一種面向特定用戶實現(xiàn)高質(zhì)量傳輸?shù)腜2P內(nèi)容分發(fā)系統(tǒng)的研究與實現(xiàn).pdf

1、北京郵電大學碩士學位論文一種面向特定用戶實現(xiàn)高質(zhì)量傳輸?shù)腜2P內(nèi)容分發(fā)系統(tǒng)的研究與實現(xiàn)姓名：劉若堯申請學位級別：碩士專業(yè)：計算機應用指導教師：楊文川20080201北京郵電大學碩士畢業(yè)論文THERESEARCHANDIMPLEMENT衄ONTOACHIEVEHIGH—QUALITYTRANSMISSl0NINP2PCONTENTDISTRIBUTl0NSYSTEMFOCUSED0NSPECIFICUSERSABSTRACTIIlthef

2、ieldofradioalldteleVision，digital，ne拊orkandinte鏟ationhasbecomethreemajordeVelopmenttrend，”11thFiVe一1YearPlan”periodisalsoChina’sradioandteleVisionbroadcastingtodi西talandinte孕ationofthefuUtransitiontoachieVeleapfrogdeVelo

3、pmentstage，whetherRadiOnetwork0rwiththeinte鏟ationOftheIntemetcanbeaclosedrelationshipThefieldoftraditionalradioandteleVisionenterprisesinthepI0cess，indigitalbroadcastinghasarelatiVelyrapiddeVelopment，suchasDi舀talBroadcas

4、ting，thenetworkteleVisionproduction，pro伊ammingcodeandencryptiontoquicklydeVel叩and伊aduallymatufeInthenetworkthedeVelopmentofnewtechnologiesandapplicatiOnsarerelatiVelyslOw，thisisduetOthelack0ftraditionalradioandtelevision

5、ne研orkbusinessareasandtheaccumulationofOthernetworktechnologyitselfisrapidlyeVolVingIntemetcompanieslaunchedP2Pproductsbecauseofthefeaturesontheradioandtelevisioncannotconlpletelymeettheneedsofapplicationareas，makingthei

6、rproductscanhardlybedirectlyadopted，thecurrentradioandtelevisionnet、加rktechnologyasanimponantareaOfdeVelOpmentbottleneckThemaincontributionsinthispaperareasfollows：(1)AccordingtospecificusersproVidehighqualityseⅣicesP2Pc

7、ontentdistributionneeds，theoVeraUframeworkofparticipationinthedesignandoptimizatiOn(2)AtpresenttherearealotagainstNAraffectedP2PnetworktransmissionapplicatiOnscharacteristics，realizedusingUDPprotocolNATtraVersal，andtheII