... environment. Factors such as the number and rate of federal agencies adopting cloud computing, the length of their transitions to cloud computing, and the cloud computing model (public, private, ... estimates of public, private, and hybrid clouds. We used this model, and our extensive experience in The Economics of Cloud Computing Addressing the Benefits of Infrastructure in the Cloud 2 ... Because of the cost of parallel IT operations (i.e., cloud and non -cloud) , the shorter the server migration schedule, the greater the economic benefits.These findings, in turn, lead to the following...