[alecco]

That can be cached if there's only one system. And BitTorrent DHT takes about 30s to start finding peers. That's a very old type of DHT, a new protocol could prioritize finding closer neighbors.

[KaiserPro]

but that takes time, which means depleting cache. As most domestic connections are limited by upload, its not like you can get that cache back.

Especially if you are at the edge of the the p2p chain. Your cache might be dependent on three other people refreshing their cache first.