欢迎来到天天文库
浏览记录
ID:34044883
大小:425.65 KB
页数:8页
时间:2019-03-03
《flexible flow aggregation for adaptive network monitoring》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、FlexibleFlowAggregationforAdaptiveNetworkMonitoringFalkoDresslerGerhardMunz¨AutonomicNetworkingGroupComputerNetworksandInternetDept.ofComputerScience7WilhelmSchickardInstituteforComputerScienceUniversityofErlangen,GermanyUniversityofTubingen,Germany¨dressl
2、er@informatik.uni-erlangen.demuenz@informatik.uni-tuebingen.deAbstracttacks,propagatingwormsetc[10].Whiletheaforemen-tionedapplicationsarestillrelevant,otherdomainsalsore-Networkmonitoringisamajorbuildingblockformanyquireappropriatenetworkmonitoringsuchasi
3、ntrusionde-domainsincommunicationnetworks.Besidestypicalac-tectionandtracebackmechanisms[13]orchargingapplica-countingmechanismsandtheemergingareaofchargingintionsfornextgenerationnetworks[7].Manufacturershavenextgenerationnetworks,especiallynetworksecurit
4、ysolu-respondedbydevelopingspecificmonitoringdevicesorbytionsrelyonefficientandoptimizedmonitoring.Networkaddingmonitoringfunctionalityintoexistingproductslikemonitoringinhigh-speednetworksisusuallybasedonflowroutersorfirewalls.accountingandaggregationtechniqu
5、esrepresentaneces-Acommonmonitoringtechniqueisflowaccounting.saryenhancementinordertocopewithincreasingamountsThekeyideaofflowaccountingistostoreinformationofmonitoringdatathataccruewiththeever-growingnet-aboutpacketflowsandthecorrespondingstatisticsinsteadwo
6、rkcapacities.Inthispaper,weproposeaflexibleflowofindividualpacketinformation.Inthiscontext,aflowisaggregationmechanismthatcanbedirectlyemployedondefinedasaunidirectionalstreamofIPpacketsidentifiedbyamonitoringprobetoreducethememoryandprocessingacommonIP-five-tup
7、le(protocoltype,sourceIPaddress,demands.Alternatively,itcanworkasaconcentratorthatdestinationIPaddress,sourceport,destinationport).Tocollectsflowdatafrommultiplemonitoringprobes,com-thisend,asinglemeasurementrecordcancontaininforma-binesandaggregatesthemand
8、forwardstheresultstoantiononuptoseveralthousandpackets.Fortransmissionofanalyzer.Weverifiedandevaluatedtheaggregationmech-monitoringdatatoaremoteanalyzer,aseriesofprotocolsanismbyintegratingitintoourmonitoring
此文档下载收益归作者所有