Saas - Some key differences

• Clouding computing is the big application context (umbrella) covering SaaS and other related terms
• “… as a Service” are the buzz words used to specify various application scenarios.
  • E.g. Storage as a Service is an umbrella for SaaS applications that provide cloud storage.
• PaaS deals with whole computing platforms provided as a service such as operating system enviromnets
  • E.g. Google Chrome OS running on Google ChromeBooks
• IaaS aims to provide the whole computing power (computer clusters) for the application domain so we don’t have to worry about the physical machines and how they are deployed