Efficient (Pareto optimal) flow control in a multiclass telecommunications environment is analysed. Several classes of users compete for the resources provided by an exponential server, using power as their performance criterion. The necessary and sufficient conditions that the throughputs of the different classes have to satisfy are presented. Relations with definitions of global performance measures are analysed. Several algorithms that converge to efficient points are considered.
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Douligeris et al. (1991) studied this question.