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Policy conflict analysis for DiffServ quality of service management

dc.creatorCharalambides, M.en
dc.creatorFlegkas, P.en
dc.creatorPavlou, G.en
dc.creatorRubio-Loyola, J.en
dc.creatorBandara, A.en
dc.creatorLupu, E.en
dc.creatorRusso, A.en
dc.creatorDulay, N.en
dc.creatorSloman, M.en
dc.date.accessioned2015-11-23T10:24:28Z
dc.date.available2015-11-23T10:24:28Z
dc.date.issued2009
dc.identifier10.1109/TNSM.2009.090302
dc.identifier.issn19324537
dc.identifier.urihttp://hdl.handle.net/11615/26570
dc.description.abstractPolicy-based management provides the ability to (re-)configure differentiated services networks so that desired Quality of Service (QoS) goals are achieved. This requires implementing network provisioning decisions, performing admission control, and adapting bandwidth allocation to emerging traffic demands. A policy-based approach facilitates flexibility and adaptability as policies can be dynamically changed without modifying the underlying implementation. However, inconsistencies may arise in the policy specification. In this paper we provide a comprehensive set of QoS policies for managing Differentiated Services (DiffServ) networks, and classify the possible conflicts that can arise between them. We demonstrate the use of Event Calculus and formal reasoning for the analysis of both static and dynamic conflicts in a semi-automated fashion. In addition, we present a conflict analysis tool that provides network administrators with a user-friendly environment for determining and resolving potential inconsistencies. The tool has been extensively tested with large numbers of policies over a range of conflict types. © 2009 IEEE.en
dc.sourceIEEE Transactions on Network and Service Managementen
dc.source.urihttp://www.scopus.com/inward/record.url?eid=2-s2.0-70450216984&partnerID=40&md5=a0abcaaec0a5948c8c45290d01531e0d
dc.subjectConflict detectionen
dc.subjectDynamic conflict resolutionen
dc.subjectQoS management policiesen
dc.subjectAdmission Controlen
dc.subjectBandwidth allocationsen
dc.subjectConflict analysisen
dc.subjectConflict Resolutionen
dc.subjectDifferentiated services networken
dc.subjectDiffServen
dc.subjectEvent calculusen
dc.subjectFormal reasoningen
dc.subjectNetwork administratoren
dc.subjectNetwork provisioningen
dc.subjectPolicy based managementen
dc.subjectPolicy conflicten
dc.subjectPolicy specificationen
dc.subjectPolicy-based approachesen
dc.subjectQOS managementen
dc.subjectQoS policyen
dc.subjectSemi-automateden
dc.subjectStatic and dynamicen
dc.subjectTraffic demandsen
dc.subjectAutomata theoryen
dc.subjectQuality of serviceen
dc.subjectRoutersen
dc.subjectUbiquitous computingen
dc.subjectQuality controlen
dc.titlePolicy conflict analysis for DiffServ quality of service managementen
dc.typejournalArticleen


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