Formal Discussion on Relationship between Virtualization and Cloud Computing

As a most prevalent topic in recent few years, the public has shown great interest on cloud computing - the brand new concept about service pattern for IT industry. However, the public view is now mainly focused on the technical development of such a framework that is practically available, yet little research has been taken from the aspect of the academic. This article is written with the intention for some discussion and exploration on relationships between virtualization and Cloud Computing. The article provides one way it provides an attempt to give out a formal definition of cloud computing from the viewpoint of virtualization and the set theory upon which the concept of virtualization is based.