Networking

JIT WireGuardOriginal article link with an AI-written directory summary

Lillian Berry describes changes that make Fly.io's use of WireGuard more scalable. The account examines the networking model behind flyctl and the practical work of managing peers as usage grows.

Case study · WireGuard · Networking

Surpassing 10Gb/s over TailscaleOriginal article link with an AI-written directory summary

Jordan Whited explains throughput improvements in Tailscale's userspace networking. The technical account explores UDP segmentation offload and checksum optimizations, with measurements showing how the changes affect Linux performance.

Case study · Networking · Performance

Making an SSH client the hard wayOriginal article link with an AI-written directory summary

Mihai Parparita explains the engineering behind a browser-based SSH client that joins a Tailscale network. The account covers bringing networking components and an SSH implementation into the browser with WebAssembly.

Case study · WebAssembly · Networking

What happens to TLDs when their country stops existing?

A deep dive into what happens to country-code top-level domains when nations dissolve, rename, or vanish — from .su and .yu to the politics and technical inertia that keep dead TLDs online.

Essay · Networking · Infrastructure · History · Internet

How NAT traversal worksOriginal article link with an AI-written directory summary

David Anderson explains the techniques that let devices establish direct connections through network address translators. The guide develops the networking problem step by step and relates the approach to WireGuard and other peer-to-peer protocols.

Guide · Networking · NAT Traversal

How Tailscale worksOriginal article link with an AI-written directory summary

Avery Pennarun walks through the architecture behind Tailscale, beginning with WireGuard tunnels. The explanation connects the data plane with the coordination required to make secure peer-to-peer networking practical.

Guide · Networking · WireGuard

Remembering the LANOriginal article link with an AI-written directory summary

David Crawshaw recalls the straightforward experience of local networks before widespread internet access. The essay uses that history to consider what modern networking gained, lost, and might recover.

Essay · Networking · Computing History