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Contents
About This Guide
Audience .......................................................................................................................... xx
Before You Begin ............................................................................................................. xx
Bay Networks Customer Support .................................................................................... xx
CompuServe .............................................................................................................xxi
InfoFACTS .................................................................................................................xxi
World Wide Web .......................................................................................................xxii
How to Get Help .............................................................................................................xxii
Conventions ....................................................................................................................xxii
Ordering Bay Networks Publications .............................................................................xxiii
Acronyms .......................................................................................................................xxiii
Chapter 1
ATM Overview
ATM Cell .........................................................................................................................1-1
Cell Header ..............................................................................................................1-2
Cell Information Field ...............................................................................................1-3
ATM Layers .....................................................................................................................1-4
AAL 3/4 ....................................................................................................................1-5
AAL 5 .......................................................................................................................1-6
Data Transmission ..........................................................................................................1-7
Permanent and Switched Virtual Connections ...............................................................1-8
ATM DXI versus ATM ......................................................................................................1-8
For More Information ......................................................................................................1-9
Chapter 2
ATM DXI Features and Implementation Notes
ATM DXI Support ............................................................................................................2-2
Multiprotocol Encapsulation .....................................................................................2-2
AAL Sublayer Support ..............................................................................................2-3
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