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AAA
Authentication, Authorization, and Accounting (Pronounced
"triple a."). A system (or several systems) that controls w
resources users have access to, and keeps track of the activi
users over the network.
ANSI
American National Standards Institute. A voluntary organization
composed of corporate, government, and other members that
coordinates standards-related activities, approves U.S. nati
standards, and develops positions for the United States in
international standards organizations.
ARP
Address Resolution Protocol. Internet protocol used to map an IP
address to a MAC address. Defined in RFC 826.
ARQ
Automatic Repeat reQuest. A communication technique in which
the receiving device detects errors and requests retransmission
ASCII
American Sta
representing English characters as numbers, with each letter
assigned a number from 0 to 127.
ATM
Asynchronous Transfer Mode. A network technology that
dynamically allocates bandwidth. ATM uses fixed-size data
packets and a fixed channel between two points for data trans
ATM was de
graphics, data, and full-motion video. It allows service providers
to dynamically assign bandwidth to individual customers.
ATPC
Automatic Transmit Power Control
AU
Access Unit
AVU
Air Ventilation Unit
ndard Code for Information Interchange. A code for
signed to support multiple services such as voice,
Glossary
hat
ty of
onal
s.
fer.
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