ToGaf is an EnterpriseArchitecture framework that steps away from the traditional Zachmann/CMMI/FEAF classification frameworks by defining architecture as an iterative process, rather than a hierarchy of categories. TogaFit (ToGaf via Integrated Testing) adapts ToGaf to agile development by emphasizing TDD in every phase. 

http://www.opengroup.org/architecture/togaf8-doc/arch/Figures/req_mgt.gif

Crucially, TogaFit implements the central requirements/rules repository by FitLibrary style FunctionalTests. [more to come]

TogaFit is a wild hair PeterMerel woke up with this morning. But it sounds like a nice idea.

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See also: EclipseProcessFramework