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In this paper, a class of end-to end network congestion control algorithms with communication delays is studied. By choosing the communication delay as a parameter, the existence of bifurcation and the stability of the system are proved, and the formulas for determining the stability of bifurcation periodic solutions and the direction of the Hopf bifurcation are presented. Finally, the theoretical...
A delayed network congestion control algorithm is a complicated dynamical nonlinear feedback system. A class of delayed TCP congestion control algorithms, TCP Vegas congestion control schemes with general description, is analyzed. The delayed systems with discrete-time are discussed, and many criteria on the stability are obtained. Finally, the computer simulations show that the stability criteria...
Internet congestion algorithm decides the queue sizes and quality of service (QoS) of network. Based on the mechanism of Internet congestion control, a new active queue management (AQM) algorithm based on the fuzzy logical controller (FLC) is presented. When the system states are far off the equilibrium, a sliding-mode controller (SMC) is applied to control the states returning the neighbor of the...
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