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학술대회 A Freshness Based Persistent Assurance Scheme for Secure Scalable Media Distribution
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저자
문용혁, 나재훈, 윤찬현
발행일
201009
출처
International Conference on Cooperative Design, Visualization, and Engineering (CDVE) 2010 (LNCS 6240), v.6240, pp.97-100
DOI
https://dx.doi.org/10.1007/978-3-642-16066-0_15
협약과제
10MR2400, 유무선 환경의 개방형 IPTV(IPTV 2.0) 기술개발, 류원
초록
Unlike a single-layer based media, maintaining data integrity of a scalable media (SVC-encoded media) constructed as multiple layers is more difficult to achieve due to a retransformation property of the scalable media. Moreover, media redistribution among heterogeneous devices makes this issue more critical. To provide consistency in data management, we newly define an extended concept of data integrity as freshness in the standpoints of currency and reuse of data. In this paper we propose how to generate freshness information from the scalable media and describe a freshness-based persistent control of verifying currency and reusability for reliably coping with media retransformation and redistribution problems, respectively. © 2010 Springer-Verlag Berlin Heidelberg.
KSP 제안 키워드
Data Integrity, Data Management, Media distribution, Single-layer, heterogeneous devices, multiple layers