Mininet和OpenDaylight下基于哈希存储的SDN链路故障检测设计
首发时间:2021-01-14
摘要:在网络业务不断多元化的今天,网络故障会极大降低用户体验甚至给企业和社会带来巨大的经济损失,而故障检测是解决网络故障的第一步。为了解决目前SDN故障检测中存在的问题和缺陷,提出了一种基于哈希存储的链路故障检测方案,利用 SDN 具有集中式控制和可编程的特点,通过获取网络拓扑信息,设计基于哈希的存储结构并提出基于哈希的故障检测算法对故障进行检测。在Ubuntu16.04操作系统的虚拟机中配置的Mininet和OpenDaylight环境下基于上述算法进行实验,实验结果表明该方案可以快速检测网络故障的类型并对故障源头进行定位及反馈,对提高网络故障检测速度并促进网络故障及时得到解决具有很重要的现实意义。
关键词: 信息与通信工程 SDN链路故障检测 Mininet OpenDaylight 哈希存储
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Design of SDN Link Fault Detection Based on Hash Storage in Mininet and OpenDaylight
Abstract:With the diversification of network business, network fault will greatly reduce user experience and even bring huge economic loss to enterprises and society. Fault detection is the first step to solve network failure. In this paper, in order to solve the problems and defects in the current SDN fault detection, this paper proposes a link fault detection scheme based on Hash storage. Taking advantage of the centralized control and programmable characteristics of SDN, the hash based storage structure is designed by obtaining the network topology information, and a fault detection algorithm based on hash is proposed to detect the fault. In the environment of mininet and opendaylight configured in the virtual machine of ubuntu16.04 operating system, experiments are carried out based on the above algorithm. The experimental results show that the scheme can quickly detect the type of network fault and locate and feed back the source of the fault. It is of great practical significance to improve the speed of network fault detection and promote the network fault to be solved in time.
Keywords: Information and Communication Engineering SDN link fault detection Mininet OpenDaylight Hash Storage
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