The Blog

Problem-first technical writing. Deep dives into backend systems, networking concepts, and engineering tradeoffs.

2026-03-15•2 min read

Why UDP Packets Get Lost (And How to Handle It)

UDP doesn't guarantee delivery. Understanding why packets get lost — and what you can do about it — is essential for building reliable real-time systems.

#networking#backend#udp#debugging

2026-03-10•2 min read

Docker Networking Deep Dive: Why Containers Can't Talk to Each Other

A deep dive into Docker's networking model — bridge networks, DNS resolution, and the most common reasons containers fail to communicate.

#docker#networking#backend#devops

2026-03-05•3 min read

Understanding Database Indexing: From O(n) to O(log n)

How database indexes actually work under the hood, why they make queries faster, and when they can actually hurt performance.

#databases#backend#performance#sql