Appendix B: Acronyms
August 1997
Page B-7
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UDP
User Datagram Protocol
UP
Usage Parameter
URL
Universal Resource Locator
VCN
Virtual Circuit Nember
VPDN
Virtual Private Dial-up Network
VTY
Virtual Terminal
WAN
Wide Area Network
XNS
Xerox Network Systems
XOT
X.25 Over TCP
