Semantic failover in software-defined networking

Shu Wen Hsueh, Tung Yueh Lin, Weng Ian Lei, Chi Leung Patrick Ngai, Yu Hang Sheng, Yu-Sung Wu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Software-defined networking (SDN) eases the management of large-scale network by providing centralized and programmable control of a network. The centralization inevitably creates a single point of failure and requires the use of redundant controllers. However, due to the need for replicating the SDN application states, existing solutions tend to assume that the controllers are of the same type. This imposes an undesirable trade-off between cost and availability as each active controller would require a dedicated standby controller of the same type. We propose semantic failover to address the issue, which allows generic failover across any types of controllers. Semantic failover models the SDN application states from the control plane messages and restores the application states by invoking the northbound API on the standby controller. It is thereby not dependent on specific types of controllers. The prototype system was tested on real-world SDN controllers, and the evaluation results have demonstrated the potentials of semantic failover for both homogenous and heterogeneous controller pairs.

Original languageEnglish
Title of host publicationProceedings - 2018 IEEE 23rd Pacific Rim International Symposium on Dependable Computing, PRDC 2018
PublisherIEEE Computer Society
Pages299-308
Number of pages10
ISBN (Electronic)9781538657003
DOIs
StatePublished - 11 Feb 2019
Event23rd IEEE Pacific Rim International Symposium on Dependable Computing, PRDC 2018 - Taipei, Taiwan
Duration: 4 Dec 20187 Dec 2018

Publication series

NameProceedings of IEEE Pacific Rim International Symposium on Dependable Computing, PRDC
Volume2018-December
ISSN (Print)1541-0110

Conference

Conference23rd IEEE Pacific Rim International Symposium on Dependable Computing, PRDC 2018
CountryTaiwan
CityTaipei
Period4/12/187/12/18

Keywords

  • Heterogeneous controllers
  • High availability
  • Software-defined networking
  • controller failure
  • failover

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