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題名 Optimal Services for Content Delivery based on Business Priority
作者 陸行
Luh,Hsing
Liang, Chih-Chin
貢獻者 應數系
關鍵詞 content delivery;resource reservation;optimization
日期 2013
上傳時間 26-Dec-2013 10:04:52 (UTC+8)
摘要 In a content-delivery system, connections are viewed as resources for sending files. However, the growing business needs of large-scale networks require an effective content-delivery service for transferring files. Since connections are sparse resources, prioritizing connections is essential for efficiently delivering urgent files and regular files based on various business priorities. This study presents a loss function as a performance index for a content-delivery service. The proposed loss function was applied to a sample content-delivery system to derive the average number of regular files in the retry group, the probability of failure to transfer a regular file in the first attempt, and the probability of failure to transmit urgent files. Additionally, the loss was associated with the decreased number of reserve connections under regular hours and peak hours. The experimental results show that the proposed model finds the optimal number of reserve connections for sending high- and low-priority files, and a manager can increase the service rate to ensure that losses are tolerable when delivering urgent files. Finally, the relative probabilities of blocked urgent files and blocked regular files are used as an indicator of efficiency in reserving connections.
關聯 Journal of the Chinese Institute of Engineers,36(4),422-440
資料類型 article
DOI http://dx.doi.org/10.1080/02533839.2012.731885
dc.contributor 應數系en_US
dc.creator (作者) 陸行zh_TW
dc.creator (作者) Luh,Hsingen_US
dc.creator (作者) Liang, Chih-Chinen_US
dc.date (日期) 2013en_US
dc.date.accessioned 26-Dec-2013 10:04:52 (UTC+8)-
dc.date.available 26-Dec-2013 10:04:52 (UTC+8)-
dc.date.issued (上傳時間) 26-Dec-2013 10:04:52 (UTC+8)-
dc.identifier.uri (URI) http://nccur.lib.nccu.edu.tw/handle/140.119/63001-
dc.description.abstract (摘要) In a content-delivery system, connections are viewed as resources for sending files. However, the growing business needs of large-scale networks require an effective content-delivery service for transferring files. Since connections are sparse resources, prioritizing connections is essential for efficiently delivering urgent files and regular files based on various business priorities. This study presents a loss function as a performance index for a content-delivery service. The proposed loss function was applied to a sample content-delivery system to derive the average number of regular files in the retry group, the probability of failure to transfer a regular file in the first attempt, and the probability of failure to transmit urgent files. Additionally, the loss was associated with the decreased number of reserve connections under regular hours and peak hours. The experimental results show that the proposed model finds the optimal number of reserve connections for sending high- and low-priority files, and a manager can increase the service rate to ensure that losses are tolerable when delivering urgent files. Finally, the relative probabilities of blocked urgent files and blocked regular files are used as an indicator of efficiency in reserving connections.-
dc.format.extent 127 bytes-
dc.format.mimetype text/html-
dc.language.iso en_US-
dc.relation (關聯) Journal of the Chinese Institute of Engineers,36(4),422-440en_US
dc.subject (關鍵詞) content delivery;resource reservation;optimization-
dc.title (題名) Optimal Services for Content Delivery based on Business Priorityen_US
dc.type (資料類型) articleen
dc.identifier.doi (DOI) 10.1080/02533839.2012.731885en_US
dc.doi.uri (DOI) http://dx.doi.org/10.1080/02533839.2012.731885en_US