基于SIP協(xié)議的特征服務器的設計.pdf

1、華南理工大學碩士學位論文基于SIP協(xié)議的特征服務器的設計姓名：孫永新申請學位級別：碩士專業(yè)：計算機應用技術指導教師：張宇20030503華南理工大學工學碩士學位論文AbstractSoftswitchisthecoreofNGN(NextGenerationNetwork)SoftsmitchisbasicallyasoftwareentityandbasedonpacketswitchAssofts寄itchhaslotsofadva

2、ntages，itisahotpointofnowadaysnetworkresearchAtthemoment，theemphasisofsoftswitchresearchhasbeenincliningtodevelopsoftswitehdeviceandservice／appticationproductSo，it’savaluablesubjecttobeconsideredabouthowtodesignsoftswitc

3、hsystemandhowtodesigntheserviceplatformofsoftswitch。ThepaperⅣi11focusontheimplementationofsoftswitchsystemandthedesigningofthefeatureserver，whichisoneoftheelementsofsofts罐itch霉hemainworksareshownasfollows：1Introducetheba

4、ckgroundofthesoftsⅣitchandbycomparationwiththetraditionaltelecommnetwork，analysisthecharactersofthesoftswitcharchitecture36Keywmrds：BrieflyintroducethehasicconceptsandtheelementsofSIP(SessionInitialProtocal)attdillustrat

5、ethecharactersoftheSIPwhenusedinthecal1contr01Introducethe“l(fā)ayer—plane’’ideaindesigningthesoftswitchsystem，andthenintroducetheapproachtoimplementaSIPbasedsoftswitchsystemAsweutiIizetheVOVIDASIPstackindesigningfeatureserv

6、er。theVOVIDASIPstackisalsointroducedinthethesisBycomparingandanalysisingseveralmethodsforsoftswitch’Sserviceimplementation，chooseCPLastheserviceprogramminginterfaceofthefeatureserver，bringupthedefinitestatemachinemodelgo

7、ingwiththeCPLandintroducetheCimplementationofthedefinitestatemath[he，Basedonthebasicrequil”ementofthefeatureserverinthetestsoftswitchsystem，developthesoftwareofafeatureserverwithVCinMicrosoftWindow2000Maindesignideaisint