McDATA ULTRANETTM EDGE STORAGE ROUTER 3000 - Manual (Page 415)

Glossary g-1
Glossary
bandwidth The width of a communications channel measured in Hertz - cycles
per second. In digital communications, bandwidth is measured in
bits per second (bps).
BB_Credit Buffer to Buffer Credit, a flow control method that maintains
counters for outstanding frames between two connected Fibre
Channel hops.
Broadcast and Unknown
Server A LAN emulation component that receives all broadcast and
multicast MAC packets as well as MAC packets with an unknown
ATM address and transmits these messages to every member of an
emulated LAN.
BUS See Broadcast and Unknown Server.
bus number A bus number is assigned to every physical trunk or link that
connects two UltraNet Edge 3000. Routing software on the UltraNet
Edge 3000 uses the bus number to determine the trunks or links that
should be used to transfer data across the network.
CBR ATM Constant Bit Rate
CRC Abbreviation of Cyclic Redundancy Check, a common technique
for detecting data transmission errors. A number of file and block
transfer protocols use CRC in addition to checksum.
data migration The movement of data from one storage subsystem to another.
Device Extension See FC/SCSI Tape Pipelining.