AAA

authentication, authorization, and accounting

AAL

ATM adaptation layer

ABR

available bit rate

ACK

acknowledgment

ADM

Add Drop Multiplexer

AESA

ATM End System Address

AESO

Auxiliary Extended Security Option

AFI

authority and format identifier

AIS

alarm indication signal

AMI

alternate mark inversion

ARAP

AppleTalk Remote Access Protocol

ARP

Address Resolution Protocol

ASP

ATM switch processor

ATD IE

ATM Traffic Descriptor Information Element

ATM

Asynchronous Transfer Mode

BITS

building integrated timing supply

BOOTP

Bootstrap Protocol

BSD

Berkeley Standard Distribution

CAC

connection admission control

CBR

constant bit rate

CD

Carrier Detect

CDP

Cisco Discovery Protocol

CDV

cell delay variation

CDVT

cell delay variation tolerance

CES

circuit emulation service

CES-IWF

CES interworking function

CHAP

Challenge Handshake Authentication Protocol

CLNS

Connectionless Network Service

CLP

cell loss priority

CLR

cell loss ratio

CPU

Central Processing Unit

CRC

cyclic redundancy check

CTD

cell transfer delay

CTS

Clear To Send

CTT

Connection Traffic Table

CUG

closed user group

DCA

Defense Communications Agency

DCC

Data Country Code

DCE

data communications equipment

DFI

Domain Specific Part Format Identifier

DNS

Domain Name System

DNSIX

Department of Defense Intelligence Information System Network Security for Information Exchange

DSPU

downstream physical unit

DTE

data terminal equipment

DTL

designated transit list

DTR

data terminal ready

EFCI

Explicit Forward Congestion Indication

EPD

early packet discard

ESI

end system identifier

ESF

Extended Super Frame

ESO

Extended Security Option

ETLK

EtherTalk

FC-FCQ

feature card per-connection queueing

FC-PFQ

feature card per-flow queueing

FERF

far end receive failure

FPGA

field-programmable gate array

FRC

frame redundancy check

FTP

File Transfer Protocol

GCRA

generic cell rate algorithm

IC

interlock code

ICB

incoming calls barred

ICD

International Code Designator

ICMP

Internet Control Message Protocol

IE

information element

IEEE

Institute of Electrical and Electronics Engineers

IETF

Internet Engineering Task Force

IG

information group

IGMP

Internet Group Management Protocol

IGRP

Interior Gateway Routing Protocol

IISP

Interim-Interswitch Signalling Protocol

ILMI

Interim Local Management Interface (UNI 3.1) or Integrated Local Management Interface (UNI 4.0)

IME

interface management entity

IOS

Cisco Internetwork Operating System

IP

Internet Protocol

IPSO

IP Security Option

ITU-T

International Telecommunications Union Telecommunication Standardization Sector

LAN

local-area network

LANE

LAN emulation

LE_ARP

LAN Emulation Address Resolution Protocol

LECS

LAN Emulation Configuration Server

LGN

logical group node

LLC2

Logical Link Control, type 2

LMI

Local Management Interface

MAC

Media Access Control

MaxCTD

maximum cell transfer delay

MBS

maximum burst size

MCR

minimum cell rate

MD5

Message Digest 5

MIB

Management Information Base

MIS

Management Information System

MOP

Maintenance Operation Protocol

MOTD

message-of-the-day

MSC

modular switch controller

MTU

maximum transmission unit

NCP

Network Control Protocol or Network Control Program

NIC

network interface card

NLESO

Network Level Extended Security Option

NNI

Network-to-Network Interface

NSAP

network service access point

NTP

Network Time Protocol

NVRAM

nonvolatile random-access memory

OAM

Operation, Administration, and Maintenance

OCB

outgoing calls barred

OIR

online insertion and removal

OSF

oversubscription factor

PAM

port adapter module

PAP

Password Authentication Protocol

PCI

protocol control information

PCMCIA

Personal Computer Memory Card International Association

PCR

peak cell rate

PDU

protocol data unit

PGL

peer group leader

PHY

physical layer

PIE

protocol information element

ping

packet internet groper

PLCP

physical layer convergence procedure

PLD

programmable logic device

PNNI

Private Network-Network Interface or Private Network Node Interface

PPP

Point-to-Point Protocol

PSTN DDR

Public Switched Telephone Network dial-on-demand routing

PTSE

PNNI topology state element

PTSP

PNNI topology state packet

PVC

permanent virtual circuit

PVCC

permanent virtual channel connection

PVCL

permanent virtual channel link

PVP

permanent virtual path

PVPC

permanent virtual path connection

PVPL

permanent virtual path link

QOS

quality of service

QSAAL

Q.2931 protocol over signalling ATM adaptation layer

RARP

Reverse Address Resolution Protocol

RCC

routing control channels

rcp

remote copy protocol

RDI

remote defect indication

RFC

Request For Comments

RLP

Resource Location Protocol

RM

resource management

RMON

Remote Monitoring

ROM

read-only memory

rsh

remote shell protocol

RSRB

remote source-route bridging

RSVP

Resource Reservation Protocol

SAP

service access point

SCR

sustainable cell rate

SCRMF

Sustained Cell Rate Margin Factor

SD

sequential data

SDLC

Synchronous Data Link Control

SDP

sequenced data with poll

SDU

service data unit

SLIP

Serial Line Internet Protocol

SMDS

Switched Multimegabit Data Service

SNAP

Subnetwork Access Protocol

SNMP

Simple Network Management Protocol

SPF

shortest path first

SSCOP

Service Specific Connection Oriented Protocol

SSE

silicon switching engine

SSRP

Simple Server Redundancy Protocol

STUN

serial tunnel

SVC

switched virtual circuit

SVP

switched virtual path

TACACS

Terminal Access Controller Access Control System

TC

tag-controlled

TCP

Transmission Control Protocol

TDP

Tag Distribution Protocol

TFIB

Tag Forwarding Information Base

TFTP

Trivial File Transfer Protocol

TIB

Tag Information Base

TSP

tag-switched path or topology state packet

TTL

Time To Live

TVC

tag VC

UART

Universal Asynchronous Receiver/Transmitter

UBR

unspecified bit rate

UDP

User Datagram Protocol

UNI

User-Network Interface

UPC

usage parameter control

UTC

Coordinated Universal Time

UUPC

UNIX-to-UNIX Copy Program

VBR

variable bit rate

VBR-NRT

variable bit rate non-real time

VBR-RT

variable bit rate-real time

VC

virtual channel

VCC

virtual channel connection

VCD

virtual circuit descriptor

VCI

virtual channel identifier

VLAN

virtual LAN

VP

virtual path

VPC

virtual path connection

VPI

virtual path identifier

WRR

weighted round-robin