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Optimizing monitoring requirements in self-adaptive systems
Date
2012
Abstract
Monitoring the system environment is a key functionality of a self- adaptive system. Monitoring requirements denote the information a self-adaptive system has to capture at runtime to decide upon whether an adaptation action has to be taken. The identification of monitoring requirements is a complex task which can easily lead to redundancy and uselessness in the set of information to be monitored and this, consequently, means unjustified instalment of monitoring infrastructure and extra processing time. In this paper, we study the optimiza- tion of monitoring requirements. We discuss the case of contextual goal model, which is a requirements model that weaves between variability of goals (func- tional and non-functional requirements) and variability of context (monitoring requirements) and is meant to be used for modelling mobile and self-adaptive sys- tems requirements.We provide automated analysis —based on a SAT-solver—to process a contextual goal model and find a reduced set of contextual information monitor guaranteeing that this reduction does not sacrifice the system ability of taking correct adaptation decisions when fulfilling its requirements.
Supervisor
Description
peer-reviewed
Publisher
Citation
The 17th International Conference on Exploring Modeling Methods in Systems Analysis and Design (EMMSAD'12);
Files
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2012_Ali.pdf
Adobe PDF, 199.83 KB
ULRR Identifiers
Funding code
Funding Information
European Research Council (ERC), Science Foundation Ireland (SFI), Provincia Autonoma di Trento and the European Community's FP7/2007-2013