1. RADIUS allows distributed "modem pools" to use the same authentication server. When a user dials-up to an ISPs, the username/password is transmitted across the Internet to the central RADIUS server. This allows an ISP to easily manage many dialin locations. Key point: Since its humble beginnings, RADIUS has spread to become a generic remote authentication service. For example, it is becoming the desired standard to fix IEEE 802.11 wireless authentication problems. random