Getting a grip on cloud development



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November 1, 2009 —  (Page 1 of 6)
The reliability and safety of cloud computing has become more established, but many organizations are uncertain about how to get started. While cloud computing is a sea change in computing, it is hardly different from evaluating any other new technology.

Adopting cloud services follows a familiar process: finding the appropriate use case and a cloud that meets the requirements, followed by a cost/benefit analysis, pilot projects, and determining the organizational impact of adoption, experts say.

Several experts agreed that the most economical uses for the cloud involve satisfying scenarios when organizations require hardware resources that are not regularly used during daily operations, as well as for doing development and testing. Other uses require more careful consideration.

"The cloud business model that works the best is the burst-out model," said Cameron Bahar, founder and CTO of cloud storage provider ParaScale. Bursting out means buying capacity in the cloud when IT workloads are above peak capacity.

Bahar said that many cloud providers have well-defined APIs for scaling out applications into cloud architecture. "They can use the application in-house, and get the benefit of elasticity and service model once there is a need to scale out on unexpected or seasonal demand," he said.

"When The New York Times has issues to convert to PDFs, it could take thousands of servers and weeks to complete. It is a no-brainer to use a credit card to buy CPU hours and disk bandwidth to do it in a week, and then shut it down when the job is done."

Symphony Services CTO Jerry Smith was skeptical about the cost effectiveness of burst-out usage, a model that has seasonal or episodic variability. "For most customers, the jury is still out. Managers should be asking for more detailed data to build their model, not one built on assumptions and speculation," he said.

He added, though, that it is expensive for many organizations to build extra capacity in a data center.

Customers that use cloud environments for development and testing are either attempting to solve a particular problem or are trying to work better, said Ian Knox, director of product management at Skytap, a company that offers cloud-based IT lab solutions.



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Comments


11/05/2009 05:10:41 PM EST

A good article but I would not agree with the comments: "We find that if you can get nose-to-nose with the CIO and ask for a list of projects that at least one business unit would love to have," but he or she cannot allocate resources toward, you would become a hero within at least one of those units, Coffee said. Getting three projects "off the list" and getting results quickly will inevitably lead to someone else in the company saying, "How can I get some of that?" he added. "It goes from selling cloud internally to allocating opportunities." This assumes that cloud development is easier then normal development which would be a bad assumption not to mention that this assumes the resource is just sitting around so he and or his team could "Get three projects "off the list". I do believe there is a potential cost savings but this confuses the possibilities as the cost savings lie more in the offloading the cost and management of the infrastructure to the cloud. If I have a developer wether he develops for the cloud or internal system the time he will spend will more then likely be the same given a similar app.

United StatesPhillip Avelar


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