Modeling and performance analysis of QoS-aware load balancing of Web-server clusters

This paper introduces mechanisms to correlate contents and priorities of incoming HTTP requests used for server process scheduling with the load balancing policies for Web-server clusters. This approach enables both load balancing and Web quality of service (QoS). Another contribution is a modeling...

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Published inComputer networks (Amsterdam, Netherlands : 1999) Vol. 40; no. 2; pp. 235 - 256
Main Authors Shan, Zhiguang, Lin, Chuang, Marinescu, Dan C., Yang, Yang
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 07.10.2002
Elsevier Sequoia S.A
Subjects
Communications networks
Internet
Load balancing
Performance analysis
Quality of service
Servers
Stochastic high-level Petri net
Stochastic models
Studies
Web quality of service
Web-server cluster
World Wide Web
Stochastic high-level Petri net
Web quality of service
Web-server cluster
Performance analysis
Load balancing
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Summary:This paper introduces mechanisms to correlate contents and priorities of incoming HTTP requests used for server process scheduling with the load balancing policies for Web-server clusters. This approach enables both load balancing and Web quality of service (QoS). Another contribution is a modeling and analysis technique based on stochastic high-level Petri net methods for QoS-aware load balancing. We propose an approximate analysis technique to reduce the complexity of the model.
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ISSN:1389-1286
1872-7069
DOI:10.1016/S1389-1286(02)00253-0