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# ota-reference-design
A practical reference design for reliable and secure over-the-air updates on embedded Linux
A practical reference design for reliable and secure over-the-air updates on embedded Linux.
This repository is intended as an educational reference design. It demonstrates one possible approach to building a reliable OTA update system for embedded Linux. It is not intended to be a production-ready framework.
This repository is intended as an educational reference design. It demonstrates one possible approach to designing and implementing a reliable OTA update system for embedded Linux.
The project focuses on the engineering decisions behind OTA systems, including:
* update strategies;
* system and storage architecture;
* bootloader interaction;
* atomic updates;
* rollback and recovery;
* integrity verification and signing;
* testing and failure handling.
It is not tied to a specific OTA framework, hardware platform, or cloud provider.
Raspberry Pi may be used for practical demonstrations, but the underlying concepts are applicable to a broader range of embedded Linux devices.
This repository is not intended to be a production-ready framework. Instead, it is designed to explain the architectural principles, trade-offs, and failure scenarios that should be considered when building a real OTA system.
The repository is being developed incrementally as a structured series of articles, diagrams, architecture decisions, and practical examples.
## License
This project is licensed under the MIT License. See [LICENSE](LICENSE) for details.