User models

All three delivery models described in the previous subsection, SaaS, PaaS, and IaaS can be an integral part of any computer cloud.

However, access to these services depends on the cloud model in terms of the type or type of its application.

So, let's understand each here in the following sections.

Public cloud

The Public Cloud consists of computer resources that are available to users on the basis of a subscription. The following is a very generic depiction of a public cloud:

Virtualization is one of the fundamental characteristics and driving forces of the public cloud. Virtual resources in a public cloud appear and are similar to physical resources in an old computing center, but their activation, looking...