Good to see Dat still alive, but without solve for mobile NAT traversal and persistent seed incentives, these p2p protocols never escape hobbyist tier.
Falling back to DERP relays means trusting and funding centralized relay boxes. That solves connectivity by conceding peer-to-peer. You end up with client-server architecture plus extra cryptographic tax.
I'm pleased to see DAT survived in some way the niche rivalry with IPFS, but let the people at Iroh their website LLM endpoint is down, https://www.iroh.computer/blog/what-is-derp
> "The DERP Protocol in Iroh"
> "Explain the original DERP protocol by Tailscale, focusing on its functionality and limitations. Discuss how Iroh has adapted and enhanced the DERP protocol, emphasizing the use of DERP URLs instead of regions."
https://docs.iroh.computer/concepts/nat-traversal
https://www.iroh.computer/blog/what-is-derp
https://ark-builders.medium.com/the-deceptive-complexity-of-...
projects using iroh:
https://github.com/muhamadjawdatsalemalakoum/kith
https://delta.chat/
https://github.com/fishfolk/bones/
> "The DERP Protocol in Iroh"
> "Explain the original DERP protocol by Tailscale, focusing on its functionality and limitations. Discuss how Iroh has adapted and enhanced the DERP protocol, emphasizing the use of DERP URLs instead of regions."
and so on for the rest of their FAQ page
PS: Is keet.io a reincarnation of Cabal chat (https://cabal.chat/)?
Anyways, new projects like Keet.io keep the p2p dream alive, or at least, give it a zombie-like undead experience.