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Implementation of the Storage Manager for an IPTV Set-Top Box.

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Title: Implementation of the Storage Manager for an IPTV Set-Top Box.
Authors: Taeseok Kim1 tskim@kw.ac.kr, Hyokyung Bahn2 bahn@ewha.ac.kr
Source: IEEE Transactions on Consumer Electronics. Nov2008, Vol. 54 Issue 4, p1770-1775. 6p. 2 Black and White Photographs, 1 Chart, 9 Graphs.
Subjects: Television broadcasting, POSIX (Computer software standard), Computer operating systems, Systems software, Computer software
Abstract: An JPTV set-top box provides a variety of interesting services such as VOD (Video On Demand), PVR (Personal Video Recorder), game, TV shopping as well as live TV broadcast. In order to support various interactive services of IPTV, more elaborate software should be equipped within the set-top box, In this paper, we present the implementation of a storage manager used in the IPTV set-top box. Like general purpose computer systems, softwares within the set-top box form a layered architecture which consists of a set of applications, an operating system, and device drivers. Each software component has its own functions, and communicates with other components through well- defined interfaces. However, the fixed interfaces often become a barrier in delivering some important information to other layers. For example, because of the POSIX interface defined a long time ago, media players with soft real-time requirements cannot deliver the Q0S information to the operating system efficiently. To address this problem, we propose a new approach that provides the Q0S services by using only the file attributes without modifying the existing interfaces. We implemented our prototype system Daphne on the Linux operating system. Through the experiments by measurements, we show that the proposed approach is effective in guaranteeing the Q0S. [ABSTRACT FROM AUTHOR]
Copyright of IEEE Transactions on Consumer Electronics is the property of IEEE and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 36345378
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Implementation of the Storage Manager for an IPTV Set-Top Box.
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  Data: <searchLink fieldCode="AR" term="%22Taeseok+Kim%22">Taeseok Kim</searchLink><relatesTo>1</relatesTo><i> tskim@kw.ac.kr</i><br /><searchLink fieldCode="AR" term="%22Hyokyung+Bahn%22">Hyokyung Bahn</searchLink><relatesTo>2</relatesTo><i> bahn@ewha.ac.kr</i>
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  Data: <searchLink fieldCode="JN" term="%22IEEE+Transactions+on+Consumer+Electronics%22">IEEE Transactions on Consumer Electronics</searchLink>. Nov2008, Vol. 54 Issue 4, p1770-1775. 6p. 2 Black and White Photographs, 1 Chart, 9 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Television+broadcasting%22">Television broadcasting</searchLink><br /><searchLink fieldCode="DE" term="%22POSIX+%28Computer+software+standard%29%22">POSIX (Computer software standard)</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+operating+systems%22">Computer operating systems</searchLink><br /><searchLink fieldCode="DE" term="%22Systems+software%22">Systems software</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+software%22">Computer software</searchLink>
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  Data: An JPTV set-top box provides a variety of interesting services such as VOD (Video On Demand), PVR (Personal Video Recorder), game, TV shopping as well as live TV broadcast. In order to support various interactive services of IPTV, more elaborate software should be equipped within the set-top box, In this paper, we present the implementation of a storage manager used in the IPTV set-top box. Like general purpose computer systems, softwares within the set-top box form a layered architecture which consists of a set of applications, an operating system, and device drivers. Each software component has its own functions, and communicates with other components through well- defined interfaces. However, the fixed interfaces often become a barrier in delivering some important information to other layers. For example, because of the POSIX interface defined a long time ago, media players with soft real-time requirements cannot deliver the Q0S information to the operating system efficiently. To address this problem, we propose a new approach that provides the Q0S services by using only the file attributes without modifying the existing interfaces. We implemented our prototype system Daphne on the Linux operating system. Through the experiments by measurements, we show that the proposed approach is effective in guaranteeing the Q0S. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of IEEE Transactions on Consumer Electronics is the property of IEEE and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1109/TCE.2008.4711233
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      – Code: eng
        Text: English
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      – SubjectFull: Television broadcasting
        Type: general
      – SubjectFull: POSIX (Computer software standard)
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      – SubjectFull: Computer operating systems
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      – SubjectFull: Computer software
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              Text: Nov2008
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              Y: 2008
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