针对端对端的实时网络控制系统,提出一种端对端时钟同步算法ETSA(End-to-end Time Synchronizaiton Algorithm).本文提出的时钟同步算法采用一种新的时钟同步原理,通过TCP/IP协议,能够达到较高的时钟同步精度,同时实现起来简单、便捷.理论分析和网络实验验证了所提时钟同步算法的有效性。
An ETSA (End-to-end Time Synchronization Algorithm) is presented for end-to-end real-time control systems over Internet. Using a new time synchronization principle, the proposed ETSA achieves high clock synchronized accuracy through TCP/IP protocol, and it can be implemented simply and easily. Theoretical analysis and experiments through Internet validate the usefulness and effectiveness of the presented algorithm.