Glossary
B-6
Centillion 1200N ATM Switch User Manual
NTP 297-8103-903
ANM
Answer Message: A BISUP call control message from the receiving exchange to
the sending exchange indicating answer and that a through connection should be
completed in both directions.
ANSI
American National Standards Institute: A U.S. standards body.
API
Application Program Interface: A programming interface used for interprogram
communications or for interfacing between protocol layers.
API_connection
Native ATM Application Program Interface Connection: API_connection is a
relationship between an API_endpoint and other ATM devices that has the
following characteristics:
•
Data communication may occur between the API_endpoint and the other ATM
devices comprising the API_connection
•
Each API_connection may occur over a duration of time only once; the same
set of communicating ATM devices may form a new connection after a prior
connection is released
•
The API_connection may be presently active (able to transfer data), or merely
anticipated for the future
APPN
Advanced Peer to Peer Network: IBM network architecture for building dynamic
routing across arbitrary network topologies. Intended as an eventual replacement
for SNA, IBM's static routed, hierarchical network architecture.
ARE
All Routes Explorer: A specific frame initiated by a source which is sent on all
possible routes in Source Route Bridging.
ARP
Address Resolution Protocol: The procedures and messages in a communications
protocol which determines which physical network address (MAC) corresponds to
the IP address in the packet.
