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Issue No. 05 - September/October (2010 vol. 36)
ISSN: 0098-5589
pp: 704-718
Paul Emberson , University of York, York
Iain Bate , University of York, York
One of the most important properties of a good software engineering process and of the design of the software it produces is robustness to changing requirements. Scenario-based analysis is a popular method for improving the flexibility of software architectures. This paper demonstrates a search-based technique for automating scenario-based analysis in the software architecture deployment view. Specifically, a novel parallel simulated annealing search algorithm is applied to the real-time task allocation problem to find baseline solutions which require a minimal number of changes in order to meet the requirements of potential upgrade scenarios. Another simulated annealing-based search is used for finding a solution that is similar to an existing baseline when new requirements arise. Solutions generated using a variety of scenarios are judged by how well they respond to different system requirements changes. The evaluation is performed on a set of problems with a controlled set of different characteristics.
Maintainability, extensibility, heuristics, search, scheduling, scenarios.

I. Bate and P. Emberson, "Stressing Search with Scenarios for Flexible Solutions to Real-Time Task Allocation Problems," in IEEE Transactions on Software Engineering, vol. 36, no. , pp. 704-718, 2009.
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