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dc.contributor.authorPagès Cruz, Albert
dc.contributor.authorPérez Sanchis, Miguel
dc.contributor.authorPeng, Shuping
dc.contributor.authorPerelló Muntan, Jordi
dc.contributor.authorSimeonidou, Dimitra
dc.contributor.authorSpadaro, Salvatore
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Arquitectura de Computadors
dc.date.accessioned2016-02-04T13:44:31Z
dc.date.available2016-02-04T13:44:31Z
dc.date.issued2015-10-01
dc.identifier.citationPages, A., Perez, M., Peng, Shuping, Perello, J., Simeonidou, D., Spadaro, S. Optimal virtual slice composition toward multi-tenancy over hybrid OCS/OPS data center networks. "Journal of optical communications and networking", 01 Octubre 2015, vol. 7, núm. 10, p. 974-986.
dc.identifier.issn1943-0620
dc.identifier.urihttp://hdl.handle.net/2117/82549
dc.description© [2015 Optical Society of America.]. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.
dc.description.abstractMulti-tenancy is a key feature of modern data centers. It allows for the existence of multiple independent virtual infrastructures, called virtual slices, on top of the same physical infrastructure, each of them specially tailored to the tenants' needs. In such a scenario, an optimal mapping of the virtual slices plays a capital role toward an efficient utilization of the data center network resources, potentially saving costs for the data center owner. However, due to the increasing trend of bringing optics to data center networks, specific virtual slice mapping mechanisms accounting for the particularities of the optical medium (e.g., wavelength continuity constraint) have to be investigated. For this, we present an integer linear programming (ILP) model for optimally mapping a set of virtual slices from different tenants in a hybrid optical circuit switching (OCS)/optical packet switching (OPS) data center network with the aim to minimize the necessary optical transponders to be equipped in the network. Additionally, we also present a lightweight heuristic for the cases in which the ILP model scalability is compromised. The benefits of the proposals are highlighted by benchmarking them against a pure OCS solution through extensive simulations.
dc.format.extent13 p.
dc.language.isoeng
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)
dc.subjectÀrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telemàtica i xarxes d'ordinadors::Trànsit de dades
dc.subject.lcshOptical communications
dc.subject.otherData centers
dc.subject.otherMulti-tenancy
dc.subject.otherOCS
dc.subject.otherOPS
dc.subject.otherOptimization
dc.subject.otherVirtualization
dc.subject.otherInterconnects
dc.titleOptimal virtual slice composition toward multi-tenancy over hybrid OCS/OPS data center networks
dc.typeArticle
dc.subject.lemacComunicacions òptiques
dc.contributor.groupUniversitat Politècnica de Catalunya. GCO - Grup de Comunicacions Òptiques
dc.contributor.groupUniversitat Politècnica de Catalunya. CBA - Sistemes de Comunicacions i Arquitectures de Banda Ampla
dc.identifier.doi10.1364/JOCN.7.000974
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttps://www.osapublishing.org/jocn/fulltext.cfm?uri=jocn-7-10-974&id=326723
dc.rights.accessOpen Access
local.identifier.drac17239643
dc.description.versionPostprint (author's final draft)
local.citation.authorPages, A.; Perez, M.; Peng, Shuping; Perello, J.; Simeonidou, D.; Spadaro, S.
local.citation.publicationNameJournal of optical communications and networking
local.citation.volume7
local.citation.number10
local.citation.startingPage974
local.citation.endingPage986


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