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Received:July 30, 2014 Revised:September 09, 2014
Received:July 30, 2014 Revised:September 09, 2014
中文摘要: 提出了一种在轻量级TCP协议栈上实现的零存储丢包重传机制, 并设计了一种专门适用于多媒体视频流的坚持计时器. 这两种机制的共同作用可以有效提高多媒体数据流在嵌入式系统上传输的效率和稳定性, 避免网络拥塞. 同时, 针对不同的传输环境,对改进后的TCP/IP轻量级协议栈进行了效率和稳定性的测试, 测试结果表明, 经优化后的协议栈在不同的网络拥塞可以保持正常工作.
Abstract:This paper proposes a zero-copy packet loss recovery mechanism on light weight TCP/IP stack. Meanwhile, a new Persistent Timer especially for multimedia streaming is also described. With these two mechanisms, the multimedia streaming transmission could work more effectively and stably on embedded system, avoiding the network congestion. Besides that, an efficiency and stability test is proposed for this improved light weight TCP stack under various transmission situations. Experimental results show that the optimizated light weight TCP/IP stack could keep working under different network congestion.
keywords: packet loss recovery persistent timer multimedia streaming embedded system light weight protocol stack
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陈慕,曾培峰.多媒体流的轻量级TCP/IP协议栈的优化.计算机系统应用,2015,24(4):159-163
CHEN Mu,ZENG Pei-Feng.Optimization Technology for Light Weight TCP/IP Stack Based on Multimedia Streaming.COMPUTER SYSTEMS APPLICATIONS,2015,24(4):159-163
陈慕,曾培峰.多媒体流的轻量级TCP/IP协议栈的优化.计算机系统应用,2015,24(4):159-163
CHEN Mu,ZENG Pei-Feng.Optimization Technology for Light Weight TCP/IP Stack Based on Multimedia Streaming.COMPUTER SYSTEMS APPLICATIONS,2015,24(4):159-163
