Tutorial De Atm(Inglés)

ATM

Tutorial

ATM

August 5, 2004

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Ethernet Tutorial

Introduction .................................................................................. 1Objectives................................................................................ 1 Standards ................................................................................ 1 Distribution Method ................................................................. 1 ATM ............................................................................................. 3 The ATM Forum, ITU and ANSI.............................................. 3 ATM Cells .................................................................................... 5 Header Cell Structure.............................................................. 5 ATM Protocol ............................................................................... 7 Physical Layer......................................................................... 7 ATM Layer............................................................................... 7 AAL Type 1 (AAL1) ............................................................. 9 AAL Type 2 (AAL2) ............................................................. 9 AAL Type 3/4 (AAL3/4) ....................................................... 9 AAL Type 5 (AAL5)............................................................. 9 ATM Service Categories............................................................ 11 ATM Access............................................................................... 13 ATM Interface Connections................................................... 13 ATM Connections.................................................................. 13 ATM Connection Topologies................................................. 13 Virtual Paths and Virtual Channels ............................................ 15 Virtual Path and Channel Switches ....................................... 15 ATM Quality of Service .............................................................. 17 ATM Traffic Contract ............................................................. 17 ATM TrafficControl.................................................................... 19 Connection Admission Control .............................................. 19 Parameter Controls ............................................................... 19 Priority Control....................................................................... 19 Network Resource Management..............................................