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/.
Area Border Router
3. acknowledgment bit in a TCP segment
access control list
authority and format identifier
African Network Information Centre
application layer gateway
American National Standards Institute
application programming interface ...