Research Area:  Cloud Computing
In a nutshell, the existing Internet provides to us content in the forms of videos, emails and information served up in web pages. With Cloud Computing, the next generation of Internet will allow us to buy IT services from a web portal, drastic expanding the types of merchandise available beyond those on e-commerce sites such as eBay and Taobao. We would be able to rent from a virtual storefront the basic necessities to build a virtual data center: such as CPU, memory, storage, and add on top of that the middleware necessary: web application servers, databases, enterprise server bus, etc. as the platform(s) to support the applications we would like to either rent from an Independent Software Vendor (ISV) or develop ourselves. Together this is what we call as IT as a Service, or ITaaS, bundled to us the end users as a virtual data center.
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Author(s) Name:  Jinzy Zhu
Journal name:  Handbook of Cloud Computing
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Publisher name:  Springer
DOI:  10.1007/978-1-4419-6524-0_2
Volume Information:   pp 21-45
Paper Link:   https://link.springer.com/chapter/10.1007/978-1-4419-6524-0_2