基于网络拓扑的SDN控制器比较

Jellalah Alzarog, Abdalwart Almhishi, Abubaker Alsunousi, Abdulwahed Elasaifer, Wisam Eltarjaman, Salem Sati
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引用次数: 1

摘要

随着web应用的快速发展,需要智能的网络架构,实现高效、动态的网络配置,提高网络的管理、安全性和性能。这个问题的一个解决方案是软件定义网络(SDN)堆栈,它允许对网络进行可编程配置。将标准TCP/IP网络中的数据平面(数据包转发)与控制平面(路由过程)解耦描述了SDN的基本思想。SDN的主要组成部分称为控制器。各种控制器可以在SDN上工作,例如泛光灯,开放日灯,RYU和POX。控制器的最佳性能取决于正在运行的应用程序,因为每个应用程序可能有不同于其他应用程序的需求。在本文中,我们比较了POX和RYU控制器对SDN性能的影响。我们选择这两个控制器,首先是因为它们是开源的,通常用于SDN网络性能研究,其次是因为它们使用了一个干净方便的基于python的配置环境。我们使用开源仿真器Mininet在各种网络拓扑上进行实验。我们发现RYU控制器在大多数模拟场景中都优于POX。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
SDN Controllers Comparison Based On Network Topology
The rapid growth of web applications requires an intelligent network architecture that enables efficient and dynamic network configuration to improve its management, security, and performance. One solution to this problem is Software Defined Network (SDN) stack, which allows programmable configuration for the network. Decoupling the data plane (packet forwarding) from the control plane (routing process) in the standard TCP/IP networks depicts the basic idea of SDN. The main component of the SDN is called a controller. Various controllers can work on SDN, e.g., Floodlight, Open Day Light, RYU, and POX. Controllers perform best depending on the application running because each application can have different requirements from other applications. In this paper, we compare the POX and RYU controllers in terms of their impact on SDN performance. We chose these two controllers, first, because they are open-source and commonly used for SDN network performance studies, and second, because they use a clean and convenient python based configuration environment. We used the open-source emulator Mininet to conduct our experiments on various network topologies. We find that the RYU controller outperforms the POX in most simulated scenarios.
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