Toward highly available and scalable software defined networks for service providers

Dongeun Suh, Seokwon Jang, Sol Han, Sangheon Pack, Myung Sup Kim, Taehong Kim, Chang Gyu Lim

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Software-defined networking is moving from its initial deployment in small-scale data center networks to large-scale carrier-grade networks. In such environments, high availability and scalability are two of the most prominent issues, and thus extensive work is ongoing. In this article, we first review the state of the art on high availability and scalability issues in SDN and investigate relevant open source activities. In particular, two well-known open source projects, OpenDaylight (ODL) and Open Network Operating System (ONOS), are analyzed in terms of high availability (i.e., network state database replication/synchronization and controller failover mechanisms) and scalability (i.e., network state database partition/ distribution and controller assignment mechanisms) issues. We also present experimental results on the flow rule installation/read throughput and the failover time upon a controller failure in ONOS and ODL, and identify open research challenges.

Original languageEnglish
Article number7901484
Pages (from-to)100-107
Number of pages8
JournalIEEE Communications Magazine
Volume55
Issue number4
DOIs
Publication statusPublished - 2017

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Scalability
Availability
Controllers
Synchronization
Throughput
Software defined networking

ASJC Scopus subject areas

  • Computer Science Applications
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

Toward highly available and scalable software defined networks for service providers. / Suh, Dongeun; Jang, Seokwon; Han, Sol; Pack, Sangheon; Kim, Myung Sup; Kim, Taehong; Lim, Chang Gyu.

In: IEEE Communications Magazine, Vol. 55, No. 4, 7901484, 2017, p. 100-107.

Research output: Contribution to journalArticle

Suh, Dongeun ; Jang, Seokwon ; Han, Sol ; Pack, Sangheon ; Kim, Myung Sup ; Kim, Taehong ; Lim, Chang Gyu. / Toward highly available and scalable software defined networks for service providers. In: IEEE Communications Magazine. 2017 ; Vol. 55, No. 4. pp. 100-107.
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