基于虚拟化的移动无线网络仿真与实验平台

Simulation and Experimental Platform of Mobile Wireless Networks Based on the Virtualization Technology

移动无线网络是电子信息专业的重要教学内容,大规模移动无线网络的实验需要大量硬件设施的支持,为高等院校带来较大的经济负担,为此设计了基于虚拟化的大规模移动无线网络仿真与实验平台。该平台采用了虚拟化技术,采用系统的进程仿真设备,每个虚拟机可支持若干个进程,一台物理主机可仿真大量的网络设备。用户可定制网络拓扑的结构与网络连接的参数,这为实验室的课程提供了丰富的选择。此外,虚拟网络设备具有动态地接入、退出网络的功能,由此实现了移动无线网络的仿真要求。结果显示,本仿真平台能够准确地仿真移动网络与静态网络的行为,解决了实验室硬件资源的限制问题。

Mobile wireless network is an important part of educations of electronic and information engineering,and the experiments of large scale mobile wireless networks consist of many hardware resources,it is a big economy burden for colleges and universities.A simulation and experimental platform of mobile wireless network based on the virtualization technology is proposed to resolve the problem,virtualization technology is adopted.The processes are used to simulate network devices,and each virtual machine supports several processes,so that a physical host can simulate a big amount of network devices.The structure of network topology and the parameters of network linkage can be customized by user,so that it provides rich choices for experimental lessons.Besides,the virtual network devices can join or leave the network topology dynamically,it satisfies the simulation demand of mobile wireless networks.Results verified and analyzed by two groups of network experiments show that the proposed simulation platform performs an accurate simulation to mobile networks and static networks,and it resolves the problem of limited hard resources of laboratory.