Travis,
I contracted for BitTorrent, Inc. so I can tell you that they are simply in it for the cash and this protocol will not be made public. This is based on my experience with that company. Although it's fairly simple to reconstruct the protocol from a binary dump of UT, I don't think it's in anyones interest because I don't believe it to be properly implemented as it is today.

J

On Dec 1, 2008, at 1:54 PM, travis kalanick wrote:

David,

I'm going to guess that it's all DHT, with the possibility of tracker support but ONLY in the proprietary Bittorrent Inc. trackers (which only sit on the bittorrent.com or Bittorrent Inc. controlled domains).

It is not in Bittorrent Inc.'s interest to make trackers generally better on the Internet.

In order to make money, they want their client technology widely distributed to 100's of millions of users, fully in their control (i.e. no open source for uTorrent), and for Bittorrent, Inc. to have the preeminent, feature-rich trackers. And of course, they maintain a powerful DHT so that uTorrent clients get good, fast, free pirated content on demand with somewhat-minimized risk of THE MAN carrying them off to jail (this keeps the kids coming back to install utorrent :))

Travis


On Mon, Dec 1, 2008 at 12:10 PM, David Barrett <[EMAIL PROTECTED]> wrote:
Saw uTorrent switched to UDP:

http://www.theregister.co.uk/2008/12/01/richard_bennett_utorrent_udp/

Did they also add simultaneous connect NAT traversal? That'd require a tracker change, I assume. (Though they could probably do it through the
DHT.)

-david

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