1. Glossary and Terms (Download PDF)

2. A usful list of Acronyms 
A B C D E F G H I J K L M N O P Q R S T U V W X   
CAC     Call/Connection Admission Control
CAM     Content Addressable Memory
CBR     Constant Bit Rate
CCBS    Call completion to busy subscribers
CCIS    Common Channel Interoffice Signaling 
CCITT   International Telegraph and Telephone Consultative Committee
CDV     Cell Delay Variation
CIDR    Classless InterDomain Routing
CIR     Committed Information Rate (FR)
CL      Connectionless
CLP     Cell Loss Priority (ATM)
CO      Connection-Oriented
CoS     Class Of Service
CPU     Central Processing Unit
CRC     Cyclic Redundancy Code
CSMA/CD Carrier Sense Multiple Access, with Collision Detection