ReqIF is a very powerful file format – almost too powerful: Interoperability between the various ReqIF implementations is problematic, as not all tools support all features of ReqIF. To address this, Prostep iViP, a non-profit, organized an implementor forum to address this. The result is an implementation guide. It provides pragmatic recommendations on how to design a ReqIF-compatible tool. None of the recommendations break the standard. However, honoring the standard will drastically improve interoperability. This paper outlines the topics covered in the Implementation Guide.

Consequent, the free ReqIF validator, also checks compliance with the Implementation Guide. As the recommendations are not mandatory, violations are reported as warnings, rather than as errors.

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