Characterizing User Behavior and Network Performance in a Public WLAN

《Characterizing User Behavior and Network Performance in a Public WLAN》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、CharacterizingUserBehaviorandNetworkPerformanceinaPublicWirelessLANAnandBalachandranGeoffreyM.VoelkerParamvirBahlP.VenkatRanganU.C.,SanDiegoU.C.,SanDiegoMicrosoftResearchU.C.,SanDiego9500GilmanDr.01149500GilmanDr.0114OneMicrosoftWay9500GilmanDr.0114LaJolla,CA92093La

2、Jolla,CA92093Redmond,WA98052LaJolla,CA92093anandb@cs.ucsd.eduvoelker@cs.ucsd.edubahl@microsoft.comvenkat@cs.ucsd.eduABSTRACTbehaviorandtrafficcharacteristicsinauniversitydepartmentnet-Thispaperpresentsandanalyzesuserbehaviorandnetworkperfor-work[19]and,veryrecently,a

3、collegecampus[11].manceinapublic-areawirelessnetworkusingaworkloadcapturedatawell-attendedACMconference.Thegoalsofourstudyare:(1)Inthispaper,weextendpreviousstudiesbypresentingandanalyz-toextendourunderstandingofwirelessuserbehaviorandwirelessinguserbehaviorandnetwo

4、rkperformanceinapublic-areawire-networkperformance;(2)tocharacterizewirelessusersintermsoflessnetworkusingatracerecordedoverthreedaysattheACMaparameterizedmodelforusewithanalyticandsimulationstud-SIGCOMM'01conferenceheldatU.C.SanDiegoinAugust2001.iesinvolvingwireles

5、sLANtraffic;and(3)toapplyourworkloadThetraceconsistsoftwoparts.Thefirstpartisarecordofperfor-analysisresultstoissuesinwirelessnetworkdeployment,suchasmancemonitoringdatasampledfromwirelessaccesspoints(APs)capacityplanning,andpotentialnetworkoptimizations,suchasal-serv

6、ingtheconference,andthesecondconsistsofanonymizedgorithmsforloadbalancingacrossmultipleaccesspoints(APs)inpacketheadersofallwirelesstraffic.Bothpartsofthetracespanawirelessnetwork.thethreedaysoftheconference,capturingtheworkloadof300,000flowsfrom195usersconsuming4.6GB

7、ofbandwidth.1.INTRODUCTIONThehigh-levelgoalsofourstudyarethree-fold.First,wewanttoAdvancesincommunicationtechnologyandtheproliferationofsupplementtheexistingdomainknowledgeaboutwirelessuserbe-lightweight,hand-helddeviceswithbuilt-in,high-speedradioac-haviorandwirele

8、ssnetworkperformance;researchinWebinfras-cessaremakingwirelessaccesstotheInternetthecommoncasetructure,forexample,hasgreatlybenefitedfromth