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A novel approach for internet congestion control is presented here, using a static feedback law. A congestion controller for Network TCP/IP Routers is derived, to ensure stability for a large set of admissible initial conditions. From a formal point of view, we propose a static state-feedback for discrete-time delayed systems, with both saturating inputs and link capacity disturbances, that ensures simultaneously closed-loop stability and a prescribed level of performance. The effectiveness of the proposed approach is verified via simulation, comparing the results to PI and RED controllers.