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本文讨论了适用舰船指挥自动化的局部网络协议的选择。详细地介绍了本研究所完成的网络接口卡的硬件设计思想及低层协议支持软件的设计。介绍了设计中提出的双缓冲区设置、无空缓冲区询问及逻辑环的建立和维护等新的设计思想。最后,简要地介绍了所采用协议的实际传输速率及网络延迟的计算方法。
This article discusses the selection of local network protocols for ship command automation. The hardware design idea of the network interface card and the design of the lower protocol support software are introduced in detail. Introduced the design of the double buffer settings, no buffer inquiry and the establishment and maintenance of the logical ring and other new design ideas. Finally, a brief description of the actual transfer rate of the protocol used and the calculation of the network delay is given.