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Summary: TCP Vegas: New Techniques for Congestion
Detection and Avoidance
Lawrence S. Brakmo
Sean W. O'Malley
Larry L. Peterson
TR 94 04
Abstract
Vegas is a new implementation of TCP that achieves between 40 and 70% better throughput,
with one-half to one-fifth the losses, as compared to the implementation of TCP in the Reno dis-
tributionof BSD Unix. This paper motivates and describes the five key techniques employed by
Vegas, and presents the results of a comprehensive experimental performance study--usingboth
simulations and measurements of the actual Internet--of the Vegas and Reno implementations
of TCP.
February 16, 1994
Department of Computer Science
The University of Arizona
Tucson, AZ 85721
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This work supported in part by National Science Foundation Grant IRI-9015407 and ARPA Contract DABT63-
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