Towards a detailed OpenFlow emulator

2015 17th Asia-Pacific Network Operations and Management Symposium (APNOMS) Pub Date : 2015-08-01 DOI:10.1109/APNOMS.2015.7275414

Y. Cheng, D. Huang, Cheng-Lin Lee, Mu-Che Lee, Bo-Wei Chuang, Meng-Chen Tsai, Xin Huang, Cheng-Hsin Hsu

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引用次数: 3

Abstract

Software-Defined Networking (SDN) is an emerging network architecture that enables network programmability. Recent research activities on SDN make it important to develop an emulator that accurately emulates OpenFlow-enabled SDN networks. However, existing emulators and simulators focus on either data plane performance or software switches. This motivates us to develop a network emulator that provides accurate emulation on both control plane and data plane performance of an OpenFlow network and supports all types of OpenFlow switches. In this paper, we design a configurable emulator that allows users to input configurations and performance characteristics of different OpenFlow switches. Based on the performance measurement results from OpenFlow switches, we derive the configurable parameters and propose an accurate control plane performance model. Our implementation is based on a popular opensource OpenFlow emulator, Mininet with OpenvSwitch (OVS). The evaluation results show that the emulator we developed provides better performance fidelity than original Mininet/OVS.

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一个详细的OpenFlow仿真器

软件定义网络(SDN)是一种新兴的网络体系结构，它使网络具有可编程性。最近关于SDN的研究活动使得开发一个能够准确模拟openflow支持的SDN网络的仿真器变得非常重要。然而，现有的仿真器和模拟器要么关注数据平面性能，要么关注软件交换。这促使我们开发一个网络仿真器，提供对OpenFlow网络的控制平面和数据平面性能的精确仿真，并支持所有类型的OpenFlow交换机。在本文中，我们设计了一个可配置仿真器，允许用户输入不同OpenFlow交换机的配置和性能特征。基于OpenFlow交换机的性能测量结果，导出了可配置参数，并提出了精确的控制平面性能模型。我们的实现是基于一个流行的开源OpenFlow模拟器，Mininet与OpenvSwitch (OVS)。仿真结果表明，所开发的仿真器比原来的Mininet/OVS具有更好的性能保真度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2015 17th Asia-Pacific Network Operations and Management Symposium (APNOMS)

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