UDP (User Datagram Protocol) The
IP standard protocol that allows an application program on one
machine to send a datagram to an application program on another
machine. UDP uses the Internet IP to deliver datagrams.
UPS (Uninterruptible Power Supply) A
battery, attached to a piece of hardware, for example a server,
that provides backup power for conducting an orderly shutdown
if the server's normal power supply fails.
UTP (Unshielded Twisted Pair) The
standard cabling used for telephone lines. The standard IEEE 802.3,
10BaseT, defines use of Ethernet over UTP for rates up to l0Mbit/s.
The general LAN medium of choice for the 1990s, UTP is marketed
in brands such as AT&T's PDS (Systimax) and OSCA.
