The three main cloud models are Platform as a Service (PaaS), Software as a Service (SaaS), and Infrastructure as a Service (IaaS). The main difference between them is the different levels of control they offer.
With IaaS, users manage their operating systems, middleware, and applications, while the provider handles the underlying infrastructure. PaaS abstracts more layers, offering a ready-to-use development environment, and SaaS delivers fully managed software applications.
IaaS offers the most flexibility, ideal for developers and IT teams needing customized setups. It provides the foundation for both PaaS and SaaS solutions, serving as the backbone for scalable, cloud-based computing environments across industries.
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