[1]曾晶萍 杨文俊 彭力 秦肖臻 汪秉文.TCP友好速率控制协议的分析及应用[J].计算机技术与发展,2007,(01):210-212.
 ZENG Jing-ping,YANG Wen-jun,PENG Li,et al.Analysis and Application of TCP- Friendly Rate Control Protocol[J].,2007,(01):210-212.
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TCP友好速率控制协议的分析及应用()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2007年01期
页码:
210-212
栏目:
应用开发研究
出版日期:
1900-01-01

文章信息/Info

Title:
Analysis and Application of TCP- Friendly Rate Control Protocol
文章编号:
1673-629X(2007)01-0210-03
作者:
曾晶萍 杨文俊 彭力 秦肖臻 汪秉文
华中科技大学控制科学与工程系
Author(s):
ZENG Jing-ping YANG Wen-jun PENG Li QIN Xiao-zhen WANG Bing-wen
Dept. of Control Science and Engineering, Huazhong Univ. of Science and Tech
关键词:
TCP友好性拥塞控制吞吐量
Keywords:
TCP - friendly congestion control throughout
分类号:
TN915.04
文献标志码:
A
摘要:
传统的TCP由于采用速率减半的拥塞退避机制而使其在数据传输时易产生过大的速率波动,而UDP不具备拥塞退避机制,在拥塞的网络环境中,UDP流将大量抢占TCP流的网络带宽,同时自身的丢包电迅速增加,并可能带来系统拥塞崩溃的潜在危险,因此TCP和UDP都不能很好地满足实时流媒体业务的需要。文中研究了一个具有拥塞退避机制、网络吞吐量波动小,且能够与TCP协议公平分享带宽的传输协议——TCP友好速率控制协议(TFRC),并将其应用于实时多媒体流传输应用程序。研究测试结果表明采用TFRC后多媒体的实时播放较TCP平滑
Abstract:
TCP has a congestion control mechanism of halving its rate, which makes data transmission rate fluctuate badly, while UDP does not have any congestion control mechanism, which means UDP flows will occupy too much bandwidth over TCP flows. At the same time increase its own package loss when the network is congested and make the network environment even worse. So both TCP and UDP are not suitable for real - time streaming application. Analyses TCP - friendly rate control (TFRC), which is a congestion control mechanism and is reasonably fair when competing for bandwidth with TCP flows. It has a much lower variation of throughout over time than TCP, thus it is more suitable for multimedia streaming application. A real - time streaming application using TFRC is given in the paper. The testing results reveal that the smoothness has been improved

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备注/Memo

备注/Memo:
曾晶萍(1982-),女,河南郑州人,硕士研究生,研究方向为计算机网络、数据共享与应用;秦肖臻。副教授。研究方向为生产过程综合自动化系统集成优化与决策、计算机网络和数据库系统;汪秉文,教授,研究方向为生产过程综合自动化系统集成优化与计算、计算机网络和数据库系统
更新日期/Last Update: 1900-01-01