https://jayminpatel.elemprin.com/tags/embedded-systems/Recent content in Embedded Systems on Jaymin PatelHugoen-usTue, 02 Jun 2026 12:00:00 +0530https://jayminpatel.elemprin.com/posts/sdwan-lessons/Tue, 02 Jun 2026 12:00:00 +0530https://jayminpatel.elemprin.com/posts/sdwan-lessons/<p>After 18 years building networking products -- from UTM firewalls at Cyberoam to wireless controllers at Sophos, and now SD-WAN solutions at Elemprin -- here are five lessons that shaped how I think about product development.</p> <h2 id="1-the-kernel-is-your-foundation"> 1. The Kernel Is Your Foundation <a class="heading-link" href="#1-the-kernel-is-your-foundation"> <i class="fa-solid fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h2> <p>At Red Piranha, we upgraded the Linux kernel from 3.10 to a modern version. This wasn't just a version bump -- it required porting years of custom patches, building a unified config across platforms, and repackaging everything as RPMs. The lesson: invest in your kernel strategy early. A clean, maintainable kernel tree pays dividends every release cycle.</p>