Measuring robustness of SDN control layers

Yury Jimenez, Juan Antonio Cordero, Cristina Cervello-Pastor

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

Abstract

The controller placement problem remains a key aspect of Software Defined Networking (SDN). The selection of a suboptimal controller may impact severely the performance of the control layer and, in consequence, cause a substantial degradation in the data layer. Different approaches for controller placement have been proposed with various objectives in mind, but most of them do not consider the characteristics of the resulting control layer in terms of robustness. In this paper we propose and formalize a complete metric for estimating robustness of a SDN control layer, and we evaluate two heuristics for controller selection and control layer construction: Fast Failover and a simplified version of k-Critical. The results of the performed evaluation indicate that the control layer topology induced by k-Critical is less prone to failures, more robust and more homogenous than those computed by Fast Failover.

Original languageEnglish
Title of host publicationProceedings of the 2015 IFIP/IEEE International Symposium on Integrated Network Management, IM 2015
EditorsRemi Badonnel, Jin Xiao, Shingo Ata, Filip De Turck, Voicu Groza, Carlos Raniery P. dos Santos
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages774-777
Number of pages4
ISBN (Electronic)9783901882760
DOIs
Publication statusPublished - 29 Jun 2015
Externally publishedYes
Event14th IFIP/IEEE International Symposium on Integrated Network Management, IM 2015 - Ottawa, Canada
Duration: 11 May 201515 May 2015

Publication series

NameProceedings of the 2015 IFIP/IEEE International Symposium on Integrated Network Management, IM 2015

Conference

Conference14th IFIP/IEEE International Symposium on Integrated Network Management, IM 2015
Country/TerritoryCanada
CityOttawa
Period11/05/1515/05/15

Keywords

  • Software Defined Networking (SDN)
  • control layer
  • controller placement
  • data layer
  • robustness

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