ABNF

Augmented Backus-Naur Form

APS

Automatic Protection Switching

ARP

Address Resolution Protocol

BCP

Best Current Practice

BEEP

Blocks Extensible Exchange Protocol

  • Notes: RFC 3080

BOOTP

BOOTstrap Protocol

CARD

Candidate Access Router Discovery

  • Notes: RFC 4066

CAT

Common Authentication Technology

  • Notes: RFC 1511

CCM

Counter with CBC-MAC

  • Notes: RFC 3610

CFWS

Comments / Folding White Space

  • Notes: RFC 1822

CIDR

Classless Internet DOMAIN Routing

  • Notes: RFC 1519

CMS

Cryptographic Message Syntax

  • Notes: RFC 2630

CRISP

Cross Registry Internet Service Protocol

  • Notes: RFC 3707

DDDS

Dynamic Delegation Discovery System

  • Notes: RFC 3401/3402/3403/3404/3405

DMF

Digest Message Format

  • Notes: RFC 1153

DNS

Domain Name System

  • Notes: RFC 1034/1035

DSLCP

Dynamically Switched Link Control Protocol

  • Notes: RFC 1307

EAP

Extensible Authentication Protocol

ECMP

Electroning Commerce Modeling Language

  • Notes: RFC 4112

EGP

Exterior Gateway Protocol

  • Notes: RFC 904

EHF

Encoding Header Field

  • Notes: RFC 1154

EPP

Extensible Provisioning Protocol

  • Notes: RFC 3730/3731/3732/3733/3734/3735

ESMTP

Extended Simple Message Transport Protocol

  • Notes: RFC 1425/1869

FEP

Firewall Enhancement Protocol

  • Notes: RFC 3093

FTP

File Transfer Protocol

  • Notes: RFC 959

FWS

(Folding) White Space

  • Notes: RFC 1822

GGP

Gateway to Gateway Protocol

  • Notes: RFC 823

GRE

Generic Routing Encapsulation

  • Notes: RFC 1701

GSER

Generic String Encoding Rules

  • Notes: RFC 3641/342

GSS-API

Generic Security Service API

  • Notes: RFC 2078

GTSM

Generalized TTL Security Mechanism

  • Notes: RFC 3682

HAP

Host Access Protocol

  • Notes: RFC 907/1221

HMAC

keyed-Hashing for Message AuthentiCation

  • Notes: RFC 2104

IAB

Internet Architecture Board

IEPG

Internet Engineering and Planning Group

  • Notes: RFC 1690

IMAP

Internet Message Access Protocol

  • Notes: RFC 2060

IP

Internet Protocol

  • Notes: RFC 791

IRC

Internet Relay Chat

  • Notes: RFC 1459

IRTF

Internet Research Task Force

IRTP

Internet Reliable Transaction Protocol

  • Notes: RFC 938

ISNS

Internet Storage Name Service

  • Notes: RFC 4171

LDAP

Lightweight Directory Access Protocol

  • Notes: RFC 1777

LDAP-API

Lightweight Directory Access Protocol Application Program Interface

  • Notes: RFC 1823

LDP

Label Distribution Protocol

  • Notes: RFC 3036

LDP

Loader Debugger Protocol

  • Notes: RFC 909

LPDP

Line Printer DAEMON Protocol

  • Notes: RFC 1179

MADCAP

Multicast Address Dynamic Client Allocation Protocol

  • Notes: RFC 2730

MASC

Multicast Address-Set Claim

  • Notes: RFC 2909, Multicast

MD2

Message Digest (algorithm) 2

  • Notes: RFC 1115/1319

MD4

Message Digest (algorithm) 4

  • Notes: RFC 1320

MD5

Message Digest (algorithm) 5

  • Notes: RFC 1321

MIME

Multipurpose Internet Mail Extensions

  • Notes: RFC 2045/2046/2047/2048/2049

MP

Multilink Protocol

  • Notes: RFC 1990

MPLS

Multi-Protocol Label Switching

  • Notes: RFC 3031

MPP

Message Posting Protocol

  • Notes: RFC 1204

MTP

Message Transaction Protocol

MZAP

Multicast-scope Zone Announcement Protocol

  • Notes: RFC 2776

NARP

Non-Broadcast Multiple Access Address Resolution Protocol

  • Notes: RFC 1735

NDP

Neighbor Discovery Protocol

  • Notes: RFC 2462

NETBIOS

NETwork Basic Input Output System

  • Notes: RFC 1001/1002

NETBLT

NETwork BLock Transfer

NNTP

Network News Transfer Protocol

  • Notes: RFC 977

NSIS

Next Steps In Signaling

  • Notes: RFC 4080

NSSA

Not So Stubby Area

  • Notes: RFC 1587

NTP

Network Time Protocol

  • Notes: RFC 1119/1305

ODA

Office Document Architecture

  • Notes: RFC 1197

OLSR

Optimized Link State Routing

  • Notes: RFC 3626

OSPF

Open Shortest Path First

  • Notes: RFC 1583

OWAMP

One Way Active Measurement Protocol

  • Notes: RFC 3763

PAP

Password Authentication Protocol

  • Notes: RFC 1334

PEP

Performance Enhancing Proxy

  • Notes: RFC 3135

PEP2

Performance Enhancing Proxy 2

PINT

PSTN INTernet Interworking

  • Notes: IETF Working Group

PNG

Portable Network Graphics

  • Notes: RFC 2083

POP3

Post Office Protocol 3

  • Notes: RFC 1939

PPP

Point to Point Protocol

  • Notes: RFC 1171/1661

PPVPN

Provider Provisioned VPN

  • Notes: RFC 4026

RADIUS

Remote Authentication Dial-In User Service

  • Notes: RFC 2865

RAP

Route Access Protocol

  • Notes: RFC 1476

RARP

Reverse Address Resolution Protocol

  • Notes: RFC 903

RATP

Reliable Asynchronous Transfer Protocol

  • Notes: RFC 916

RC5

Rivest Cipher 5

  • Notes: RFC 2040

RDP

Reliable Datagram Protocol

RFC

Request For Comments

RJE

Remote Job Entry

  • Notes: RFC 407

RLP

Resource Location Protocol

  • Notes: RFC 887

RPC

Remote Procedure Call

  • Notes: RFC 1831

RR

Resource Record

S/MIME

Secure Multipurpose Internet Mail Extensions

SAP

Session Announcement Protocol

  • Notes: RFC 2974

SCTP

Stream Control Transmission Protocol

SDP

Session Description Protocol

  • Notes: RFC 2327

SFTP

Simple File Transfer Protocol

  • Notes: RFC 913

SKI

Service Key Identifier

  • Notes: RFC 3280, also ITU X.509v3

SKID

Service Key IDentifier

  • Notes: RFC 3280, also ITU-T X.509v3

SMTP

Simple Mail Transfer Protocol

  • Notes: RFC 821

SNI

Service Name Indicator

  • Notes: RFC 3546

SNMP

Simple Network Management Protocol

  • Notes: RFC 1157/1902

SNPP

Simple Network Paging Protocol

  • Notes: RFC 1861

SNTP

Simple Network Time Protocol

  • Notes: RFC 2030

SPKM

Simple Public-Key (GSS-API) Mechanism

  • Notes: RFC 2025

SRTP

Secure Real-time Transport Protocol

  • Notes: RFC 3711

SSM

Source Specific Multicast

  • Notes: RFC 3569

SSP

Switch to Switch Protocol

  • Notes: RFC 1795

STD

Standard Document

STP

Spanning-Tree Protocol

TBRPF

Topology dissemination Based on Reverse-Path Forwarding

  • Notes: RFC 3684

TE

Traffic Engineering

  • Notes: RFC 3630

TESLA

Timed Efficient Stream Loss-tolerant Authentication

  • Notes: RFC 4082

TESS

The Exponential Security System

  • Notes: RFC 1824

TMUX

Transport MUltipleXing protocol

  • Notes: RFC 1692

TTL

Time To Live

TXT-RR

TXT Resource Record

  • Notes: RFC 1035

VMTP

Versatile Message Transaction Protocol

VXLAN

Virtual Extensible LAN

  • Notes: RFC 7348

XOT

X.25 Over TCP

  • Notes: RFC 1613

DNS

FQDN

Fully Qualified Domain Name

TLD

Top Level Domain

IP

AH

Authentication Header

  • Notes: RFC 1826

AS

Autonomous System

  • Notes: RFC 1930

BGP

Border Gateway Protocol

  • Notes: RFC 1267/1771

CATNIP

Common ArchiTecture for Next generation Internet Protocol

  • Notes: RFC 1707

CBT

Core Based Tree

  • Notes: RFC 1949/2189

DHCP

Dynamic Host Configuration Protocol

  • Notes: RFC 2131

ECN

Explicit Congestion Notification

  • Notes: RFC 2481

EIP

Extended Internet Protocol

  • Notes: RFC 1385

ICMP

Internet Control Message Protocol

  • Notes: RFC 792

ICMPv4

Internet Control Message Protocol, version 4

  • Notes: RFC 792

ICMPv6

Internet Control Message Protocol, version 6

  • Notes: RFC 1885

IGMP

Internet Group Management / Multicast Protocol

  • Notes: RFC 1112/2236

IPCP

Internet Protocol Control Protocol

  • Notes: RFC 1332

IPNG

Internet Protocol Next Generation

  • Notes: RFC 1550/1752

IPOA

IP and ARP Over ATM

IPSec

Internet Protocol Security

IPv4

Internet Protocol, version 4

  • Notes: RFC 791

IPv6

Internet Protocol, version 6

  • Notes: RFC 1883/1884

IPXCP

Internetwork Packet eXchange Control Protocol

  • Notes: RFC 1552

L2TP

Layer 2 Tunneling Protocol

  • Notes: RFC 2661

LIS

Logical IP Subnet

  • Notes: RFC 1577

MGCP

Media Gateway Control Protocol

  • Notes: RFC 2705

MLD

Multicast Listener Discovery

  • Notes: RFC 2710

MOSPF

Multicast Open Shortest Path First

  • Notes: RFC 1584

NAT

Network Address Translator

  • Notes: RFC 1631

RIP

Routing Information Protocol

  • Notes: RFC 1721

RIPNG

Routing Information Protocol Next Generation

  • Notes: RFC 2080

ROHC

RObust Header Compression

  • Notes: RFC 3095/3759

RRP

Registry Registrar Protocol

  • Notes: RFC 2832/3632

RSVP

Resource reSerVation Protocol

  • Notes: RFC 2205

RSVP-TE

Resource reSerVation Protocol - Traffic Engineering

RTP

Real Time Protocol

  • Notes: RFC 1889/1890

RTSP

Real Time Streaming Protocol

  • Notes: RFC 2326

SIP

Session Initiation Protocol

  • Notes: RFC 2543

SIPP

Simple Internet Protocol Plus

  • Notes: RFC 1710

SLIP

Serial Line Internet Protocol

  • Notes: RFC 1055

SNAIP

Systems Network Architecture/Internet Protocol

  • Notes: RFC 1538

TCP

Transmission Control Protocol

  • Notes: RFC 793

TFRP

TCP Friendly Rate Control

  • Notes: RFC 3448

TFTP

Trivial File Transfer Protocol

  • Notes: RFC 1350/1782/1783/1784/1785

TRIP

Telephony Routing over IP

  • Notes: RFC 3219

TUBA

TCP and UDP with Bigger Addresses

  • Notes: RFC 1347

UDP

User Datagram Protocol

Policy

COPS

Common Open Policy Service protocol

  • Notes: RFC 2748

COPS-PR

Common Open Policy Service for Policy Provisioning

  • Notes: RFC 3084

PCIM

Policy Core Information Model

PDP

Policy Decision Point

PEP

Policy Enforcement Point

PIB

Policy Information Base

SPPI

Structure of Policy Provisioning Information

PPP

ACCM

Asynchronous Character Control Map

ACFC

Address and Control Field Compression

BAP

Bandwidth Allocation Protocol

  • Notes: RFC 2125

BAPC

Bandwidth Allocation Control Protocol

  • Notes: RFC 2125

BCP

Bridging Control Protocol

  • Notes: RFC 1638

CCP

Compression Control Protocol

  • Notes: RFC 1962

CHAP

Challenge Handshake Authentication Protocol

  • Notes: RFC 1334/1994

DESE

Data Encryption Standard Encryption protocol

  • Notes: RFC 1969

DNCP

DECNet phase IV Control Protocol

  • Notes: RFC 1762

LCP

Link Control Protocol

  • Notes: RFC 1570

MVRCA

Magnalink Variable Resource Compression Algorithm

  • Notes: RFC 1975

PPPOE

Point-to-Point Protocol Over Ethernet

  • Notes: RFC 2516

SDTP

Serial Data Transport Protocol

  • Notes: RFC 1963

SNACP

Systems Network Architecture Control Protocol

  • Notes: RFC 2043

PPVPN

AC

Attached Circuit

  • Notes: RFC 4026

C

Customer device

  • Notes: RFC 4026

CE

Customer Edge device

  • Notes: RFC 4026

CPE

Customer Premise Equipment

  • Notes: RFC 4026

IPLS

IP-only LAN-like Service

  • Notes: RFC 4026

L2PE

Layer 2 PE

  • Notes: RFC 4026

L2VPN

Layer 2 VPN

  • Notes: RFC 4026

L3VPN

Layer 3 VPN

  • Notes: RFC 4026

LPE

Logical PE

  • Notes: RFC 4026

MTU

Multi-tenant Unit

  • Notes: RFC 4026

P

Provider router

  • Notes: RFC 4026

PE

Provider Edge

  • Notes: RFC 4026

PSN

Packet Switched Network

  • Notes: RFC 4026

PW

Pseudo Wire

  • Notes: RFC 4026

RD

Route Distinguisher

  • Notes: RFC 4026

RT

Route Target

  • Notes: RFC 4026

TLS

Transparent LAN Service

  • Notes: RFC 4026

VC

Virtual Channel

  • Notes: RFC 4026

VE

VPLS Edge

  • Notes: RFC 4026

VFI

VPN Forwarding Instance

  • Notes: RFC 4026

VLAN

Virtual LAN

  • Notes: RFC 4026

VLLS

Virtual Leased Line Service

  • Notes: RFC 4026

VPLS

Virtual Private LAN Service

  • Notes: RFC 4026

VPN

Virtual Private Network

  • Notes: RFC 4026

VPSN

Virtual Private Switched Network

  • Notes: RFC 4026

VPWS

Virtual Private Wire Service

  • Notes: RFC 4026

VRF

VPN Routing and Forwarding

  • Notes: RFC 4026

VSI

Virtual Switched Instance

  • Notes: RFC 4026

SNMP

AE

Application Entity

CMOT

CMIP over TCP/IP

  • Notes: RFC 1189

DPI

Distributed Protocol Interface

  • Notes: RFC 1228/1592

HEMS

High-level Entity Management System

HMP

Host Monitoring Protocol

  • Notes: RFC 869

MP

Message Processing

PE

Protocol Entity

SGMP

Simple Gateway Monitoring Protocol

  • Notes: RFC 1028

SMI

Structure of Management Information

  • Notes: RFC 1155/1902

SMIng

Structure of Management Information Next Generation

  • Notes: RFC 3780

SMIv2

Structure of Management Information, version 2

SMUX

SNMP MUltipleXing protocol

  • Notes: RFC 1227

SNMPv1

SNMP version 1

SNMPv2

SNMP version 2

SNMPv2*

SNMP version 2 star

SNMPv2c

SNMP version 2 community

SNMPv2u

SNMP version 2 user

SNMPv3

SNMP version 3

USEC

USer SEcurity

USM

User-based Security Model

  • Notes: RFC 2574

VACP

View-based Access Control Protoco

  • Notes: RFC 2575

WWW

HTML

HyperText Markup Language

  • Notes: RFC 1866/1942

HTTP

Hyper Text Transfer Protocol

  • Notes: RFC 2068/2616

MDA

Medicated Digest Authentication

URI

Uniform Resource Identifier

  • Notes: RFC 1630/2396

URL

Uniform Resource Locator

  • Notes: RFC 1738

URN

Uniform Resource Name

  • Notes: RFC 1737

WEBDAV

Web Distributed Authoring and Versioning

  • Notes: RFC 2518

WS

Web Socket

  • Notes: RFC 6455