
271
Appendix E
Glossary of Terms
AAL: ATM Adaptation Layer
AARP: AppleTalk Address Resolution Protocol
ABR: Area border router
AC: Access Control (Token Ring)
ACK: Acknowledgment
ACL: Access Control List
ADSL: Asymmetric Digital Subscriber Line
ADSP: AppleTalk Data Stream Protocol
AFP: AppleTalk File Protocol
AH: Authentication Header
ALE: Annual loss expectancy
AM: Amplitude modulation
AMI: Alternate Mark Inversion (T1/E1)
ANSI: American National Standards Institute
API: Application programming interface
APPN: Advanced peer-to-peer networking
ARP: Address Resolution Protocol
ARPA: Advanced Research Projects Agency
AS: Autonomous system
ASBR: Autonomous system boundary ...