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Asynchronous Transfer Mode (ATM) Fundamentals

Glossary

AAL–1
ATM adaption Layer 1

AAL–2
ATM adaption Layer 2

AAL–3
ATM adaption Layer 3

AAL–4
ATM adaption Layer 4

AAL–5
ATM adaption Layer 5

ABR
available bit rate

ATM
asynchronous transfer mode

ATM UNI
ATM user network interface

BT
burst tolerance

CAC
connection admission control

CBR
constant bit rate

CCITT
Comite Consultif Internationale de Telegraphique et Telephonique

CDV
cell delay variation

CLR
cell loss ratio

CTD
cell transfer delay

IEEE
Institute of Electrical and Electronic Engineers

ITU–T
International Telecommunications Union–Telecommunications Standards Sector

LAN
local-area network

LANE
ATM LAN emulation

LES
LAN emulation server

LUNI
LAN emulation user-network interface

MPOA
multiple protocol over ATM

P-NNI
public network-to-network interface

PCR
peak cell rate

PVC
permanent virtual circuit

RM
resource management

SAD
speech activity detection

SCR
sustained cell rate

SDH/SONET
synchronous digital hierarchy/synchronous optical network

SVC
switched virtual circuit

TCP/IP
transmission control protocol/Internet protocol

UBR
unspecified bit rate

VBR–NRT
variable bit rate–nonreal time

VCC
virtual-channel connections

VPC
virtual-path connections

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