Virtualization is awesome. It's almost as if it's a master of disguise -- one person in many different outfits. Virtualizaion is actually a type of software that allows computers, single or in connected clusters, to fucntion as if they were several different computers. Crazy, right? The name is self-explanitory in itself -- "a virtual version of something" rather than a concrete piece of hardware. Each one seems as though it is numerous computers, each running on it's own operating system and software.
Moreover, the best thing about virtualization is that it supports most cloud computing efforts and can therefore make computing more efficient and affordable because users only need to pay as needed. Faster and cheaper? PERFECT. You can have less servers taking up space in that server room of yours -- goodbye, clutter. It also improves scalability and lightens work loads. One popular example of a virtualization system is VMWare.
I also took it upon myself to do a little research once again., and I must say that if I never need to know everything about virtualization, at least I always know I'm a few clicks away from this site: http://virtualization.info/en/. It's virtualization mania.
Photo 1 - Public Domain: http://houston.theoffside.com/files/2009/05/disguise.jpg
Photo 2 - Public Domain: http://commons.wikimedia.org/wiki/File:Cost_chicanery.jpg
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