AARP: AppleTalk Address Resolution Protocol
ABM: Acquisition Bus Monitor
ACF: Advanced Communications Function
ACF/NCP: Advanced Communications Function/Network Control Program
ADCCP: Advanced Data Communication Control Procedures
ADS: Accès Distant Sécurisé
ADSL: Asymmetric Digital Subscriber Line
AF: Assured Forwarding
AJPIII: All Junky Pages Intentionally Illogical & Inconsistent
ALP: Access Linux Platform
AODI: Always On/Dynamic ISDN
API: Application Program Interface
API: Application Programming Interface
APON: ATM Passive Optical Network
APPC: Advanced Program-to-Program Communications
APPN: Advanced Peer-to-Peer Networking
ARAP: Appletalk Remote Access Protocol
ARD: Apple Remote Desktop
ARM: Asynchronous Response Mode
ASA: Adaptive Server Anywhere
ASAI: Adjunct/Switch Application Interface
ASB: Advanced System Buffering
ASF: Advanced Streaming Format
ASIP: AppleShare IP
ASP: Active Server Pages
ASP: AppleTalk Session Protocol
ASP: Application Service Provider
ASSP: Anti-Spam-SMTP-Proxy
ATAG: Authoring Tool Accessibility Guidelines
ATC: Advanced Transfer Cache
ATU-C: ADSL Transmission Unit at Central Office
ATU-R: ADSL Transmission Unit for Resident
AURP: AppleTalk Update-Based Routing Protocol
AV: Access Violation
BASE: Bielefeld Academic Search Engine
BBS: Bulletin Board System
BCB: Backbone Core Bridge
BCT: Bus Configuration Table
BCU: Bus Control Unit
BOAI: Budapest Open Access Initiative