#                                                                                                                                                       Retune

6BONE

The Internet’s experimental IPv6 network

6PE

IPv6 Provider Edge

10GE

Ten-GigabitEthernet

A                                                                                                                                                       Retune

AAA

Authentication, Authorization and Accounting

ABC

Activity Based Costing

ABR

Area Border Router

AC

Alternating Current

ACK

ACKnowledgement

ACL

Access Control List

ADSL

Asymmetric Digital Subscriber Line

AFI

Address Family Identifier

ALG

Application Layer Gateway

AM

accounting management

ANSI

American National Standard Institute

AP

Access Point

ARP

Address Resolution Protocol

AS

Autonomous System

ASBR

Autonomous System Border Router

ASCII

American Standard Code for Information Interchange

ASE

Application service element

ASIC

Application Specific Integrated Circuit

ASM

Any-Source Multicast

ASN

Auxiliary Signal Network

AT

Advanced Technology

AT

Adjacency Table

ATM

Asynchronous Transfer Mode

AUX

Auxiliary (port)

B                                                                                                                                                       Retune

BC

Bearer Control

BDR

Backup Designated Router

BFD

Bidirectional Forwarding Detection

BGP

Border Gateway Protocol

BIMS

Branch Intelligent Management System

BOOTP

Bootstrap Protocol

BPDU

Bridge Protocol Data Unit

BRI

Basic Rate Interface

BSR

Bootstrap Router

BT

BitTorrent 

BT

Burst Tolerance

C                                                                                                                                                      Retune

CA

Call Appearance

CAR

Committed Access Rate

CBS

Committed Burst Size

CBQ

Class Based Queuing

CBR

Constant Bit Rate

CBT

Core-Based Tree

CCITT

International Telephone and Telegraph Consultative Committee

CE

Customer Edge

CFM

Configuration File Management

CHAP

Challenge Handshake Authentication Protocol

CIDR

Classless Inter-Domain Routing

CIR

Committed Information Rate

CIST

Common and Internal Spanning Tree

CLNP

Connectionless Network Protocol

CPOS

Channelized POS

CPU

Central Processing Unit

CQ

Custom Queuing

CRC

Cyclic Redundancy Check

CR-LSP

Constraint-based Routing LSP

CR-LDP

Constraint-based Routing LDP

CSMA/CD

Carrier Sense Multiple Access/Collision Detect

CSNP

Complete SNP

CSPF

Constraint Shortest Path First

CST

Common Spanning Tree

CT

Call Transfer

CV

Connectivity Verification

D                                                                                                                                                       Retune

DAR

Deeper Application Recognition

DCE

Data Circuit-terminal Equipment

DD

Database Description

DDN

Digital Data Network

DHCP

Dynamic Host Configuration Protocol

DIS

Designated IS

DLCI

Data Link Connection Identifier

DLDP

Device Link Detection Protocol

DNS

Domain Name System

DoD

Downstream on Demand

DoS

Denial of Service

DR

Designated Router

DSCP

Differentiated Services Codepoint Priority

DSP

Digital Signal Processor

DTE

Data Terminal Equipment

DU

Downstream Unsolicited

D-V

Distance Vector Routing Algorithm

DVMRP

Distance Vector Multicast Routing Protocol

DWDM

Dense Wavelength Division Multiplexing

E                                                                                                                                                       Retune

EACL

Enhanced ACL

EAD

Endpoint Admission Defense

EAP

Extensible Authentication Protocol

EAPOL

Extensible Authentication Protocol over LAN

EBGP

External Border Gateway Protocol

EBS

Excess Burst Size

EGP

Exterior Gateway Protocol

ES

End System

ES-IS

End System-Intermediate System

F                                                                                                                                                       Retune

FCoE

Fabric Channel over Ethernet

FC

Forwarding Class

FCS

Frame Check Sequence

FDDI

Fiber Distributed Data Interface

FDI

Forward Defect Indication

FEC

Forwarding Equivalence Class

FFD

Fast Failure Detection

FG

Forwarding Group

FIB

Forwarding information base

FIFO

First In First Out

FQDN

Full Qualified Domain Name

FR

Frame Relay

FRR

Fast ReRoute

FRTT

Fairness Round Trip Time

FT

Functional Test

FTP

File Transfer Protocol

G                                                                                                                                                       Retune

GARP

Generic Attribute Registration Protocol

GE

Gigabit Ethernet

GR

Graceful Restart

GRE

Generic Routing Encapsulation

GTS

Generic Traffic Shaping

GVRP

GARP VLAN Registration Protocol

H                                                                                                                                                       Retune

HA

High Availability

HDLC

High-level Data Link Control

HEC

Header Error Control

HoPE

Hiberarchy of PE

HoVPN

Hiberarchy of VPN

HQoS

Hierarchical Quality of Service

HSB

Hot Standby

HTTP

Hyper Text Transport Protocol

H-VPLS

Hiberarchy of VPLS

HVRP

Hierarchy VLAN Register Protocol

HWTACACS

HUAWEI Terminal Access Controller Access Control System

I                                                                                                                                                       Retune

IA

Incoming Access

IANA

Internet Assigned Number Authority

IBGP

Internal BGP

IBM

International Business Machines

ICMP

Internet Control Message Protocol

ICMPv6

Internet Control Message Protocol for IPv6

ID

IDentification/IDentity

IEEE

Institute of Electrical and Electronics Engineers

IETF

Internet Engineering Task Force

IGMP

Internet Group Management Protocol

IGMP-Snooping

Internet Group Management Protocol Snooping

IGP

Interior Gateway Protocol

ILM

Incoming Label Map

ILS

Internet Locator Service

IN

Intelligent Network

IP