Multi-core processors (MCPs) have become increasingly prevalent in aerospace and defense technology. Offering increased computing power without significant increases in size, weight, and power, MCPs are understandably appealing to the developers of embedded applications, especially those for airborne platforms. As such, providing multi-core platforms for certifiable, safety-critical avionics applications is the next major step for avionics manufacturers.
Unfortunately, the guidance from the certifying authorities, such as the Federal Aviation Administration (FAA), European Aviation Safety Agency (EASA), and Transport Canada, is not prescriptive.
This white paper examines the key challenges multi-core processors present in safety-certifiable systems, and the traditional and newer, more effective techniques for alleviating them to ensure MCP-based systems will safely perform their intended functions.
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