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Title: | Testing the robustness of controllers for self-adaptive systems | Authors: | Cámara, Javier Lemos, Rogério de Laranjeiro, Nuno Ventura, Rafael Vieira, Marco |
Keywords: | Robustness testing; Controller; Self-adaptive system; Autonomic system | Issue Date: | 2014 | Publisher: | Springer Nature | Project: | FCT project CMU-PT/ELE/0030/2009 FEDER via the ‘Programa Operacional Factores de Competitividade’ of QREN with COMPETE reference: FCOMP-01-0124-FEDER-012983. |
Serial title, monograph or event: | Journal of the Brazilian Computer Society | Volume: | 20 | Issue: | 1 | Abstract: | Self-adaptive systems are software-intensive systems endowed with the ability to respond to a variety of changes that may occur in their environment, goals, or the system itself by adapting their structure and behaviour at run-time in an autonomous way. Controllers are complex components incorporated in self-adaptive systems, which are crucial to their function since they are in charge of adapting the target system by executing actions through effectors, based on information monitored by probes. However, although controllers are becoming critical in many application domains, so far very little has been done to assess their robustness. In this paper, we propose an approach for evaluating the robustness of controllers for self-adaptive software systems, aiming to identify faults in their design. Our proposal considers the stateful nature of the controller and identifies a set of robustness tests, which includes the provision of mutated inputs to the interfaces between the controller and the target system (i.e. probes). The feasibility of the approach is evaluated on Rainbow, a framework for architecture-based self-adaptation, and in the context of the Znn.com case study. | URI: | https://hdl.handle.net/10316/109502 | ISSN: | 0104-6500 1678-4804 |
DOI: | 10.1186/1678-4804-20-1 | Rights: | openAccess |
Appears in Collections: | I&D CISUC - Artigos em Revistas Internacionais |
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