Which cloud service model provides virtual machines, storage, and networking infrastructure?

Question

BlackTom AI · Accepted Answer

When evaluating cloud service models, it's important to map the services provided to each model's responsibilities.
Option 1: 'Infrastructure as a Service (IaaS)' – This model typically offers virtual machines, storage, and networking capabilities as foundational building blocks. Customers manage the OS, middleware, and applications, while the provider handles the underlying hardware and core virtualization. This accurately describes the scenario in the question.
Option 2: 'Software as a Service (SaaS)' – SaaS delivers software applications over the internet, with the provider handling almost all layers (application, runtime, middleware, OS, virtualization, servers). End users interact with the software, not with raw VMs or storage. Therefore, SaaS does not describe providing virtual machines, storage, and networking infrastructure.
Option 3: 'Platform as a Service (PaaS)' – PaaS abstracts away the operating system and runtime, providing a platform for developers to deploy applications. While it includes some infrastructural elements, it’s primarily focused on the runtime environment and developer tooling rather than offering raw VM, storage, and networking resources directly to manage.
Option 4: 'Managed Service' – This term is broad and can refer to various managed offerings, but on its own it does not specify the delivery of virtual machines, storage, and networking infrastructure as a core service. It’s insufficient to define the standard model that provides IaaS-like infrastructure.
In summary, only Infrastructure as a Service (IaaS) aligns with providing virtual machines, storage, and networking infrastructure, whereas the other options describe higher-level, more abstracted services that do not fit the exact description.

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Which cloud service model provides virtual machines, storage, and networking infrastructure?

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