Beyond HTTP in Rust: Real-Time Sockets and FTP — Built From Scratch (opens in new tab)

HTTP is great. It handles the vast majority of what most services need. But there are two areas where it genuinely falls short, and if you've hit either of them you know exactly what I mean. Real-time push. You want the browser to know something happened — immediately — without polling. Raw WebSockets work but you write all the framing, reconnection logic, and event routing yourself. Socket.IO is the standard that every JavaScript developer knows, but until recently Rust had no good server-si...