H OTS POT GATEWAY248 The Subscriber InterfaceThe AAA StructureThe HSG’s Authentication, Authorization, and Accounting (AAA) module enablesthe solution provider to provision, track, and bill new or returning subscribers. Thisincludes:z Allowing the solution provider (for example, a hotel) to bill its guests for thehigh speed network services it provides, track usage on the network, anddeny service to those guests who have not paid.z Allowing the solution provider to bill subscribers for services rendered,either directly on their hotel bill (in the hotel scenario), via a mailed invoice,or directly to the subscriber’s credit card account.The following illustration shows the functional relationship between the HSG’sinternal modules and the external support systems.
