Friday, January 18, 2008

2.0 Alphabet


is for BitTorrent, a peer-to-peer file-sharing protocol that facilitates sharing large amounts of data. It's not just for illegal downloading. Really.


A BitTorrent client is any program that implements the BitTorrent protocol. Each client is capable of preparing, requesting, and transmitting any type of computer file over a network, using the protocol. A peer is any computer running an instance of a client.
To share a file or group of files, a peer first creates a "torrent." This small file contains metadata about the files to be shared and about the tracker, the computer that coordinates the file distribution. Peers that want to download the file first obtain a torrent file for it, and connect to the specified tracker, which tells them from which other peers to download the pieces of the file.

It has often been used to transmit music, movie, software and computer game files from one personal computer to another via an informal network of users.
Now, all that said, we can't show you BitTorrent in the library. Peer-to-peer file sharing networks are not allowed according to county standards. Here's a diagram:

Web 2.0 Alpbahet:Part 1 (letters A - M) were originally published in Information Today 24.9 (Oct 2007): p.17(2).

 
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