this post was submitted on 22 May 2024
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UI differences are a big factor in the success/failure of decentralised federation of diverse platforms and content (media.hachyderm.io)
submitted 6 months ago by maegul@hachyderm.io to c/fediverse@lemmy.ml
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UI differences are a big factor in the success/failure of decentralised federation of diverse platforms and content

And this seems a good example: bridged #mastodon posts onto #BlueSky which has a lower character limit than Mastodon.

So, just like #lemmy posts on mastodon, you don't get the full content of the post (which ends with an abrupt ellipsis here) and have to take a link to the original platform.

However powerful the underlying protocols, this isn't far from screenshots.

@fediverse

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[–] modulus@lemmy.ml 13 points 6 months ago (2 children)

I wouldn't really count Mastodon/Bluesky bridging as federation. They're incompatible protocols that were never intended to work together (arguably Bluesky was explicitly designed to avoid using AP).

[–] 9point6@lemmy.world 6 points 6 months ago (1 children)

I would say federation doesn't necessitate the use of a single protocol across the network.

Imagine the scenario where very slowly each protocol aligns on features and just requires simple translation? What if one or both start to implement parts of the other spec?

Would you only call it federation if they used identical protocols?

I'd say federation is about the actual content being shared across decentralised services and not the technical means by which it's shared

[–] modulus@lemmy.ml 1 points 6 months ago

IMO bridging or translation isn't federation per se. Also it seems unlikely that protocols would converge to that extent. In fact AP implementations are already different enough that even within the same protocol it's hard to represent all the different activities instances can present.

[–] maegul@lemmy.ml 2 points 6 months ago (1 children)

Eh. AP isn't magic. Platforms can be pretty incompatible because of their differing use or implementation of AP. I feel like at some point there's a blurry line between a bridge being something different and just an extension of 2 protocols.

[–] modulus@lemmy.ml 1 points 6 months ago (1 children)

Definitely, AP is not magic. But if even within one protocol round-tripping and full-fidelity is impossible or very difficult, that makes it only harder and less likely through a bridge.

[–] maegul@lemmy.ml 1 points 5 months ago

Yea a complete protocol to protocol bridge seems far off for sure. But a platform to platform bridge seems to be working fine for the moment (masto-bsky), and that seems a reasonable expectation.

[–] voyager@hachyderm.io 2 points 6 months ago

@maegul @fediverse The bridge fails to detect line break in Chinese contents, at least from Bluesky to Mastodon

If this is the post on Bluesky in Chinese, it will be displayed in only one paragraph under Fediverse

[–] can@sh.itjust.works 1 points 6 months ago (2 children)

How do you see Lemmy posts on Mastadon anyway? This comment I understand but what about my posts?

[–] maegul@hachyderm.io 5 points 6 months ago

@can

Lemmy federates pretty well with mastodon. From mastodon you can follow a community as you would any person/user.

There are two major problems though.

  1. everything in that community comes through as a flat firehose, including comments. There's structuring into posts with comments inside.
  2. Mastodon doesn't understand the type of object lemmy sends over ActivityPub, and so simply provides a title and a link to the original post.

Also, you can just follow lemmy users on mastodon.

[–] Ziggurat@sh.itjust.works 1 points 6 months ago (1 children)

You can follow a lemmy community on Mastodon, and even comment from Mastodon.

It's not optimum, you see it like the community retooting each post and then the comments as reply to post but it works

[–] Dirk@lemmy.ml 3 points 6 months ago (1 children)

... but it's pretty bad on "both sides" in my opinion.

[–] taladar@sh.itjust.works 2 points 6 months ago

Especially when all the workarounds to make it barely usable from Mastodon spill over into Lemmy in the form of bots posting weird hashtags or headlines being full of hashtags,...