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analysis of alternatives

Definition(s):

  An analytical comparison or evaluation of proposed approaches to meet an objective. An analysis of alternatives can be applied to anything—from a large military acquisition decision to a decision between two products. The formal or informal process involves identifying key decision factors, such as life cycle operations, support, training, and sustainment costs, risk, effectiveness, and assessing each alternative with respect to these factors. An analysis of alternatives is an analytical comparison of the operational effectiveness, cost, and risks of proposed materiel solutions to gaps and shortfalls in operational capability. Such analyses document the rationale for identifying/recommending a preferred solution or solutions to the identified shortfall. Threat changes, deficiencies, obsolescence of existing systems, or advances in technology can trigger an analysis of alternatives.
Source(s):
NIST SP 800-160 Vol. 1

  An analytical comparison or evaluation of proposed approaches to meet an objective. An analysis of alternatives can be applied to anything—from a large military acquisition decision to a decision between two products. The formal or informal process involves identifying key decision factors, such as life cycle operations, support, training, and sustainment costs, risk, effectiveness, and assessing each alternative with respect to these factors. An analysis of alternatives is an analytical comparison of the operational effectiveness, cost, and risks of proposed materiel solutions to gaps and shortfalls in operational capability. Such analyses document the rationale for identifying/recommending a preferred solution or solutions to the identified shortfall. Threat changes, deficiencies, obsolescence of existing systems, or advances in technology can trigger an analysis of alternatives.
Source(s):
NIST SP 800-160 Vol. 1