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QoS assessment via stochastic analysis

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2 Author(s)
Bernardi, S. ; Torino Univ. ; Merseguer, J.

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) performance model 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

Published in:

Internet Computing, IEEE  (Volume:10 ,  Issue: 3 )