ATM: Unifying InfrastructureATM today: standardsApplications: Circuit emulationXianfeng ZengSept 13 1999TRANSPORT TRANSPORT ATM & TRANSPORTFR ServiceFR ATMATMFRCell RelayCell RelayCell RelayFRVoice VoiceATMATM to theDesktopDesktopLegacy LANDesktopRoutersPABXOther LAN Backbone• ATM evolution in the network infrastructure• ATM evolution in the LAN infrastructureATM: Unifying InfrastructureXianfeng ZengSept 13 1999ATM Forum - “The Anchorage Accord”Alignment with ITU-TStability - Completed specifications provide the framework for service and product availabilityBackward compatibiliy or interoperabilityWirelessBICI3.0M1M2M3PHYSpecsBICI2.0M4M54.0SIG4.0TM4.0ILMI4.0UNI 3.1PNNI2.0PNNI1.0IISPAMS1.0MPOALANE2.0LANE1.0AIWXTIWinsock2SemanticAPI1.0TestSpecsSecurityDir. SvcsFUNI 2RBBVTOADXIFUNI 1CESFR/ATMSMDS/ATMFoundation Specs Application & Service SpecsATM today: standardsXianfeng ZengSept 13 1999Applications: Circuit emulationLegacy LANLegacy LANPABX PABXPublic ATM Networkor private leased lineVoice and Data• CBR - Unstructured circuit emulation• VBR-rt - Structured circuit
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