Journal of KIISE:Computer Systems and Theory (한국정보과학회논문지:시스템및이론)

Korean Institute of Information Scientists and Engineers (한국정보과학회)
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Video Server with Optical Mass Storage

광주크박스 저장장치에 기반한 비디오 서버

  • 이종민 (연세대학교 컴퓨터과학과) ;
  • 차호정 (연세대학교 컴퓨터과학과) ;
  • 오재학 (광운대학교 컴퓨터과학과) ;
  • 박병준 (광운대학교 컴퓨터과학과)
  • Published : 2002.06.01
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Abstract

This paper discusses the design and implementation of a video server which uses tertiary device, such as magneto-optical jukebox or tape library, as a source of media archiving. In order to handle the tertiary device in the framework of disk-based stream service model, a sophisticated streaming model is required for server and it should consider the device-specific performance characteristics of tertiary storage. We have carefully designed the streaming mechanism for server whose key functionalities include stream scheduling, disk caching and admission control. The proposed system has been implemented on Windows 2000 platform which is equipped with a magneto-optical jukebox. The design principles of the server are validated with the experiments and the performance characteristics is analyzed.

본 논문은 광주 크박스와 테잎 라이브러리 같은 Tertiary 저장 장치를 미디어 저장 장치로 사용하는 비디오 서버의 설계와 구현에 대하여 기술한다. Tertiary 저장 장치를 스트리밍 서버의 미디어 저장 장치로 사용하기 위해서는 Tertiary 저장 장치의 하드웨어적인 특성을 고려한 적절한 스트리밍 서비스 모델이 필요하다. 논문에서는 연속 미디어의 특성을 고려한 스트림 스케쥴링, 디스크 캐슁, 사용자 수용 제어 정책 등을 제안하고 이를 핵심으로 하는 스트리밍 서비스 모델을 제시한다. 제안된 시스템은 광주크박스 저장장치를 장착한 Windows 2000 플랫폼에서 구현되었고, 다양한 실험 및 성능 분석을 통해 제안된 정책들이 올바로 동작함을 검증하였다.

Keywords

References

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