"Cloud Service Models $-$ The capability provided to the consumer is to use the provider s applications running on a cloud infrastructure. The applications are accessible from various client devices through either a thin client interface, such as a web browser $($e$.$g$.,$ web$-$based email$),$ or a program interface. The consumer does not manage or control the underlying cloud infrastructure including network, servers, operating systems, storage, or even individual application capabilities, with the possible exception of limited user$-$specific application configuration settings."

Platform as a Service

Software as a Service $($SaaS

Virtualization as a Service

On$-$Premise

Infrastructure as a Service