| 基于NAK压缩的可靠组播协议研究 |
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| 引用本文： | 陈冬梅,张维勇,马学森. 基于NAK压缩的可靠组播协议研究[J]. 合肥工业大学学报(自然科学版), 2009, 32(11) |
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| 作者姓名： | 陈冬梅 张维勇 马学森 |
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| 作者单位： | 合肥工业大学,安全关键工业测控技术教育部工程研究中心,安徽,合肥,230009;合肥工业大学,安全关键工业测控技术教育部工程研究中心,安徽,合肥,230009;合肥工业大学,安全关键工业测控技术教育部工程研究中心,安徽,合肥,230009 |
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| 基金项目： | 安徽省2007年度重点科研计划资助项目 |
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| 摘 要： | 随着组播应用范围的不断扩大,人们对组播的可靠性尤其在应用于不稳定的无线网络时有了更高的要求,提出了基于否定确认(NAK) 的可靠组播传输协议.文章在分析典型的组播网络系统模型的基础上,对基于NAK的可靠组播传输协议进行了改进;通过NS仿真结果证明,改进的协议有效压缩了NAK,减少了所需带宽,增强了系统的实时性和可扩展性,并提高了组播的可靠性.
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| 关 键 词： | 可靠组播 反馈控制 NAK压缩 |
Research on the NAK-compression-based reliable multicast protocol |
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| CHEN Dong-mei,ZHANG Wei-yong,MA Xue-sen. Research on the NAK-compression-based reliable multicast protocol[J]. Journal of Hefei University of Technology(Natural Science), 2009, 32(11) |
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| Authors: | CHEN Dong-mei ZHANG Wei-yong MA Xue-sen |
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| Abstract: | With the expanding of the scope of the multicast application, people have a higher demand in the reliability of multicast applications, especially in the unstable wireless network, and a reliable multicast transport protocol based on the negative acknowledgement(NAK) has been put forth. The paper improves the NAK-based reliable multicast transport protocol based on the analysis of the typical multicast network model. The improved protocol compresses the NAK effectively, reduces the required bandwidth, enhances the real-time property and scalability of the systems, and improves the reliability of the multicast,which can be proved by the results of the NS simulation. |
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| Keywords: | reliable multicast feedback control NAK compression |
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