Cross-Platform Software Design: Why Robotics Needs Portable Architectures

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This chapter from the STATERA Library's Software Architecture Fundamentals series introduces cross-platform software design as a core requirement in modern engineering. It explains that robotic systems span diverse hardware, from real-time microcontrollers to GPU accelerators and cloud servers, which must work together reliably. The text contrasts earlier practice, where applications were tightly bound to specific processors and drivers, with today's emphasis on abstraction layers and modular interfaces. It notes that this shift reduces the cost and rework of hardware migrations and limits accumulating technical debt. The chapter sets the motivation and scope for later material on hardware abstraction, portability, build systems, and CI/CD.

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