Capacity Requirements of Video Servers in Broadcast Television Facilities

Metadata

Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: SMPTE J
Volume: 108, No. 7, pp. 477–480
Abstract: Digital video servers are rapidly being adopted in broadcast transmission facilities where new materials must be cached to these servers, usually from tape media or, possibly, from media in an archival system. To deal with the finite capacity of these servers (usually with hard disk media), old materials must be purged. In this process, materials of different time duration are handled. Increasingly, materials with different data rates are also handled because of the use of different compression standards, compression ratio, and (with the advent of digital television (DTV)) different uncompressed data rates and formats. Since the cost of video server storage is significant, understanding the time-dependent requirements of server storage capacity is important for system-level planning. A good understanding helps avoid wasteful provisioning of storage capacity without sacrificing operational flexibility. This paper presents a model that should be useful for planning or analyzing capacity requirements of video servers. Implications of the model for systems handling primarily long-form materials, such as near-video-on-demand (NVOD) applications will be examined.
Publication Date: 1999-07-01
DOI: 10.5594/J15700
ISSN: Print: 0036-1682
Link: https://doi.org/10.5594/J15700
Author(s): Ying Ki KwongTektronix, Inc., Beaverton, OR 97077
bio
Ying Ki Kwong is co-founder of Lynks Media Corp., a software development and consulting company. Prior to this venture, he spent seven years with Tektronix, Inc. There, he held various marketing and R&D positions, including manager of strategic technology partnerships, manager of applications marketing for the Profile video server, and research scientist. Kwong holds a Ph.D. in applied physics from Cornell University and performed research in low-temperature electronics and solid-state physics. He has published 15 articles in professional journals and has one patent pending in multimedia communication. He participates in SMPTE standard activities and serves on an advisory board of the Oregon Center for Advanced Technology Education.
John CvetkoTektronix, Inc., Beaverton, OR 97077
bio
John Cvetko is a product manager at Enron Communications. He is currently developing systems and services that deliver broadcast television over pure IP data networks. Cvetko was formerly with Tektronix, where he developed broadcast television systems for large networks. He spent 15 years in the communication industry developing solutions for customers.
Copyright: © 1999 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

Applications of Digital Video: Bandwidth Requirements on Shared Media Servers and Networks [Active]
Challenges in a Digital, Server-Based Broadcasting Environment [Active]
Multichannel Video Server Applications in TV Broadcasting and Post-Production [Active]
4. Hammes G. G. , “Principles of Chemical Kinetics,” Academic Press : New York , 1978 . EXTERNAL
5. Lai Y. C. Lin Y. D. Lai H. Z. , “A Hierarchical Network Storage Architecture for Video-on-Demand Services,” IEEE Trans, on Broadcasting , 43 : 145 – 154 , June 1997 . EXTERNAL
6. Pentakalos O. I. , “Analytical Performance Modeling of Hierarchical Mass Storage Systems,” IEEE Trans, on Computers , 46 : 1103 – 1118 , Oct. 1997 . EXTERNAL

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Ying Ki Kwong and John Cvetko; Capacity Requirements of Video Servers in Broadcast Television Facilities, SMPTE Journal ( Volume: 108, Issue: 7, July 1999); SMPTE, 1999. Available at https://doi.org/10.5594/J15700

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Ying Ki Kwong and John Cvetko; Capacity Requirements of Video Servers in Broadcast Television Facilities, SMPTE Journal ( Volume: 108, Issue: 7, July 1999); SMPTE, 1999. Available at https://doi.org/10.5594/J15700

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<span class="citation">Ying Ki Kwong and John Cvetko; <cite>Capacity Requirements of Video Servers in Broadcast Television Facilities</cite>, SMPTE Journal ( Volume: 108, Issue: 7, July 1999); SMPTE, 1999. Available at <a href="https://doi.org/10.5594/J15700" target="_blank" rel="noopener">https://doi.org/10.5594/J15700</a></span>

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Ying Ki Kwong and John Cvetko; Capacity Requirements of Video Servers in Broadcast Television Facilities, SMPTE Journal ( Volume: 108, Issue: 7, July 1999); SMPTE, 1999
doi: 10.5594/J15700
url: https://doi.org/10.5594/J15700

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Ying Ki Kwong and John Cvetko; <cite id="bib-10-5594-j15700">Capacity Requirements of Video Servers in Broadcast Television Facilities</cite>, SMPTE Journal ( Volume: 108, Issue: 7, July 1999); SMPTE, 1999
<span class="doi">10.5594/J15700</span>
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