Switching White Papers

Fixed Point Approximations for TCP Behavior in Networks of Routers Implementing Heterogeneous Queue Management Policies

Overview This paper uses fixed point methods to model the behavior of a population of TCP flows traversing a network of routers implementing either Drop Tail or the RED queue management policies. A non-linear problem is formulated 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.

Further White Paper Details
PublisherUniversita degli Studi di Torino File FormatPDF
Date PublishedSeptember 2005
FormatWhite Papers   
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