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  • 學位論文

網頁伺服器負載平衡架構效能之比較

Performance Comparison of Web Server Load Balancing Frameworks

指導教授 : 包蒼龍
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摘要


網路服務提供者,如搜尋引擎、入口網站、購物網站甚至校園選課系統、數位學習系統,最常面臨的是大量的用戶端連線造成前端伺服器或後端儲存資料的資料庫無法負荷。對於系統管理者的挑戰,是如何使網路服務能夠快速回應、系統保持穩定,甚至於系統可以彈性擴充、具有容錯性等。目前解決大量連線問題方式大都是以負載平衡架構來處理。雖然目前有許多開放原始碼可以用來架設負載平衡架構,但並非適用於各種網路服務,而且通常還會有一些不足和限制。本研究將針對線上數位學習系統採用現有不同的負載平衡架構之效能進行評估。所探討的負載平衡架構包括開放原始碼的HAProxy、L4-L7負載平衡設備以及HTTP Redirect等架構。希望藉由三種架構的效能比較,評估線上數位學習系統使用何種架構來服務較為適合。

並列摘要


The most common problem faced by the Internet web service provider is to resolve the congestion problem caused by the large number of on-line users at a very short time interval. For a system administrator, the most often encountered problem is how to make web services respond quickly and provide better quality of services for the users. The load balancing architecture has been proposed and used to overcome this issue. Although there are many open source solutions that can be used to build a load balancing architecture, these solutions may not be suitable to various Internet services, and may have a number of deficiencies and limitations. In this thesis, we will evaluate the existing structure of the load balancing architecture, including the open source HAProxy, Layer 4-Layer 7 load balancing equipment, and HTTP redirect structure, to see how they perform in the e-learning system. By comparing the results of these three frameworks, we can conclude that the HTTP redirect is best for the e-learning system.

並列關鍵字

web server load balance

參考文獻


[1] 包蒼龍、池至欽、陳建伯、李明龍,"突波式需求之網頁伺服器負載平衡架構" TANET 2004,pp. 280-285, 2004年10月。
[2] 吳宜興,"動態網頁伺服器彈性負載平衡架構之研究",大同大學資訊工程研究所碩士論文,2005。
[14] Jiani Guo and Laxmi N. Bhuyan, “Load Balancing in a Cluster-Based Web Server for Multimedia Applications,” IEEE Trans. Parallel and Distributed Systems, vol. 17, no. 11, pp. 1321-1334, November 2006.
[21] W. H. Cheng, ”Design and Implementation of Web Switch, Master thesis, ” Department of Electrical Engineering, National Cheng Kung University 2005.
[3] 阮東憲,"叢集網路檔案服務系統之設計與分析",南台科技大學資訊管理研究所研究所碩士論文,2006。

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吳豐名(2016)。基於OpenStack動態負載平衡機制設計與實作〔碩士論文,國立臺中科技大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0061-1708201618253400

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