System Engineering Management Plan
Section 4.7 - Model Text

Optimization shall take into consideration the associated risks, technical performance, schedule, and life cycle costs.

4.7.1 Trade-off studies.
- Desirable and practical trade-offs among stated operational needs, engineering design, program schedule and budget, producibility, supportability, and life cycle costs, as appropriate, shall be continually identified and assessed.
  Trade-off studies shall be accomplished at the various levels of functional or system detail or as specifically designated in a form consistent with the impact of the study upon program and technical requirements.
4.7.2 System/cost effectiveness analysis.
- A continuing system/cost effectiveness analysis shall be conducted to insure that engineering decisions, resulting from the review of alternatives, are made only after considering their impact on system effectiveness and cost acquisition and ownership.
  Alternatives shall be identified which prove significantly different system effectiveness or costs less than those based upon contract requirements.
4.7.3 Effectiveness analysis model.
- System effectiveness model(s) shall be used when they contribute to the decision process.
  The model(s) shall allow the input parameters to be varied individually so that their relative effect on total system performance and life cycle cost can be determined. Parameters in the performance characteristics allocated to system functions. The model(s) and data file shall be maintained, updated, and modified as required.

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