Cloud offerings are broadly categorized as the Private Cloud, Infrastructure as a Service, Platform as a Service, and Software as a Service. Each service variation depends on the layers managed between the provider and customer:
As represented in the preceding diagram, in SaaS all the components and layers of offerings are owned by the provider.
SaaS is a model where applications are hosted on a cloud as a service that clients access through a web interface, such as browsers, over the internet. Unlike in the traditional system of installing on individual machines, clients don't need to install any specific applications on their machines nor maintain or support the applications on SaaS. The cloud provider is responsible for upgrading it or hosting any integrations, and so on. The provider does all the patching, upgrades, and ensures that the infrastructure is running, by charging fees appropriately.
SaaS applications are designed and built to support...