Oscillations and buffer overflows in video streaming under non-negligible queuing delay Conference Paper uri icon

abstract

  • In this paper, we analyze how feedback delays affect stability, oscillations, and packet loss of several classes of congestion controllers used or proposed for video streaming in the current/future Internet (including window-based AIMD, rate-based AIMD, Scalable TCP, and TFRC). Our results indicate that window-based protocols in this list incur significantly less packet loss under delayed feedback than their rate-based counterparts, which explains their better overall performance observed in practice. At the same time, we show that even TCP's congestion control is far from ideal from the control-theoretic point of view and leads to amplified oscillations when queuing delays increase. We conclude with an observation that multimedia in the future Internet is not likely to enjoy oscillation-free congestion control unless the network deploys some form of AQM.

name of conference

  • Proceedings of the 14th international workshop on Network and operating systems support for digital audio and video

published proceedings

  • Proceedings of the 14th international workshop on Network and operating systems support for digital audio and video

author list (cited authors)

  • Zhang, Y., & Loguinov, D.

citation count

  • 5

complete list of authors

  • Zhang, Yueping||Loguinov, Dmitri

editor list (cited editors)

  • Padmanabhan, V. N., & Sreenan, C. J.

publication date

  • January 2004