While both options my officer viable solutions to a business’ IT Infrastructure problems the benefits of using each is very different. In a business where redundancy security, and scalability are not major concerns an On Premise solution s likely to be the most cost effective methodology, as businesses will only pay for the minimum that they need. However, if a business attempts to incorporate these features into an On Premise solutions then the resulting solutions can be far more expensive than the IaaS equivalent. Essentially, IaaS uses the economies of scale and an aggregated platform hosted in a data centre to provide a more secure, reliable, and flexible solutions at a lower price than would be available to individual businesses.