From: Ravi Kalakota <kalakota@uhura.cc.rochester.edu>

Gartner group came out with the five ways of describing the different c/s 
styles based on how they split the three components of any application: 
user interface, business or application logic, data management. The five 
styles are distributed presentation, remote presentation,  distributed 
function, remote data management, and distributed data management.

(Note: This is an arbitary classification and others may do it differently)

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