Switch User's Manual

14 A
address resolution unit (ARU)
An application specific integrated circuit (ASIC)
that makes forwarding decisions that do not
require CPU activity and, therefore; does not
adversely affect forwarding speed.
Advanced Encryption Standard (AES)
A privacy protocol. AES is the current encryption
standard (FIPS-197) intended for use by U.S.
government organizations to protect sensitive
information.
aggregate
A prefix length that is formed by combining
several specific prefixes. The resulting prefix is
used to combine blocks of address space into a
single routing announcement.
American Standard Code for Information Interchange
(ASCII)
A code for representing characters in computers.
ASCII uses uppercase and lowercase alphabetic
letters, numeric digits, and special symbols.
application-specific integrated circuit (ASIC)
A application-specific integrated circuit
developed to perform more quickly and efficiently
than a generic processor.
area border router (ABR)
A router attached to two or more areas inside an
Open Shortest Path First (OSPF) network. ABRs
play an important role in OSPF networks by
condensing the amount of disseminated OSPF
information.
asymmetric digital subscriber line (ADSL)
A standard that allows digital broadband (over 6
Mbit/s) signals and plain old telephone service to
transmit up to 12 000 feet over a twisted copper
pair.
Asynchronous Transfer Mode (ATM)
A transfer mode that organizes information into
cells and the recurrence of cells depends on the
required or instantaneous bit rate.
Nortel Ethernet Routing Switch 8600
Terminology
NN46205-102 01.01 Standard
30 May 2008
Copyright © 2008 Nortel Networks
.