Content-type: text/html ~ Stephen's Web ~ ActivityPub Over ATProto

Stephen Downes

Knowledge, Learning, Community

This item was spotted by Boris Mann and is essentially a "design provocation" suggesting how we could run ActivityPub (the protocol fediverse systems like Mastodon use to connect to each other) over the AT Proto architecture (the protocol fediverse systems like Bluesky use to connect to each other). So long as both protocols remain open there's no reason why this wouldn't work, though it's not straightforward: "Both the Activity* standards and ATProto break this siloing in different ways. Activity* are built around URLs ... the expectation tends to be that either you run your own server (which isn't for everyone) or you have to join a federated server.... ATProto, on its side, provides a good initial foundation for an extensible PDS designed around user agency and credible exit." But, as Mann says, "both protocols are great in their own way.

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Stephen Downes Stephen Downes, Casselman, Canada

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Last Updated: May 22, 2024 4:50 p.m.

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