Processes for developing safety-critical systems impose special demands
on ensuring requirements traceability. Achieving valuable traceability
information, however, is especially difficult concerning the transition
from requirements to design. Bernhard Turban analyzes systems and
software engineering theories cross-cutting the issue (embedded systems
development, systems engineering, software engineering, requirements
engineering and management, design theory and processes for
safety-critical systems). As a solution, the author proposes a new tool
approach to support designers in their thinking in order to achieve
traceability as a by-product to normal design activities and to extend
traceability information with information about design decision
rationale.