Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/93497
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dc.contributor.authorSantos, Dorabella-
dc.contributor.authorGomes, Teresa Martinez dos Santos-
dc.contributor.authorTipper, David-
dc.date.accessioned2021-03-17T11:31:49Z-
dc.date.available2021-03-17T11:31:49Z-
dc.date.issued2021-03-
dc.identifier.issn1932-4537pt
dc.identifier.issn2373-7379pt
dc.identifier.urihttp://hdl.handle.net/10316/93497-
dc.description.abstractAn inherent problem in Software-Defined Networking (SDN) is the Controller Placement Problem, which addresses how many controllers to deploy in the network, and where to place them. Several variants of this problem have been addressed and researched to find the placements that adapt best to different contexts. In this paper, we address a more complex variant of this problem, to satisfy QoS requirements and to offer robustness against disaster-based failures. We address the joint optimization problem of controller placement and finding a tree subgraph which can be upgraded to have enhanced availability, in order to satisfy delay and availability constraints. Additionally, we consider geodiversity constraints as a way to enhance robustness to disaster-based failures.pt
dc.description.sponsorshipThis work is funded by ERDF Funds through the Centre’s Regional Operational Program and by National Funds through the FCT - Fundação para a Ciência e a Tecnologia, I.P. under the project CENTRO-01-0145-FEDER-029312. This work was also partially supported by FCT under project grant UIDB/00308/2020.pt
dc.language.isoengpt
dc.publisherIEEEpt
dc.relationCENTRO-01-0145-FEDER-029312pt
dc.relationUIDB/00308/2020pt
dc.rightsembargoedAccesspt
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt
dc.subjectSoftware-Defined Networkingpt
dc.subjectgeodiversitypt
dc.subjectavailabilitypt
dc.subjectcontroller placement problempt
dc.subjectinteger linear programmingpt
dc.titleSDN Controller Placement With Availability Upgrade Under Delay and Geodiversity Constraintspt
dc.typearticle-
degois.publication.firstPage301pt
degois.publication.lastPage314pt
degois.publication.issue1pt
dc.relation.publisherversionhttps://ieeexplore.ieee.org/document/9312669pt
dc.peerreviewedyespt
dc.identifier.doi10.1109/TNSM.2020.3049013pt
degois.publication.volume18pt
dc.date.embargo2023-03-01*
rcaap.embargofctRequired by the publisher.pt
uc.date.periodoEmbargo730pt
item.grantfulltextembargo_20230301-
item.languageiso639-1en-
item.fulltextCom Texto completo-
crisitem.author.deptFaculty of Sciences and Technology-
crisitem.author.parentdeptUniversity of Coimbra-
crisitem.author.researchunitINESC Coimbra – Institute for Systems Engineering and Computers at Coimbra-
crisitem.author.researchunitINESC Coimbra – Institute for Systems Engineering and Computers at Coimbra-
crisitem.author.orcid0000-0003-0368-2222-
crisitem.author.orcid0000-0002-3084-5608-
Appears in Collections:I&D INESCC - Artigos em Revistas Internacionais
FCTUC Eng.Electrotécnica - Artigos em Revistas Internacionais
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