DWDM Dense wavelength division multiplexing. The technique of placing several optical
signals on a single optical cable simultaneously.
See also WDM.
EBS Enterprise Backup Solution. HP SAN backup software.
ECB Electronic code book. An encryption cipher mode.
EE Encryption Engine. A feature of the B-series Encryption Switch.
EFMD Exchange Fabric Membership Data. A protocol used in C-series fabric binding
configurations.
enterprise Any large organization where information technology is essential for continuing
operations.
ESCON Enterprise Systems Connection.
ESS Enterprise Storage System.
EVA HP StorageWorks Enterprise Virtual Array. A high-performance, high-capacity,
and high-availability storage solution for the high-end enterprise class marketplace.
Each EVA storage system consists of a pair of HSV virtualizing storage controllers
and the disk drives they manage.
fabric A network of one or more Fibre Channel switches that transmit data between
any two N_Ports on any of the switches.
failover An automatic method for transferring operations from a failed system to a
secondary, identical system.
FC Fibre Channel. A comprehensive set of standards for concurrent communication
among servers, storage systems, and peripheral devices.
FC-AL Fibre Channel Arbitrated Loop. A serial, full-duplex, data transfer architecture
for high-performance storage systems.
FCC Fibre Channel Congestion Control. A feature that allows C-series switches to
intelligently regulate traffic across ISLs and ensure that each initiator-target pair
of devices has the required bandwidth for data transfer.
FCDM Fibre Channel Disk Module.
FCFW Fibre Channel FastWrite.
FCID Fibre Channel ID.
FCIP Fibre Channel over Internet Protocol.
FCoE Fibre Channel over Ethernet protocol.
FCS 1. Fibre Channel switch 2. Fabric Configuration Server, a data access policy
that determines which switches can change fabric configurations.
FCSA Fibre Channel ServerNet Adapter. The HP NonStop version of Fibre Channel
HBAs, used to connect to XP disk arrays.
SAN Design Reference Guide 435
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