1、毽捌電占科技女管碩士學位論文MASTERDISSERTATION論文題目基fP2P的VOD系統(tǒng)髂型研究壁壁塑鲞墮堂鹽要羞塑學科專業(yè)指導教師計算機系統(tǒng)結構盧顯良教授作者姓名王巫蜓班學號———塑墮叢堅幽ABSTRACTAlongwiththedevelopmentofnetworktransmissiondevices，vid。0—on以a∞and(NOD)becomesmoreandmorepopulerontheInteractForm

2、erVODsystemsalebasedonClient／Server(c／s)concentratedarchitecturewhichnotonlylimitedthecapabilityofVODsystemandneWyorkbandwidthbutalsomaketheVODsystemburdenedtooheavywhichleedtothebaduserexperienceThepeertopeer(P2P)techno

3、logyisdifferentfromC／SmodeeachnodeinthenetispeertopoeLEachnodeacts弱bothser弋，efandclienttoprovideuploadandregaleondownloadResortstoitsexpansibilityandhi班resiliencetofailureandhaleness，thetechnologyofP2Phasdevelopedswiftly

4、andviolentlyandgraduallyappliestothefieldofvideofiequencytechnologyThisthesisisbasedontheprojectofPPCDNPPCDNisasupportingsystemofⅡ’v6streamdistributionapplicationsystemaswellasacontentdistributionsystembasedonP2Ptechnolo

5、gysponsoredbyresearchofthe口v6basednextgenerationInternetkeytechnologyandindustrializationpromotionofBeijingMunicipalScienceandTechnologyCommissionTheauthorfoundsastaticmathematicsmodeloftheVODprocessofPPCDNbaseonprobabil

6、itytheoryandthenstudystherelationshipbetween∞Tver’sloadandthelengthofbufferthateaehpeerstoresThispaperproposedagenericarchitectureofP2PsimulatorafterexaminingthefundamentalP2PtheoryandotherP2Psimulatorinordertoanalysethe

7、VODprotocolandtooptimizethesystemBaseonthegeneticsimulatoraVODprotocolsimulatorisdesignedandimplementedFinallytheprotocoloptimizationworkisaccomplished、歷mthehelpofVODsimulatorTheVODsimulatorisdevelopedinC抖languagewiththe

8、modularizationideaItconsistsoffourparts：thediscreteevent—drivenmodulethetopologymodule，theprotocolmoduleandtheinputoutputmoduleThediscreteeventdrivenmoduleisthekeypartofthesimulatorItsortsandschedulesallkindsofeventseffe