hlre is a concept router.
Instead of trying to do complicated routing decisions in a low-level language for performance, hlre takes a different approach to routing. hlre is split into two major components, a very simple flow-based IP router (router), and a controller written in a high level language (controller).
Currently, router is written in Rust and controller is being concepted in ruby.
My current vision is that controller will eventually be an Erlang/OTP application.
router and controller communicate over a host-local socket. router asks questions about new flows it observes, and controller delivers dispositions.
This project is is a super-early state. Neither router nor controller are much more than concept scripts to test my understanding of the tools I plan to use.