Ping times with Tor running

Roger Dingledine arma at mit.edu
Sat Jun 27 15:58:11 UTC 2009


On Sat, Jun 27, 2009 at 08:47:01AM -0700, Kris Linquist wrote:
> The answer to this may be "yeah, duh.", just thought I'd ask :).   I've 
> got a residential cable connection where I am guaranteed 22mbit down, 
> 5mbit up.   My Tor relay BandwithRate is 1000 KB  bursting up to 2000 KB.
> 
> While Tor is running, incoming and outgoing pings to the nearest hop 
> goes from ~15ms to ~300+ms.  This is very obvious when browsing.

1000KB is 8 megabit. 2000KB is 16 megabit.

Tor counts in units of '1' rather than units of '1/8' :)

Whereas your cable provider counts in units that produce large
impressive-sounding numbers.

See also
https://wiki.torproject.org/noreply/TheOnionRouter/TorFAQ#DoesBandwidthRateReallyWork

--Roger



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