Contrast of Public Cloud and Private Cloud lies in various aspects. Naming system made a simple division as private and public cloud, but things are not easy. These abnormal way of division of various types of Cloud has more commercial basis and is confusing to even quite advanced computer and internet user. Who ever has done this (known), who even has ‘certified it’ (known), do lifts the index finger by any general user – where is the similarity ? Only comparable can be compared. or when we are writing about the Contrast of Public Cloud and Private Cloud; definitely we have accept some ‘pushed’ way of idea as ideal; otherwise it is not possible to compare.