MaGe Linux Operations

Dec 20, 2022 · Fundamentals

Why UDP Drops Packets and How to Make It Reliable

This article explains UDP packet structure, why UDP lacks a send buffer, how fragmentation and buffer overflows cause packet loss, and presents practical solutions—including socket buffer tuning, delayed sending, retransmission strategies, redundancy, and RUDP—to achieve reliable communication over an inherently unreliable protocol.