Infrastructure as a Service
Formal
One of the main categories of Cloud computing services, Infrastructure as a Service (IaaS) provides virtualized computing resources online. An on-demand business model for IT-capacities
Practical
An on-demand business model for IT-capacities. Instead of owning IT-infrastructure or server space, you rent it and pay for it on a per-use basis. Those capacities are usually owned, maintained, and provided by a cloud service.
