A parallel discrete event IP network emulator
A parallel discrete event IP network emulator
复制标题
并行离散事件IP网络仿真器
DOI：
10.1109/mascot.2000.876554
复制
发表时间：
2000
期刊：
影响因子：
--
通讯作者：
B. Unger
中科院分区：
文献类型：
--
作者：
R. Bradford;R. Simmonds;B. Unger
在互联网上测试分布式应用程序充满了问题：由于无法控制广域网一致，可重复的性能实验是不可能的。描述了一种使用并行离散事件仿真器的系统，该并行离散事件仿真器可以充当实时网络仿真器。由运行在用户工作站上的应用程序生成的真实的因特网协议（IP）通信量可以与仿真器中的建模通信量交互，从而为分布式应用提供受控的测试环境。并行执行使仿真器能够模拟大型虚拟网络，并对无法实时顺序完成的流量交互进行建模。本文概述了仿真器，并探讨了仿真器支持的各种外部数据路由方法。这些路由方法允许仿真器在具有某些约束的共享环境中以及在专用测试环境中操作。包括初步的性能结果。
Testing distributed applications over the Internet is fraught with problems: due to the inability to control a wide area network consistent, reproducible performance experiments are not possible. A system is described that uses a parallel discrete event simulator that can act as a real-time network emulator. Real Internet Protocol (IP) traffic generated by application programs running on user workstations can interact with modelled traffic in the emulator; thus providing a controlled test environment for distributed applications. Parallel execution enables the emulator to simulate large virtual networks and to model traffic interactions that could not be done in real-time sequentially. This paper gives an overview of the emulator and explores the various external data routing methods that the emulator supports. These routing methods allow the emulator to be operated in shared environments with certain constraints, as well as in dedicated test environments. Preliminary performance results are included.