this post was submitted on 11 Oct 2023
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That's simply not true. On the network level any federated system is decentralized. With a centralized network you literally have one server and if it dies all data is lost. With a federated system like the fediverse any server can go down but the data is still there if it has been cached by some other server.
I'll try in a less hostile manner, if I may.
You're right that Lemmy is decentralized if we view it from far away. Individual instances may disappear, the network itself still remains.
The other person's perspective was more zoomed in. If we look at individual instances, they can very much disappear, and users of that instance will have lost functionality. That includes both people with accounts on that instance, and users of communities hosted there.
For big instances, we can imagine they are both. So even if one of their instance servers goes down, no functionality or data is lost, as they continuously internally mirror their data.
However, most instances are monoliths.
Exactly thats what I think too. I was talkkng about the network itself while he was talking about single instances. But thats the difference to a distributed system where you have ni central servers at all. Still on the network level both federated and distributed systems are decentralized.
You just described Lemmy.
The fact that you don't understand that federation != decentralization is the problem. Just because something is federated does not mean it's decentralized. Decentralized means all data is stored on all nodes and the loss of any one node does not compromise that data. That's not Lemmy. If your Lemmy server goes down, significant portions of your data go with it, which proportions vary, but you WILL lose data. That's not decentralized, but everyone agrees Lemmy is federated, yes? Therefore, federation is not decentralization.
Dude you can literally count the number of independent instances. How can you assume that the network isn't decentralized? A network where the data is distributed over the user nodes is called a distributed system for a reason. Decentralization does not mean that one part of the network can't go down but the network itself will survive it.
What part of what I wrote do you not understand? Because it's painfully clear you are completely mistaken about how Federation works or what it is. I've already explained the differences to you, but you don't seem to be able to grasp them. So where is the failure of communication here? Which parts are you having trouble with?
What does this sentence even mean. It's just word salad and looks like you are throwing out buzzwords you've heard somewhere but don't know what they actually mean contextually.