- Hewlett-Packard SAN Switch Installation Guide

public loop An arbitrated loop that includes a par ticipating FL_Port and
may contain both public and private NL_Ports. See also
arbitrated loop.
public NL_Port An NL_Port that logs in to the fabric, can function within a
public or private loop, and can communicate with private or
public NL_Ports. See also private loop.
quad A group of four adjacent ports that share a common p ool of
frame buffers.
R_A_TOV Resource allocation time-out value. The maximum time a frame
canbedelayedinthefabricandstillbedelivered.
route With respect
to a fabric, the communication path between two
switches. M ay also apply to the specific path taken by an
individual frame from source to destination.
routing The assignment of frames to specific switch ports according to
fram e d estination.
RR_TOV Resource recovery time-out value. The minimum time a target
deviceinaloopwaitsafteraLIPbeforeloggingoutaSCSI
initiator.
RSCN Re gistered state change notification. A switch function that
allows notification of fabric changes to be sent from the switch
to the specified nodes.
SAN Storage area network. A network of systems and storage
devices that communicate using FC protocols.
SDRAM Synchronous dynamic random access memory. The main
memor
yforaswitch. See also switch.
sequence A group of related frames transmitted in the same direction
between two N_ports.
single mode The fiber optic cabling standard that c orresponds to distances
up to 10 km between devices.
SNMP Simple Network Management Protocol. An Internet
management protocol that uses either IP for network-level
functions and UDP for transport functions, or TCP/IP for
both. SNMP can be made available over other protocols
(suchasUDP/IP)becauseitdoesnotrelyontheunderlying
communication protocols. See also MIB, trap (SNMP).
SNS Simple Name Server. A switch service that stores names,
addresses, and attributes for up to 15 minutes, and provides
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