비디오 서버 기반 저장장치의 신뢰성 향상을 위한 코딩 기법의 설계 및 구현
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In order to improve the reliability of storage system in video server, we applied Liberation code to its storage system. Our proposed method generates parity code and Liberation code for video data by dividing video data imported from IP camera into the fixed units. When the recorded video data was damaged, the generated parity and Liberation codes can restore the damaged video data. We also propose a write-back scheme considering the characteristics of HDD and rearranging the recording sequence of video data to improve the performance of playing function.