基于SIP的企業(yè)即時通信系統(tǒng)的研究.pdf

1、武漢理工大學碩士學位論文基于SIP的企業(yè)即時通信系統(tǒng)的研究姓名：宋薇申請學位級別：碩士專業(yè)：計算機應(yīng)用技術(shù)指導(dǎo)教師：熊前興20060501武漢理工大學碩士學位論文AbstractwjththedeVelopmentofnetworkteclmology，InstantMessa垂ng(IM)hasbeenareqtlirememofon—liIleactivitiesAndnowtheresearchhotspotsinthelIlst

2、antMessagingfieldhavechanged疔omPersonalmstantMessa百ng(PIM)toEmerprisemstantMessaging(EIM)Therearemany舢Rimediarealtimecornmunicationso行wareon111temetatpresemMajorofmemcanreaJi2ecommunicatewithomersbyteXt，audioa11dVideoBut

3、t11efollowillgquestionSgenerallyexistinthesesoftwareFirstofall，theycannotcommunicatewitlleacho血erbecausetlleyadoptmemselVesprotoc01Secondly，10tsofIM盯edi伍砌ttoadaptto廿lecoI印licatednetworkenViromentT1lisaniclea11alysesthea_

4、boVeMopmblemscarefully’adoptSession111itiationprotocoltesolVet11e矗rstproblem，趾ddesignasolutiontesolvemeprobl鋤ofN”ThvelSIPisa11印plicationlaycrcontrol(sigIlaling)protoc01prclposedbyIETFforcreating，modi螄nga王1dte皿inat主119sos

5、sionsItisdesjgIled8sp積oftheoveral】IIltemetm11ltimediadataandcontr01architectllreHowever，theopemtiona11d脅ctionalityofS口doesnotd印endonanyotherpmtocolsIIltllenlesis，theobjectiVeistopmposeanSIPbasede)【periInemalsystemmodalof

6、realtimeI礬ltimediat11atiseasytobeinte鏟atedwimomcrapplicationsoftwareFirst，mep印er缸alyzingtheproblemofEIMThendescribed也earchitcctIlre，劬ctionsandcallprocessofSIPindetails，恤enshowingmesupervisoryofSIP，andchacteristicsa11dpri

7、llcipleofIHP／RTCPprotocolsthat盯eusedtotmnsrnjtrealtimernultimediada協(xié)inbrieny廿1econtents；con是m曲gthesystemdesigningobject，o飪brir培也esystemlo昏cmodel，analyzing也esmlcnlreofsystem109icmodllles，a工ldprovidingthedesignOfeachlogicm

8、odule；accordingtothe109icmoduleinthep印ernledesigllc伽叩letetheEIMbasedonSIPandanalyzing血emosUykeytec王lnologiesadoptedinnlepmcessingofcornpletingtllesystemiIldetailAt1器t，a越y(tǒng)zesthesecuritythreats舭edwitllbySIPandtheactualityo