# PPT Slide

> RADIUS: Basics Authentication Data Flow

> ISP Accounting Database

> ISP Modem Pool

> Acct-Status-Type=Start User-Name=bob Framed-Address=217.213.21.5 ...

> Sun May 10 20:47:41 1998 Acct-Status-Type=Start User-Name=bob Framed-Address=217.213.21.5 ...

> The Internet

> ISP RADIUS Server

> Internet PPP connection established

> Acknowledgement

> The Accounting “Start” Record

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