Campus Network Design Fundamentals

Appendix D. Abbreviations

This appendix identifies abbreviations, acronyms, and initialisms used in this book and in the internetworking industry.

Many of these acronyms and other terms are also described in the Cisco Internetworking Terms and Acronyms resource, available at http://www.cisco.com/univercd/cc/td/doc/cisintwk/ita/.

3DES	Triple Data Encryption Standard.
AAA	authentication, authorization, and accounting.
ABR	Area Border Router.
ACD	automatic call distribution.
ACK	1. acknowledgment. 2. acknowledgment bit in a TCP segment.
ACNS	Application and Content Networking System.
ACS	(Cisco Secure) Access Control Server.
ADSL	asymmetric digital subscriber line.
AES	Advanced Encryption Standard.
AF	Assured Forwarding.
ARP	Address Resolution Protocol.
ASBR	Autonomous System ...