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1、物联网系统中存在的主要安全问题1SecuritythreatstotheInternetofthingsWhataretheimportantsecuritythreatstotheInternetofthings?WhatarethedifferencesbetweenthesecuritythreatsfacingthetraditionalInternet?Forthediscussionofthisissue,webeginwiththesensorylayer,thesensornetwor
2、k,andtheRFID.First,thesensornetworkisanenvironmentofsevereuncertainty.Widespreadsensornodeisessentiallyintelligentmonitoringandcontrolofvariousdevicesonthenetwork,theirdifferentcontentsofmonitoringnetwork,provideavarietyofdifferentformatsofeventdatatore
3、presentthecurrentstateofthenetworksystem.However,thesesensorsmartnodesarealsothebestplaceforforeigninvasions.Fromthisperspective,theInternetofthingsperceptionlayerdataisverycomplicated,therearefrequentconflictsbetweenthedataandcooperation,complementarit
4、y,haveverystrongredundancyandandhugeamountsofdata.Ithasstrongreal-timecharacteristics,anditismulti-sourceheterogeneitydata.Therefore,comparedwithtraditionalTCP/IPnetworktechnology,defensetechnologyallnetworkmonitoringmeasures,notonlyfaceamorecomplexstru
5、ctureofnetworkdata,andalsohasahigherreal-timerequirements,infrontofnetworktechnology,networksecurityandotherrelateddisciplineswillbeanewtaskandnewchallenges.Second,whentheInternetofthingsperceptionlayermainlyusingRFIDtechnology,theembeddedRFIDchipitemsc
6、annotonlyeasilyperceiveditemsmaster,atthesametime,theotherswillperceive・Especiallywhenthisperceivedinformationistransmittedthroughawirelessnetworkplatform,thesecurityoftheinformationisquitefragile・Howtoprovideastrongsecuritysystemintheprocessofperceptio
7、n,transmissionandapplicationisachallenge・Similarly,intheInternetofthingsofthetransportlayerandapplicationlayerthereareaseriesofsafetyproblems,tobeacorrespondingandefficientsecuritystrategiesandtechniques・It'sjustthatthesetwolayerscanbeborrowedfromtheTCP
8、/IPnetworkwherethereisalotoftechnology,andthey，reintersectingwithtraditionalnetworks・Inshort,thesecurityoftheInternetofthingsmustbehighlyvaluedbyallclasses・FromthearchitectureofInternetofthings,theInternetofthingsinadditiontofaci
