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
Compare rib site, leaf site.
Bachman Information Systems « backbone « backbone
backbone site » back door » back-end » Back End