director product manager user guide
Glossary–3
Glossary
bridge
Device that connects and passes packets between two network segments that use the same
communications protocol.
broadcast
Send a transmission to all N_Ports on a fabric. See also multicast.
broadcast frames
Data packet, also known as a broadcast packet, whose destination address specifies all
computers on a network.
buffer
Storage area for data in transit. Buffers compensate for differences in processing speeds
between devices. See also buffer-to-buffer credit.
buffer-to-buffer credit (BB_Credit)
See buffer-to-buffer credit. Indicates the maximum number of frames a port can transmit
without receiving a receive ready signal from the receiving device.
CHPID
See channel path identifier.
call-home
Product feature which requires installation of HP Proactive Service software and enables the
HAFM server to automatically transmit system events (failure information) to a HP customer
support center. The HP support center server accepts calls from the HAFM server, logs
reported events, and can notify one or more support center representatives.
channel
Point-to-point link that transports data from one point to the other.
channel path
A single interface between a central processor and one or more control units along which
signals and data can be sent to perform I/O requests.
channel path identifier
In a channel subsystem, a value assigned to each installed channel path of the system that
uniquely identifies that path to the system.
