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That is only valid when all nodes have an equal chance of being down. Big websites have entire teams dedicated to keeping their site online, so even though it's
by WJW 9y ago
That is only valid when all nodes have an equal chance of being down. Big websites have entire teams dedicated to keeping their site online, so even though it's centralized, youtube is actually a very stable website. A torrent with one seeding peer (or an IPFS object where only one node has it pinned) can potentially disappear if a single machine has a disk failure.
- loup-vaillant 9y agoThe basic assumption is independence, so I'm not even considering centralised hosting by Amazon or Alphabet. I am also assuming that if someone cares at all about seeding something, they will make sure it's not down too often.