This chapter covers the following subjects:
Authentication, authorization, and accounting (AAA) was conceived originally to provide a centralized point of control for user access via dialup services. As user databases grew, more capability was required of the AAA server. Regional, and then global, requirements became common.
This chapter provides insight into the deployment process and presents a collection of factors that you should consider before deploying Cisco Secure Access Control Server (Cisco Secure ACS).