Explore the implementation of network protocols in the Zephyr RTOS through this informative conference talk. Gain insights into current trends in embedded technology and software development, focusing on real-time operating systems, minimal IP stacks, and application-level protocols for connected devices. Learn about implementing both legacy and IoT protocols for constrained devices on wired and wireless networks, with specific analysis of DNS, HTTP, MQTT, and NATS protocols. Discover optimization techniques for memory footprint and execution time, and understand how to communicate with legacy networks using minimal protocol specifications. Benefit from the speaker's experience in the Zephyr project, covering topics such as multiple interfaces, small footprints, test suites, compilation phases, fine-grained configuration, and APIs.