현재 멀티미디어 콘텐츠 서비스 제공자들은 콘텐츠 저작권을 보호하기 위해 독자적인 DRM 솔루션을 이용하고 있으며, 이는 소비 사장의 제한, 단말의 중복 투자, 전반적인 멀티미디어 콘텐츠 시장 위축의 원인이 된다. MPEG-21은 멀티미디어 프레임워크 표준으로써 투명한 콘텐츠 유통을 위한 요소기술과 이질적인 DRM 솔루션 간 상호운영성 확보를 위한 표준화를 진행 중이나, MPEG-21 표준의 실제 적용방식에 대한 연구는 아직 부족하다. 본 논문에서는 디지털 방송 환경에서 콘텐츠 보호관리의 상호운용성을 보장하기 위한 MPEG-21 기반 방송콘텐츠 패키정 방식을 제안하고, 구현을 통하여 제안한 방식의 적합성을 검증한다.
KSP Keywords
MPEG-21
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