Switch User Manual

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List of terms

Nortel Multiservice Switch 7400/15000/20000

Terminology

NN10600-005 7.2S1 Standard

PCR7.2 and up March 2006

ASBR

See autonomous system boundary router (ASBR) (page 15).

ASCII

See American standard code for information interchange (ASCII) (page 10).

ASIC

See application-specific integrated circuit (ASIC) (page 11).

ASM

See address space manager (ASM) (page 7).

ASN.1

See abstract syntax notation 1 (ASN.1) (page 6).

ASPEN

See voice gateway control protocol (VGCP) (page 145).

ASR

See actual shaping rate (ASR) (page 7).

AS weight policy

See autonomous system weight policy (page 15).

associated signaling

Uses one dedicated path between nodes as the signaling link.

asynchronous transfer mode (ATM)

A technology that provides access to a network by multiplexing user

information into fixed-length units called cells. ATM forms the basis for

broadband networks.

ATM

See asynchronous transfer mode (ATM) (page 12).

ATM accounting

Collects usage information in the form of cell counts for ATM connections. The

service provider can use this information to bill customers or for test purposes,

statistics, network engineering, and planning.

ATM adaptation layer (AAL)

The standards layer that allows multiple applications to convert data to and

from a set of ATM cells. AAL translates higher layer services into the size and

format of an ATM cell.