The lines between cloud computing models are blurring - 0 views
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Gary Edwards on 09 Feb 11The three dominant cloud computing models -- Infrastructure as a Service (IaaS), Software as a Service (SaaS) and Platform as a Service (PaaS) -- are changing fast, as cloud providers reach up and down the stack to offer as close to a one-stop shop as possible. More news and analysis about cloud computing CIOs must manage changes in IT departments due to cloud computing services Experts debate the fate of cloud provider liability limits To understand how these cloud computing models are evolving and converging, it helps to know the history, said Jeffrey Kaplan, managing director of ThinkStrategies Inc., a consultancy in Wellesley, Mass. For one thing, he says, SaaS was first.