McDATA Eclipse 2640 SAN, Administration And Configuration Manual

Page: 238 / 276

g-28 Eclipse™ 2640 SAN Router Administration and Configuration Manual
Glossary
high performance
parallel interface
HiPPI. A point-to-point, high speed channel that operates in parallel
between two devices at distances of up to 10 km. An American
National Standards Institute (ANSI) standard for 800 Mbps channel
link.
high speed serial data
connect
HSSDC. An option for connecting a subsystem to a host computer.
HiPPI See
high performance parallel interface .
homogeneous fabric
A fabric consisting of only one vendor’s products.
Contrast with
heterogeneous fabric .
hop
(1) Data transfer from one node to another node. (2) Describes the
number of switches that handle a data frame from its origination
point through it’s destination point.
hop count
The number of hops a unit of information traverses in a fabric.
host
The computer that other computers and peripherals connect to.
host bus adapter
HBA. Logic card that provides a link between the server and storage
subsystem, and that integrates the operating systems and I/O
protocols to ensure interoperability.
host processor
(1) A processor that controls all or part of a user application network
(I)
. (2) In a network, the processing unit in which resides the access
method for the network
(D)
.
hot pluggable
See
concurrent maintenance .
hot spare
See
field-replaceable unit .
hot swap
See
concurrent maintenance .
hot-swapping
See
concurrent maintenance .
H_Port
See
hub port .
HSSDC
See
high speed serial data connect .
HTTP See
hypertext transport protocol .