Zoning User's Guide

Zoning User’s Guide

Remote Switch Product that enables two switches to connect over an ATM connection.

Requires compatible fibre channel-to-ATM gateways. Can be up to 10

kilometers distance between each switch and respective gateway.

Request Rate The rate at which requests arrive at a servicing entity. See also Service Rate.

Route As applies to fabric, a communication path between two switches.Routing

is the assignment of Class 2 or 3 frames to the most appropriate switch ports

for the intended destinations. See also FSPF.

RR_TOV Resource Recovery Timeout Value. The minimum time a target device in a

private loop must wait after a LIP before logging out a SCSI initiator. See

also E_D_TOV, R_A_TOV.

RSCN Registered State Change Notification. Switch function that sends notification

of fabric changes from the switch to specified nodes.

SAN Storage Area Network. Network of systems and storage devices that usually

communicate using fibre channel protocols. See also Fabric.

Sequence A fibre channel structure containing one or more frames transmitted in a

unidirectional manner between N_Ports. See also Exchange, Frame.

Service Rate The rate at which an entity can service requests. See also Request Rate.

SI Sequence Initiative.

Single mode Fibre-optic cabling standard that provides for distances of up to 10 kilometers

between devices.

SNMP Simple Network Management Protocol. Internet management protocol that

does not rely on underlying communication protocols and can therefore be

made available over other protocols, such as UDP/IP. Uses IP for network

layer functions and UDP for transport layer functions, or TCP/IP for both.