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虽然当前有多种路由实验手段,但是都不能很好的满足研究人员的需求.而OpenFlow作为一个新兴的技术,它将网络的数据转发功能和逻辑控制功能分离开来,使得网络能够实现充分的可编程性.因此,科研人员开始研究以OpenFlow网络为基础开展网络实验.本文提出了一种基于OpenFlow技术的路由实验方法:用开源的网络模拟软件mininet模拟网络拓扑,用控制器控制流量的转发逻辑以达到实验目的.借助于开源的RouteFlow控制器平台,将路由的逻辑控制转移到通用的虚拟的计算环境中,使得模拟的OpenFlow网络具备路由转发功能.本文也搭建了的原型系统,证明了这种解决方案的可行性,为后期的实验工作提供了参考.
Although there are many routing experiments, they are not enough to meet the needs of researchers.As an emerging technology, OpenFlow separates the data forwarding function of the network from the logic control function so that the network can achieve sufficient Programmability Therefore, researchers began to study network experiments based on OpenFlow network.This paper presents a routing experiment method based on OpenFlow technology: simulate network topology with mininet, an open source network simulation software, and use controller to control the forwarding of traffic Logic to achieve the purpose of experiment.With the help of open source RouteFlow controller platform, the routing logic control will be transferred to a common virtual computing environment, making the simulated OpenFlow network with routing and forwarding functions.This paper also builds a prototype system that proves The feasibility of this solution provides a reference for the later experimental work.