Cloud Service Models
Cloud consumers try to find solutions to their business and technical needs while searching for cloud service provider offerings that meet their functional and non-functional requirements. Cloud customers look at the service models that the cloud service providers offer and their pricing, and based on that information they are able to conduct a cost and benefit analysis for their business case. The ISO/IEC 17788:2014 (https://www.iso.org/standard/60544.html) standard provides an overview of cloud computing along with a set of terms and definitions for cloud computing, which makes it easier to learn about and discuss the many facets of this technology. You will see this later in the chapter.
The standard describes the following three primary types of cloud service models:
- Software as a Service (SaaS)
- Platform as a Service (PaaS)
- Infrastructure as a Service (IaaS)
You will now review each one of these capabilities separately and examine...