What Are Cloud Computing Service Models?
Cloud computing is generally considered to have four service models; these are also referred to as categories. These service models are as follows:
- IaaS
- PaaS
- Function as a Service (FaaS)/serverless
- SaaS
Figure 1.9 shows the relationship between these service models. Every cloud computing resource will fit into one of these categories; a solution will comprise one or more resources from each of these categories, and you select the resources from each category based on each solution’s needs, taking a mix-and-match approach to tailoring a set of technology resources to map to business needs.
Figure 1.9 – Cloud computing service models
In this next section, you will cover quite a lot of ground as there are many concepts and aspects to present information on, not only for the exam but for knowledge beyond. You will look closely at each service model and compare and contrast the...