Is there some more documentation or a video? Should this run in parallel to the own relay on the server?
Running hyper-nostr.
https://github.com/nostrcg/devguide/wiki/hyper-nostr
"Hyper-Nostr is a distributed Nostr relay that aims to synchronize your relay storage and real-time events using Hyperswarm, and Hyperbeedee. Read a more detailed introduction here."
Discussion
Running localy hyper-nostr relay is pretty easy by running the following command.
npx hyper-nostr 3338 nostr
This implementation is not battle tested and not fully functionnal (nip04-dm is not implemted).
I will try to run a public instance