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Sysadmin Engineering Guides

Engineering guides, architecture patterns, and production implementations focused on Sysadmin.

1 published publications•All Articles

Cross-Cloud Disaster Recovery: Multi-Cloud WireGuard Mesh and Automated DNS Failover

Achieve sub-60s RTO and sub-5s RPO across AWS and European clouds: Kernel WireGuard mesh, BBR TCP WAN optimization, Patroni split-brain fencing, and Anycast DNS failover.

#Disaster Recovery #Multi-Cloud #WireGuard #DevOps

10/5/2026

16 min

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KNetwork Systems Engineering

Building complex systems with #Sysadmin?

Our engineering team designs sub-50ms distributed backends, edge AI pipelines, and high-concurrency systems.

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