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- W2018558853 abstract "중앙집중 구조의 멀티미디어 디지털콘텐트 서비스에서는 서버의 과부하 문제와 네트워크 트래픽의 급격한 증가 문제가 발생한다. 최근에는 이러한 문제점을 해결하기 위한 디지털콘텐트 전송기술로 CDN에 대한 연구가 활발히 진행되고 있다. 본 연구에서는 디지털콘텐트의 전송 및 관리 시스템에서, 보안성능과 처리지연시간을 개선한 시스템인 SDCDS(Secure Digital Content Delivery System)을 설계하였다. SDCDS에서는 CDN에서의 보안성과 이에 따른 처리 지연시간 개선을 목적으로 하고 있다. 이를 위해서는 보안방식과 캐싱 방식을 CDN의 구조적 특성을 고려하여 설계하여야 한다. SDCDS에서는 공개키 기반 보안 방식을 CDN의 구조적 특성을 반영하도록 설계하였고, 암호화된 DC와 일반 DC의 그룹별 캐싱 방식의 향상된 캐싱 성능을 통해 처리 지연시간을 개선하였다. 또한 실험을 통해 제안 시스템의 성능을 평가하였다. Generally, the overloaded server problem and the rapidly increased network traffic problem are happened in a center concentrated multimedia digital content service. Recently, a study about the CDN which is a digital content transmission technology to solve these problems are performed actively. In this study, we proposed the SDCDS which improved a process latency time and a security performance on a digital content delivery and management. The goal of the SDCDS is the digital content security and the improvement of the processing time. For that, we have to design the security and the caching method considering the architecture characteristics of the CDN. In the SDCDS, the public key encryption method is designed by considering the architecture characteristics of CDN. And we improved the processing latency time by improved the caching method which uses the grouped caching method on the encrypted DC and the general DC. And in the experiment, we veryfy the performance of the proposed system." @default.
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- W2018558853 date "2005-04-01" @default.
- W2018558853 modified "2023-09-26" @default.
- W2018558853 title "SDCDS: A Secure Digital Content Delivery System with Improved Latency time" @default.
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- W2018558853 doi "https://doi.org/10.3745/kipstd.2005.12d.2.303" @default.
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