1. Introduction to ATM Adobe Type Manager Air Traffic Management Amateur Telescope Makers Anti-Therapeutic Medicine Association of Teachers of Mathematics Asynchronous Transfer Mode Automatic Teller Machine

2. Time Division Multiplexing Synchronous Transfer Mode 1: Compressed Audio 2: Idle voice 3: Data 4: Idle Voice 5: Full voice 6: Full voice

3. Asynchronous Transfer Mode 1: Compressed Audio 2: Idle voice 3: Data 4: Idle Voice 5: Full voice 6: Full voice

4. Voice over ATM X X X ATM VC phones

5. Voice over ATM Circuit emulation service (CES / AAL1) –Fixed # services e.g. 24 Voice Telephony over ATM(VTOA/AAL2) –Supports signalling –> service speed X #attached phones (multiplex)

6. Private-Private Network Interface PNNI Abstracted network view –OSPF running out of band, –or manual hierarchy Source routing –PNNI prefixed network address and hierarchy –Recalculated on entry to PNNI subnetwork

7. Problems # entries in cross connection tables in interior switches # entries in VC termination, MPOA tables at edge devices managing the statistical nature on a per flow basis across a huge network