FW V06.XX/HAFM SW V08.02.00 HP StorageWorks Directors and Edge Switches Glossary (AA-RU5JB-TE, July 2004)

Glossary
23Directors and Edge Switches Glossary
interface
(1) A shared boundary between two functional units, defined by functional, signal, or other
characteristics. The concept includes the specification of the connection of two devices having
different functions. (2) Hardware, software, or both, that link systems, programs, or devices
interface controller
The chip or circuit that translates computer data and commands into a form suitable for use by
the hard drive and controls the transfer of data between the buffer and the host.
internet protocol address
(IP address) — Unique string of numbers (in the format xxx.xxx.xxx.xxx) that identifies a
device on a network.
interoperability
Ability to communicate, execute programs, or transfer data between various functional units
over a network.
interoperability mode
(interop mode) — An operating mode, set through management software, that allows products
to operate in homogeneous or heterogeneous fabrics.
interswitch link
(ISL) — Physical expansion port (E_Port) connection between two directors in a fabric.
interswitch link hop
ISL hop. See hop.
intranet
A private version of the Internet that provides a cost-effective way to publicize critical
information and that provides an interactive communication path for heterogeneous systems.
Internal to a specific organizational structure and secured from or disconnected from the global
Internet.
IOCDS
A data set that contains an I/O configuration definition built by the IOCP.
IOCP
See input/output configuration program.
IP address
See internet protocol address.
IPL
See initial program load.
ISL
See interswitch link.