大规模 IP网络仿真试验环境构建方法*

摘要

针对网络化信息系统研发、测试、评估和训练过程中对大规模 IP 网络仿真试验环境的需求，描述了目前主流的大规模 IP 网络试验环境，分析了关键技术和优缺点，提出了基于操作系统虚拟化和软路由技术的大规模 IP 网络仿真试验环境构建方法，并构建了原型系统，试验验证了各项网络指标和性能。%According to the requirements of large-scale IP network environment for network-cen-tered information system development,testing,evaluation,and training,popular large-scale IP network test beds are described.Critical technologies of these test beds,including their advan-tages and disadvantages,are analyzed.The system building methods are proposed based on oper-ational system virtualization and software router technologies.The prototype system is built.Fi-nally,network indices and performances are tested and analyzed.