@@传统测量与层析成像结合的网络拓扑识别方法研(4)

发布时间:2021-06-07

ABSTRA(X

ABSTRACT

Traditionalmethod

collaborationofofnetworktopologyinferenceismainlybasedontheprotocolsandinformationfeedbackbythetouters.However,it’Smoreandmoredifficultto

routersgetthecollaborationofprotocolsandinformationfeedbackbytheduetothedemandofnetworksecurity.NetworktopologyinferencebasedonnetworktomographyCaninferthewholetopologyofnetworkwithoutthecollaborationofrouterprotocolsand

oninternalnodes.However,themethodoftoonetworktopologyinferencebased

need

IntomographyoRentakesmuchtimeincalculatingbecauseofthetotosendalargenumberofprobepacketscalculatethestatisticalcharacteristics.dependonouropinions,traditionalmethodsofnetwork

ofthereuters,whichisoRentopologyinference

assumethefeedbackdifficulttoinferenceapplyintheactuallarge-scalethatallnetworks;tomographybasedtopology

collaborative

thispaperreutersareuncooperative,whichmakethemeasuringworkmuchmoredifficult.Thereroutersbutalsoaarenotonlyuncooperativeroutersintheactualnetworks.Therefore,

notonlybeintroducesmethodoftopologyinferencecombmethetraditionalmethodsoftopologyinference

abletoandtopologyinferencebasedontomography,whichspeeduptheprocessoftopologyinferenceandreducethenumberofpacketsaccordingtothe

beabletomakefeedbackinformationfromthecoordinatenodeinthenetworkbutalsouseoftomographytechnologyfortopologyinferencedynamicallytothenon-collaborativepartofthenetwork.

onInthispaper,weintroducethreeaspectsofresearchresultsthroughthestudy

traditionalmethodsoftopologyinferenceaswellastomography-basedtopology

existed

oninference:(1)Attheaspectofalgorithmtotopologyinference,weaimprovethetopologyinferencemethodsandintroducenewmethodoftopologyinferencebased

tomographyusing“sandwich”probe,whichmeasurethedifferenceofthearrivetimeofthetwosmallpacketsofthe“sandwich”packet-groupinordertoinferthelengthofthe

onsharedpath.Thiskindofmethodincludesthehierarchicalclusteringalgorithmbased

thesmallestsimilarityaswellasthedivisionof1eafnodesalgorithm.ThedivisionofIII

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