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1、PARCEL:ProxyAssistedBRowsinginCellularnetworksforEnergyandLatencyreductionAshiwanSivakumaryShankaranarayananPNyVijayGopalakrishnanzSeungjoonLee?SanjayRaoySubhabrataSenzyz?PurdueUniversity,AT&TLabs-Research,TwoSigmaABSTRACTcellulartracthananyotherapplication,excludingmulti-mediastreaming[24].Th
2、ereexiststremendousinterestinToday'swebpagedownloadprocessisillsuitedtocellularimprovinguser'sQualityofExperience(QoE)forthemo-networksresultinginhighpageloadtimesandradioenergybileweb.Keychallengesincludetheresourceconstraintsofusage.Whiletherehavebeennotablepriorattemptsatcommoncellulardevices
3、likesmartphonesandtablets,andtacklingthechallengewithassistancefromproxies(cloud),theradioaccessnetwork(RAN).Whileprocessingcapabili-achievingaresponsiveandenergyecientbrowsingexpe-tiesofmobiledeviceshavedramaticallyimprovedinrecentrienceremainsanelusivegoal.Inthispaper,wemakeayears,mobiledevic
4、ebatteryenergyseemslikelytoremainfreshattemptataddressingthechallengebyproposingPAR-amajorresourcelimitationfortheforeseeablefuture.CEL.PARCELsplitsfunctionalitybetweenthemobilede-viceandtheproxybasedontheirrespectivestrengths,andSeveralfactorsmakecurrentapproachestowebdown-inamannerdistinctfrom
5、bothtraditionalbrowsersandex-loadsill-suitedtocellularnetworks(x2).Ontheonehand,istingcloud-heavyapproaches.Weconductextensiveeval-webpagesconsistofhundredsofobjectsspreadovermulti-uationsoveranoperationalLTEnetworkusingaprototypepleserverdomains,anddownloadingpagesinvolvesalargeimplementationof
6、PARCEL.OurresultsshowthatPAR-numberofHTTPrequest-responseinteractions.OntheCELreducespageloadtimesby49.6%,andradioenergyotherhand,cellularnetworksinvolvelargeround-triptimesconsumptionby65%comparedtotraditionalmobilewebresultinginsubstantiallylongerdownloadtimescomparedbrowsers.Further,ourresult
7、sshowthatPARCELcontin-towire-line.Thedelaysareexacerbatedsinceinitialob-uestoperformwellunderclientinteractions,owingtoitsjectsfetchedduringthedownload(e.g.,HTML,stylesheetsjudiciousfunctionalitysplit.(CSS),JavaScript(JS))ma
