| 基于UDP传输协议的包丢失和失序处理 |
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| 引用本文： | 鲁宏伟. 基于UDP传输协议的包丢失和失序处理[J]. 计算机工程与应用, 2001, 37(2): 48-49 |
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| 作者姓名： | 鲁宏伟 |
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| 作者单位： | 华中理工大学计算机学院 |
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| 基金项目： | 华中理工大学计算机学院青年基金资助。 |
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| 摘 要： | UDP是互联网上多媒体数据传输采用的主要传输协议。其主要特点是网络开销低但传输不可靠,易产生包丢失或失序。为了对失序数据包进行重排序,应用程序需要预留一个适当的缓冲区以存储期望包到达之前的数据包。该文分析了数据包丢失或失序情况下,缓冲区大小对系统性能的影响,给出了缓冲区大小的一个估计值,并对失序或数据包丢失情况下数据处理的策略进行了讨论。
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| 关 键 词： | UDP协议 包丢失 失序 |
| 修稿时间： | 2000-01-01 |
How to Process the PacketLost and Out-of -Order Based on UDP Transport Protocol |
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| Lu Hongwei. How to Process the PacketLost and Out-of -Order Based on UDP Transport Protocol[J]. Computer Engineering and Applications, 2001, 37(2): 48-49 |
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| Authors: | Lu Hongwei |
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| Abstract: | UDP is a mainly used transport protocol for multimedia data transport in Internet.It is low overhead for network resource but unreliable such that transport packets are easily lost and out of order.To rearrange the out of order packets,the application software must reserve a buffer to store the packets before the expected packet arrives.This paper analyses how the size of the buffer determines the performance of the system,and gives an estimation of the size of the buffer as well as the method to process the lost and out of order packets is discussed. |
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