With regard to the flow regulation of the best-effort traffic, i.e., the controllable traffic in high-speed computer communication networks, the present paper proposes a novel control theoretic approach that designs a proportional-plus-derivative (PD) controller for congestion controlling. Based on the traffic model of multi-source node and single destination node and on system stability criterion, it shows that the PD controller can regulate the source rate on the basis of the knowledge of buffer occupancy of the destination node in such a manner that the congestion-controlled network is asym...
