IPNA - Index of Terms

to be extended ...

AAA

Authentication, Authorization and Accounting

AAL

ATM Adaptation Layer (link layer protocol)

ACELP

Algebraic Code Excited Linear Prediction (audio coding)

ACF

Admission Confirm (H.323 telephony)

ACK

Acknowledgement (transport layer)

ACM

Association of Computing Machinery (US institution)

ADPCM

Adaptive Differential Pulse Code Modulation (audio coding)

ADSL

Asymmetric Digital Subscriber Line (physical layer technology for residential access)

AF

Assured Forwarding (DS class)

AH

Authentication Header (security)

ANSI

American National Standards Institute (US institution)

API

Application Program Interface

ARP

Address Resolution Protocol (subnetwork layer)

ARPA

Advance Research Projects Agency (US institution)

ARQ

Automatic Repeat Request (link layer protocols)

ARQ

Admission Request (H.323 telephony)

AS

Autonomous System (routing)

ASCII

American Standard Code for Information Interchange (character encoding)

ASN

Abstract Syntax Notation (for SNMP)

ATM

Asynchronous Transfer Mode (switching technology)

AUI

Attachment Unit Interface (Ethernet)

BBN

Bolt, Beranek and Newman (company)

BCF

Bandwidth Change Confirm (H.323 telephony)

BE

Best Effort (QoS)

BGP

Border Gateway Protocol (routing protocol)

BIND

Berkeley Internet Name Daemon (DNS software)

BNC

Bayonet Nut Couplers (Ethernet)

BRQ

Bandwidth Change Request (H.323 telephony)

BSSGP

Base Station System GPRS Protocol (GSM data service)

CCITT

old name for ITU-T

CDF

Complementary Distribution Function (mathematics)

CDMA

Code Division Multiple Access (physical layer technology)

CELP

Code Excited Linear Prediction (audio coding)

CGI

Common Gateway Interface (Web)

CIDR

Classless Inter Domain Routing (network layer addressing and routing scheme)

CL

Connectionless

CNAME

Canonical Name (DNS resource record type)

CO

Connection Oriented

COPS

Common Open Policy Service (IP QoS)

CPU

Central Processing Unit (Computer Architecture)

CRC

Cyclic Redundancy Check

CRLF

Carriage Return and Line Feed (two ASCII characters)

CS

Circuit Switching

CS-CELP

Conjugate Structure Code Excited Linear Prediction (audio coding)

CSMA/CD

Carrier Sense Multiple Access / Collision Detection (LAN: Ethernet)

CWND

Congestion Window (TCP)

DARPA

Defense Advance Research Projects Agency (US institution)

DCF

Disengage Confirm (H.323 telephony)

DCT

Discrete Cosine Transform (audio coding)

DEC

Digital Equipment Corporation (US company)

DES

Data Encryption Standard (security)

DF

Don't Fragment (IP header flag)

DHCP

Dynamic Host Configuration Protocol (application layer protocol)

DNS

Domain Name System (application layer protocol)

DoD

Department of Defense (US institution)

DoS

Denial of Service (security)

DQDB

Distributed Queue Dual Bus (MAC protocol)

DRQ

Disengage Request (H.323 telephony)

DS

Differentiated Services (QoS technology)

DSA

Digital Signature Algorithm (security)

DSCP

Differentiated Services Codepoint (IP header field: TOS)

DSL

Digital Subscriber Line (physical layer technology)

DSP

Digital Signal Processor

DSTM

Dual Stack Transition Mechanism (IPv6)

dupACK

duplicate Acknowledgement (TCP)

EBCDIC

Extended Binary Coded Decimal Interchange Code (character encoding)

ECN

Explicit Congestion Notification (TCP)

EDI

Electronic Data Interchange (document exchange standard)

EF

Expedited Forwarding (DS class)

EFSM

Extended Finite State Machine (description formalism)

EGP

Exterior Gateway Protocol (routing protocol)

EOF

End of File

EOR

End of Record

ESP

Encapsulated Security Payload (security)

EUI

End User Interface (addressing)

FCS

Frame Check Sequence (Ethernet)

FDM

Frequency Division Multiplex (physical layer)

FEC

Forward Error Correction (physical layer)

FEC

Forward Equivalence Class (MPLS)

FFT

Fast Fourier Transform (audio coding)

FIFO

First In First Out (service strategy for buffers)

FIN

Final (TCP connection release)

FR

Frame Relay (link layer technology)

FSM

Finite State Machine (description formalism)

FTAM

File Transfer Access and Management (ISO standard like FTP)

FTP

File Transfer Protocol (application layer protocol)

GCF

Gatekeeper Confirm (H.323 telephony)

GCRA

Generic Cell Rate Algorithm (Integrated Services)

GGSN

Gateway GPRS Support Node (GSM network architecture)

GoS

Grade of Service (see QoS)

GPRS

General Packet Radio Service (data service in mobile networks)

GRQ

Gatekeeper Request (H.323 telephony)

GSM

Global Standard for Mobile Communication

GTP

GPRS Tunneling Protocol (GSM data service)

HDLC

High-level Data Link Control (link layer protocol)

HTTP

Hypertext Transfer Protocol (application layer protocol)

IAB

Internet Advisory Board (institution)

IAC

Interpret as Control (telnet command)

IANA

Internet Assigned Numbers Agency (institution)

ICANN

Internet Corporation for Assigned Names and Numbers (institution)

ICMP

Internet Control Message Protocol (network layer)

ID

Identifier

IDEA

International Data Encryption Algorithm (security)

IEEE

Institute of Electrical and Electronics Engineers (institution)

IESG

Internet Engineering Steering Group (institution)

IETF

Internet Engineering Task Force (institution)

IGMP

Internet Group Management Protocol (for multicast)

IGP

Interior Gateway Protocol (routing protocol)

IHL

Internet Header Length (IP header field)

IKE

Internet Key Exchange (security)

IKMP

Internet Key Management Protocol (security)

IMAP

Internet Message Access Protocol (application layer protocol)

IP

Internet Protocol (network layer protocol)

IPnG

next generation IP

IPR

Intellectual Property Right (patents etc)

IPSP

IP Security Protocol (security)

IPX

Internet Packet Exchange (network layer protocol)

IRTF

Internet Research Task Force (institution)

ISAKMP

Internet Security Association and Key Management Protocol (security)

ISDN

Integrated Services Digital Network (digital telephone network)

ISN

Initial Sequence Number (TCP connection set-up)

ISO

International Organisation for Standardisation (institution)

ISP

Internet Service Provider (IP network operator)

ISTF

Internet Societal Task Force (institution)

ITU

International Telecommunications Union (institution)

KDC

Key Distribution Centre (security)

KISS

keep it simple and stupid (design principle)

LAN

Local Area Network

LAT

Local Access Terminal / Local Area Transport (DEC protocol)

LCP

Link Control Protocol (PPP)

LDAP

Lightweight Directory Access Protocol (application layer protocol)

LDP

Label Distribution Protocol (MPLS)

LLC

Logical Link Control (link layer)

LSP

Label Switched Path (MPLS)

MAC

Media Access Control (link layer)

MAN

Metropolitan Area Network

MBONE

Multicast Backbone (infrastructure)

MBZ

Must be zero

MD5

Message Digest (security)

MF

More Fragments (IP header field)

MGC

Media Gateway Controller (IP telephony)

MGCP

Media Gateway Control Protocol (IP telephony)

MIB

Management Information Base (network management)

MIME

Multimedia Internet Mail Extensions (e-mail)

MIPS

Million Instructions per Second

MLQ

Maximum Likelihood Quantization (audio coding)

mod

modulo (mathematics)

MOS

Mean Opinion Score (assessment of audio coding quality)

MPLS

Multiprotocol Label Switching (network/link layer)

MP-MLQ

Multi Pulse Maximum Likelihood Quantization (audio coding)

MSC

Message Sequence Chart (description formalism)

MSL

Maximum Segment Lifetime (TCP)

MSS

Maximum Segment Size (TCP)

MTP

Message Transfer Part (SS7)

MTU

Maximum Transfer Unit (max. payload size in link layer frame)

MX

Mail Exchanger (DNS resource record type)

NACK

Negative Acknowledgement (see TCP section)

NAS

Network Access Server (dial-up network access)

NAT

Network Address Translation (network layer)

NCP

Network Control Protocol (PPP)

ND

Neighbor Discovery (IPv6)

NFS

Network File System (application layer protocol)

NHRP

Next Hop Resolution Protocol (for IP over ATM)

NLA

Next Level Aggregation (IPv6 addressing)

NNTP

Network News Transfer Protocol (application layer protocol)

NSAP

Network Service Access Point (ISO network layer address)

NTP

Network Time Protocol (application layer protocol)

NVT

Network Virtual Terminal (application layer abstraction)

OSI

Open Systems Interconnection (communications standard)

OSPF

Open Shortest Path First (routing protocol)

OUI

Organizationally Unique Identifier (Ethernet Addresses)

PAD

Packet Assembly and Disassembly (ISO telnet gateways)

PBX

Private Branch Exchange (telephony)

PCM

Pulse Code Modulation (audio coding)

PDP

Policy Decision Point (IP QoS)

PDU

Protocol Data Unit (protocols)

PGP

Pretty Good Privacy (security)

PHB

Per Hop Behavior (DS specification)

PHY

Physical Layer (OSI reference model)

PoP

Point of Presence (network architecture)

POP

Post Office Protocol (application layer protocol)

POTS

Plain Old Telephone Service (non-IP telephony)

PPP

Point to Point Protocol (link layer protocol)

PS

Packet Switching

PS

Processor Sharing (theoretical processor service discipline)

QoS

Quality of Service

RADIUS

Remote Authentication Dial In User Service (AAA protocol)

RARP

Reverse Address Resolution Protocol (subnetwork layer)

RAS

Remote Access Service (dial-up network access)

RAS

Registration, Admission and Status (IP telephony)

RCF

Registration Confirm (H.323 telephony)

RED

Random Early Detection (RED)

RFC

Request for Comments (IETF standard)

RIP

Routing Information Protocol (routing protocol)

RLA

Remote LAN Access (access to private networks)

RLC

Radio Link Control (GSM data service)

ROADS

Running out of address space (IP version 4 problem)

ROHC

Robust Header Compression (IETF working group)

RPC

Remote Procedure Call (application layer protocol framework)

RRQ

Registration Request (H.323 telephony)

RSA

Rivest, Shamir and Adelman (security)

rsh

remote shell (Unix application)

RST

Reset (TCP connection abort)

RSVP

Resource Reservation Protocol (network layer signalling for IP)

RTCP

Real Time Transport Control Protocol (transport protocol in application layer)

RTP

Real Time Transport Protocol (transport protocol in application layer)

RTT

Round Trip Time (TCP)

SACK

Selective Acknowledgement (TCP)

SAP

Service Access Point (OSI term)

SAR

Segmentation and Reassembly (link layer)

SCTP

Stream Control Transmission Protocol (transport layer protocol)

SGSN

Serving GPRS Support Node (GSM network architecture)

SHA

Secure Hash Algorithm (security)

SIIT

Stateless IP/ICMP Translation (IPv6)

SIP

Session Initiation Protocol (IP telephony)

SLA

Service Level Agreement (contract between ISP and user)

SLA

Site Level Aggregation (IPv6 addressing)

SLIP

Serial Line IP (link layer protocol)

SLS

Service Level Specification (part of an SLA)

SMTP

Simple Mail Transfer Protocol (application layer protocol)

SNAP

Subnetwork Access Protocol (link layer protocol)

SNDCP

Subnetwork Dependent Convergence Protocol (GSM data service)

SNMP

Simple Network Management Protocol (application layer protocol)

SOA

Start of Authority (DNS resource record type)

SPF

Shortest Path First (routing)

SS7

CCITT/ITU Signalling System number 7 (telephony)

SSL

Secure Socket Layer (security)

SSTHRESH

Slow Start Threshold (TCP congestion control)

SWS

Silly Window Syndrome (TCP flow control)

SYN

Synchronize Sequence Numbers (TCP Connection Set-Up)

TCB

TCP Control Block (TCP implementation)

TCP

Transmission Control Protocol (transport layer protocol)

TDM

Time Division Multiplex (physical layer technology)

TE

Traffic Engineering

TFTP

Trivial File Transfer Protocol (application layer protocol)

TLA

Top Level Aggregation (IPv6)

TLD

Top Level Domain (DNS naming)

TLS

Transport Layer Security (security)

TLV

Type, Length, Value (transfer encoding)

TO

Timeout

TOS

Type of Service (IP header field)

TP

Twisted Pair (Ethernet cabling)

TTL

Time to Live (IP header field)

UAC

User Agent Client (SIP telephony)

UDP

User Datagram Protocol (transport layer protocol)

URG

Urgent (TCP control bit)

URI

Uniform Resource Identifier (HTTP naming)

URL

Uniform Resource Locator (HTTP naming)

US

United States (of America)

VAR

Variance (mathematics)

VoIP

Voice over IP (technology)

VPN

Virtual Private Network (network architecture)

VT

Virtual Terminal (application layer abstraction)

WAIS

Wide Area Information Service (application and server infrastructure)

WAN

Wide Area Network

WDM

Wavelength Division Multiplex (physical layer technology)

WWW

World Wide Web

XDR

External Data Representation (for NFS)

xDSL

(different DSL technologies)