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Issue No.03 - May/June (2006 vol.10)
pp: 32-42
Simona Bernardi , Universit? di Torino, Italy
Jos? Merseguer , Universidad de Zaragoza, Spain
ABSTRACT
Using a stochastic modeling approach based on the Unified Modeling Language and enriched with annotations that conform to the UML profile for schedulability, performance, and time, the authors propose a method for assessing quality of service (QoS) in fault-tolerant (FT) distributed systems. From the UML system specification, they produce a generalized stochastic Petri net (GSPN) performancemodel for assessing an FT application's QoS via stochastic analysis. The ArgoSPE tool provides support for the proposed technique, helping to automatically produce the GSPN model.
INDEX TERMS
Performance measures, State diagrams, design tools and techniques, UML, stochastic models, QoS, quality of service, fault tolerance
CITATION
Simona Bernardi, Jos? Merseguer, "QoS Assessment via Stochastic Analysis", IEEE Internet Computing, vol.10, no. 3, pp. 32-42, May/June 2006, doi:10.1109/MIC.2006.63
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