NNTP
Network News Transfer Protocol (Internet)
A-LAN
Automobile Local Area Network
AAL
Asynchronous transfer mode (ATM) Adaptation Layer
AAL1
Asynchronous transfer mode (ATM) Adaptation Layer 1
AAL2
Asynchronous transfer mode (ATM) Adaptation Layer 2
AAL3
Asynchronous transfer mode (ATM) Adaptation Layer 3