If uTorrent's UDP implementation results in a more aggressive TCP, there is certainly the possibility that uTorrent could create massive FAIL on the Internets.
Anyone who's created/tuned a distributed-UDP-based-TCP-like protocol (e.g. David Barrett, Matthew Kaufman, Alex Pankrotov) knows the delicate nature of how distributed-TCP-in-UDP works, and how it can go very haywire with just a couple of well-intentioned tweaks. uTorrent is so widely distributed and so massively utilized for download activity, that if this update goes out in the defacto uTorrent client (new installs and auto-updates and the like), we should hope that there is a slow steady deployment to make sure there aren't serious problems with "crowding out" in the protocol. If there is a massive auto-update, and a massive FAIL that follows, we should all expect our uTorrent apps to be disabled by ISP, auto-downgraded by Bittorrent Inc., etc. until a TCP friendly protocol is deployed. Travis On Mon, Dec 1, 2008 at 1:25 PM, Serguei Osokine <[EMAIL PROTECTED]>wrote: > On Monday, December 01, 2008 David Barrett wrote: > > Saw uTorrent switched to UDP: > > > > http://www.theregister.co.uk/2008/12/01/richard_bennett_utorrent_udp/ > > Is it just me, or this article is really unnecessarily alarmist? > Richard Bennett describes the situation as if there is no congestion > control in the UDP file transfer protocol used by uTorrent, which > I find a bit hard to believe. > > Is this really the case? I cannot imagine how the data transfer > protocol without any congestion control can possibly exist - the > only issue seems to be how aggressive would it be in comparison > with TCP, not whether it would melt down the Internet or not. But > he sounds like the sky will be falling any moment now; is this > position substantiated by any objective evidence? > > Best wishes - > S.Osokine. > 1 Dec 2008. > > > > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto: > [EMAIL PROTECTED] On Behalf Of David Barrett > Sent: Monday, December 01, 2008 12:10 PM > To: theory and practice of decentralized computer networks > Subject: [p2p-hackers] Did uTorrent add NAT traversal? > > 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 > > _______________________________________________ > p2p-hackers mailing list > p2p-hackers@lists.zooko.com > http://lists.zooko.com/mailman/listinfo/p2p-hackers > _______________________________________________ > p2p-hackers mailing list > p2p-hackers@lists.zooko.com > http://lists.zooko.com/mailman/listinfo/p2p-hackers >
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