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I took a quick look at the documentation, and it sounds pretty much like an open source version of BitTorrent/Resilio Sync. Their documentation mentions they u

I took a quick look at the documentation, and it sounds pretty much like an open source version of BitTorrent/Resilio Sync. Their documentation mentions they use an open protocol. Is this thing just running on P2P?

em-bee 7y ago
it syncs directly between devices. a relay server is only used when the devices can't talk to each other (because thy are both behind a different NAT for example). that's pretty much the definition of P2P, i'd say.
- microcolonel 7y ago
  > because thy are both behind a different NAT for example More specifically, a case where they are both behind different NATs which both do not respond to UPnP.
  - Dylan16807 7y ago
    No hole punching? Huh.
    - microcolonel 7y ago
      That too, having never implemented NAT traversal I guess my mind always considered them the same mechanism.
      - Dylan16807 7y ago
        "That too"? From what I can see hole punching is pretty far from being implemented: https://github.com/syncthing/syncthing/issues/4259 https://github.com/syncthing/syncthing/issues/4259 Edit: Oh wait this exists https://github.com/syncthing/syncthing/pull/5737 https://github.com/syncthing/syncthing/pull/5737