东北大学学报（自然科学版）

东北大学学报(自然科学版) ›› 2006, Vol. 27 ›› Issue (11): 1204-1207.DOI: -

• 论著 • 上一篇    下一篇

基于RTCP反馈的TCP友好的实时流媒体拥塞控制机制

耿福泉;方敏;赵林亮;王光兴;   

  1. 东北大学信息科学与工程学院;东北大学信息科学与工程学院;东北大学信息科学与工程学院;东北大学信息科学与工程学院 辽宁沈阳110004;辽宁沈阳110004;辽宁沈阳110004;辽宁沈阳110004
  • 收稿日期:2013-06-23 修回日期:2013-06-23 出版日期:2006-11-15 发布日期:2013-06-23
  • 通讯作者: Geng, F.-Q.
  • 作者简介:-
  • 基金资助:
    国家高技术研究发展计划项目(2003AA712032)·

TCP-friendly real-time streaming media congestion control based on RTCP feedback

Geng, Fu-Quan (1); Fang, Min (1); Zhao, Lin-Liang (1); Wang, Guang-Xing (1)   

  1. (1) School of Information Science and Engineering, Northeastern University, Shenyang 110004, China
  • Received:2013-06-23 Revised:2013-06-23 Online:2006-11-15 Published:2013-06-23
  • Contact: Geng, F.-Q.
  • About author:-
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摘要： 提出了一种端到端的、基于RTCP反馈的、改进了的TFRC拥塞控制机制,即a-TFRC(amelioratedTFRC);主要针对实时流媒体要求低延迟和低抖动的特点,修改了TFRC的慢启动阶段,使得TFRC流开始的发送速率不至于太低而使得接收端在开始有较大的延迟和抖动·仿真结果验证了此机制在实现对TCP流友好性的同时提高了实时流媒体的QoS

关键词: 流媒体, 拥塞控制, TFRC, RTP/RTCP, QoS

Abstract: An end-to-end congestion control mechanism, i.e., a-TFRC (ameliorated TFRC), is presented, which is TCP-friendly and based on RTCP feedback. In view of that the real-time streaming media need short delay and short-term jitter, the slow start-up phase of a TFRC is improved to enable the initial sending rate of TFRC flow not to be so low that the delay and jitter begin to lengthen at receiving end. Simulation result shows that the proposed mechanism improves the streaming media throughput and QoS so as to ensure the amicability of TCP flow.

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