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Departmental Switch Models DS-16B and DS-8B Web Tools User Guide
g-13
Glossary
U
U_Port Universal Port. Switch port that can operate as G_Port, E_Port,
F_Port, or FL_Port. A port is defined as a U_Port if not connected or if
it has not assumed a specific function in the fabric.
ULP Upper Layer Protocol. Protocol that runs on top of fibre channel.
Typical upper layer protocols: SCSI, IP, HIPPI, IPI.
Unicast Transmission of data from a single source to single destination. See
also Broadcast, Multicast.
W
Well-known address
As applies to fibre channel, a logical address stored on the switch and
defined by fibre channel standards as being assigned to a specific
function.
WWN World Wide Name. Identifier that is unique world-wide. Each entity
in a fabric has a separate WWN.
Z
Zone Set of hosts and devices attached to same fabric and having access
permission, including RSCNs and user data, to each other. Entities
inside a zone are not visible to entities outside the same zone, even if
the outside entities are in another zone. Equivalent to network term
virtual LAN.
Zoning A way to partition fabric into logical groupings of devices.
Zone configuration A specified set of zones. Enabling a zone configuration enables all
zones in that configuration. See also Defined configuration, Enabled
configuration.