Passive Performance Monitoring and Traffic Characteristics on the SLAC internet Border-中国期刊网

摘要 UnderstandinghowtheInternetisusedbyHEPiscriticaltooptimizingtheperformanceoftheinter-labcomputingenvironment.Typicallyuserequirementshavebeendefinedbydiscussionsbetweencollaborators.However,lateranalysisoftheactualtraffichasshownthisisoftenmisunderstoodandactualuseissignificantlydifferenttothatpredicted.Passivemonitoringoftherealtrafficprovidesinsightintothetruecommunicationsrequirementsandtheperformanceofalargenumberofalargenumberofinter-communicatingnodes.ItmaybeusefulinidentifyingperformanceproblemsthatareduetofactorsotherthanInternetcongestionespeciallywhencomparedtoothermethodssuchasactivemonitoringwheretrafficisgeneratedspecificallytomeasureitsperformance.Controlledactivemonitoringbetweendedicatedserversoftengivesanindicationofwhatcanbeachievedonanetwork,Passivemonitoringoftherealtrafficgivesapictureofthetrueperformance.ThispaperwilldiscussthemethodandresultsofcollectingandanalyzingflowsofdataobtainedfromtheSLACInternetborder,TheuniquenatureofHEPtrafficandtheneedsoftheHEPcommunitywillbehighlighted.Theinsightsthishasbroughttounderstandingthenetworkwillbereviewedandthebenefitiscanbringtoengineeringnetworkswillbediscussed.

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Passive Performance Monitoring and Traffic Characteristics on the SLAC internet Border

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Passive Performance Monitoring and Traffic Characteristics on the SLAC internet Border

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