简介:ThemaingoalofroutingsolutionsistosatisfytherequirementsoftheQualityofService(QoS)foreveryadmittedconnectionaswellastoachieveaglobalefficiencyinresourceutilization.InthispaperproposesasolutionbasedonHopfieldneuralnetwork(HNN)todealwithoneofrepresentativeroutingproblemsinuni-castrouting,i.e.themulti-constrained(MC)routingproblem.ComputersimulationshowsthatwecanobtaintheoptimalpathveryrapidlywithournewLyapunovenergyfunctions.
简介:Theproblemofcloudcooperationofmilitaryserviceproviders(MSPs)isaddressedforallocatinglimitedresourcestomilitaryserviceusers(MSUs)thataregeographicallydistributed.TheMSPs,alsocalledmilitaryorganizationclouds,arevirtualizedandencapsulatedbytheservicestheycanofferandeachofthemcontainsdifferentkindsofresourcesthatMSUneeds.TheMSPsarealsogeographicallydispersed.TheyarerequiredtoallocatetheirresourcestotheMSUcomplyingwiththecorrespondingqualityofservice(QoS),sothateachMSUgatherstheservicesitneedstoguaranteeitstasktobeimplemented.TheoutlineofmilitaryorganizationcloudcooperationisdiscussedandthemethodofserviceoptimalselectionisproposedbasedonQoSevaluation.TheQoSevaluationmethodbasedonexponentialapproximationisputforwardtoincludetheusers’will.Simulationresultsverifytheeffectivenessoftheproposedalgorithm.
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简介:以太无源光网络(EPON)以其低成本、高速度的优势,作为解决宽带接入网络瓶颈问题的重要的解决方案.它的一个典型的特征是多个终端用户共享传输媒质,这就需要采取一种有效的媒质接入控制来实现带宽的统计复用.本文基于MPCP在比较两种DBA基础上,提出了一种具有SLA和相对QoS的动态带宽分配算法.
简介:Aneweffectiveandreliablechannel-timeslotallocationalgorithmhasbeenproposed,whichisappliedinWDMopticalnetworksusingfiberastheirmediatoallocatetheoperationalrequest.Thisnewalgorithmcandifferentiatethepriorityofallrequestsandavoidconflictandcollisionintheprocessofdistributingchannelandtimeslotforthedatawaitingfortransmission.Themethodincalculatingthebestwavelengthchannelandthebesttimeslotnumberissimplygiven.Thealgorithmiscarriedoutinamathlanguage.Onthebasisoftheexperimentresults,theperformanceandfeasibilityofthealgorithmareanalyzed,whichprovethattheallocationmethodcanreachtherequirementsofanalgorithmbothinspacecomplexityandtimecomplexity.
简介:Thispaperproposesanewqueuingmodelandadaptiveschedulingschemewhichrealizesmulti-classQoSmechanismunderDiffServarchitecture.Thequeuingmodeliscomposedoftwoparalleloutputsubqueues,eachoutputsubqueueadoptsrandomdropalgorithmbysettingdifferentbufferthresholdfordifferentclasstraffic,soitcanprovidemulticlassQoS.Thenewproposedschedulingschemewhichadaptivelychangestheparameterλcanguaranteetheperformancetargetofhighclasstraffic,inthemeantime,improvetheQoSoflowclassestraffic.