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A cost-effective resource allocation and management scheme for content networks supporting IPTV services

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Title: A cost-effective resource allocation and management scheme for content networks supporting IPTV services
Authors: Li, Mingfu mfli@mail.cgu.edu.tw, Wu, Chun-Huei1
Source: Computer Communications. Jan2010, Vol. 33 Issue 1, p83-91. 9p.
Subjects: Computer network resources -- Management, Resource allocation, Internet Protocol multimedia subsystem, Digital television, Bandwidths, Numerical analysis
Abstract: Abstract: This study presents a cost-effective resource allocation approach, which takes the storage and bandwidth costs into consideration, for the proposed content network. The designed content network for supporting IPTV services is composed of several peer service areas, and all video servers are classified into two types – Type 1 and Type 2. Type 1 video servers only store the contents with high hit rates, while Type 2 video servers store other contents with lower hit rates. A novel scheme that allocates contents and video servers based on the hit rate distribution is proposed. The allocation strategy aims at minimizing the cost of the proposed content network. Numerical results show that the optimal resource allocation is strongly related to the hit rate distribution of contents, but is not sensitive to the content size distribution. Additionally, compared with the fully replicated storage method, the proposed allocation scheme can save a considerable percentage of storage space and reduce the total cost of the content network. Based on these findings, we believe that implementing the proposed resource allocation and management scheme will be of benefit to content network operators, especially to infrastructure-based IPTV operators, for reducing the operating expenses. [Copyright &y& Elsevier]
Copyright of Computer Communications is the property of Elsevier B.V. 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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DbLabel: Engineering Source
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PubType: Academic Journal
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  Data: A cost-effective resource allocation and management scheme for content networks supporting IPTV services
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  Data: <searchLink fieldCode="AR" term="%22Li%2C+Mingfu%22">Li, Mingfu</searchLink><i> mfli@mail.cgu.edu.tw</i><br /><searchLink fieldCode="AR" term="%22Wu%2C+Chun-Huei%22">Wu, Chun-Huei</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Computer+Communications%22">Computer Communications</searchLink>. Jan2010, Vol. 33 Issue 1, p83-91. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Computer+network+resources+--+Management%22">Computer network resources -- Management</searchLink><br /><searchLink fieldCode="DE" term="%22Resource+allocation%22">Resource allocation</searchLink><br /><searchLink fieldCode="DE" term="%22Internet+Protocol+multimedia+subsystem%22">Internet Protocol multimedia subsystem</searchLink><br /><searchLink fieldCode="DE" term="%22Digital+television%22">Digital television</searchLink><br /><searchLink fieldCode="DE" term="%22Bandwidths%22">Bandwidths</searchLink><br /><searchLink fieldCode="DE" term="%22Numerical+analysis%22">Numerical analysis</searchLink>
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  Data: Abstract: This study presents a cost-effective resource allocation approach, which takes the storage and bandwidth costs into consideration, for the proposed content network. The designed content network for supporting IPTV services is composed of several peer service areas, and all video servers are classified into two types – Type 1 and Type 2. Type 1 video servers only store the contents with high hit rates, while Type 2 video servers store other contents with lower hit rates. A novel scheme that allocates contents and video servers based on the hit rate distribution is proposed. The allocation strategy aims at minimizing the cost of the proposed content network. Numerical results show that the optimal resource allocation is strongly related to the hit rate distribution of contents, but is not sensitive to the content size distribution. Additionally, compared with the fully replicated storage method, the proposed allocation scheme can save a considerable percentage of storage space and reduce the total cost of the content network. Based on these findings, we believe that implementing the proposed resource allocation and management scheme will be of benefit to content network operators, especially to infrastructure-based IPTV operators, for reducing the operating expenses. [Copyright &y& Elsevier]
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  Data: <i>Copyright of Computer Communications is the property of Elsevier B.V. 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: 10.1016/j.comcom.2009.08.003
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      – Code: eng
        Text: English
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      – SubjectFull: Resource allocation
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      – SubjectFull: Internet Protocol multimedia subsystem
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      – SubjectFull: Digital television
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      – SubjectFull: Bandwidths
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      – SubjectFull: Numerical analysis
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              Text: Jan2010
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