Infrastructure as a Service (IaaS)

Definition - What does Infrastructure as a Service (IaaS) mean?

Infrastructure as a Service (IaaS) is a service model that delivers computer infrastructure on an outsourced basis to support enterprise operations. Typically, IaaS provides hardware, storage, servers and data center space or network components; it may also include software. Infrastructure as a Service (IaaS) is also known as Hardware as a Service (HaaS).

Techopedia explains Infrastructure as a Service (IaaS)

An IaaS provider provides policy based services and is responsible for housing, operating and maintaining the equipment it provides for a client. Clients usually pay on a per-use or utility computing basis. Characteristics of IaaS include: Automated administrative tasks Dynamic scaling Platform virtualization Internet connectivity IaaS is also described as one of three main categories of cloud computing service. The other two are Software as a Service (SaaS) and Platform as a Service (PaaS).
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