본 논문은 Diameter 프로토콜을 이용하여 모바일 RFID 서비스를 위한 구성 노드 간 보안 연관을 설정하여 노드 간 통신에 대한 보안을 제공하며, 모바일 RFID 서비스 사용자의 QoS 기반 권한 검증을 제공함으로써, 차별적인 서비스를 제공할 수 있도록 한다. 본 논문은 현재 우리나라에서 표준으로 제정중인 모바일 RFID 기술을 전제로 하며 따라서 900㎒ 주파수 대역을 사용하는 RFID tag와 휴대폰에 장착되는 RFID 리더를 사용하는 환경을 가정한다. 또한 Diameter AAA 서버를 이용하여 망 접속 인증을 수행하는 환경을 가정한다. Diameter AAA 서버를 이용하여 망 접속 인증을 수행한 후, 사용자의 QoS와 서버의 정책에 따른 권한 검증을 수행하며, 모바일 RFID 서비스 노드 간 보안 정책을 동적으로 생성하여 분배한다. 보안 연관이 수립 가능한 구간은 RFID 태그와 RFID 리더간, RFID 리더(휴대폰)와 모바일 RFID 서비스 에이전트(Diameter AAA Client)간, 휴대폰과 응용 서버(OIS : Object Information Service)간, 휴대폰과 이력정보제공서버(OTS : Object Traceability Service) 간 휴대폰과 과금/결재 서버 간으로 한다.
KSP Keywords
Information services, Traceability service
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