基于IP尋址的視聽寬帶網(wǎng)絡.pdf

1、南開大學碩士學位論文基于IP尋址的視聽寬帶網(wǎng)絡姓名：李學平申請學位級別：碩士專業(yè)：計算機應用指導教師：韓維桓19990501BroadbandvideoaudionetworkbasedonIPaddressingAbstract’theApplicationofvideoandaudiomultimediasuchasVideo山DemandVideophoncandVideoConferenceetc]sbecomingwidera

2、ndwiderandreceivingmorefocuses.Howeverthevideoinformationrequiressuchahighbandwidththatnohighqualitymultimediaservicescouldbeprovidedundercurtcninetwork.工nternetiseverywherebutitisntabletoensurethequalityofservice.How1.o

3、utilizethecore(echniqueIPaddressingtoprovidehighqualitymultimediaservicesbecomesthehotpointofresearchnowzlday凡Ontheotherhand，ATM(AsvnchronousTransferMode)SDH(SynchronousDigitalHierarchyTransportNetwork)andWDM(WavelengthD

4、ivisionMultiplexing)havecometoperfectionwithhandwidthuptoGhs，even「tbsThereisnothingbetterthanIPoverATMIPoverSDHandTPoverWDMDWDMtobechoiceoftheconstructionofnext.generationInternetandthecarriersofvideoandaudiomultimediain

5、formation.ThisarticledescribestheinternationalstandardsofimplementingvideoaudiomultimediaandvideocodingalgorithmsandanalyzesthepossibilityofrealizationmultimediaoverIPnetwork.Italso]ntroducesthef，utures.principlesandfutu

6、reof1PoverATMIPoverSDIiIPoverWDMDWDM.ItalsodealswithANtechnologytorealizethelastkilometerofinformationhighway.FinallyitexemplifiestheVodrealizationbyTfanjlnLeadersInformationandServicesSystemandgoesfurtherintohowtoinalvz