You post and comment histories would likely still be saved on any instances that federated with them previously, I would imagine.
This is correct, I can find old posts from an account I deleted ages ago from an instance that doesn't exist still floating around those we federated with.
Well, if it was ages ago, instances may have gotten wise to the fact that your account is gone and deleted the posts by now.
The same holds true for monoliths like Reddit and Facebook and Twitter. What if they decide to just turn it off? In those cases you just lose everything. Period. With the Fediverse, if one instance turns off, then we just lose the stuff on that single instance. Everything else you have been following or doing is still there.
By and large, though, Fediverse instance operators are a communicative lot. If things are going to go south and the instance is going to go away, my experience has been they'll give you plenty of warning to move elsewhere and work to preserve whatever data you would like to keep.
But in those cases, the users trust that the server hosting the platform they are on isn’t just some guy’s Personal laptop.
Are there any stability requirements for starting up a server or can someone start up a server on their personal laptop?
The other problem is that eventually you will have only a few large servers because people who join will want as much content as possible. Basically the “Google” problem.
The content from ALL is the same regardless of being from the same server or not. Yes, larger servers will have larger internal traffic so perhaps browsing will be faster. Small servers can still exist with few problems, especially if people prefer to only receive their subscribed posts.
ALL from Lemmy.world and ALL from other servers are not all the same. Each server has its own list of other servers which they federate with and some don’t necessarily federate with all the others. At least this is how I understand it and it confirms my observations and others have confirmed this as well.
This is true, which is why a solution will pop up maybe in the form of a website that could track what servers federate with what. People could choose a completely open server or a server that defederates the volatile ones.
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