【整理】IMS相关知识学习：es_282001v020000m.pdf TISPAN NGN Functional Architecture

• 总体内容和架构
• 文字版
• Service Layer Model
• Subsystems
• Core
• IMS= IP Multimedia Subsystem
• Other
• PES=PSTN/ISDN Emulation subsystem
• IPTV Subsystem
• Common components
• UPSF=User Profile Server Function
• SLF=Subscription Locator Function
• ASF=Application Server Function
• IWF=Interworking Function
• Transport layer
• Transport control sublayer
• NASS=Network Attachment Subsystem
• RACS=Resource and Admission Control Subsystem
• Transport processing function
• BGF=Border Gateway Function
• RCEF=Resource Control Enforcement Function
• ARF=Access Relay Function
• MGF=Media Gateway Function
• MRFP=Media Resource Function Processor
• SGF=Signalling Gateway Function
• AMF=Access Management Function
• BTF=Basic Transport Function
• EFF=Elementary Forwarding Function
• ECF=Elementary Control Function
• UE=User Equipment
• 图
• TISPAN NGN overall architecture
• 
• Example architecture with xDSL access
• 
• Transport processing functions overview
• 

• TISPAN 不同模块内容
• Distributed subsystems
• 
• Access and aggregation segments
• 
• Common components overview
• 
• Charging and Data Collection Functions
• 
• Network interconnection at transfer level
• 
• User Equipment (UE)
• 
• 说明
• UE=User Equipment
• TE= Terminal Equipment
• CPN=Customer Premises Network
• CND=Customer Network Devices
• CNG=Customer Network Gateway
• R-MGF=Residential MGF
• Authentication
• NGN Authentication Levels
• 

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