【摘要】 介绍了舰用计算机局部网络通信协议的设计,重点描述了设计中为提高实时性和可靠性所采用的一些具体技术措施,其中包括:简化ISO/OSI—RM 参考模型,并与IEEE8024标准协议兼容,采用VLSI 技术设计网络接口卡。同时,对其中一些关键技术,如逻辑环的建立与维护、信息的优先级发送与实时响应、数据缓冲区的结构与管理都作了说明。更多还原

【Abstract】 This paper discribes a kind of Local Area Network(LAN)protocol for real time system on warship environment.The key techniqu-es for real time are discribed,such as simplifying ISO/OSI-RM and com-patible with IEEE802.4,using VLSI for hardware design;introducingsoftware design in details.Meanwhile,the main techniques used in the design,such as setting up and maintenance of the logical ring,priority accessingto the network,real time response,the data buffer structure and manage-ment are discribed.更多还原