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dc.contributor.authorKamisinski, Andrzej
dc.contributor.authorGonzalez, Andres Javier
dc.contributor.authorHelvik, Bjarne Emil
dc.contributor.authorNencioni, Gianfranco
dc.date.accessioned2017-03-24T08:23:40Z
dc.date.available2017-03-24T08:23:40Z
dc.date.created2016-12-20T17:18:39Z
dc.date.issued2016
dc.identifier.citationGlobal Communications Conference (GLOBECOM), 2016 IEEEnb_NO
dc.identifier.isbn978-1-5090-1328-9
dc.identifier.urihttp://hdl.handle.net/11250/2435254
dc.description.abstractSoftware-Defined Networking (SDN) is a new paradigm that promises to enhance network flexibility and innovation. However, operators need to thoroughly assess its advantages and threats before they can implement it. Robustness and fault tolerance are among the main criteria to be considered in such assessment. The currently available SDN controllers offer different fault tolerance mechanisms, but there are still many open issues, especially regarding the trade-off between consistency and performance in a fault- tolerant SDN platform. In this paper, we describe existing fault-tolerant SDN controller solutions, and propose a mechanism to design a consistent and fault-tolerant Master-Slave SDN controller that is able to balance consistency and performance. The main objective of this paper is to bring the performance of an SDN Master-Slave controller as close as possible to the one offered by a single controller. This is obtained by introducing a simple replication scheme, combined with a consistency check and a correction mechanism, that influence the performance only during the few intervals when it is needed, instead of being active during the entire operation time.nb_NO
dc.language.isoengnb_NO
dc.publisherIEEEnb_NO
dc.relation.ispartof2016 IEEE Global Communications Conference (GLOBECOM)
dc.subjectFault tolerance, Fault tolerant systems, Master-slave, Switches, Synchronization, Proposalsnb_NO
dc.titleA Fault-Tolerant and Consistent SDN Controllernb_NO
dc.typeChapternb_NO
dc.typeConference objectnb_NO
dc.typePeer reviewednb_NO
dc.identifier.doi10.1109/GLOCOM.2016.7841496
dc.identifier.cristin1415881
dc.description.localcode© 2016IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.”nb_NO
cristin.unitcode194,63,30,0
cristin.unitnameInstitutt for telematikk
cristin.ispublishedtrue
cristin.fulltextpostprint
cristin.qualitycode1


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