본 논문은 무선망과 유선 인터넷 망을 연결하여 실시간 인터넷 접속 서비스를 받을 수 있는 IS-95C 패킷 데이터 서비스 노드(PDSN: Packet Data Service Node) 기능을 수행하는 개방형 무선 인터넷 접속장치(MiDAS: Mobile Interface Data Access System)에서 사용자 인증 및 권한 검증을 수행하는 AAA 프레임웍의 설계 방법에 관한 것이다. 실시간으로 접속되는 무선 인터넷 접속 사용자의 수가 증가할수록 PDSN 에서의 사용자 관리가 중요한 문제로 대두되고 이러한 문제점을 효율적으로 처리할 수 있는 방법을 제시한다. MiDAS 에서의 AAA 프레임웍 구현을 위해 RADIUS 프로토콜을 이용하였으며 실시간으로 요구하는 무선인터넷 사용자의 인증을 수행하기 위해 AAA 클라이언트에서 사용자 관리를 위한 구현방법, 통신 구현방법, 그리고 타이머를 통하여 인증 처리에서 서버 응답에 대한 임계시간을 두어 구현하는 방법에 관한 것이다.
KSP Keywords
Data Access, Mobile interfaces, data services(DSs), packet data
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