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Prepaid Extensions to Radius for Event- based Charging Christian Guenther, Hannes Tschofenig.

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Presentation on theme: "Prepaid Extensions to Radius for Event- based Charging Christian Guenther, Hannes Tschofenig."— Presentation transcript:

1 Prepaid Extensions to Radius for Event- based Charging Christian Guenther, Hannes Tschofenig

2 Overview Several models for charging: — Volume-based charging (e.g., 2 Cent/KiloByte), — Duration-based charging (e.g., 3 Cent/minute), — Subscription-based charging (e.g., 5 Dollar/month+service), — Event-based charging (e.g., 7 Cent/URL or ). Volume- and time-based charging with debiting of prepaid accounts is being treated in In event-based charging procedures, customers get charged for service usage per se. This type of charging can be independent of data volume transferred, time period of service availment, or user subscription status.

3 Framework User/Host | | Event | | | | Policy | | | | Database Event | | (EPD) | | Handler | | (EH) | | | | Rating | | | | Charging | | Accounts | | Entity Handler Database | | (RE) | | | | (CH) | | (AD) | | | Service | | Provider | | (SP) | User wants to use service of SP EH permanently scans the service access requests EH has a database (EPD) which allows to distinguish between chargeable and non- chargeable events RE supplies the EH with cost information CH performs necessary actions (debiting, amount reservation, amount capture) on the users account

4 Use Case Price Enquiry |Event Handler | | Rating Entity | | | | Price Enquiry Request | | >| | | | Price Enquiry Response | |< | | | Used to determine price information related to a given service.

5 Use Case Direct Debiting | Event Handler | | Charging Handler | | | | Direct Debiting Request | | >| | | | Direct Debiting Response | |< | | | Debiting of prepaid accounts can be preceded by reserving a sufficient amount from the prepaid account or can go without such an amount reservation. The latter case is referred to as 'direct debiting' which can occur prior to service execution or afterwards.

6 Use Case Amount Reservation | Event Handler | | Charging Handler | | | | Amount Reservation Request | | >| | | | Amount Reservation Response | |< | | | Reservation of amounts of money (or of non-monetary units) Reserved amounts are then captured at a later point of time.

7 Use Case Amount Capture | Event Handler | | Charging Handler | | | | Amount Capture Request | | >| | | | Amount Capture Response | |< | | | After having reserved a certain amount of a prepaid account, this amount can be captured.

8 New RADIUS Attributes Service-Name — Specifies the service to which the user requests access. Requested-Action — Action requested to perform: price enquiry, amount reservation, amount capture, or price enquiry Cost — Indicates price information Currency-Code — Currency of the value of the cost attribute Charging-Session-Id — Unique identifier

9 Next Steps Resolve some open issues Work together with authors of

10 Questions?


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