Basic Concepts and Taxonomy of Dependable and Secure Computing
IEEE Transactions on Dependable and Secure Computing
Service-Oriented Architecture: Concepts, Technology, and Design
Service-Oriented Architecture: Concepts, Technology, and Design
A Middleware for Replicated Web Services
ICWS '05 Proceedings of the IEEE International Conference on Web Services
Journal of Systems Architecture: the EUROMICRO Journal
Designing Fault Tolerant Web Services Using BPEL
ICIS '08 Proceedings of the Seventh IEEE/ACIS International Conference on Computer and Information Science (icis 2008)
F(I)MEA-technique of web services analysis and dependability ensuring
Rigorous Development of Complex Fault-Tolerant Systems
A systematic review of design diversity-based solutions for fault-tolerant SOAs
Proceedings of the 17th International Conference on Evaluation and Assessment in Software Engineering
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As the use of web services is growing, there is an increasing demand for dependability. In this paper we intend to introduce various offered solutions for dependable web services. The existing solutions are divided into two categories: fault tolerance techniques, such as active and passive replications, and the use of design diversity. The main contribution of this paper is the use of design diversity techniques and WS-BPEL, which would result in proposing a useful and flexible architecture for dependable web services. The proposed architecture has been used as the basis of a design pattern for dependable web services, called D3WS. We have implemented the proposed architecture in a prototype application using N-version programming (NVP). We have also modeled the architecture using stochastic reward nets (SRNs) for further evaluation of dependability measures.