[tor-relays] One IPv4 address, 1Gbit connection

Tim t_ebay at icloud.com
Tue Jul 1 12:36:10 UTC 2014


Why not run multiple tor relays on different ports on the same IPv4 address?

For example, you could run 6 relays on 6 different ports on your IPv4 address (6 x 180 Mpbs > 1 Gbps).

This would also utilise your 4 cores much more efficiently than running 2 relays (each relay will only ever use 1 core for most operations).


> Mon, 30 Jun 2014 14:48:59 +0200 Christian Dietrich <christian.d.dietrich at gmail.com>:
> Hi there,
> You will never be able to utilize the whole gigabit connection, at least
> with the current tor version.
> I'm also running 2 tor nodes (00000000000myTOR) on a single machine (3rd
> gen Core i, Quad Core /w AES-NI) on an single IP,
> reaching ~1.3 Gbit/s on an 1000 Base-T FD connection. Since you do not use
> hardware accelerated crypto,
> your transfer speed should be much lower. Anway my relays are also cpu
> limited due to the fact that tor isn't
> really utilizing much more than one cpu core.
> - Christian
> 2014-06-30 13:05 GMT+02:00 Tom van der Woerdt <info at tvdw.eu>:
>> Hi,
>> I'm running a Tor exit node on a 1gbit connection. Currently it's maxing
>> at about 180Mbit/s (both ways, so 360Mbit/s) per instance, and I'm running
>> two instances.
>> That's not really using the connection well. The box has 4 cores (no
>> AES-NI) and I'm looking for ways to utilize the other 640Mbit/s.
>> Sadly it's not possible to get more IPv4 addresses on this box. I do
>> however have access to a big range of IPv6 addresses.
>> Can I somehow run more Tor instances on this box by utilizing those IPv6
>> addresses? Or are there other ways to optimize the throughput and get
>> closer to that 1Gbit?
>> Tom
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