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Published June 2003 | metadata_only
Journal Article

Maximum and asymptotic UDP throughput under CHOKe


A recently proposed active queue management, CHOKe, aims to protect TCP from UDP flows. Simulations have shown that as UDP rate increases, its bandwidth share initially rises but eventually drops. We derive an approximate model of CHOKe and show that, provided the number of TCP flows is large, the UDP bandwidth share peaks at (e+1)^-1 = 0.269 when the UDP input rate is slightly larger than the link capacity, and drops to zero as UDP input rate tends to infinity, regardless of the TCP algorithm.

Additional Information

© 2003 ACM. We acknowledge the support of NSF through grants ANI-0113425 and ANI-0230967, and ARO through grant DAAD19-02-1-0283.

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August 19, 2023
August 19, 2023