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在高速公路联网收费系统中,由于各种收费业务管理的需求,保持系统内各计算机之间的时间同步非常重要。在研究收费系统网络内部时间同步体系结构的基础上,本文介绍了几种比较实用的计算机时间同步方法,对每种方法的适用条件和优缺点进行了分析,并根据高速公路收费系统工程实际应用的需要推荐两种简便可靠的方法,对于其他有时间同步要求的计算机网络和系统应用也同样具有参考价值。
In highway toll collection systems, because of the demands of various toll collection services, it is important to keep the time synchronization between computers in the system. On the basis of researching the internal time synchronization architecture of the charging system network, this paper introduces several practical computer time synchronization methods, analyzes the applicable conditions and advantages and disadvantages of each method, and according to the practical application of highway toll system engineering The need to recommend two simple and reliable method for other computer networks and systems with time synchronization requirements also have reference value.