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A Fuzzy Technique-based Web Server Performance Improvement Using a Load Balancing Mechanism  

Park, Bum-Joo (아주대학교 정보통신전문대학원)
Park, Kie-Jin (아주대학교 산업정보시스템공학부)
Kang, Myeong-Koo (TmaxSoft R&D 센터 SoA실)
Kim, Sung-Soo (아주대학교 정보통신전문대학원)
Publication Information
Journal of KIISE:Computer Systems and Theory / v.35, no.3, 2008 , pp. 111-119 More about this Journal
Abstract
This paper combines fuzzy concepts with an existing dynamic performance isolation technique in order to improve the response time performance of a Web server supporting differentiated services. A load balancing mechanism based on the fuzzy control technique is developed in such a way that ambiguous situations caused by workload estimation of cluster-based Web servers, client request rates, and dynamic request rates can be represented in an effective way. In addition, we verify that the fuzzy-based performance isolation technique improves the performance and robustness of differentiated service systems efficiently through comparing 95-percentile of response time between the fuzzy-based Performance isolation technique and the existing one, which do not use the fuzzy concept.
Keywords
Differentiated Services; Performance Isolation; Fuzzy Control Technique;
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