Infrastructure as a Service is a computing infrastructure that provides high level APIs, managed over a network. IaaS helps you to cut down the expense and complexity involved in buying and managing your own different server. In an IaaS model, a cloud provider has the foundational parts present in an on-premises network, servers, storage and systems administration equipment, and also the virtualization or hypervisor layer. IaaS model provides access to computing resource in a virtualized environment, where clients are given access to build their own IT platforms. It is cost saving as you pay only for the computing resources that you have used. Benefits Improves business continuity and disaster recoveryIt eliminates the capital expenses and reduces ongoing costs.It innovates quickly with better securityIncreases stability, reliability and supportability