Real-time guarantees in flexible advance reservations

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dc.contributor.author Konstanteli, K en
dc.contributor.author Kyriazis, D en
dc.contributor.author Varvarigou, T en
dc.contributor.author Cucinotta, T en
dc.contributor.author Anastasi, G en
dc.date.accessioned 2014-03-01T02:46:30Z
dc.date.available 2014-03-01T02:46:30Z
dc.date.issued 2009 en
dc.identifier.issn 07303157 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/32673
dc.subject Advance reservation en
dc.subject Aesource management en
dc.subject Realtime CPU scheduling en
dc.subject.other Advance reservation en
dc.subject.other Apriori en
dc.subject.other CPU scheduling en
dc.subject.other Grid network en
dc.subject.other Interactivity en
dc.subject.other Multiple services en
dc.subject.other QoS constraints en
dc.subject.other QoS requirements en
dc.subject.other Quality of Service constraints en
dc.subject.other Real time en
dc.subject.other Saturation levels en
dc.subject.other Service Oriented en
dc.subject.other Service provider en
dc.subject.other Soft real time en
dc.subject.other Stochastic approach en
dc.subject.other Work-flows en
dc.subject.other Workflow applications en
dc.subject.other Computer software en
dc.subject.other Knowledge management en
dc.subject.other Management en
dc.subject.other Quality of service en
dc.subject.other Word processing en
dc.subject.other Scheduling en
dc.title Real-time guarantees in flexible advance reservations en
heal.type conferenceItem en
heal.identifier.primary 10.1109/COMPSAC.2009.117 en
heal.identifier.secondary http://dx.doi.org/10.1109/COMPSAC.2009.117 en
heal.identifier.secondary 5254148 en
heal.publicationDate 2009 en
heal.abstract This paper deals with the problem of scheduling workflow applications with Quality of Service (QoS) constraints, comprising real-time and interactivity constraints, over a serviceoriented Grid network. A novel approach is proposed, in whichhigh-level Advance Reservations, supporting flexible start and end time, are combined with low-level soft real-time scheduling, allowing for the concurrent deployment of multiple services on the same host while fulfilling their QoS requirements. By undertaking a stochastic approach, in which a-priori knowledge is leveraged about the probability of activation of the application workflows within the reserved time-frame, the proposed methodology allows for the achievement of various trade-offs between the need for respecting QoS constraints (user perspective) and the need for having good resource saturation levels (service provider perspective). © 2009 IEEE. en
heal.journalName Proceedings - International Computer Software and Applications Conference en
dc.identifier.doi 10.1109/COMPSAC.2009.117 en
dc.identifier.volume 2 en
dc.identifier.spage 67 en
dc.identifier.epage 72 en

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