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1、网络测量概念及主流方法（Conceptsandmainstreammethodsofnetworkmeasurement）NetworkmeasurementCatalogmeasureFourelementsofmeasurementResearchfieldofnetworkmeasurementNetworkmeasurementclassificationResearchdirectionEditthisparagraphmeasureMeasurementisbasedonacertainlaw,us
2、ingdatatodescribetheobservedphenomenon,thatis,quantitativedescriptionofthings.Measurementisthequantificationprocessofnonquantifiablephysicalobjects.EditthisparagraphFourelementsofmeasurement1,measuringobjects,thatis,theobjectofmeasurement.Itistheobjectorphen
3、omenonintheobjectiveworld,anditistheobjectthatweshouldusefiguresorsymbolstoexpress,explainandexplain.2,measurecontent,namelymeasureakindofattributeorcharacteristicoftheobject.Infact,inanymeasurement,theobjectwemeasureisanobject,butthecontentisnottheobjectits
4、elf,butthecharacteristicorattributeoftheobject.3.Therulesofmeasurement,thatis,theuseofnumbersandsymbolstorepresentvariousattributesorcharacteristicsoffoods.Itcanalsobesaidthatitisaspecificoperatingprocedureandacriterionfordistinguishingdifferentcharacteristi
5、csorattributes.4,numbersandsymbols,thatisusedtorepresenttheresultsofmeasurementtools.Suchas120cm,350yuan.?EditthisparagraphResearchfieldofnetworkmeasurementNetworkmeasurementandanalysisismainlydividedinto3researchareas:(1)measurementdataaccuratelyandquantita
6、tivelycapturetheInternetactivities.Usually,networkmeasurementofthemainparametersincludingRTT,datapath,bandwidth,delay,bottleneck,burstytrafficcongestiondegree,frequency,dynamicbottleneck,siteaccessibility,throughput,bandwidthutilization,packetlossrate,andser
7、verthenetworkdeviceresponsetime,maximumnetworktraffic,thenetworkservicequalityQoS(qualityincludingimages,data,voiceandotherservices).Itisnecessarytopointoutthatinthemeasurementofthenetworklevel,aclassofpropertiesneedtobemeasuredisinherentinthenetwork,suchasi
8、tstopology,connectioncapacity,delaytheother;theclassattributereflectsthecurrentstateofthenetwork,suchasqueuingdelay,dynamicroutingandconnectionavailability.(2)model.Thisisthecoreissueofperforman
