期刊文献+

基于UDP的数据可靠传输技术研究与应用 被引量:36

Research and application of reliable data transmission technique based on UDP
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摘要 针对使用UDP协议实现网络实时音视频数据传输时的丢包问题,在对基于UDP的数据可靠传输协议——UDT的原理进行深入分析的基础上,提出了基于时间和数据包数目相结合的确认机制和改进的AIMD(加性增加乘性减少)拥塞控制算法,由此实现网络音视频数据的高质量实时传输。实验证明,使用改进的UDT协议,可以有效提高数据传输的可靠性和效率。 Packets loss are always existing when using UDP to implement real-time media transfer in the internet.Thus propose time_based and packet-number_based united ACK mechanism,and improve AIMD(Additive Increase and Multiplieative Decrease) congestion control algnrithm,based on studying on UDT,UDP_Based reliable data transfer protocol.At the end use the protocol to implement efficient real-time audio and video transfer in the intemet.Experiments demonstrate that reliability and efficiency have been improved after using the improved protocol.
出处 《计算机工程与应用》 CSCD 北大核心 2010年第3期105-108,共4页 Computer Engineering and Applications
基金 上海市博士后科研资助计划项目No.05R214207 上海市青年科技启明星计划项目 No.05QMX1447~~
关键词 可靠传输 确认机制 拥塞控制 视频监控 reliable transmission aeknowledgement mechanism congestion control video surveillance
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参考文献12

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二级参考文献26

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