Shan 2009 (†435)Shan, Tony. "Cloud Taxonomy and Ontology." Responsive and Adaptive Computing Ecosytems (2 February 2009).
- cloud service : The fundamental question is how the cloud services can be logically organized from a capability perspective . . . A structured way is needed to provide a taxonomy to classify a variety of XaaS offerings, which extends the traditional SaaS, IaaS, and PaaS areas. Here is a dome model for cloud services (click image to enlarge). It provides a more granular classification in a reference stack for different capabilities and functions encapsulated in layers.
Graphic linked from http://cloudonomic.blogspot.com/2009/02/cloud-taxonomy-and-ontology.html (†566)