Aren't relays already a thing? I remember using one back in 2017, but don't use one anymore because you basically had the choice between private relays that just existed to connect up 3 or 4 instances or public relays.
Public relays were really the most authentic way to get the "true" interconnected experience: just a constant deluge of assholes dumping shit nobody actually wanted to look at, which is why I abandoned using them; you'd basically given yourself a secondary job to get rid of jackasses. (Which wasn't worth it on a single-user instance; I'd rather accept the low discovery and just rely on a slowly building graph instead.)
I don't really see any replacement fix those problems; relay quality was always reliant on the operators of the relays after all.
I read here https://www.fediscovery.org/ :
> How is this related to relays?
>
> Relays can be used to get a more complete view of what is going on in the larger
> Fediverse. As such there are some similarities to this proposal.
>
> From an instance operator’s point of view the biggest difference is that using a relay
> comes with a higher cost. The instance needs to ingest and index everything the relay
> sends which takes up processing power and storage. A discovery provider will do that
> work for one or more instances.
>
> Implementation-wise we expect to see some similarities with how relays work, at least
> for real-time data. But discovery providers should be able to index historic data as
> well. So ingesting real-time data from instances is only part of the story.
> Querying instances for historic data is not currently something that relays do.