w3adorhttps://evgen.w3ador.us/ Infrastructure notes on networking and systems. Anycast DNS: what actually breaks in practicehttps://evgen.w3ador.us/notes/anycast-dns.html2026-09-14 Notes on TCP window tuning on long-haul linkshttps://evgen.w3ador.us/notes/tcp-window-tuning.html2026-07-02 Kernel bypass: the operational billhttps://evgen.w3ador.us/notes/kernel-bypass-tradeoffs.html2026-04-18 MTU, PMTUD and the 1400-byte habithttps://evgen.w3ador.us/notes/mtu-and-pmtud.html2026-02-11