Aradial Wireless LAN / Wi-Fi Billing and Radius server network diagram

Aradial Radius Server (AAA) Hotspot network diagram.
The diagram shows how Aradial Radius server is connected to an access point or to an access controller.
Aradial can connect to the devices using access points with access controllers (UAM) or
using http://www.chillispot.org or http://nocat.net