[tor-dev] Is it time to drop support for the v1/v2 protos?

[Philipp Winter]

On Mon, Jan 12, 2015 at 08:24:58PM +0100, Tom van der Woerdt wrote:
> Interestingly, that paints a completely different picture. I added
> that line to two machines (guard+exit) and after a few minutes :
> 
> # cat /var/lib/tor/node*/infolog | grep Negotiated | awk '{ print $8
> }' | sort | uniq -dc
>      40 2
>      76 3
>    3811 4
> 
> # cat /var/lib/tor/node*/infolog | grep Negotiated | awk '{ print $8
> }' | sort | uniq -dc
>      50 2
>     122 3
>    6269 4
> 
> I'll let it run a bit longer but these two machines (which are both
> exits as well - probably relevant) get almost solely v4 handshakes.

I now did the same for my two relays and I get two different
distributions, which I found surprising.  That's the relay [0] whose
results I showed earlier.

  Negotiated version | Per connection | Per host
  -------------------+----------------+-------------
                   2 |   12,236  (8%) |  9,292 (21%)
                   3 |   29,768 (20%) | 23,393 (52%)
                   4 |  108,884 (72%) | 12,051 (27%)

And here's a relay [1] on the same physical machine with almost the same
configuration.  The major difference is that this relay is not
configured to run a directory service whereas the other one is.  The
numbers are close to yours, Tom.

  Negotiated version | Per connection | Per host
  -------------------+----------------+------------
                   2 |      761  (1%) |   279 (3%)
                   3 |    4,468  (5%) | 1,301 (14%)
                   4 |   82,811 (94%) | 7,494 (83%)

[0] <https://atlas.torproject.org/#details/9B94CD0B7B8057EAF21BA7F023B7A1C8CA9CE645>
[1] <https://atlas.torproject.org/#details/CCEF02AA454C0AB0FE1AC68304F6D8C4220C1912>

Cheers,
Philipp