政大機構典藏-National Chengchi University Institutional Repository(NCCUR):Item 140.119/68182

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政大機構典藏 > 理學院 > 應用數學系 > 期刊論文 > Item 140.119/68182

Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/68182

Title:	Disaster Avoidance Mechanism for Content-Delivering Service
Authors:	梁直青 Liang,Chih-Chin 王嘉宏 Wang,Chia-Hung 陸行 Luh,Hsing 許秉諭 Hsu,Ping-Yu
Contributors:	應數系
Keywords:	Disaster avoidance;DRP for information systems;Fault tolerance;Content delivery
Date:	2009.01
Issue Date:	2014-08-05 16:31:37 (UTC+8)
Abstract:	Many software applications have been developed on client-server and web-based architectures, with client software installed in numerous clerks’ devices spread over the whole of Taiwan along the hierarchical organization of large-scaled service companies. The damage for a large-scaled service company would be caused by an inconsistent system, in which client software fails to receive updated content causing loss of emergency calls and possibility of recovery. Therefore, a reliable content-delivering service is needed for such a large-scaled service company to ensure system consistency whenever a disaster occurs. This study analyses the error situations of a proposed content-delivering service that has been implemented in a large-scaled company in Taiwan. Moreover, its disaster avoidance mechanism provides a reliability model with the waiting-time distribution of disconnected links. The proposed disaster avoidance mechanism prevents damage from terminating operations of a company caused by disasters, such as earthquakes, tsunamis, nuclear plant explosions or wars. Empirical results demonstrate that the proposed design run on 19 servers distributes content with less than 3.4 content-delivery failures per million hours.
Relation:	Computers & Operations Research,36(1), 27-39
Data Type:	article
DOI 連結:	http://dx.doi.org/10.1016/j.cor.2007.09.001
DOI:	10.1016/j.cor.2007.09.001
Appears in Collections:	[應用數學系] 期刊論文

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