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Electronics and Telecommunications Research Institute (한국전자통신연구원)
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An SSD-Based Storage System for an Interactive Media Server Using Video Frame Grouping

  • Jeong, Yo-Won (Department of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Samsung Electronics Corporation) ;
  • Park, Youngwoo (Hyundai Motor Company) ;
  • Seo, Kwang-Deok (Computer and Telecommunications Engineering Division, Yonsei University) ;
  • Yoo, Jeong Ju (Broadcasting and Telecommunications Media Research Laboratory, ETRI) ;
  • Park, Kyu Ho (Department of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST))
  • Received : 2011.11.18
  • Accepted : 2012.08.22
  • Published : 2013.02.01
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Abstract

For real-time interactive multimedia operations, such as video uploading, video play, fast-forward, and fast-rewind, solid state disk (SSD)-based storage systems for video streaming servers are becoming more important. Random access rates in storage systems increase significantly with the number of users; it is thus difficult to simultaneously serve many users with HDD-based storage systems, which have low random access performance. Because there is no mechanical operation in NAND flash-based SSDs, they outperform HDDs in terms of flexible random access operation. In addition, due to the multichannel architecture of SSDs, they perform similarly to HDDs in terms of sequential access. In this paper, we propose a new SSD-based storage system for interactive media servers. Based on the proposed method, it is possible to maximize the channel utilization of the SSD's multichannel architecture. Accordingly, we can improve the performance of SSD-based storage systems for interactive media operations.

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References

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