지금까지 디지털 콘텐츠의 저작권기술은 표준화가 미비하여 업체마다 독자적으로 저작권 기술을 개발하여 사용 중이었으며, 이로 인해 디지털 콘덴츠의 저작권 관리와 보호에 혼란이 발생하였다. 이러한 문제를 해결하기 위하여 MPEG(Moving Picture Expects Group)에서는 MPEG-21 멀티미디어 프레임워크를 제안하여 표준화작업을 진행하고 있으며, 이 프레임워크에는 XML(Extensible Markup Language) 기반의 저작권 표현 언어인 REL(Rights Expression Language)이 포함되어 있다. REL은 MPEG-21 프레임워크에서 지적 재산권 관리 및 보호의 세부요소로 최종표준안이 이미 완료된 상황이이다. 지적 재산권 관리 및 보호 기반의 콘텐츠 보호시스템은 주요하게 라이센스 서버, 저작 서버, 툴 서버, 소비 서버 네 개 구조로 구분할 수 있다. 이에 본 논문에서는 디지털 콘텐츠의 저작권 관리에 혼란이 발생하는 문제를 해결하기 위하여 디지털 콘텐츠정보와 결제정보가 담긴 REL 문서를 생성하여 저작 서버에 전송하는 라이센스 서버 및 저작 서버와 소비 서버에서 사용하는 툴을 관리하는 틀 서버를 설계 및 구현하였다.
KSP Keywords
Extensible markup language(XML), MPEG-21, Moving picture, Rights expression language
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