[tor-bugs] #9368 [Tor]: Turn static throttling on in the live network

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Jul 31 21:12:41 UTC 2013

#9368: Turn static throttling on in the live network
 Reporter:  arma         |          Owner:                    
     Type:  enhancement  |         Status:  new               
 Priority:  normal       |      Milestone:  Tor: 0.2.5.x-final
Component:  Tor          |        Version:                    
 Keywords:  tor-auth     |         Parent:                    
   Points:               |   Actualpoints:                    
 The feature is all implemented, and it works as far as we know. Some
 static throttling of super-loud clients would help free up the network for
 the rest of the users.

 There are three parts to this ticket:

 A) Get the directory authorities to add the right consensus params. And
 also decide what numbers to use. I think "perconnbwrate=50000
 perconnbwburst=10000000" (i.e. burst of 10MB and rate of 50KB/s) would do

 B) Before it can go live, we need to do something about the bwauthorities
 -- they suck down 64MB files from the fastest relays, and step A will
 throttle them, leading to confused results. The simplest hack I've thought
 of is to make them relays, and then they don't get throttled.

 C) Some way to measure if it's going right (general performance improves)
 or wrong (it's harming normal users). Ordinarily I'd be a big fan of
 getting all this infrastructure set up and doing an experiment, but that's
 going to take a year or more at this rate, and we could make a difference
 right now.

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/9368>
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