I wrote a load balancer with XDP and Go

In plain words

This load balancer uses XDP and eBPF for high-speed packet redirection combined with Go for health-checking and configuration management. Built as an alternative to Facebook's Katran, it aims to provide easier deployment for non-developers while supporting horizontal scaling through ECMP. The project is still experimental but has demonstrated handling 40Gb/s traffic with reasonable CPU utilization on single nodes.

written from the facts on this page · September 2026

From the sources

A horizontally scalable Direct Server Return layer 4 load balancer for Linux using XDP/eBPF - davidcoles/vc5

In the maker’s words, at launch

Facebook's Katran looked too scary (and I don't do C++), so I thought I would investigate using XDP/eBPF to redirect packets at high speed and Go to do the control plane work of health-checking backed servers and managing configuration. With luck the resulting binary should be easy to deploy by non-developers.…

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