Utilising SDN to Counter BGP Convergence Delays

2019 29th International Telecommunication Networks and Applications Conference (ITNAC) Pub Date : 2019-11-01 DOI:10.1109/ITNAC46935.2019.9078017

H. Alotaibi, Shuo Li, M. Gregory

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引用次数: 4

Abstract

Software Defined Networking (SDN) is a new paradigm for the control and management of computer networks and it is now a focus for research and industrial development. SDN revolutionizes network operation, design, and management through centralized control, abstractions, flexibility and programmability. In multi-domain SDN, domains are connected using the Border Gateway Protocol (BGP) to exchange routing and path information among the domains or different autonomous systems. BGP is a long-established protocol that has remained fairly static over time. BGP suffers from a high convergence time when updates are made, and this is detrimental to the flexible operation of modern IP networks. In this paper, we investigate how the SDN paradigm could be applied to improve multi-domain SDN traffic control and management mechanism. Research into a new multi-state BGP engine is introduced that reduces the high BGP convergence time in multi-domain SDN. Improvements to BGP operation that contribute to its integration in future SDN-based flexible and programmatic networking is an important outcome.

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利用SDN对抗BGP收敛延迟

软件定义网络(SDN)是计算机网络控制和管理的一种新范式，是目前研究和工业发展的热点。SDN通过集中控制、抽象、灵活性和可编程性彻底改变了网络的操作、设计和管理。在多域SDN中，域之间通过边界网关协议BGP (Border Gateway Protocol)连接，在域之间或不同自治系统之间交换路由和路径信息。BGP是一个建立已久的协议，随着时间的推移一直保持相当的静态。BGP在更新时收敛时间过长，不利于现代IP网络的灵活运行。在本文中，我们研究了如何应用SDN范式来改进多域SDN流量控制和管理机制。研究了一种新的多状态BGP引擎，以降低多域SDN中BGP的高收敛时间。对BGP操作的改进，有助于其在未来基于sdn的灵活、程序化网络中的集成，是一个重要的成果。

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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来源期刊

2019 29th International Telecommunication Networks and Applications Conference (ITNAC)

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