Service Oriented Architectures (SOAs) are being increasingly used to support business-critical systems, raising natural concerns regarding dependability and security attributes. In critical applications, Verification and Validation (V&V) practices are used during system development to achieve the desired level of quality. However, most V&V techniques suit a structured and documented development lifecycle, and assume that the system does not evolve after deployment, contrarily to what happens with SOA. Runtime V&V practices represent one possible solution for this problem, but they are not possible to implement without the adjustment of traditional V&V techniques.
This paper studies the adaptation of Failure Mode and Effects Analysis (FMEA) to SOA environments. A preliminary technique named FMEA4SOA is proposed and a case study is used to illustrate its usage. This process raises many challenges that must be overcome for the FMEA4SOA to become usable and effective V&V in SOA environments. The paper discusses these challenges while proposing a research roadmap.
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