The three cloud servicing models are as follows:- Infrastructure as a Service (IaaS) is a kind of cloud computing service that seeks to offer storage, essential compute, and networking resources that are high on demand and operate on a pay-as-you-go basis. Platform as a Service (PaaS) is a cloud computing model which mainly operates via a third-party provider that delivers software and hardware tools to customers and users over the internet. Software as a Service (SaaS) is more like a software delivery and licensing model via which software is given its license based on subscription and is hosted centrally.