Version 4 of BitTorrent

* what is bittorrent? - an alternative to ftp for high demand serving of files.

where is the authority web site for it? Google is your friend: http://bittorrent.com/
why would someone use it? - because the bandwidth available scales with the number of users
what does the tcllib code provide?

Bittorent clients are not clients in the strict sense, for fastest downloads, they require incoming connections from other peers. You usually have to configure your router/firewall to allow some ports to be routed to you. This is usually done by a web-based control panel on your router/firewall.

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