Categories of Cloud Providers
Cloud Computing Stack
The figure below illustrates the relationship of Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS) in the Cloud Computing stack. For a discussion on each type of Cloud provider, see:
Sometimes Network as a Service (NaaS) is shown in addition to the types of Cloud providers above. See Network as a Service (NaaS).
It is very likely you have noticed other "________ as a Service" offerings mentioned in the media and online. For a discussion of this, see Why Are There So Many "as a Service" Offerings?
Astute readers who have read the second edition of Web Services, Service-Oriented Architectures, and Cloud Computing: The Savvy Manager's Guide will note that this figure varies from Figure 4.5 in Chapter 4. The figure above is correct. The figure in the book incorreclty excludes operating systems from IaaS. Yes, there is a difference of opinion as to whether operating systems are part of IaaS or PaaS. For the purposes of the articles on this site, operating systems will be considered part of IaaS.
More on the general topic: Cloud Computing Articles
- Cloud Computing Definition
- Cloud Computing Explained
- Web Services and Cloud Computing
- Service-Oriented Architecture (SOA) and Cloud Computing
- Types of Clouds in Cloud Computing
- Cloud Computing Governance
- Cloud Computing FAQ
- Cloud Computing Article Suggestions