The working mechanism,operating condition,data dissemination ways,deployment setting of LDM were introduced and it was compared with domestic communication software 9120.The advantages,disadvantages and applicability of these softwares were analyzed.The event-driving of LDM and superiority of multithreading mechanism for meteorological data sharing were pointed out.Finally,some advices for the applicability of this software were given to reasonably build computer systems for shared service and achieve data exchange of network data for sharing.%对LDM软件的工作机制、运行状态、数据分发方式、安装部署等进行了介绍,并与国内通信软件9120进行了对比,分析各软件的优缺点及适用范围,指出LDM的事件驱动及多线程机制对于气象数据共享的优越性,最后对该软件用于合理构建面向共享服务的计算机系统和实现网络数据交换共享时的适用范围提出了一些建议.
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