A site of technical notes by a network engineer, focused on Cisco ACI policy models and industrial control system (OT) security, including industrial DMZ firewall design. Readers get practical explanations of how the objects link together and how IT and OT networks can be segmented safely.
Website: https://www.routenil.net/
Deep technical explainers on AI hardware infrastructure, covering advanced packaging, co-packaged optics, and data movement in AI clusters. Posts synthesize material from industry conferences and expert talks, with market data and equipment-maker context.
Detailed first-person field notes on running a homelab, covering self-hosted NetBird upgrades and backups, Docker network segmentation, and Home Assistant energy cost modelling. Readers get concrete configurations, scripts, and the reasoning behind each decision.
Technical research newsletter on AI infrastructure hardware, covering photonics, interconnects, memory, power and packaging. It explains device physics and industry developments, including conference coverage, with deeper analysis behind a paywall.
A hands-on technical blog series about porting OpenWrt to the AT&T BGW320-500 fibre gateway, covering Ethernet offload, tri-band Wi-Fi bring-up and the 10G XGS-PON SFP+ cage. Readers get detailed, step-by-step reverse engineering notes on Broadcom drivers, module load order and PON protocols.
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