| 一种提高UDP可靠性的数据传输方法研究 |
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| 引用本文： | 李国,巩光志,王冬冬. 一种提高UDP可靠性的数据传输方法研究[J]. 中国民航学院学报, 2012, 0(1): 41-45 |
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| 作者姓名： | 李国 巩光志 王冬冬 |
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| 作者单位： | [1]中国民航大学计算机学院,天津300300 [2]中国民航大学航空自动化学院,天津300300 |
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| 基金项目： | 基金项目：国家自然科学基金项目（60879015）;中圉民用航空局科技基金项目（MHRD201006） |
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| 摘 要： | 针对传统的UDP协议数据传输效率高但可靠性差的特点，提出了一种基于分区确认的分包与重组方法，使用自适应拥塞控制机制，并提出乘性增加减性减少（multiplicative increase reduced decrease，MIRD）算法对超时间隔进行处理，实现了音频数据的实时可靠传输，满足了特定场合下大量数据的传输实时性强和可靠性高的要求，提高了带宽利用的公平性和稳定性，拓展了UDP协议的使用范围。实验验证了该方法的可行性．音频数据传输的可靠性得到了提高。
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| 关 键 词： | UDP 可靠传输 分区确认 拥塞控制 MIRD |
Research and achievement of way to improve data transmission reliability of UDP |
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| LI Guo,GONG Guang-zhi,WANG Dong-dong. Research and achievement of way to improve data transmission reliability of UDP[J]. Journal of Civil Aviation University of China, 2012, 0(1): 41-45 |
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| Authors: | LI Guo GONG Guang-zhi WANG Dong-dong |
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| Affiliation: | (a. College of Computer Science ＆ Technology ; b. A eronautical Automation College, CA UC, Tianjin 300300, China) |
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| Abstract: | A section-partition-based method for packet partitioning and restructuring is proposed, aiming at meeting the rigorous requirement of transmitting a great abundance of data reliably and real-timely in some specific situation in that the traditional UDP protocol has high efficiency but poor reliability.The time linit can be reset by adaptive congestion control algorithm of MIRD （Multiplicative Increase Reduced Decrease） by which the data can be transmitted reliably and also the fairness and stability of the bandwidth utilization can be improved. The method is validated to improve the reliability of the audio data transmission by the experiment. |
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| Keywords: | UDP reliable transmission section-partition-based recognition congestion control MIRD |
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