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This paper identifies the design features of commercial-off-the-shelf (COTS) software that impact the lifecycle cost of automatic test system (ATS) solutions and provides a set of design guidelines. It demonstrates that the architecture of COTS software must be modular, based on correct functional allocation, should possess distribution capabilities, and contain open interfaces that remain backwards compatible. In the case of COTS development tools, the programmatic interface should be simple, extensible, and enforced in the development environment.
Date of Publication: June 2004