¡à Authentication, Authorization, Accounting
   ¡à IETF ¡°RADIUS-Remote Authentication Dial In User Service¡± protocol
      (RFC2138, RFC2139) compliance
   ¡à Billing System Support
   ¡à Load Balancing and Redundancy function

   ¡à High speed and High stability





[ AAA Server ]


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