Purpose ...........................................................................................................................xiii
Audience ..........................................................................................................................xiii
Conventions .....................................................................................................................xiv
Special Message Formats .........................................................................................xiv
Related Publications ........................................................................................................ xv
How to Get Help ..............................................................................................................xvi
For More Information ......................................................................................................xvii
Chapter 1
Features .........................................................................................................................1-2
Filtering ....................................................................................................................1-3
Caching and Proxy ...................................................................................................1-3
Fault Tolerance .........................................................................................................1-3
Network Management ..............................................................................................1-3
Physical Description .......................................................................................................1-4
Chapter 2
Segmenting a Ring .........................................................................................................2-2
Contents
vii