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ATM: Unifying Infrastructure

ATM: Unifying Infrastructure. ATM evolution in the network infrastructure. Cell Relay. FR. FR Service. Cell Relay. Cell Relay. FR. Voice. Voice. ATM. FR. ATM. TRANSPORT. TRANSPORT. ATM & TRANSPORT. ATM evolution in the LAN infrastructure. ATM to the Desktop. Desktop.

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ATM: Unifying Infrastructure

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  1. ATM: Unifying Infrastructure • ATM evolution in the network infrastructure Cell Relay FR FR Service Cell Relay Cell Relay FR Voice Voice ATM FR ATM TRANSPORT TRANSPORT ATM & TRANSPORT • ATM evolution in the LAN infrastructure ATM to the Desktop Desktop Desktop PABX Legacy LAN Routers Other LAN Backbone ATM

  2. ATM today: standards • ATM Forum - “The Anchorage Accord” • Alignment with ITU-T • Stability - Completed specifications provide the framework for service and product availability • Backward compatibiliy or interoperability Security Dir. Svcs FUNI 2 RBB VTOA AIW XTI Wireless MPOA PNNI 2.0 M1 M2 M3 Winsock 2 BICI 3.0 LANE 2.0 DXI PNNI 1.0 AMS 1.0 FUNI 1 PHY Specs Semantic API 1.0 Test Specs CES M4 BICI 2.0 SIG 4.0 TM 4.0 ILMI 4.0 LANE 1.0 4.0 IISP FR/ATM M5 SMDS/ATM UNI 3.1 Foundation Specs Application & Service Specs

  3. Applications: Circuit emulation Legacy LAN Public ATM Network or private leased line Voice and Data Legacy LAN PABX PABX • CBR - Unstructured circuit emulation • VBR-rt - Structured circuit emulation

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