Postgres Summit US2026

Have you ever wondered what exactly happens on the network when your application talks to PostgreSQL? In this session, we will dive deep into the Postgres Frontend/Backend protocol, decode and document real-world message exchanges, and learn how to use Wireshark to capture and diagnose database communication issues. Whether you are doing support without the codebase, writing a custom driver, or simply curious about database internals, you will leave with a solid understanding of how Postgres communicates on the wire and the practical skills to troubleshoot it effectively.