Whittle index approach to energy-aware dispatching

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Aalto, Samuli
dc.contributor.author Lassila, Pasi
dc.date.accessioned 2018-12-10T10:31:42Z
dc.date.available 2018-12-10T10:31:42Z
dc.date.issued 2018
dc.identifier.citation Aalto , S & Lassila , P 2018 , Whittle index approach to energy-aware dispatching . in International Teletraffic Congress . IEEE , pp. 19 - 27 , International Teletraffic Congress , Vienna , Austria , 04/09/2018 . DOI: 10.1109/ITC30.2018.00012 en
dc.identifier.isbn 978-0-9883045-5-0
dc.identifier.other PURE UUID: da685913-8258-4e48-a5e9-e66bbdff123f
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/whittle-index-approach-to-energyaware-dispatching(da685913-8258-4e48-a5e9-e66bbdff123f).html
dc.identifier.other PURE LINK: https://itc-conference.org/en/itc-library/itc30.html
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/21584929/ELEC_aalto_et_al_Whittle_index_itc30.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/35295
dc.description.abstract A data center can be modeled as a set of parallel queues, and the dispatcher decides to which queue the arriving jobs are routed. We consider an energy-aware dispatching system in a Markovian setting, where each server upon becoming empty enters a sleep mode to save energy and to activate the server after sleep incurs an additional setup delay cost. We seek to optimize the performance-energy trade-off by applying the socalled Whittle index approach. As our main result, we rigorously prove, under a certain technical assumption, that the problem is indexable, and derive the explicit form of the Whittle index. Our numerical examples demonstrate that the resulting energy-aware Whittle index policy is able to perform very close to the numerically obtained optimal policy. en
dc.format.extent 9
dc.format.extent 19 - 27
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartof International Teletraffic Congress en
dc.relation.ispartofseries International Teletraffic Congress en
dc.rights openAccess en
dc.subject.other 213 Electronic, automation and communications engineering, electronics en
dc.title Whittle index approach to energy-aware dispatching en
dc.type A4 Artikkeli konferenssijulkaisussa fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Communications and Networking
dc.subject.keyword data center
dc.subject.keyword energy aware
dc.subject.keyword dispatching
dc.subject.keyword task asssignment
dc.subject.keyword Whittle index
dc.subject.keyword 213 Electronic, automation and communications engineering, electronics
dc.identifier.urn URN:NBN:fi:aalto-201812106310
dc.identifier.doi 10.1109/ITC30.2018.00012
dc.type.version acceptedVersion

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