http://ci25bunztz3jsksrlvw5ifjr7wghgydrk255esnxvsqlqwfpksy7ctad.onion/it/vpn/why-is-needed
This allows many applications to work much more effectively. use peer-to-peer technology : p2p technology has many important and decentralized uses, such as secure backups, guaranteeing public access to information, internet chat, affordable content delivery, etc. Despite this, some ISPs hinder p2p traffic. At some universities, simply using p2p is enough to get your internet cut off.