网络损伤模拟环境的设计与实现

摘要

To solve the problems of high cost and incomplete network impairment types in local area network,a network impairment simulation environment was designed and implemented.The network impairment types were studied,and the idea of system construction based on simulation network was proposed.The function of network simulation environment framework and network impairment plug-in set were designed.Through the integration of open source software,the network simulation environment framework,and a part of the network impairment plug-in were realized.The network background traffic and other network impairment plug-in were developed,and the command analysis,signal generator and other modules,and some jitter parameter model's algorithm were designed and implemented.The accuracy and effectiveness of the environment were verified by the application.%为解决局域网环境下模拟网络损伤的成本高、类型不完整等问题,设计并实现一个网络损伤模拟环境.对网络损伤类型进行研究,提出基于模拟网络的系统建设思路,设计网络模拟环境框架、网络损伤插件集的功能;通过集成开源软件,实现网络模拟环境框架以及部分网络损伤插件;补充研制背景流量等网络损伤插件,设计并实现命令解析、信号发生器等主要模块,以及多个参数抖动模型的算法.结合实例初步验证了该环境的准确性与有效性.