Krishnan Winter developed targeted networking and firewall enhancements for the LionsOS and SDDF repositories, focusing on embedded systems using C. He optimized DHCP performance in QEMU by disabling Address Conflict Detection via the lwIP stack, reducing unnecessary checks in isolated environments and enabling faster VM provisioning. In LionsOS, he refactored the firewall’s message register handling to adopt microkit functions, improving code clarity and maintainability while standardizing access patterns for future scalability. Throughout the two-month period, Krishnan demonstrated depth in network programming and embedded systems, delivering well-structured, maintainable code that addressed specific performance and architectural needs without introducing regressions.