.SAN design reference guide Vol. 1-5 785350-001

iSCSI Internet Small Computer System Interface. A standard protocol that uses SCSI commands to
transfer data over IP networks.
ISID Initiator session ID.
ISL Interswitch link. A connection from an E-port on one switch to an E-port on another switch.
iSNS Internet Storage Name Service. An iSCSI client-server discovery protocol.
IVR Inter-VSAN routing. A C-series topology that provides selective Fibre Channel routing connectivity
between devices in different VSANs.
L
LAG Link aggregation group.
LC Lucent connector. An industry-standard connector for fiber optic cable connections.
LDEV Logical device.
LFF Large form factor. Used to describe a type of drive cage.
LLDP Link Layer Discovery Protocol.
LR Long Reach.
LSAN Logical SAN. An interconnected network of independent fabrics for B-series switches.
LTO Linear Tape-Open.
LUN Logical unit number. An identification scheme for storage disks.
LUSE Logical unit size expansion.
M
MAN Metropolitan area network. A communications network that covers a geographic area such as
a town, city, or suburb.
MCU Master control unit.
MIB Management Information Base (B-series).
MME Multimedia encryption.
MP Router Multi-protocol Router.
MPIO Multipath I/O (Microsoft software).
MSA Modular Smart Array. An HP storage system.
MSCS Microsoft Cluster Server software.
MSM C-series Multiservice Module.
MTU Maximum transmission unit.
N
NAT Network address translation.
NDCLA Nondisruptive code load and activation. A high-availability switch feature.
NIC Network interface card.
NPIV N_Port ID Virtualization. An industry-standard protocol.
NPV N_Port Virtualization.
NSPOF No single point of failure. A configuration where failure of a single component does not cause
failure of the entire system.
O
OADM Optical add-drop multiplexer.
OC Optical Carrier. A range of digital signals used on a SONET network.
OCP Operator control panel. A panel on the EVA controller that you use to manage the EVA.
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