On Thu, 6 Mar 2014 09:55:42 -0300 Danilo Carvalho <vandor.danilo@xxxxxxxxx> wrote: > I am interested in profiling the UDP transport protocols, I think > using a different underlying protocol could significantly improve > Tor's performance and I would like to be part of that. https://research.torproject.org/techreports/libutp-2013-10-30.pdf It's sort of been done. The project ended before they could get meaningful performance numbers, but an educated guess on my part says that they wouldn't have been that great in the presence of competing traffic, but I have not busted out ns-3 or anything so I could very well be wrong here. I also don't really see how merely switching to UDP would be a net gain performance wise, since currently any suitable UDP based transport needs to implement a lot of TCP like features (reliable + in-order delivery, and congestion control). Don't let my skepticism dissuade you if you're determined to do something like this, because there is potential for a lot of interesting research, but the scope of the project may be bigger than a summer one (Although reviving the libutp code and actually getting performance numbers may be something that is doable). Regards, -- Yawning Angel
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