HP StorageWorks 4/16 Brocade SAN Glossary for Fabric OS v6.0.0 - Page 23
Registered State Change Notification. A switch function that allows
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R_T_TOV Radius RAID RAIT Receiver Transmitter Timeout Value. Used by the receiver logic to detect loss of synchronization between transmitters and receivers. The greatest "distance" between any edge switch and the center of a fabric. Redundant Array of Independent Disks. Disks that look like a single or multiple volumes to the server and are fault-tolerant either through mirroring or parity checking. Redundant Array of Independent Tapes. RBAC Role-Based Access Control. Receiver A device that does detection and signal processing. Redundancy Having multiple occurrences of a component to maintain high availability. Remote switch An optional product for long distance fabrics requiring a Fibre Channel-toATM or SONET gateway. Repeater A circuit that uses recovered clock to regenerate and transmit an outbound signal. Resilient core/edge topology Two or more switches acting as a core to interconnect multiple edge switches, nodes attach to the edge switches. Responder The N_Port with which an Exchange originator wishes to communicate. Retimer A circuit that uses an independent clock to generate outbound signals. Root zone database The zone database from a pre-Fabric OS 5.2.0 fabric; once Fabric OS 5.2.0 or later is installed, the root zone database is owned by AD0. Route A path between two switches. Routed fabric Two or more edge fabrics interconnected by one or more backbone fabrics. Routing The assignment of frames to specific switch ports, according to frame destination. RSCN Registered State Change Notification. A switch function that allows notification to registered nodes if a change occurs either with or within the fabric. RTWR Reliable Transport With Response. RX_ID Responder Exchange Identifier. A 2-byte field in the frame header that may be used by the responder of the Exchange to identify frames as being part of a particular exchange. S S_ID SA Source Identifier. A 3-byte field in the frame header used to indicate the address identifier of the N_Port from which the frame was sent. Security Association. The collection of security parameters and authenticated keys negotiated between IPsec peers. Brocade SAN Glossary 1/29/2008 Page 23 of 29