Queueing networks and Markov chains: modeling and performance evaluation with computer science applications
QPN-Tool for the Specification ans Analysis of Hierarchically Combined Queueing Petri Nets
MMB '95 Proceedings of the 8th International Conference on Modelling Techniques and Tools for Computer Performance Evaluation: Quantitative Evaluation of Computing and Communication Systems
Analytic modeling and measurement methodology for multi-tier client-server systems
Analytic modeling and measurement methodology for multi-tier client-server systems
Proceedings of the 35th conference on Winter simulation: driving innovation
Characterizing Secure Dynamic Web Applications Scalability
IPDPS '05 Proceedings of the 19th IEEE International Parallel and Distributed Processing Symposium (IPDPS'05) - Papers - Volume 01
An analytical model for multi-tier internet services and its applications
SIGMETRICS '05 Proceedings of the 2005 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
Session-Based Adaptive Overload Control for Secure Dynamic Web Applications
ICPP '05 Proceedings of the 2005 International Conference on Parallel Processing
A simulation model of a multi-server EJB system
A-MOST '05 Proceedings of the 1st international workshop on Advances in model-based testing
Performance modeling and prediction of enterprise JavaBeans with layered queuing network templates
SAVCBS '05 Proceedings of the 2005 conference on Specification and verification of component-based systems
Performance modelling of distributed e-business applications using Queuing Petri Nets
ISPASS '03 Proceedings of the 2003 IEEE International Symposium on Performance Analysis of Systems and Software
Complete instrumentation requirements for performance analysis of Web based technologies
ISPASS '03 Proceedings of the 2003 IEEE International Symposium on Performance Analysis of Systems and Software
Performance modeling and system management for multi-component online services
NSDI'05 Proceedings of the 2nd conference on Symposium on Networked Systems Design & Implementation - Volume 2
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Using simulations of a complex system such as a Web Application Server provides us with a tool that allows the running of tests without using the resources needed in a real system; thus enabling a "what-if" analysis platform that gives support in the decisions taking process. This paper goes through the methodology and the construction of this light and fast simulation, showing the points to take care of and that have made this approach successful. Our evaluation shows some of the results obtained with simulations, compares them with the real system and provides new information to investigate hypotheses; as for instance the effect of modifying the backlog queue component on overloaded systems, to increase the number of sessions finished. We have used several results from research on the effect of admission control over SSL connections to verify our simulated approach.