Liu Zhen (liuzhen932)

Architected and maintained a high-availability multi-instance game server cluster serving a persistent community since 2018. Deployed comprehensive monitoring solutions using Prometheus & Plan to track performance and resource usage, achieving 100% uptime through proactive alerting and automated recovery workflows.

Designed and maintained a comprehensive self-hosted ecosystem using Docker Compose & Kubernetes to orchestrate critical services. Implemented Traefik / OpenResty reverse proxy with automated Let's Encrypt SSL management and strict network isolation. Ensured data sovereignty and 99.9% availability through automated backups.

Designed and deployed an experimental Autonomous System (AS) infrastructure utilizing BGP for inter-domain routing. Implemented advanced routing policies including prefix filtering and traffic engineering using Bird2/3 to optimize route propagation and ensure network stability.

IRC is a text-based chat system for instant messaging. Unlike modern proprietary platforms that lock users into specific ecosystems, IRC offers a lightweight, anonymous, and universally interoperable environment where anyone can run a server or write a client without permission.

Designed and deployed a high-availability DNS infrastructure featuring both recursive resolvers and authoritative name servers. Fully implemented DNSSEC across the zone, including automated KSK/ZSK key management and chain-of-trust validation to prevent cache poisoning.