Which cloud service model provides the most control over the underlying infrastructure?

Infrastructure as a Service (IaaS) provides the most control over the underlying infrastructure among the mentioned cloud service models. With IaaS, users can rent virtualized computing resources such as virtual machines, storage, and networks from a cloud provider. This allows users to manage the operating systems, applications, and middleware while the cloud provider manages the physical infrastructure.

This level of control is advantageous for businesses that require customization and specific configurations that are not available through higher-level services. IaaS enables organizations to scale resources up or down according to their needs, giving them the flexibility to manage workloads effectively. Additionally, users have the capability to choose their own operating systems and software, making it suitable for a wide range of applications from development to enterprise solutions.

In contrast, Platform as a Service (PaaS) abstracts much of the underlying infrastructure, providing a platform for developers to build, deploy, and manage applications without dealing with the complexities of the system underneath. Software as a Service (SaaS) delivers fully functional applications over the internet, where users have minimal control over the underlying infrastructure. Finally, Function as a Service (FaaS), which is designed for executing individual functions in a serverless architecture, provides even less control than Paa