FARAD: A Storage System for Random Real-Time Data

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Publisher: SMPTE — White Plains, NY
Doc Type: Conference Paper
Content Type: Original Research
Volume: 1996, No. 14, pp. 46–47
Abstract: Many multimedia applications demand real-time and high throughput data retrieval from a storage subsystem. Very often, the access pattern of such retrieval has random nature. This is due to realtime playback of video clips that are physically separated on the disk platter (non-linear editing), or due to serving many independent clients simultaneously (video on demand). Hence, minimizing the overhead incurred by random access is very important for multimedia applications. Moreover, the storage subsystem must response in real-time to such random disk access requests for failure to do so will cause uncomfortable noise on played images and sound. We have developed a collection of technologies for multimedia storage systems, called FARAD. This paper focuses on the most important part of the technologies: a new disk management algorithm that minimizes the random access overhead. While existing algorithms treat the rotational delay as uncontrollable, the FARAD controls both seek and rotational delay by proper scheduling and data placement so as to reduce overhead under random data access environment.
Publication Date: 1996-02-01
DOI: 10.5594/M00460
Link: https://doi.org/10.5594/M00460
Author(s): Takashi TotsukaResearch Center, SONY Corp.
Yasunobu KatoResearch Center, SONY Corp.
Copyright: © 1996 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

[1] Gemmell J. Vin H.M. , “Multimedia Storage Servers: A Tutorial” , IEEE Computer , Vol. 28 , No. 5 , pp. 40 – 49 , 1995 . EXTERNAL

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Takashi Totsuka and Yasunobu Kato; FARAD: A Storage System for Random Real-Time Data, SMPTE Meetings and Conferences ( February 1996); SMPTE, 1996. Available at https://doi.org/10.5594/M00460

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Takashi Totsuka and Yasunobu Kato; FARAD: A Storage System for Random Real-Time Data, SMPTE Meetings and Conferences ( February 1996); SMPTE, 1996. Available at https://doi.org/10.5594/M00460

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Takashi Totsuka and Yasunobu Kato; FARAD: A Storage System for Random Real-Time Data, SMPTE Meetings and Conferences ( February 1996); SMPTE, 1996. Available at https://doi.org/10.5594/M00460

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<span class="citation">Takashi Totsuka and Yasunobu Kato; <cite>FARAD: A Storage System for Random Real-Time Data</cite>, SMPTE Meetings and Conferences ( February 1996); SMPTE, 1996. Available at <a href="https://doi.org/10.5594/M00460" target="_blank" rel="noopener">https://doi.org/10.5594/M00460</a></span>

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Takashi Totsuka and Yasunobu Kato; FARAD: A Storage System for Random Real-Time Data, SMPTE Meetings and Conferences ( February 1996); SMPTE, 1996
doi: 10.5594/M00460
url: https://doi.org/10.5594/M00460

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<li>
Takashi Totsuka and Yasunobu Kato; <cite id="bib-10-5594-m00460">FARAD: A Storage System for Random Real-Time Data</cite>, SMPTE Meetings and Conferences ( February 1996); SMPTE, 1996
<span class="doi">10.5594/M00460</span>
</li>