The Interface Management process helps ensure that developers document all internal and external interface requirements and requirements changes in accordance with the program’s Configuration Management Plan.
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Developers also should communicate interface information to their counterparts responsible for affected systems and system elements, and should plan for coherent testing to verify expected performance and ultimately operational performance.
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Interface management is an iterative process. As knowledge of the system and system elements increases during design activities, verifiable lower-level requirements and interfaces are defined and refined.
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Developers should assess impacts of the originally defined capabilities and interfaces, performance parameter thresholds and objectives, and the overall system when defining and modifying interfaces.