A New Mechanism of QoS Dynamic Evaluation in Real-time Media Multipath Transmission

2012 Third International Conference on Networking and Distributed Computing Pub Date : 2012-10-21 DOI:10.1109/ICNDC.2012.31

Chen Xiao, Lei Weimin, Zhang Wei, Li Manpo

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Abstract

Multipath transmission is the important way to increase the efficiency and reliability of network transmission. Along with the development of overlay network, multi-homed host et al, multipath transmission control becomes the hot spot of network transmission technology research gradually. As the base of path choice and switching in multipath transmission, real-time evaluation of path QoS is a key problem. The paper presents a new evaluation mechanism of path QoS in the realtime media multipath transmission. The mechanism synthesizes the advantages of "Statistic analysis mechanism has comprehensive evaluation parameters." and "Dynamic evaluation mechanism feeds back path QoS quickly." The backup path in transmission path collection is used to transmit QoS evaluation report for enhancing mechanism robustness and backup path keep-live. The simulation results show the new mechanism can judge path QoS accurately and quickly. It also supports path choice and switching efficiently, and then heightens the efficiency of multipath transmission.

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实时媒体多径传输中QoS动态评价新机制

多径传输是提高网络传输效率和可靠性的重要途径。随着覆盖网络、多主主机等技术的发展，多路径传输控制逐渐成为网络传输技术研究的热点。作为多径传输中路径选择和交换的基础，路径QoS的实时评估是一个关键问题。提出了一种新的实时媒体多径传输路径QoS评价机制。该机制综合了“统计分析机制具有全面的评价参数”和“动态评价机制快速反馈路径QoS”的优点。利用传输路径采集中的备份路径传输QoS评估报告，增强了机制的鲁棒性和备份路径的保存性。仿真结果表明，该机制能够准确、快速地判断路径QoS。它还支持高效的路径选择和切换，从而提高了多径传输的效率。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2012 Third International Conference on Networking and Distributed Computing

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