TCP-Rate-Probing-Based Adaptation for Continuous Media Communications (特集マルチメディア通信プロトコル)

概要

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Rate control of continuous media (CM) UDP flows over the Internet should retain TCP-friendliness. Despite many efforts to create TCP-friendly algorithms, it is often difficult to adjust parameters pertaining to the algorithms in order to achieve exact fairness with TCP flows. In this paper, we propose a scheme called TCP-Rate-Probing-Based Adaptation (TPBA). In TPBA, a CM flow intermittently changes its transport protocol to TCP to measure a TCP-exact rate, and uses the rate with UDP. We have built an experimental system with FreeBSD PCs and shown that TCP-friendly rate control can easily be achieved for both a shorter and a longer round-trip-time connections.
一般社団法人情報処理学会の論文
2000-02-15