基于h.323協(xié)議的可運(yùn)營(yíng)的ip視頻會(huì)議業(yè)務(wù)管理系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn)

1、北京郵電大學(xué)碩士學(xué)位論文基于H.323協(xié)議的可運(yùn)營(yíng)的IP視頻會(huì)議業(yè)務(wù)管理系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn)姓名：呂俊輝申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)軟件與理論指導(dǎo)教師：李懷誠(chéng)20030301北S:4曳叁嘗b絲匹竺絲ir乙一一一一一一一一一一一一一[Abstract]DesignandImplementationofanOperationalrPVideoConferenceServiceManagementSystemBasedOn1.323Protoc

2、olTheemergenceanddevelopmentofVideoConference(VC)techniquehavegreatlychangedthesocialactivitiesofhumanbeings.WiththeimprovementofbroadnetworktechniquesandthestrongmarketdemandofthisserviceVCsystembeginstostepoutfrompriva

3、tenetworktopublicnetworkgradualy.MostoftodaysVCsystemsdonotprovideanysupportsonoperationandbusinessmanagementsotheyWhatsmorethisarticleprovidesadesignandimplementationsolutionofaVCservicemanagementusingtheadvancedJ2EEEJB

4、technique.Therearesixpartsinthispaper:ThefirstpartlooksbackthedevelopmentprocedureofeverykindoftechnologiesassociatedwithVCsystemanalyzesthenecessitiesofbuildingIPVCservicemanagementsystemfromtheaspectsofmarketandoperati

5、onofVCservicesandputsforwardtheresearchdirectionandtaskofthispaper.Inthesecondpartwebrieflyintroducethe1.323protocolfamilyincludingthebasicframeworkprotocol(1.323)thecalsignalprotocol(1.225.0)themediacontrolprotocol歸.245

6、)themediatransportationprotocols(RTPRTCP)dieaudiocodecprotocols(Q72372Sl729)andthevideocodecprotocols歸.2611.263)Thethirdpartintroducesthenetworkarchitectureofan1.323IPVCsystemenumeratesthebasicfunctionsofVCservicemanagem

7、entsystemanddiscussesseveralmainproblemsindetailincludingusermanagementmodelusercertificationmodelresourcealocationpolicyconferencemanagementmodelandbillingpolicyInthefourthpartweputforwardthesoftwarearchitectureofthisma

8、nagementsystembasedonJ2EEEJBtechniqueanddividethewholesystemintofoursublayer.databasedeviceadaptlayerbusinessrulessupportlayerbusinessruleslayeranduseraccesslayerwhicharegivenadetaildesigndiscussionseparately.Thefifthpar

9、tsummarizestheadvantagesofthisVCservicemanagementsystemandpointsoutsomeunsolvedproblemsatthesametime.ThelastpartexplainstheprospectoftheVCsystemfrommarketingandtechnologyaspectsandintroducestheSIPtechniqueinfewwords.What

10、IhavetomentionisthistopiccomesfromthevideoconferenceservicemanagementsystemprojectofAsiainfoTechnologies(China)Inc.TheusermanagementtreemodelcentralizedconferencemanagementmodelJ2EEsoftwarearchitectureandtheideaofresourc