What is IaaS? For this service model, what are the resources the cloud vendor will provide/manage and what are the resources the cloud user will have a control? What basic question is it essentially addressing for a cloud user? Know that Amazon is the pioneer to officially offer IaaS to the public.

Iaas means Infrastructure as a service.

IaaS is one of the three categories of cloud computing services.

Others are software as a service (SaaS) and platform as a service (PaaS). Iaas is faster and easier to operate. It is also more cost-efficient

IaaS provides virtualized computing resources over a wide area network (WAN) such as the internet.

Examples of independent IaaS providers are Amazon Web Services (AWS) and Google Cloud Platform (GCP). These Iaas providers are organizations that sell IaaS.

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