在核电站的光纤通信网络中,冗余设计能保障系统可靠性和数据传输稳定性.软件定义网络(Software Defined Network,SDN)技术将控制平面与数据平面分离,提供了高度灵活的网络管理能力.深入探讨了SDN技术在核电站冗余光纤通信网络中的应用,阐述SDN技术的基本原理,并设计核电站光纤通信组网方案.同时,详细分析了OpenFlow交换机结构、简单网络管理协议(Simple Network Management Protocol,SNMP)以及集群技术SDN控制方案对网络性能的影响.最后,通过实验验证基于SDN技术的网络在故障恢复、流量调度、资源利用方面的优势.
Design of Redundant Optical Fiber Communication Network for Nuclear Power Plants Based on SDN Technology
In the optical fiber communication network of nuclear power plant,redundancy design can ensure the system reliability and data transmission stability.Software Defined Network(SDN)technology separates the control plane from the data plane,which provides a highly flexible network management capability.The application of SDN technology in redundant optical fiber communication network of nuclear power plant is deeply discussed,the basic principle of SDN technology is expounded,and the optical fiber communication networking scheme of nuclear power plant is designed.At the same time,the influence of OpenFlow switch structure,Simple Network Management Protocol(SNMP)and SDN control scheme of cluster technology on network performance is analyzed in detail.Finally,the advantages of the network based on SDN technology in fault recovery,traffic scheduling and resource utilization are verified by experiments.
Software Defined Network(SDN)technologyredundant optical fiber communication for nuclear power plantsnetwork fault recovery