大規(guī)模高速IP網(wǎng)絡(luò)流量抽樣測量及行為分析研究.pdf

1、東南大學(xué)博士學(xué)位論文大規(guī)模高速IP網(wǎng)絡(luò)流量抽樣測量及行為分析研究姓名：程光申請學(xué)位級別：博士專業(yè)：計算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：龔儉20030301AbstractAbstractAsaglobalcomputernetwork，Interactthatconsistsofmillionsofintercomlectodhosts，hasbeingexpandeddrasticallysincetheendof】980’s，alongwith

2、theglobalsocialandeconomicdevelopmentFacingthefeaturescomingfromthediversityofthenetworktechnologies，therapidexpansionofnetworkscale，andtheincreasingvarietyofthenetworkapplications，theresearchofnetworkbehaviorhasbecomese

3、verechallengesSothatithasbeenseparatedfromtheresearchofnetworkmanagementandbecome∞independentresearchtopicwithitsOWnsystemictheoriesAsasubjecttostudythevariationalrulesofnetworksnetworkbehaviorcanbeevaluatedbyaseriesofme

4、tricsthatreflectthcnetworkstatusTheresearchofnetworkbehaviormainlyineludestheanalysisofnetworktrafficbehaviorandno(werkperformancebehaviorUnderstandingthesephenomenaisnotonlythechallengefromthetechnicaldevelopment，butisi

5、mportanttothetheoryandapplicationofnetworksecurityandnetworkmanagementasvrellTargetedatCERNETbackbonenetwork，thisdissertationissubsidizedbytheNationalScienceFoundationofChina“90]0403l”andtheNational963projeei“2001AAll206

6、0”Itiscoveredwiththreeaspects：theresearchofnetworktrafficmeasurement，theresearchofnetworktrafficstatisticalbehaviorandtheresearchofend—to—endnetworkperformanceThesetopicsarerelevantandformthebasisofthenetworkbehaviortheo

7、ryThedissertationisoriginatedfromtheNational863project“thedistributedSLAmonitoringsystemonsamplingtrafficmeasurement“Firstlythedissastationreviewstheprevioustechnologiesofnetworkmeasurement，trafficstatisticalbehaviorande

8、ndtoendperformancebehaviorandanalyzestheexistingproblemsthenputsforwardtheconceptofnetworkbehaviorInthesecondchapterthenetworktrafficattributesincludingIPTCPandICMPareanalyzedandexplainedandthearchitectureofaunifonnmulti

9、—dimensionmetrics1sprovided，whichexpOSeStheruleofnetworktrafficbehaviorandperformancebehaviorAccordingtotherandomnessandinvariabilityofidentificationfield，researchesinthesamplingmeasuringtechnologyoftheSLAmonitoringsyste

10、maredescribedinchapterthreeandthelawofidentifieetionfieldisanalyzedFoursamplingalgorithmsontheidentificstionfieldareprovidedthatisthelimitedvaluealgorithm，paaernalgorithm，multi—maskMgorithra，andcorrectedmultimaskalgorith

11、m，andthelastnileisanalyzedindetailComparedwiththineotheralgorithms，thecorrectedmultimaskalgorithmisborerthanotheralgorithmsinthefieldofthehighprecisedomination，cooperationwithothermeasuringpoints，anderrorcontrolThechapte

12、rfourconcernswiththetechnologyofstatisticaltrafficanalysisandtrafficstorageandcompressingThestatisticaltrafficattributesinCERNETbackbonenetworkareanalyzedAdistributedSLAmonitoringsystemmodelispresentedinchapterfiveSomeke

13、rneltechnologiesagetouched，whichincludestheclocksynchronization，packetIDgeneration，etcThesixthchapterfocusesonsomeimportantanalyzingmodelontheSLAsystem，includingtrafficmodel，predictingmodelandrealtimemonitoringmodelnelas

14、tchapterputsforwardtheconclusionandthedirectionoffutureresearchonnetworkbehaviorToestablishatrafficsamplingmeasurementmodelinalargescalenetwork，thedissertationhasslxldiedindetailthenetworktrafficbehaviornetworkperformanc

15、ebehaviorandnetworktrafficmodel，Astheresultsofthesestudies，arealtimeanomalynetworktrafficmonitoringmodel，atimeseriesmodelofanalyzingthenetworkbehaviormetrics，andanetworktrafficpredietfogmodelhavebeensetupThesemodelscanbe