| 以太网的时钟同步技术 |
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| 引用本文： | 王晓冬,阚德涛,张志武.以太网的时钟同步技术[J].电子工程师,2008,34(9):47-50. |
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| 作者姓名： | 王晓冬 阚德涛 张志武 |
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| 作者单位： | 南京邮电大学,江苏省南京市,210003 |
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| 摘 要： | 随着分散控制的发展和系统范围的扩大，通过网络联系的分散控制节点之间的时间同步技术变得越来越重要。同步技术相当于一个网络系统的心脏，它为该系统中的每个模块传送正确的时钟信号。分析了目前以太网应用中的3类时钟同步协议：IEEE1588、NTP（网络时间协议）及SNTP（简单网络时间协议），具体说明了IEEE1588、NTP及SNTP的基本原理，并对3类协议进行了简要的对比分析。
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| 关 键 词： | 以太网 时钟同步 IEEE 1588 PTP SNTP |
Time Synchronization in Ethernet |
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| WANG Xiaodong,KAN Detao,ZHANG Zhiwu.Time Synchronization in Ethernet[J].Electronic Engineer,2008,34(9):47-50. |
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| Authors: | WANG Xiaodong KAN Detao ZHANG Zhiwu |
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| Affiliation: | (Nanjing University of Posts and Telecommunications, Nanjing 210003, China) |
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| Abstract: | At present the system scale is unprecedentedly large in the developed countries, Time Synchronization Technology in the distributed control nodes of the network becomes more and more important when distributed control developes and system scale enlarges. Synchronization is the heart of one network system, it provides accurate clock signal for the modules in the system. This paper analyzes three time synchronization protocols in present ethernet, which are IEEE 1588, NTP and SNTP, and explains the basic theory of these protocols and makes simple comparison among them. |
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| Keywords: | IEEE 1588 PTP SNTP |
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