End-to-End DSL Architectures

AAA Overview

This section describes the combined functionality of AAA as it relates specifically to the DSL environment. A very common real-life example of AAA is providing secure access to different network services from the same DSL connection, which must be a PPP connection to use AAA. A user might have one login account for corporate access and a different account for Internet access. Each of these accounts is identified by a unique username and password. In this way, a home office user can access a corporate network with one account while allowing his children to access the Internet with another.

AAA's three component functions are specified in different Requests For Comments (RFCs). AAA is defined in four sequential RFCs, all dating from ...