Network routers, which utilize distributed routing algorithms, are used to implement the highest levels of the modem computer communication hierarchy. As routing networks grow larger, their behavior under different load conditions becomes complex. Present analytical methods address these networks in their linear or load balanced regions of operation. In this paper, DECSIMa logic hardware simulator, was used to model a router. Various load conditions were simulated on a mesh of 25 and 400 routers to characterize the network behavior both in the linear and non-linear regions. Different scheduling methods were used to characterize the systems' bandwidth. Simulation results are presented and compared to the nonlinear behavior of natural systems.
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