ASE

Application Service Element

ATM

Asynchronous Transfer Mode

BISDN

Broadband Integrated Services Digital Network

CCITT

Comité Consultatif International de Télégraphique et Téléphonique

DTE

Data Terminal Equipment

IE

Information Element

ISDN

Integrated Services Digital Network

ITU-D

International Telecommunication Unit - Development Sector

ITU-R

International Telecommunication Unit - Radio Sector

ITU-T

International Telecommunication Unit - Telecommunications Sector

NCMS

Network Connection Management Sub-protocol

ODMA

Open Distributed Management Architecture

OSI

Open Systems Interconnection

OSIE

Open Systems Interconnection Environment

PAD

Packet Assembler / Disassembler

RM

Reference Model

ATM

AAL

ATM Adaptation Layer

AAL2

Adaptation Layer Type 2

AAL5

ATM Adaptation Layer Type 5

ACM

Address Complete Message

ACSMIB

ATM Circuit Steering Management Information Base

ADSU

ATM Data Service Unit

AHFG

ATM-attached Host Functional Group

AII

Active Input Interface

AIM

ATM / Ascend Inverse Multiplexing

AIP

ATM Interface Processor

AIS

Alarm Indication Signal

AISE

Alarm Indication Signal-External

ALC

Adaptation Layer Controller

AME

ATM Management Entity

AMI

ATM Management Interface

AOI

Active Output Interface

ARE

All Routes Explorer

ATC

Address Translation Controller

ATD

Asynchronous Time Division

ATE

ATM Terminating Equipment

ATMARP

ATM Address Resolution Protocol

AUU

ATM User-to-User

BCDBS

Broadband Connectionless Data Bearer Service

BECN

Backward Explicit Congestion Notification

BSVC

Broadcast Switched Virtual Connections

BUS

Broadcast and Unknown Server

CA

Cell Arrival

CAC

Connection Admission Control

CC

Continuity Cell

CCR

Current Cell Rate

CDV

Cell Delay Variation

CE

Connection Endpoint

CEI

Connection Endpoint Identifier

CER

Cell Error Ratio

CIP

Classical IP over ATM

CIR

Committed Information Rate

CLL

ConnectionLess Layer

CLNAP

Connectionless Network Access Protocol

CLP

Cell Loss Priority

CLR

Cell Loss Ratio

CMR

Cell Misinsertion Rate

CPCS

Common Part Convergence Sublayer

CPI

Common Part Indicator

CRF (VC)

Connection Related Function Virtual Channel

CRF (VP)

Connection Related Function Virtual Path

CRS

Cell Relay Service

CS

Convergence Sublayer

CSI

Convergence Sublayer Indication

CSPDU

Convergence Sublayer Protocol Data Unit

CSR

Cell misSequenced Ratio

CSU

Channel Service Unit

CTD

Cell Transfer Delay

CTV

Cell Tolerance Variation

DCC

Data Country Code

DLCI

Data Link Connection Identifier

DSU

Digital Service Unit

EFCI

Explicit Forward Congestion Indication

ELAN

Emulated Local Area Network

ES

End System

ESI

End System IDentifier

FBS

Flexible Bandwidth Service

FEA

Functional Entity Action

FECN

Forward Explicit Congestion Notification

FERF

Far End Receive Failure

FRS

Frame Relay Service

GCRA

Generic Cell Rate Algorithm

GFC

Generic Flow Control

HEC

Header Error Control

HSSN

HighSpeed Switching Network

ICD

International Code Designator

IISP

Interim Inter-Switch Signaling Protocol

ILMI

Interim Local Management Interface

ION

Internetworking Over NBMA

IS

Intermediate System

LANE

Local Area Network Emulation [over ATM specification]

LATM

Local Asynchronous Transfer Mode

LC

Loopback Capability

LCD

Loss of Cell Delineation

LD

LAN Destination

LE

LAN Emulation

LEARP

LAN Emulation Address Resolution Protocol

LEC

LAN Emulation Client

LECID

LAN Emulation Client IDentifier

LECS

Local area network Emulation Configuration Server

LES

LAN Emulation Server

LLATMI

Lower Layer ATM Interface

LMI

Layer Management Interface

LOC

Loss of Cell delineation

LOF

Loss of Frame

LOP

Loss of Pointer

LOS

Loss of Signal

LUNI

LANE User Network Interface

MCR

Minimum Cell Rate

MCTD

Mean Cell Transfer Delay

MID

Message IDentifier

MPC

MPOA Client

MPOA

Multi-Protocol Over ATM

MPS

MPOA Server

MS

Meta Signaling

MSN

Monitoring cell Sequence Number

MSVC

Meta-Signaling Virtual Channel

NBMA

Non-Broadcast Multiple Access

NHRP

Next Hop Resolution Protocol

NLPID

Network Layer Protocol IDentifier

NNI

Network Node Interface

OAM

Operations, Administration and Management

OCD

Out-of-Cell Delineation

PCR

Peak Cell Rate

PDH

Plesiochronous Digital Hierarchy

PL-OU

Physical Layer Overhead Unit

PLCP

Physical Layer Convergence Protocol

PLCP

Physical Layer Convergence Procedure

PMD

Physical layer, Medium Dependant

PMP

Point to MultiPoint

PNNI

Private Network Node Interface

PT

Payload Type

PTI

Payload Type Identifier

PTM

Packet Transfer Mode

PVC

Permanent Virtual Circuit

PVCC

Permanent Virtual Channel Connection

PVPC

Permanent Virtual Path Connection

RDI

Remote Defect Indicator

RDI

Remote Defect Identification

SAAL

Signalling ATM Adaptation Layer

SARPDU

Segmentation And Reassembly Protocol Data Unit

SCR

Sustainable Cell Rate

SCS

Switch Control Software

SEAL

Simple and Efficient Adaptation Layer

SECB

Severely Errored Cell Block

SPANS

Simple Protocol for ATM Network Signalling

SRE

Self Routing switch Element

SSCF

Service Specific Coordination Function

SSCOP

Service Specific Connection Orientated Protocol

SSCS

Service Specific Convergence Sublayer

SVC

Switched Virtual Circuit

SVC

Switched Virtual Channel

SVC

Switched Virtual Connection

SVCI

Switched Virtual Circuit Identifier

TCI

Test Cell Input

TCO

Test Cell Output

TCS

Transmission Convergence Sublayer

TUC

Total User Cell count

TUCD

Total User Cell Difference

UME

UNI Management Entity

UNI

User Network Interface

UPC

Usage Parameter Control

UTOPIA

Universal Test & Operations Physical layer Interface for ATM

VBNS

Very highspeed Backbone Network Service

VC

Virtual Channel

VC

Virtual Circuit

VCC

Virtual Channel Connection

VCI

Virtual Channel Identifier

VCL

Virtual Channel Link

VNA

Virtual Network Architecture

VP

Virtual Path

VPC

Virtual Path Connection

VPCI

Virtual Path Connection Identifier

VPI

Virtual Path Identifier

VPL

Virtual Path Link

VPT

Virtual Path Terminator

BISDN

BBC

Broadband Bearer Capability

BCBDS

Broadband Connectionless Data Bearer Service

BCOB

Broadband Class of Bearer

BICI

Broadband InterCarrier Interface

BISSI

Broadband Inter-Switching System Interface

BISUP

Broadband ISDN User’s Part

BLLI

Broadband Low Layer Information

BNT

Broadband Network Termination

BTE

Broadband Terminal Equipment

ISDN

1D2B

1 D-channel 2 B-channels

2B1D

2 B-channels 1 D-channel

AMI

Alternate Mark Inversion

AODI

Always On / Dynamic ISDN

B8ZS

Binary 8 Zero Suppression

BAI

Basic Access Interface

BRI

Basic Rate Interface

CAPI

Communication Application Program Interface

CDMS

Communication Driver Maintenance System

CIP

Common ISDN Profile

DACS

Digital Access Control System

DS0

Digital Signal level 0

DS1

Digital Signal level 1

DS2

Digital Signal level 2

DS3

Digital Signal level 3

EAZ

Endgeräte Auswahl Ziffer

EFT

Euro-FileTransfer

ESF

Extended Super Frame

FT1

Fractional T1

HST

High Soft Tech

I4L

ISDN for Linux

IAE

ISDN Anschluß Einheit

IDLC

ISDN Data Link Control

IPU

ISDN-datex-P-Umsetzer

ISDNUP

ISDN User Part

ISPA

ISDN PAcket

ISUP

Integrated Services User Part

LAPD

Link Access Procedure on the D channel

MS-ISDN

Mobile Station ISDN Number

MSN

Multiple Subscriber Number

MSRN

Mobile Station Roaming Number

MTP

Message Transfer Part

NDC

National Destination Code

NDI

Network Distributed ISDN

NFAS

Non Facilities-Associated Signaling

NISDN

Narrowband Integrated-Services Digital Network

NIU

North american ISDN Users

NT

Network Terminator

NT1

Network Termination 1

NTBA

Network Termination for Basic Access

PRI

Primary Rate Interface

SN

Subscriber Number

SPID

Service Profile IDentifier

TA

Terminal Adapter

TBR

Technical Basis for Regulations

TE

Terminal Endpoint

TUP

Telephone User Path

VAPI

Virtual Application Programming Interface

M.3000 (TMN)

BML

Business Management Layer

DCF

Data Communication Function

DCN

Data Communication Network

EML

Element Management Layer

ICF

Information Conversion Function

LLA

Logical Layered Architecture

MAF

Management Application Function

MCF

Message Communication Function

MD

Mediation Device

MF

Mediation Function

MS

Management Services

MSC

Management Service Components

NE

Network Element

NEF

Network Element Function

NML

Network Management Layer

OAM

Operations, Administrations and Maintenance

OS

Operation System

OSF

Operations System Function

QA

Q Adaptor

QAF

Q-Interface Adaptor Function

ROA

Recognized Operating Agency

SMK

Shared Management Knowledge

SML

Service Management Layer

TMN

Telecommunication Management Network

UISF

User Interface Support Function

WS

Workstation

WSF

WorkStation Function

WSSF

Workstation Support Function

Q.1200 (IN)

AIN

Advanced Intelligent Network

BCP

Basic Call Process

BCSM

Basic Call State Model

CCAF

Call Control Agent Function

CCF

Connection Control Function

CCS

Common Channel Signaling

CS-1

Capability Set 1

CS-2

Capability Set 2

CSPDN

Circuit Switched Public Data Network

DFP

Distributed Functional Plane

DP

Detection Point

DPE

Distributed Processing Environment

DSL

Distributed Service Logic

FE

Functional Entity

FPLMTS

Future Public Land Mobile Telecommunications System

GFP

Global Functional Plane

IF

Information Flow

IN

Intelligent Network

IN-NG

IN Next Generation

INA

Intelligent Network Architecture

INAP

Intelligent Network Application Protocol

INCM

Intelligent Networks Conceptual Model

IP

Intelligent Peripheral

IWU

InterWorking Unit

NAP

Network Access Point

PIC

Point in Call

POI

Point Of Interaction

POR

Point Of Return

PP

Physical Plane

PSPDN

Packet Switched Public Data Network

PSTN

Public Switched Telephone Network

SCAF

Service Control Agent Function

SCEF

Service Creation Environment Function

SCF

Service Control Function

SCP

Service Control Point

SDP

Specialized Data Point

SF

Service Feature

SIB

Service Independent building Block

SLP

Service Logic Program

SMAF

Service Management Agent Function

SMF

Service Management Function

SRF

Service Resource Function

SS7

Signaling System 7

SSCP

Service Switching & Control Point

SSF

Service Switching Function

SSP

Service Switching Point

STP

Signaling Transfer Point

X.200 (RM-OSI)

ACSE

Association Control Service Element

ASP

Abstract Service Primitive

CASE

Common Application Service Element

CLNP

ConnectionLess Network Protocol

CLTP

ConnectionLess Transport Protocol

COTP

Connection-Oriented Transport Protocol

FTAM

File Transfer, Access and Management

ICI

Interface Control Information

IDU

Interface Data Unit

NSAP

Network Service Access Point

NSAPA

Network Service Access Point Address

PCI

Protocol Control Information

PDU

Protocol Data Unit

PL

Physical Layer

PPDU

Presentation Protocol Data Unit

PSAP

Presentation Service Access Point

RDA

Remote Database Access

RM-OSI

Reference Model for Open System Interconnection

ROSE

Remote Operation Service Element

RTS

Reliable Transfer Service

RTSE

Reliable Transfer Service Element

SAP

Service Access Point

SASE

Specific Application Service Element

SDU

Service Data Unit

SPDU

Session Protocol Data Unit

SPM

Session Protocol Machine

SSAP

Session Service Access Point

TP0

Transport Protocol class 0

TP4

Transport Protocol class 4

TPDU

Transport Protocol Data Unit

TSAP

Transport Service Access Point

TSDU

Transport Service Data Unit

TTCN

Tree and Tabular Combined Notation

  • Notes: X.292

TTCN-2

TTCN v2

  • Notes: X.292

X.400 (Mail)

MTA

Message Transfer Agent

UA

User Agent

X.500 (Directory)

AN

Alias Name

CA

Certification Authority

CC

Country Code

CN

Common Name

DAF

Directory Access Function

DAP

Directory Access Protocol

DIB

Directory Information Base

DIT

Directory Information Tree

DN

Distinguished Name

DO

Directory Object

DS

Directory Service

DSA

Directory System Agent

DSF

Directory System Function

DSP

Directory System Protocol

DUA

Directory User Agent

OU

Organisational Unit

PKI

Public Key Infrastructure

PKIX

Public Key Infrastructure X.509

RA

Registration Authority

RDN

Relative Distinguished Name

SOID

Storage Object IDentifier

X.600

ASN.1

Abstract Syntax Notation One

  • Notes: was X.409, then X.208/9, finally X.680 and X.690 series

BER

Basic Encoding Rules

PER

Packed Encoding Rules

X.700 (Management)

CMIP

Common Management Information Protocol

CMIPDU

Common Management Information Protocol Data Unit

CMIS

Common Management Information Service

CMISE

Common Management Information Service Element

CMOL

CMIP Over LLC

CNM

Customer Network Management

DMI

Definition of Management Information

GDMO

Guidelines for the Definition of Managed Objects

LME

Layer Management Entity

MAPDU

Management Application Protocol Data Unit

MIB

Management Information Base

MIS

Management Information Service

MO

Management Object

MSAP

Management Service Access Point

OID

Object Identifier

OIT

Object Information Tree

SMAE

Systems Management Application Entity

SMAP

System Management Application Process

SMASE

Systems Management Application Service Element

SMFA

System Management Functional Area

X.900 (ODP)

ODP

Open Distributed Processing

RM-ODP

Reference Model for Open Distributed Processing