this post was submitted on 13 Jun 2023
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Good technical explanation of ActivityPub? (feddit.de)
submitted 1 year ago by [email protected] to c/[email protected]
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Can anyone recommend a good article or video explaining how ActivityPub works on a technical level? I understand the concept, but I'm interested how the protocol actually works (I am studying CS for context).

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[–] [email protected] 2 points 1 year ago (1 children)

Activitypub uses ordinary web protocols like https to make requests between servers. It's all quite simple.

This document is quite detailed: https://www.w3.org/TR/activitypub/

[–] [email protected] 2 points 1 year ago (1 children)

Thanks, it is indeed quite simple. I guess the part that confused me was how lemmy communities are modeled. Apparently, they are just actors of type group and submitting a post is simply sending an activity to the group and its followers. So, the email comparison makes sense after all.

[–] [email protected] 2 points 1 year ago

Yeah I think it's beautiful. And because of the simplicity, I think the fediverse will take off and many new apps will come. Probably used by techies in the beginning but as soon as some big company makes something, everyone will start to use it.