IaaS stands for Infrastructure as a Service. It is a cloud computing model in which a service provider offers virtualized computing resources, such as servers, storage, and networking, over the internet and is usually done through a subscription management platform. IaaS enables customers to rent these resources on an as-needed basis, rather than having to purchase and manage their own physical infrastructure.
IaaS provides businesses with a flexible and scalable solution for managing their computing needs, allowing them to quickly provision and deploy new resources as needed. It also offers the benefits of reduced capital expenditure and improved operational efficiency, as the service provider is responsible for maintaining and updating the infrastructure.
IaaS is often used as the foundation for other cloud computing services, such as Platform as a Service (PaaS) and Software as a Service (SaaS), which build on top of the IaaS layer to offer more advanced capabilities and services.
SaaS and IaaS are two different cloud computing models that are often used together to deliver a complete cloud solution.