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public loop An arbitrated loop that includes a participating FL_Por t and
may contain both public and private NL_Ports. See also
arbitrated loop.
public NL_Por t 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 pool of
frame buffers.
R_A_TOV Resource allocation time-out value. The maximum time a frame
canbedelayedinthefabricandstillbedelivered.
route With respect
to a fabric, the com munication path between two
switches. May also apply to the specific path taken by an
individual frame from source to d estination.
routing The assignment of frames to specif ic switch ports according to
frame destination.
RR_TOV Resource recovery time-out value. The minimum time a target
deviceinaloopwaitsafteraLIPbeforeloggingoutaSCSI
initiator.
RSCN Registered state change notification. A switch function that
allows notification of fabric changes to b e sent from the switch
to the specified no des.
SAN Storage area network. A net work of systems and storage
devices that com municate using FC protocols.
SDRAM Synchronous dynamic random access memor y. The main
memor
yforaswitch. See also switch.
sequence A group of related frames transmitted in the same direction
between t wo N_ports.
single mode The fiber optic cabling standard that corresponds 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 a nd UDP for tra n spor t 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
SAN Switch installation guide
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