Infrastructure as a Service (IaaS) is a cloud computing model that provides virtualized computing resources over the internet, enabling users to rent IT infrastructure such as servers, storage, and networking. This approach allows businesses to scale their resources based on demand, reducing the need for physical hardware and maintenance while promoting flexibility and cost-efficiency. IaaS is a foundational layer of cloud services that supports other models like Platform as a Service (PaaS) and Software as a Service (SaaS).
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