Alex Nolan

Cloud Architect & Systems Engineer. Writing about automation, networks, and Linux.
Published on August 4, 2026 • Tech Notes

Understanding TCP Congestion Control: Deep Dive into BBR v3

Bottleneck Bandwidth and RTT (BBR) has fundamentally changed how we approach network congestion. Unlike traditional loss-based algorithms like Cubic, BBR models the actual network pipe...

Published on July 19, 2026 • Automation

Automating Multi-Region WireGuard Mesh with Ansible

Setting up secure tunnels between multiple cloud providers can quickly become a configuration nightmare. By leveraging Ansible's dynamic inventories, we can build a fully automated mesh network...