Enhancing TCP to support rate-limited traffic

Authors:
Arjuna Sathiaseelan;Raffaello Secchi;Godred Fairhurst
Affiliations:
University of Aberdeen, Aberdeen, United Kingdom;University of Aberdeen, Aberdeen, United Kingdom;University of Aberdeen, Aberdeen, United Kingdom
Venue:
Proceedings of the 2012 ACM workshop on Capacity sharing
Year:
2012

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Abstract

This paper introduces a new TCP congestion control mechanism for rate-limited applications that transmit data in bursts and do not fully utilise their allowed transmission rate. We propose "new-CWV", a method that allows a TCP connection to restart quickly from either an idle or application-limited period. Simulation results show that this provides faster convergence to the rate requested by a rate-limited application, demonstrated by a higher throughput, and better utilisation of unused capacity compared to Standard TCP or TCP with Congestion Window Validation.