The B-book: assigning programs to meanings
The B-book: assigning programs to meanings
Stepwise Refinement of Action Systems
Proceedings of the International Conference on Mathematics of Program Construction, 375th Anniversary of the Groningen University
Eclipse Modeling Framework
Basic Concepts and Taxonomy of Dependable and Secure Computing
IEEE Transactions on Dependable and Secure Computing
Fault Tolerance in a Layered Architecture: A General Specification Pattern in B
SEFM '04 Proceedings of the Software Engineering and Formal Methods, Second International Conference
The Epsilon Transformation Language
ICMT '08 Proceedings of the 1st international conference on Theory and Practice of Model Transformations
Refinement Patterns for Fault Tolerant Systems
EDCC-7 '08 Proceedings of the 2008 Seventh European Dependable Computing Conference
Formal methods: Practice and experience
ACM Computing Surveys (CSUR)
Structuring Specifications with Modes
LADC '09 Proceedings of the 2009 Fourth Latin-American Symposium on Dependable Computing
Event-B Patterns and Their Tool Support
SEFM '09 Proceedings of the 2009 Seventh IEEE International Conference on Software Engineering and Formal Methods
FM '09 Proceedings of the 2nd World Congress on Formal Methods
Modal Systems: Specification, Refinement and Realisation
ICFEM '09 Proceedings of the 11th International Conference on Formal Engineering Methods: Formal Methods and Software Engineering
Verifying mode consistency for on-board satellite software
SAFECOMP'10 Proceedings of the 29th international conference on Computer safety, reliability, and security
Developing mode-rich satellite software by refinement in event B
FMICS'10 Proceedings of the 15th international conference on Formal methods for industrial critical systems
Developing mode-rich satellite software by refinement in Event-B
Science of Computer Programming
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Complex modern applications have to be developed to be dependable to meet their requirements and expectations of their users. An important part of this is their ability to deal with various threats (such as faults in the system environment, operator's mistakes, underlying hardware and software support problems). Development of modern applications is complicated by the need for systematic and rigorous integration of fault tolerance measures. The paper focuses on reuse of fault tolerance modelling. First, it introduces the idea of general modelling templates reflecting abstract views on system behaviour with respect to faults. These templates are used during system detalisation (refinement) to capture the user's view on system external behaviour. Secondly, it proposes to use a library of concrete modelling patterns allowing developers to systematically integrate specific fault tolerance mechanisms (e.g. recovery blocks, checkpoints, exception handling) into the models. The proposed solutions are linked to the Event-B method and demonstrated using a case study.