It includes offering hosted services via the internet is called cloud computing. Infrastructure as a service (IaaS), platform as a service (PaaS), and software as a service (SaaS) are the 3 primary forms of cloud computing services (SaaS).
It is possible to have a public or private cloud. Any individual on the internet can buy these services from a public cloud. A private cloud is a secured and closed network or data center that provides hosted services to a small group of people with specific access and permissions. Whether personal or public, cloud computing gives quick, scalable access to computer resources and IT services.