. The major problem is that some policies have low prediction
accuracy.
Stochastic policies use stochastic models for request generation and device state changes.
Under such formulation, power management is a stochastic optimization problem. These
policies can explicitly trade off between power saving and performance while predictive
policies cannot. Stochastic policies include discrete-time and continuous-time stationary
models [6 , 7] , time-indexed semi-Markov models [8] , Petri Nets [9] , and non-stationary
models [10] . A common problem is that most policies require ...
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