Monitoring the Impact of P2P Users on aBroadband Operators Network over Time

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1、116IEEETRANSACTIONSONNETWORKANDSERVICEMANAGEMENT,VOL.8,NO.2,JUNE2011MonitoringtheImpactofP2PUsersonaBroadbandOperator’sNetworkoverTimeOliverKettigandHans-JoergKolbeAbstract—Sincetheiremergencepeer-to-peer(P2P)applica-Especiallytheamountofpeersandflowsmayhavetobetakentionshavebeengeneratingaconsi

2、derablefractionoftheover-intoaccount.alltransferredbandwidthinbroadbandnetworks.ResidentialbroadbandservicehasbeenmovingfromonegearedtowardsSincepeer-to-peer(P2P)applicationshaverecentlybeentechnologyenthusiastsandearlyadopterstoacommodityforidentifiedashavingthebiggestimpactonbroadbandnetworksa

3、largefractionofhouseholds.Thus,thequestionwhetherP2Pintermsofthoseattributes,themainquestionsaddressedinisstillthedominantapplicationintermsofbandwidthusagethisstudyare,whatpercentageofsubscriberscanbeclassifiedbecomeshighlyrelevantforbroadbandoperators.InthisworkasP2Pusersatdifferenttimesofaday

4、,andhowbigtheirwepresentanadaptiontoapreviouslypublishedmethodforclassifyingbroadbandusersintoaP2P-andanon-P2Pgroupimpactonthenetworkcharacteristicsespeciallyduringpeakbasedontheamountofcommunicationpartners(“peers")theyhoursis.Itisfurthermoreimportanttogettoknowhowthesehaveinadedicatedtimefram

5、e.Basedonthisclassification,wekeynumberschangedduringthelastyearsandalsowhathasderivetheirimpactonnetworkcharacteristicslikethenumberofchangedregardingapplicabilityofdetectionmethods.Newactiveusersandtheiraggregatebandwidth.PrivacyisassuredapplicationsthatmightbecomemoredominantthanP2Pneedbyanon

6、ymizationofthedataandbynottakingintoaccountthepacketpayloads.Weapplyourmethodtorealoperationaltobeidentifiedearly.datacollected2007and2010,respectively,fromamajorGermanWehavedevelopedanapplicationthatcanextracttrafficDSLprovider’saccesslinkwhichtransportedalltrafficeachusercharacteristicsfromnetwo

7、rklinks,correlatethedataandgeneratesandreceives.In2010thefractionofP2PusersclearlygeneratereportsontheimpactofP2Ponaper-subscriber-decreasedcomparedtopreviousyears.NeverthelesswefindthatP2Pusersarestilllargecontributorstothetotalam