软件定义网络(SDN)架构下的网络管理与优化研究

Research on network management and optimization in software defined network(SDN)architecture

主要研究软件定义网络(SDN)架构下的网络管理与优化技术。首先,介绍SDN网络的基本原理和架构组成部分,以及网络管理和控制过程。然后,详细阐述SDN网络的监控、配置、故障处理、安全技术,以及性能优化、负载均衡、服务质量保证、能源管理等优化技术。接着,探讨SDN网络管理与优化在数据中心、车联网、5G和物联网等领域的应用,并介绍实验与验证的环境和方法,使用SDN仿真软件Mininet构建SDN网络拓扑,模拟网络流量、网络攻击和网络负载等场景,评估SDN网络并分析实验结果。最后,总结SDN网络管理与优化的研究成果和不足,并展望未来发展趋势。

Focusing on network management and optimization techniques in software-defined network(SDN)architecture.First,the basic principles and architectural components of SDN networks,as well as network management and control processes are introduced.Then,the monitoring,configuration,fault handling,and security techniques of SDN networks,as well as the optimiza-tion techniques such as performance optimization,load balancing,quality of service assurance,and energy management are elabo-rated.Then,the applications of SDN network management and optimization in data centers,Telematics,5G and IoT are discussed,and the environment and methods of experiments and validation are introduced,using SDN simulation software Mininet to build SDN network topology,simulate network traffic,network attacks,network load,and other scenarios,evaluate SDN networks and the experimental results are analyzed.Finally,the research results and shortcomings of SDN network management and optimization are summarized,and the future development trends are foreseen.