Software systems deployed in safety-critical applications in aerospace and other industries must satisfy rigorous development and verification standards. One of the most widely used of these standards is DO-178B, "Software Considerations in Airborne Systems and Equipment Certification." DO-178B specifies 66 software development process objectives, distributed across various stages in the development lifecycle. It was published in 1992, when most software was hand-coded. As a result, it does not cover advanced software development technologies, and must be mapped onto the processes and tools in Model-Based Design.
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