HP StorageWorks 4000/6000/8000 - Enterprise Virtual Arrays Reference Manual page 438

LUN Logical unit number. An identification scheme for storage disks.
LUSE Logical unit size expansion.
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 StorageWorks storage system.
MSCS Microsoft Cluster Server software.
M-series Fibre Channel switches manufactured for HP by McDATA Corporation.
MSM C-series Multiservice Module.
MTU Maximum transmission unit.
NAT Network address translation.
NDCLA Nondisruptive code load and activation. A high-availability switch feature.
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.
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.
OS Operating system.
out-of-band Communication through a different communications channel than that used by
communication operational data.
oversubscription When transmissions from one or more devices exceed the capacity of an ISL or
port.
PAP Password Authentication Protocol. A security protocol.
PCM power and control modules.
PDC Processor-Dependent Code.
438 Glossary