HP Surestore 64 - Director Switch User Manual page 243

unicast
Communication between a single sender and a single receiver over a network. Compare
to multicast (communication between a single sender and multiple receivers) and
anycast (communication between any sender and the nearest of a group of receivers).
Similar in meaning to point-to-point communication.
V
vital product data
System-level data stored by the backplane in the electrically erasable programmable
read-only memory. This data includes serial numbers and identifies the manufacturer.
VPD
See vital product data.
W
warning message
Indication that a possible error has been detected. See also error message and
information message.
wrap plug
See loopback plug.
World-Wide Names
Eight byte address that uniquely identifies a switch, or a node (end device), even on
global networks.
WWN
See World-Wide Names.
Glossary 227