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Erschienen in:
2013 | OriginalPaper | Buchkapitel
Operation of Cluster-Based Web System Guaranteeing Web Page Response Time
verfasst von : Krzysztof Zatwarnicki
Erschienen in: Computational Collective Intelligence. Technologies and Applications
Verlag: Springer Berlin Heidelberg
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Guaranteeing Quality of Web Services (QoWS) is now very important for development of internet services. This paper describes a MLF (Mostly Loaded First) method of HTTP requests scheduling, and distribution in a cluster-based Web system. Its application enables keeping the quality of the Web service on the required level and makes the Web service behave in a predictable way, unlike to other Web services offering unpredictable and unreliable services of the best-effort type. The proposed system keeps the page response time within established boundaries, in such a way that at a heavy workload, the page response times for both small and complex pages, would not exceed the imposed time limit. We show thought simulation experiments the operation of the MLF system and the changes of distribution strategy while the load of the system increases.