基于最长有效功能序列的服务功能链部署算法-豆柴文库

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基于最长有效功能序列的服务功能链部署算法
Title:AlgorithmforServiceFunctionChainDeploymentBasedontheLongestValidFeatureSequence
Abstract:
Servicefunctionchain(SFC)deploymentisessentialinnetworkfunctionvirtualization(NFV)environmentstoefficientlydelivervariousservicesandmeettheevolvingdemandsofusers.ThispaperproposesanalgorithmforSFCdeploymentbasedonthelongestvalidfeaturesequence.Thealgorithmaimstooptimizetheutilizationofnetworkresources,minimizethedeploymentcost,andenhancetheoverallefficiencyandreliabilityofservicedelivery.
1.Introduction:
WiththeadventofNFV,traditionaltelecomnetworkshavewitnessedaparadigmshiftinthewayservicesaredeployedandmanaged.SFC,asequenceofnetworkfunctionsthatareappliedtousertraffic,playsacrucialroleindeliveringdifferentservices.TheefficientdeploymentofSFCisessentialtoensureseamlessdeliveryofservicesandmaximizeresourceutilization.ThispaperpresentsanovelalgorithmforSFCdeploymentbasedontheconceptofthelongestvalidfeaturesequence.
2.BackgroundandRelatedWork:
TheexistingtechniquesforSFCdeploymentmainlyfocusonoptimizingresourceallocation,minimizinglatency,orreducingoverallcost.However,theseapproachesdonotconsiderthecharacteristicsofnetworkfunctionsandthedependenciesbetweenthem.Thelongestvalidfeaturesequence(LVFS)isintroducedasanovelconceptthattakesintoaccountthesequenceofinterdependentfeaturesinanSFC.
3.LongestValidFeatureSequenceAlgorithm:
TheproposedalgorithmconsistsofseveralstepstoefficientlydeploytheSFCbasedontheLVFSconcept.Firstly,thealgorithmexploresthepossiblecombinationsofnetworkfunctionsandtheirdependenciestogenerateaninitialsetoffeaturesequences.Next,itselectsthelongestvalidfeaturesequencebasedoncertaincriteria,suchastheminimumnumberofhops,availableresources,orspecificuserrequirements.Theselectedsequenceundergoesavalidationprocesstoensureitmeetsalltheconstraints.
4.OptimizationTechniques:
TofurtheroptimizetheSFCdeployment,severaltechniquesareproposed.Theseincludeloadbalancingamongnetworkfunctions,dynamicresourceallocationbasedonreal-timetrafficdemands,andredun