https://www.pistack.xyz/tags/protocols/ Recent content in Protocols on Pi Stack Hugo en-us Sat, 09 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-09-self-hosted-coap-protocol-servers-californium-vs-leshan-vs-copper/ Sat, 09 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-09-self-hosted-coap-protocol-servers-californium-vs-leshan-vs-copper/ <h2 id="introduction">Introduction</h2> <p>The <strong>Constrained Application Protocol (CoAP)</strong> is a specialized web transfer protocol designed for resource-constrained IoT devices and low-power networks. It brings RESTful architecture to environments where HTTP is too heavy — devices with limited memory, battery-powered sensors, and lossy wireless networks.</p>