There is a tremendous need to analyze system interoperability within Defense forrnboth government and industry. Part of this challenge is the need for a metric that can be usedrnas a common ontology and assess the state of interoperability in system’s development andrnacquisition. Previous research developments have created an Integration Readiness Levelrn(IRL) that complements the well-established Technology Readiness Level (TRL) of thernDepartment of Defense. This paper expands upon this work with the objective of presenting arnverified and validated IRL and supporting guide of critical maturation criteria. We willrnreview the foundations of this IRL, describe our development of a “guide” to support thernIRLs, present the results of a survey to assess the criticality of decision criteria in the “guide,”rnand conclude with a discussion of the results and their implications to defense acquisition.
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