□ Authentication, Authorization, Accounting
   □ IETF “RADIUS-Remote Authentication Dial In User Service” protocol
      (RFC2138, RFC2139) compliance
   □ Billing System Support
   □ Load Balancing and Redundancy function

   □ High speed and High stability





[ AAA Server ]

    □ Linux or Solaris based AAA Client/Server
    □ AAA Client Module
    □ Issuing new cards to retailer & managing retailer
    □ AAA Server Module
        - Billing system AAA Server module
   □ RADIUS for end-point to GateKeeper communications