Technical data

Brocade SilkWorm 4100 Hardware Reference Manual Glossary-1
Publication Number: 53-0000563-02
Glossary
#
8b/10b
encoding
An encoding scheme that converts each 8-bit byte into 10 bits. Used to balance 1s and 0s in high-speed
transports.
A
ABTS Abort Basic Link Service. Also referred to as “Abort Sequence.”
ACC Accept link service reply. The normal reply to an Extended Link Service request (such as FLOGI),
indicating that the request has been completed.
access
fairness
A process by which contending nodes are guaranteed access to an arbitrated loop.
active copper A Fibre Channel connection that allows copper cabling up to 33 meters (36 yards) between devices.
address
identifier
A 24-bit or 8-bit value used to identify the source or destination of a frame. See also S_ID and D_ID.
Advanced
Fabric
Services,
Brocade
A Brocade proprietary feature.
Advanced
Performance
Monitoring,
Brocade
A Brocade proprietary feature.
Advanced
Zoning,
Brocade
A Brocade proprietary feature.
AL_PA Arbitrated-loop physical address. A unique 8-bit value assigned during loop initialization to a port in an
arbitrated loop. Alternately, “arbitrated-loop parameters.”
AL_TIME Arbitrated-loop timeout value. Twice the amount of time it would take for a transmission word to
propagate around a worst-case loop. The default value is 15 milliseconds (ms).
alias A logical grouping of elements in a fabric. An alias is a collection of port numbers and connected
devices, used to simplify the entry of port numbers and WWNs when creating zones.