Comparing OpenFlow and NETCONF when interconnecting data centers

T. Kunz, K. Muthukumar
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引用次数: 4

Abstract

SDN technology has been applied to a range of different networks, ranging from Ethernet services to large cloud environments. More recently, interest has turned towards extending programmability of Optical Transport Networks (OTN). In the SDN architecture, SBIs are used to communicate between the SDN controller and the switches or routers in the network. In this paper, we deploy OpenFlow and NETCONF as SBIs in managing BoD across interconnected data centers over OTN. More specifically, we use these protocols to communicate between an OpenDayLight controller and two BTI7800 network elements that interconnect the data centers. We present experimental results for both BTI's YANG-based NETCONF implementation and our port of OpenFlow for a number of use cases. Our results show that NETCONF is faster and requires fewer control message. However, OpenFlow offers better bandwidth utilization over the interconnecting link.
数据中心对接时OpenFlow和NETCONF的对比
SDN技术已经应用于一系列不同的网络,从以太网服务到大型云环境。最近,人们的兴趣转向了扩展光传输网络(OTN)的可编程性。在SDN架构中,sbi用于SDN控制器与网络中的交换机或路由器之间的通信。在本文中,我们部署OpenFlow和NETCONF作为sbi来管理跨OTN互连数据中心的BoD。更具体地说,我们使用这些协议在OpenDayLight控制器和两个连接数据中心的BTI7800网络元素之间进行通信。我们给出了BTI基于yang的NETCONF实现和我们的OpenFlow端口的实验结果,用于许多用例。我们的结果表明,NETCONF更快,需要更少的控制消息。然而,OpenFlow在互连链路上提供了更好的带宽利用率。
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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