REFAS: A PLE Approach for Simulation of Self-Adaptive Systems Requirements

Juan C Muñoz-Fernández; Gabriel Tamura; Irina Raicu; Raúl Mazo; Camille Salinesi

REFAS: A PLE Approach for Simulation of Self-Adaptive Systems Requirements

Juan C Muñoz-Fernández ^{1, 2} Gabriel Tamura ² Irina Raicu ^{1, 3} Raúl Mazo ¹ Camille Salinesi ¹

1 CRI - Centre de Recherche en Informatique de Paris 1

2 Department of Information and Communications Technologies

3 Bucharest University of Economic Studies

Abstract : Model simulation has demonstrated its usefulness in evaluation and decision-making for improving preliminary versions of artefacts before production. Particularly, one of the main goals of simulation is to verify model properties based on data collected from its execution. In this paper, we present the simulation capabilities of our REFAS framework for specifying requirements models for dynamic software products lines and self-adaptive systems. The simulation is controlled by a feedback loop and a reasoning engine that operates on the functional and non-functional requirements. The paper contribution is threefold. First, REFAS allows developers to evaluate and improve requirements models through their simulation capabilities. Second, REFAS provides rich feedback in its interactive simulations for the human modeller to make informed decisions to improve her model. Third, REFAS automates the generation of simulation scenarios required to verify the model adequacy and correctness. We evaluate our contribution by comparing the application of REFAS to a case study used in other approaches.

Keywords : Requirements engineering dynamic software product lines dynamic adaptation simulation MAPE-K loops

Document type :

Conference papers

Domain :

Computer Science [cs] / Modeling and Simulation

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https://hal-paris1.archives-ouvertes.fr/hal-01185791
Contributor : Juan Carlos Muñoz Fernández <>
Submitted on : Friday, August 21, 2015 - 3:15:59 PM
Last modification on : Monday, March 21, 2016 - 5:43:32 PM
Long-term archiving on : Wednesday, April 26, 2017 - 10:11:42 AM

REFAS paper SPLCv27.pdf

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