Users Guide

Border Gateway Protocol (BGP)
BGP is the core routing protocol of the Internet. It works by maintaining a table of IP networks or
'prexes' that designate network reachability among autonomous systems (AS).
BRMS
Backup Recovery and Media Services.
browser
A client program that initiates requests to a web server and displays the information that the server
returns.
buffer
A routine or storage that is used to compensate for a difference in rate of flow of data or time of
occurrence of events, when data is transferred from one device to another.
bus
A facility for transferring data between several devices that are located between two end points, only
one device able to transmit at a specied moment.
byte
A string that consists of some bits (usually 8) that are treated as a unit and represent a character. A
fundamental data unit.
C
CA certication
In cryptography, a certicate from a certicate authority (CA).
capacity
The amount of data that can be contained on storage media and expressed in bytes of data.
cartridge manual rewind tool
A device that can be tted into the reel of a cartridge and used to rewind tape into or out of the
cartridge.
cartridge memory (CM)
Within each data cartridge, an embedded electronics and interface module that can store and retrieve
a cartridge's historical usage and other information.
cartridge storage slot
Individual slot that is located within a magazine that is used to house tape cartridges.
caution (notice)
A word to call attention to possible personal harm to people. Contrast with attention and danger.
CE
Customer engineer; eld engineer; service representative.
centimeter (cm)
One one-hundredth of a meter (0.01 m). Approximately 0.39 inch.
channel command
An instruction that directs a data channel, control unit, or device to perform an operation or set of
operations.
char
Character.
CHK
Check.
cleaning cartridge
A tape cartridge that is used to clean the heads of a tape drive. Contrast with data cartridge.
COD
Capacity On Demand.
Glossary
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