TechLines: not all clouds are equal

TechLines: not all clouds are equal

Summary: ZDNet Australia's TechLines: Cloud Control session last week delved into the complex concept of cloud, which has fragmented to encompass different definitions.

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ZDNet Australia's TechLines: Cloud Control session last week delved into the complex concept of cloud, which has fragmented to encompass different definitions.

One such fragmentation is the concept of private versus public cloud.

"I might take this concept of cloud computing, but ... for various reasons I might want to do it inside my organisation," said Glenn Wightwick, director IBM R&D Australia and chief technologist.

"I will instead of having separate servers, IT infrastructure, I'll pull all these resources together and make them available to whoever needs them inside the organisation."

Public cloud can be used with private cloud as a form of spill valve, Wightwick said, to form a hybrid cloud.

"I can combine that with a public cloud because I may not have all the resources I need and sort of spill over and use public cloud resources if I need to."

Then there was also community cloud where groups of organisations could share resources, for example local councils.

"Instead of having their own IT they could share it together and form a community cloud and deliver it effectively to all of their organisations," he said.

Gianpaolo Carraro, director Microsoft developer and platform evangelism, said which type of cloud an organisation chooses depends on the cost and control equilibrium it wants to adopt.

"If you have [your data] locally in private cloud you have a higher level of control, but usually you will have a higher level of cost," he said.

Watch the video to also see Wightwick's breakdown of infrastructure-as-a-service, platform-as-a-service, software-as-a-service and business-process-as-a-service.

Topics: Cloud, IBM, Microsoft, TechLines

Suzanne Tindal

About Suzanne Tindal

Suzanne Tindal cut her teeth at ZDNet.com.au as the site's telecommunications reporter, a role that saw her break some of the biggest stories associated with the National Broadband Network process. She then turned her attention to all matters in government and corporate ICT circles. Now she's taking on the whole gamut as news editor for the site.

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