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首页> 外文期刊>International journal of ad hoc and ubiquitous computing >An optimisation framework for monitoring of SDN/OpenFlow networks
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An optimisation framework for monitoring of SDN/OpenFlow networks

机译:用于监视SDN / OpenFlow网络的优化框架

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摘要

The centralised control of the network and the separation of data and control planes proposed by software defined networking (SDN) have changed the rigid, static, and complex nature of the networks. The decisions taken by the control plane depends on the accuracy of the monitored information on network performance and detection of network events (link failure, delay, loss, network overhead). However, the monitoring information is typically provided by external network monitoring solutions which require the installation of specialised (and costly) equipment. This work proposes an efficient SDN monitoring framework using the OpenFlow protocol. Moreover, the pluggable architecture enables the creation, updating and customisation of high level metrics as well as the orchestrator balancing the monitoring tasks and offering an adaptive method of polling information requests. The implementation of network performance metrics and the results of experiments using video streaming traffic demonstrate the effectiveness of the framework.
机译:软件定义网络(SDN)提出的网络集中控制以及数据和控制平面的分离已改变了网络的刚性,静态和复杂性。控制平面做出的决定取决于有关网络性能和网络事件(链路故障,延迟,丢失,网络开销)的检测信息的准确性。但是,监视信息通常由外部网络监视解决方案提供,这需要安装专用(且昂贵)的设备。这项工作提出了使用OpenFlow协议的高效SDN监视框架。此外,可插入体系结构使高级指标的创建,更新和自定义以及协调器能够平衡监视任务并提供一种轮询信息请求的自适应方法。网络性能指标的实施以及使用视频流流量的实验结果证明了该框架的有效性。

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