NSFNet Design
Three Tiers:
- High: Backbone
- Middle: Regional Networks (BARRnet, SURAnet, Merit, ...)
- Low: Network Access Provider
NSF Acceptable Use Policy ("AUP:" Research/Education only;
only applies to NSF part of Internet)
NSF Backbone
Schematic representation of NSF backbone, connected networks (Donna Cox, NCSA, 1992)
Black-and-white map of backbone in Postscript format
R. P. C. Rodgers, Lister Hill Center, NLM (May 1994)
