The three layers of cloud

Grazed from ITWeb. Author: Joanne Carew.

Two to three years ago, if you asked most people about cloud computing, only a few would have described it as a "game changer". Others would have said there is no substance to the technology and that the buzz around cloud is all marketing hype.

Today, we are seeing that our previous ideas about cloud were incorrect, said Bob Plumridge, EMEA CTO at Hitachi Data Systems, at the company’s Information Forum in Johannesburg yesterday. Plumridge pointed out that cloud is enabling many of the big data projects that large organisations are tackling at the moment. "If you can’t move data around and share it easily, you are going to find it extremely difficult to analyse and utilise the data. Cloud enables this flexibility," he said…

For Tony Reid, EMEA pre-sales director at Hitachi Data Systems, a comprehensive cloud delivery strategy involves three layers. The first being the infrastructure layer, which constitutes the hardware and software layer that everything else is built on, he said. Reid added that virtualisation is a key element of this layer. "Without the infrastructure cloud layer, many of the other things you need to do simply won’t work."…

Read more from the source @ http://www.itweb.co.za/index.php?option=com_content&view=article&id=66750:The-three-layers-of-cloud&catid=69