Backbone site

A key Usenet, electronic mail and/or Internet site; one that processes a large amount of third-party traffic, especially if it is the home site of any of the regional coordinators for the Usenet maps.

Notable backbone sites as of early 1993 include uunet and the mail machines at Rutgers University, UC Berkeley, DEC's Western Research Laboratories, Ohio State University and the University of Texas.

Compare rib site, leaf site.

[Jargon File]

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BACAIC Bachman Bachman Information Systems backbone backbone cabal	backbone site leaf site net.god rib site	back door back-end Back End Generator Back End Generator Language backgammon