Short for
very high-speed Backbone Network Service, an experimental
wide-area network backbone sponsored by the National Science Foundation (NSF) and implemented by MCI. vNBS has replaced
NSFnet and is designed to serve as a platform for testing new, high-speed
Internet technologies and protocols. It currently links several Supercomputer Centers (SCCs) and
Network Access Points (NAPs) at OC-12 speeds (622
Mbps). By 1998, it will support data, voice and video traffic at 2.5
Gbps.