Architecture tradeoff analysis method

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In software engineering, Architecture Trade-off Analysis Method (ATAM) is a risk-mitigation process used early in the software development life cycle.

ATAM was developed by the Software Engineering Institute at the Carnegie Mellon University. Its purpose is to help choose a suitable architecture for a software system by discovering trade-offs and sensitivity points.

ATAM is most beneficial when done early the software development life-cycle when the cost of changing architectures is minimal.