In this paper we use fixed point methods to model the behavior of a population of TCP fows traversing a network of routers implementing either Drop Tail or the RED queue management policies. We formulate a non-linear problem with the router average queue lengths as unknowns. Once the average queue lengths are obtained, other metrics such as router loss probability, TCP flow throughput, TCP flow end-to-end loss rates, and average round trip time can be easily obtained. Comparison with simulation for a variety of scenarios shows that the model is quite accurate in its predictions.
|Titolo:||Fixed Point Approximations for TCP Behavior in Networks of Routers|
|Autori interni:||GRIBAUDO, MARCO|
|Data di pubblicazione:||2006|
|Appare nelle tipologie:||04.1 Contributo in Atti di convegno|
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