicated process.

By , Computerworld |  Cloud Computing

The type of workload an organization hopes to move to the cloud will also determine whether the transition makes sense economically. "We have paid close attention to what sort of circumstances make for a successful cloud deployment," the GSA's Coleman says.

For instance, legacy apps that run on unique hardware platforms, apps that are highly transactional so can't tolerate latency and apps with very complex business processes that are specific to an organization may not be appropriate for the cloud, she says. This doesn't necessary exclude all these apps from the cloud, "but it's something to consider very carefully," she explains. In some cases, careful engineering might make shifting these types of workloads to the cloud make sense, she says. But ultimately the performance might not match an in-house installation or the cost could be prohibitive.

Underlying the decision factors is the pressure on IT managers from their bosses, "who are looking at the success of Amazon and saying, 'why can't you take 10% off your budget?'" Domicity's Brien says. At the same time, those IT people don't want to rush into using a cloud service for the wrong reason only to see it cost more or impact their service levels.

All those pressures mean that enterprises are taking it slowly. Larger businesses are still at the stage of "primarily playing around" with the cloud, Brien says, in the process of trying to decide which of their apps make sense there. "They're just moving slowly, doing it bit by bit," he says.

"It's really early days, even though all you ever read about is the cloud," he says. "The overall economics of the cloud are that it will ultimately absorb most machine cycles, but it will not happen as fast as people tend to think it will."

Nancy Gohring is a freelance writer covering cloud computing, mobile phones and wireless networks. Follow her on Twitter ( @ngohring and contact her at ng@ngohring.com.

Read more about cloud computing in Computerworld's Cloud Computing Topic Center.


Originally published on Computerworld |  Click here to read the original story.
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