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A Case for SDN-based Network Virtualization

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dc.contributor.authorYang, G.-
dc.contributor.authorShin, C.-
dc.contributor.authorYoo, Y.-
dc.contributor.authorYoo, C.-
dc.date.accessioned2022-03-05T22:41:00Z-
dc.date.available2022-03-05T22:41:00Z-
dc.date.created2022-02-15-
dc.date.issued2021-
dc.identifier.issn1526-7539-
dc.identifier.urihttps://scholar.korea.ac.kr/handle/2021.sw.korea/137915-
dc.description.abstractNetwork virtualization (NV) becomes an essential technology in cloud computing that isolates network flows for tenants. However, because existing NV technologies like overlay do not enable tenants to directly program (i.e., provision, control, and monitor) network resources, software-defined networking (SDN)-based NV (SDN-NV) has been proposed. Despite its great benefits, SDN-NV has been believed to bring considerable overheads due to the network hypervisor (NH). However, to date, there is no definite performance evaluation that proves the overheads of SDN-NV. To this end, this paper comprehensively investigates the performance and overheads of SDN-NV. Our experiment results reveal that SDN-NV provides the data plane performance comparable to or even better (up to 10.5× better TCP throughput) than the existing NV technologies. Also, the results on NH show that its overheads remain mostly constant, even when the number of switches, virtual networks, or network flows increases. In short, our evaluation indicates that the overhead of SDN-NV should not deter its practical use in datacenters. © 2021 IEEE.-
dc.languageEnglish-
dc.language.isoen-
dc.publisherIEEE Computer Society-
dc.titleA Case for SDN-based Network Virtualization-
dc.typeArticle-
dc.contributor.affiliatedAuthorYoo, C.-
dc.identifier.doi10.1109/MASCOTS53633.2021.9614291-
dc.identifier.scopusid2-s2.0-85123160961-
dc.identifier.bibliographicCitationProceedings - IEEE Computer Society's Annual International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunications Systems, MASCOTS-
dc.relation.isPartOfProceedings - IEEE Computer Society's Annual International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunications Systems, MASCOTS-
dc.citation.titleProceedings - IEEE Computer Society's Annual International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunications Systems, MASCOTS-
dc.type.rimsART-
dc.type.docTypeConference Paper-
dc.description.journalClass1-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordAuthorCloud computing-
dc.subject.keywordAuthorNetwork virtualization-
dc.subject.keywordAuthorPerformance evaluation-
dc.subject.keywordAuthorSoftware-defined networking-
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