23.894-060_clean

《23.894-060_clean》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、3GPPTR23.894V0.6.0(2008-11)TechnicalReport3rdGenerationPartnershipProject;TechnicalSpecificationGroupServicesandSystemAspects;SystemenhancementsfortheuseofIMSservicesinlocalbreakoutandoptimalroutingofmedia(Release8)Thepresentdocumenthasbeendevelopedwithinthe3rdGenerationPa

2、rtnershipProject(3GPPTM)andmaybefurtherelaboratedforthepurposesof3GPP.Thepresentdocumenthasnotbeensubjecttoanyapprovalprocessbythe3GPPOrganizationalPartnersandshallnotbeimplemented.ThisSpecificationisprovidedforfuturedevelopmentworkwithin3GPPonly.TheOrganizationalPartnersa

3、cceptnoliabilityforanyuseofthisSpecification.Specificationsandreportsforimplementationofthe3GPPTMsystemshouldbeobtainedviathe3GPPOrganizationalPartners'PublicationsOffices.3GPPTR23.894V0.6.0(2008-11)40Release8Keywords3GPP,Architecture,SAE3GPPPostaladdress3GPPsupportofficea

4、ddress650RoutedesLucioles–SophiaAntipolisValbonne–FRANCETel.:+33492944200Fax:+33493654716Internethttp://www.3gpp.orgCopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©2007,3G

5、PPOrganizationalPartners(ARIB,ATIS,CCSA,ETSI,TTA,TTC).Allrightsreserved.3GPP3GPPTR23.894V0.6.0(2008-11)40Release8ContentsForeword5Introduction51Scope62References73Definitions,symbolsandabbreviations73.1Definitions73.2Symbols73.3Abbreviations74OverallRequirements85Architect

6、uralRequirementsandAssumptions86ScenariosandSolutionsforlocalbreakout96.1Scenarios96.1.1P-CSCFlocatedinhomenetwork–dualIPaddress96.1.2P-CSCFlocatedinhomenetwork–singleIPaddress106.1.3P-CSCFlocatedinservingnetwork116.2Alternative1:DualIPaddress116.2.1Description116.2.2Impac

7、tonIMS146.2.3ImpactonEPS146.2.4ImpactonUE156.3Alternative2156.5Comparisonofthescenarios157ScenariosandSolutionsforoptimalroutingofmedia157.1Scenarios157.2ExtensiontoSDPforTrGWbypass167.2.1Introduction167.2.2ReferenceArchitecture177.2.3Descriptionofbasealgorithm187.2.3.1Ove

8、rview187.2.3.2Proceduresandcallflows197.2.3.2.1Exampleflowforbasealgorithm197.2.4Descript