Design patterns: elements of reusable object-oriented software
Design patterns: elements of reusable object-oriented software
Fault-tolerant computer system design
Fault-tolerant computer system design
Architectural style requirements for self-healing systems
WOSS '02 Proceedings of the first workshop on Self-healing systems
Scenario-Based Analysis of Software Architecture
IEEE Software
The Vision of Autonomic Computing
Computer
Attribute-Based Architecture Styles
WICSA1 Proceedings of the TC2 First Working IFIP Conference on Software Architecture (WICSA1)
Quality Models to Design Software Architectures
TOOLS '01 Proceedings of the Technology of Object-Oriented Languages and Systems
The reverse engineering notebook
The reverse engineering notebook
The dawning of the autonomic computing era
IBM Systems Journal
Architecture differencing for self management
WOSS '04 Proceedings of the 1st ACM SIGSOFT workshop on Self-managed systems
Autonomic computing: emerging trends and open problems
DEAS '05 Proceedings of the 2005 workshop on Design and evolution of autonomic application software
Evaluating the adaptivity of computing systems
Performance Evaluation
Supporting adaptation of decentralized software based on application scenarios
Journal of Systems and Software
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Autonomic computing has become more prevalent and hence its evaluation is becoming more important. This paper addresses the issue of evaluating the software architecture of self-healing applications with respect to the changes and adaptation over long periods of time. To facilitate this evaluation, we developed an analysis and reasoning framework for the architecture of self-healing systems. The framework is based on attribute-based architectural styles (ABASs) and is tailored to selected quality attributes. When an autonomic system evolves, our framework can be used to re-analyze the system and verify certain quality attributes. The explicitly available relationship between architecture and quality attributes not only helps in documenting the current architecture design, but also allows developers to reuse the architectural analysis during long-term evolution when the original system designers are long gone. Hence, the proposed framework can facilitate both design and maintenance of self-healing systems. As a first step in the analysis, we identify key quality attributes for self-healing systems. We have also defined new autonomic specific quality attributes for self-healing systems. Further, we have customized the ISO 9126 quality model to the quality requirements of self-healing systems, considering both traditional attributes as well as newly defined autonomic-specific attributes.