How do identical communities work on Lemmy?

Spacecraft@lemmy.world to No Stupid Questions@lemmy.world – 38 points –

So my understanding is that a community created on a certain server (say lemmy.world), can be interacted with by any other federated server, and any interactions from those servers are synced to the original "true" community / server. How does it work if two servers both have a community with the same name? Each server is the owner of content created there, and then Lemmy is just merging the communities with identical names so posts from both appear under server.com/c/Music?

/c/Music on server A could have drastically different rules from /c/Music on server B, so there's potential for users on both to see posts that wouldn't be allowed on their server?

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Nothing gets merged, theyre completely separate, in the same way example@gmail.com and example@outlook.com are different email addresses.

some.lemmy/c/music is the music community on some.lemmy, if you want to see the music community on another.lemmy while you are at some.lemmy, you go to some.lemmy/c/music@another.lemmy

Ah that answers my question in reply to @Ulu-Mulu-no-die@kbin.social here!

You're seeing me as kbin user? I'm on lemmy.world :O

Weird. It was the only option that popped up when I @ your username lol.

That's interesting, I do have an account also on kbin, but I was writing on lemmy with my lemmy.world account, every time I think I understand federation it turns out I don't lol :D

We're all learning. And thanks for making this mistake so that I could learn from it too. :)

It was actually intended on my part, I mean, I'm using my lemmy account much more than kbin since I write on lemmy, it's interesting to see kbin showed you that option, tho I wonder what would happen if it wasn't me having that account name on kbin ...