Name the modes of software as a service (SaaS).

<p>There are two modes of software as a service (SaaS):</p> <ul> <li>Simple multi-tenancy: This mode provides users independent resources that are unique from other users. This mode is also an efficient mode.</li> <li>Fine grain multi-tenancy: The distribution of the resources are done with different users but with the functionality.</li> </ul>