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Showing posts from December, 2009

Infrastructure as a Service (IaaS)

Infrastructure as a Service (IaaS) is similar to SaaS in the sense that IaaS provides capabilities on-demand but for IaaS, those capabilities are more focused on IT infrastructure such as servers, storage and network. Amazon Web Services (AWS) is one of the better known IaaS solutions http://aws.amazon.com/ “With AWS you can requisition compute power, storage, and other services-gaining access to a suite of elastic IT infrastructure services as your business demands them.” Amazon touts the following benefits with AWS: - Cost-effective – pay for only what you use - Dependable – use a battle-tested, web-scale infrastructure - Flexible – build any application you want using any platform - Comprehensive – don’t start from scratch. AWS gives you a number of services. Most of the SaaS are in actuality providing Infrastructure as a Services since their software runs on their infrastructure. To be successful the SaaS providers must have highly available