DRAFT: BROCADE CONFIDENTIAL

 

 

 

Appendix

Glossary and Acronyms

D

 

 

 

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.

Brocade Adapters Administrator’s Guide

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Brocade Communications Systems 804 Available BBCredit, Availablereceivebuffers, Bandwidth, Baud, Beaconing, Byte, DomainID