BitTorrent Sync is a simple replication application providing encrypted bidirectional file transfers that can run behind NAT and is specifically designed to handle large files. By leveraging the simplicity of Bittorrent Sync, we can transfer backup files away from our cluster, enhancing the backups availability and reducing the cost of broken backup, where you can regularly verify your backups off-site. The bidirectional replication allows us to manage on-site backups remotely as changes happen on the other end (delete, rename, move) will be replicated to the other end as well.
What is BitTorrent Sync?
BitTorrent Sync, or BTSync, is an encrypted peer-to-peer file transfer application which uses the BitTorrent protocol to keep files on several clients synchronized. It is designed to transfer large files at the maximum speed supported by the network.
Setting up a client is easy with a single application to install, selecting a folder via the built-in web application with a randomly generated or user-chosen 20 bytes secret which is used to sync that folder across clients.