TCP enhancements for interactive thin-stream applications

Authors:
Andreas Petlund;Kristian Evensen;Carsten Griwodz;Pål Halvorsen
Affiliations:
University of Oslo, Norway;University of Oslo, Norway;University of Oslo, Norway;University of Oslo, Norway
Venue:
Proceedings of the 18th International Workshop on Network and Operating Systems Support for Digital Audio and Video
Year:
2008

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Abstract

TCP is frequently used for interactive multimedia applications like online games and voice-over-IP (VoIP) because it avoids firewall issues. However, traffic analysis shows that these streams usually have small packets and a low packet rate, and that in case of loss, severe latency penalties occur for all existing TCP variations in Linux [5]. In this demonstration, we show how small TCP enhancements greatly improve the perceived quality of such low latency, interactive applications.