What is IaaS?

What is IaaS?
IaaS, or Infrastructure as a Service is a form of cloud computing, where compute, network, and storage resources are hosted in the cloud.
The IaaS model allows you to rent resources, provision them when needed, and pay for them as you go.
IaaS can do a lot, such as reduce the time and cost of provisioning and scaling environments, to free up DevOps to innovate.
Make compute services available on demand, so businesses can scale up better than most on-premises environments.
Give businesses access to new services, faster than on-premises.
IaaS is also available in most geographies, so businesses can quickly grow their online footprint