HP StorageWorks 8B FC Entry Switch - Manual (Page 42)

Glossary-10 Advanced Performance Monitoring User’s Guide
U_Port Universal Port; a switch port that can operate as a G_Port, E_Port, F_Port, or
FL_Port. A port is defined as a U_Port when it is not connected or has not yet
assumed a specific function in the fabric.
UDP User Datagram Protocol; a protocol that runs on top of IP and provides port
multiplexing for upper-level protocols.
ULP Upper-level Protocol; the protocol that runs on top of Fibre Channel. Typical
upper-level protocols are SCSI, IP, HIPPI, and IPI.
ULP_TOV Upper-level Time-out Value; the minimum time that a SCSI ULP process waits
for SCSI status before initiating ULP recovery.
Unicast The transmission of data from a single source to a single destination. See also
Broadcast, Multicast.
Web Tools A software product that runs on Fabric OS and provides a graphical interface to
allow monitoring and management of individual switches or entire fabrics from a
standard workstation.
Well-known
Address As pertaining to Fibre Channel, a logical address defined by the Fibre Channel
standards as assigned to a specific function, and stored on the switch.
Workstation A computer used to access and manage the fabric. May also be referred to as a
management station or host.
WWN Worldwide Name; an identifier that is unique worldwide. Each entity in a fabric
has a separate WWN.
Zone A set of devices and hosts attached to the same fabric and configured as being in
the same zone. See also Zoning. Devices and hosts within the same zone have
access permission to others in the zone, but are not visible to any outside the zone.
Zone
Configuration A specified set of zones. Enabling a configuration enables all zones in that
configuration. See also Defined Configuration, Enabled Configuration.
Zoning A software product that runs on Fabric OS and allows partitioning of the fabric
into logical groupings of devices. Devices in a zone can only access and be
accessed by devices in the same zone. See also Zone.