Evolution and Challenges of Software Defined Networking

Ángel Leonardo Valdivieso Caraguay, Lorena Isabel Barona López, L. J. García Villalba
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引用次数: 39

Abstract

Software Defined Networking (SDN) proposes the separation of the control plane from the data plane in network nodes. Furthermore, Openflow architecture through a centralized control of the packet forwarding engines enables the network administrators to literally program the network behavior. The research and results of experiments show clear advantages over traditional network architectures. However, there are open questions to be solved in order to integrate SDN infrastructure and applications in production networks. This paper presents an analysis of the evolution of SDN in recent years. Additionally, this piece of work also describes some interesting SDN/Openflow research initiatives and applications. Finally, there is a disscussion on the main challenges of this new technology.
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软件定义网络的发展和挑战
软件定义网络(SDN)提出了网络节点中控制平面与数据平面的分离。此外,Openflow架构通过对数据包转发引擎的集中控制,使网络管理员能够对网络行为进行编程。研究和实验结果表明,与传统的网络架构相比,该架构具有明显的优势。然而,为了在生产网络中集成SDN基础设施和应用,还有一些悬而未决的问题需要解决。本文对近年来SDN的发展进行了分析。此外,这篇文章还描述了一些有趣的SDN/Openflow研究计划和应用。最后,对这项新技术的主要挑战进行了讨论。
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