Software as a Service (SaaS) is a cloud computing model that allows users to access software applications over the internet. In this model, instead of installing software on a computer or a local server, users can access and use the software through a web browser or a mobile app, usually on a subscription basis.
Infrastructure as a Service IaaS
Infrastructure as a Service (IaaS) is a type of cloud computing service that provides organizations with virtualized computing resources over the internet. This includes virtual servers, storage, and network infrastructure, which can be used to host and run applications, store and manage data, and support various other IT needs.