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油气管道SCADA系统高可靠冗余网络设计与实现
Design and implementation of high-reliability redundant network for SCADA system of oil and gas pipeline
SCADA system
; network; high-reliability; redundant目前对SCADA系统的研究多集中于工程应用、软件架构设计、通信协议的数据传输和处理,对大型油气管道SCADA系统网络的应用与研究涉及较少,现有的SCADA系统网络研究成果不能满足生产调度业务数据网络传输的高质量、高可靠冗余要求,为此,设计了一种适用于大型SCADA系统的高可靠冗余网络架构,其设计思想是分层的架构设计、各层设备冗余和各设备之间链路冗余。根据PVST+生成树、HSRP、EIGRP、BGP、路由映射表等协议的算法特点,在各层网络组合使用上述协议,从而确保油气管道生产业务数据网络传输连续不中断,同时实现站场与调度控制中心之间的生产数据根据链路情况自动选择最佳路径进行传输,满足了油气管道调度运行对生产数据网络传输的业务需求。
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