Improving TCP Vegas Fairness in Presence of Backward Traffic

TCP Vegas provides better performance compared to traditional TCP Reno schemes. However, backward traffic significantly degrades Vegas efficiency causing underutilization of the available bandwidth and unfairness. In this letter, we present an enhanced congestion control mechanism for TCP Vegas able...

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Bibliographic Details
Published in:IEEE communications letters 2007-03, Vol.11 (3), p.273-275
Main Authors: Herrera-Alonso, Sergio, Rodriguez-Perez, Miguel, Suarez-Gonzalez, Andres, Fernandez-Veiga, Manuel, Lopez-Garcia, Candido
Format: Article
Language:English
Subjects:
Access methods and protocols, osi model
Applied sciences
Bandwidth
Clock synchronization
Clocks
Degradation
Delay estimation
Exact sciences and technology
Forward contracts
Proposals
Routers
Spacecraft
Synchronization
Systems, networks and services of telecommunications
TCP (protocol)
Telecommunication traffic
Telecommunications
Telecommunications and information theory
Teleprocessing networks. Isdn
Teletraffic
Throughput
Traffic control
Traffic engineering
Traffic flow
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Summary:TCP Vegas provides better performance compared to traditional TCP Reno schemes. However, backward traffic significantly degrades Vegas efficiency causing underutilization of the available bandwidth and unfairness. In this letter, we present an enhanced congestion control mechanism for TCP Vegas able to correctly remove the undesired impact of reverse traffic on bandwidth sharing. Furthermore, our proposal is easily deployable because it does not require neither clock synchronization nor any special support at the intermediate routers
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2007.061597