6. Cloud Computing: How did we arrive at it?

Cloud Computing represents the latest model in the long history of providing computing to different audiences  Computers (computing) enabled military during second world war and entered business world with the advent of mainframe computers in 1960's.  Here is small recap of major models that existed and served computing community before we arrived at cloud computing.

Figure 6.1. Mainframe computers 


Figure 6.2: Personal Computing 



Figure 6.3. Network computing 


Figure 6.4 Internet Computing 

Figure 6.5. Grid Computing 


Figure 6.6. Cloud Computing 


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