List of Acronyms

AA Authoritative Answer

AAAA IPv6 DNS record

ABR Area Border Router

ACD Automatic Call Distribution

ACELP Algebraic-Code-Excited Linear Prediction

ACK Acknowledgment

AD Active Directory, Auto-Discovery

ADM Add-Drop Multiplexer

ADPCM Adaptive Differential Pulse Code Modulation

ADSL Asymmetric Digital Subscriber Loop

AF Address Family

AFI Address Family Identifier (RIP); Authority and Format Identifier (IS-IS)

AfriNIC African Network Information Center

AH Authentication Header

AIX Advanced Interactive Executive (IBM’s Unix)

AMI Alternate Mark Inversion

ANS Advanced Network Service

ANSI American National Standards Institute

AOL America On-Line

API Application Program Interface

APNIC Asian Pacific Network Information Center

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