I was reading about Kademlia and got to wondering what other distance metrics people had implemented other than xor. Turns out there's geographic routing[0], so

I was reading about Kademlia and got to wondering what other distance metrics people had implemented other than xor. Turns out there's geographic routing[0], social routing, and all sorts of fun stuff. Very interesting field. I also was amused to see what they considered social networks in 2004. [0]: https://www.researchgate.net/publication/231183253_GeoKad_A_P2P_Distributed_Localization_Protocol https://www.researchgate.net/publication/231183253_GeoKad_A_...