Brocade Communications Systems 415 - Manual (Page 179)

Brocade Adapters Administrator’s Guide 165
53-1001587-01
DRAFT: BROCADE CONFIDENTIAL
Appendix
D
Glossary and Acronyms
Available BB_Credit
A value used by a transmitter to determine permission to transmit frames
and, if so, how many. The transmitter may transmit a frame when the
available BB_Credit is greater than zero.
Available_receive_buffers
The current number of buffers in a receiving port that are available for
receiving frames at link rate.
Bandwidth The maximum information-carrying capacity of a system.
Baud The encoded bit rate per second.
BCU Brocade Command Line Utility (BCU).
Beaconing A continuous signaling of error conditions on a LAN. Beaconing can occur
either on the port or on one or both sides of the link (known as end-to-end
beaconing).
Byte A group of eight data bits.
Class of service A frame delivery scheme exhibiting a specified set of delivery characteristics
and attributes.
Credit Permission given by a receiving port to a sending port to send a specified
number of frames.
DCFM Data Center Fabric Manager
Domain_ID An eight-bit value that identifies a domain.
FCP The Fibre Channel Protocol for mapping SCSI-3 operations to Fibre Channel.
FLOGI FC Fabric Login request.
FL_Port A switch port that is capable of arbitrated loop operations and is connected to
one or more NL_Ports in an arbitrated loop topology.
FOS Fabric Operating System.
FPMA Fabric Provided MAC Address.
F_Port Fabric Port. A port on a switch to which an N_Port connects.
HBA The host bus adapter is a hardware facility in a node that provides an
interface attachment.
HCM Host Connectivity Manager.
IOC I/O Controller.
ITL Initiator-Target-LUN. An Initiator Port (HBA controller) talks to one Target Port
addressing one LUN.