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Improved requirements traceability would result in significant cost savings since more requirements problems are due to failures in requirements management than failures in technical functions. Without adequate requirements traceability, errors are found late in system development and are expensive to repair. Our research identifies problems with industry's capability to trace product and process information, and offers some solutions1. We have defined a unique method, Concurrent Stimulus‐Response Threads (CSRT), that traces complex system behavior. Based on CSRT and Entity‐Relationship modeling, we make recommendations that will improve traceability in two requirements methods, Requirements Driven Design (RDD), and Real‐Time Structured Analysis (RT‐SA).

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