Abstract
Resilience is one of the most essential quality properties of software systems, the resilience of software architectures plays an important role in the security of a software system. However, even though there are some methods have been proposed for evaluating the resilience of software architecture in the past few years, most of them are validated only by case studies with some specific application scenarios. We do not find a work which has provided a wide empirical verification and comparison of these different methods. To fill this gap, we explore and compare five typical software architecture resilience evaluation methods by experiments in this paper, and try to find which methods are better in which aspects. We have obtained the following findings: first, the five methods studied in this paper are effective and consistent in the trend of resilience change; secondly, the change of architecture resilience is actually related to the specific attributes and component relationships in the architecture; finally, systems designed in an object-oriented style are generally more resilient than most other design styles studied.
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