The COTS proposition, taking state-of-the-art commercial semiconductor technology and deploying it on open-standard military board architectures, is rapidly migrating up the technology food chain to the preconfigured subsystem level. Packaged COTS (PCOTS) subsystems are being driven by customer interest in reducing design risk and time to market, leading them to turn to traditional board vendors who have expertise in packaging and thermal management. PCOTS fully integrated "standard" systems enable development cost and improvements to be distributed over multiple users and programs, which drives increases in performance and economies of scale. There is also a place for both Line Replaceable Units (LRUs) as individual modules and packaged subsystems based on LRUs.
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