[tor-relays] Estimating the value and cost of the Tor network

Thu Sep 25 22:20:58 UTC 2014

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Hi Mike,

What follows is the data from most of our nodes. We've had a few
problems with some so one or two aren't included (nor are the seized
ones since their fingerprints have now been blacklisted). Hope it helps.

Chandler01 & Chandler02
37.148.163.38
Chandler01 D78AB0013D95AFA60757333645BAA03A169DF722
Chandler02 6F545A39D4849C9FE5B08A6D68C8B3478E4B608B
CPU Usage: 80-90% (per process)
CPU: 1x Dual Core i3 550
Cost: 456.61 Euro/month

Chandler03 & Chandler04
128.204.203.103
Chandler03 5E87B10B430BA4D9ADF1E1F01E69D3A137FB63C9
Chandler04 0824CE7D452B892D12E081D36E7415F85EA9988F
CPU Usage: 80% (per process)
CPU: 1x Dual Core i3 550
Cost: 456.61 Euro/month

Chandler05 & Chandler06
5.104.224.246
Chandler05 35961469646A623F9EE03B7B45296527A624AAFD
Chandler06 1EA968C956FBC00617655A35DA872D319E87C597
CPU Usage: 90% (05) & 70% (06)
CPU: 1x Dual Core i3 550
Cost: 430.04 Euro/month

Chandler07 & Chandler08
89.207.132.76
Chandler07 E5A21C42B0FDB88E1A744D9A0388EFB2A7A598CF
Chandler08 5D1CB4B3025F4D2810CF12AB7A8DDDD6FC10F139
CPU Usage: 90% (07) & 60% (08)
CPU: 1x Dual Core i3 550
Cost: 456.61 Euro/month

Chandler09 & Chandler10
77.95.231.11
Chandler09 722B4DF4848EC8C15302C7CF75B52C65BAE3843A
Chandler10 93CD9231C260558D77331162A5DC5A4C692F5344
CPU Usage: 70-80% (per process)
CPU: 1x Dual Core i3 550
Cost: 350.36 Euro/month

Chandler21
77.95.224.187
Chandler21 A3C3D2664F5E92171359F71931AA2C0C74E2E65C
CPU Usage: 80%
CPU: 1x Dual Core i3-2100
Cost: 244.03 Euro/month

Chandler22
89.207.128.241
Chandler22 575B40EF095A0F2B13C83F8485AFC56453817ABF
CPU Usage: 70%
CPU: 1x Dual Core i3-2100
Cost: 244.03 Euro/month

Chandler23
5.104.224.15
Chandler23 1A334E26E66303A4DE046E8733942601F5523E62
CPU Usage: 55%
CPU: 1x Dual Core i3-2100
Cost: 244.04 Euro/month

Chandler25 1324EC51FBFA5FD1A11B94563E8D2A7999CD8F57
CPU:  Intel(R) Core(TM) i7 CPU 950  @ 3.07GHz quad core
Network speed: 1gbps port
CPU usage: 92% to 96% (one instance of Tor running)
Cost: 373.33 Euro/month

ChandlerRelay01 7E45A9F483D87A37C9412575DCB723EC1FF02AB0
Location: Latvia
Type: Virtual private server / Virtualization: OpenVZ
Operating system: CentOS 7
CPU:  Intel(R) Xeon(R) CPU E5-1620 v2 @ 3.70GHz quad core on the host
      virtualization is OpenVZ so we don't know how much is dedicated
to us
Network speed: 100mbps port, but bandwidth throttled by provider to 5mbps
CPU usage: 5% to 12%
Cost: 7 euros per month, but we took it for 1 year and paid 70 euros per
year.

ChandlerRelay02 A7C7EAFE7813F87B17A2D000913E73A46BB41B33
Location: Latvia
Type: Virtual private server / VIrtualization: OpenVZ
Operating system: CentOS 7
CPU:  Intel(R) Xeon(R) CPU E5-1620 v2 @ 3.70GHz quad core on the host
      virtualization is OpenVZ so we don't know how much is dedicated
to us
Network speed: 100mbps port, but bandwidth throttled by provider to 5mbps
CPU usage: 5% to 12%
Cost: 7 euros per month, but we took it for 1 year and paid 70 euros per
year.

ChandlerRelay04 1A27FACDE82EEBC2018A7795277932C2ECBF105A
Location: Latvia
Type: Virtual private server / VIrtualization: OpenVZ
Operating system: Debian Wheezy
CPU:  Intel(R) Xeon(R) CPU E5-1620 v2 @ 3.70GHz quad core on the host
      virtualization is OpenVZ so we don't know how much is dedicated
to us
Network speed: 100mbps port, but bandwidth throttled by provider to 5mbps
CPU usage: 5% to 18%
Cost: 7 euros per month, but we took it for 1 year and paid 70 euros per
year.

ChandlerRelay05 4A596EC7459E25791F07A84CB977D2CCFBB4247C
Location: Latvia
Type: Virtual private server / VIrtualization: OpenVZ
Operating system: Debian Wheezy
CPU:  Intel(R) Xeon(R) CPU E5-1620 v2 @ 3.70GHz quad core on the host
      virtualization is OpenVZ so we don't know how much is dedicated
to us
Network speed: 100mbps port, but bandwidth throttled by provider to 5mbps
CPU usage: 5% to 20%
Cost: 7 euros per month, but we took it for 1 year and paid 70 euros per
year.

marmellata FE89FDC5DC618FA677C4B85F702D2CFCFFC48170
Location: Sweden
Type: Virtual private server / VIrtualization: OpenVZ
Operating system: Debian Wheezy
CPU:  Intel(R) Xeon(R) CPU E5-1620 v2 @ 3.70GHz quad core on the host
      virtualization is OpenVZ so we don't know how much is dedicated
to us
Network speed: 100mbps port, but bandiwdth throttled by provider to 5mbps
CPU usage: 10% to 30%
Cost: 7 euros per month, but we took it for 1 year and paid 70 euros per
year.

We additionally run 21 obfuscated 100mbit obfuscated bridges (do you
want info on these too?)

Regards,
Thomas White

On 25/09/2014 08:21, Mike Perry wrote:
> I really need identity fingerprints to see how much traffic your
> node is actually pushing, what its consensus weight is, when and
> how often it is hibernating, if it is otherwise strangely rate
> limited, etc.
> 
> Kees Goossens:
>> Hello Perry. 5 TB/month for 20 euro/month at transip in the NL. I
>> run a non-exit relay there. (Thinking about making it an exit.) 
>> Kees
>> 
>> -- Kees on the move
>> 
>>> On 25 Sep 2014, at 03:03, Mike Perry <mikeperry at torproject.org>
>>> wrote:
>>> 
>>> Moritz Bartl:
>>>> Prices vary widely across different countries. We pay between
>>>> $400 and $1500 per Gbit/s per month in "popular and cheap
>>>> locations". In a scenario where we want to grow the network
>>>> and at least keep the current geographical diversity (or even
>>>> grow it), we'd have to at least equally strengthen less
>>>> fortunate locations.
>>> 
>>> Right. With just one or two identity fingerprints, I can give
>>> an estimate on the minimum cost to build an equivalent Tor
>>> network with the same capacity, as I have already done. This is
>>> not very interesting, though, as you point out.
>>> 
>>> But with just one or two good example identity fingerprints
>>> (with pricing) in key locations, I can tell us how much
>>> investment it would take to build the Tor network with the
>>> diversity we want, using our current load balancing and network
>>> load.
>>> 
>>> In other words, I can easily calculate what it would cost to
>>> ensure that the network path selection was made up of W% of RU,
>>> X% of US relays, Y% of EU relays, Z% of JP relays, etc etc.
>>> 
>>> With many more datapoints I can tell us how much the current
>>> Tor network actually costs with its current diversity, but I
>>> think that is actually less interesting, unless we wanted to be
>>> able to make assumptions like "As soon as we start paying
>>> people for bandwidth, all of (or X% of) our volunteers will
>>> instantly disappear" (which seems unlikely to me, but others
>>> think is a realistic concern).
>>> 
>>> *But* In order to do any of this, I need specific identity
>>> fingerprints and prices to do that calculation first. Again, I
>>> want to extrapolate from real relays, using our current load
>>> balancing.
>>> 
>>> So far only two people have given me identity fingerprints with
>>> actual pricing information. I need way more.
>>> 
>>> 
>>> -- Mike Perry _______________________________________________ 
>>> tor-relays mailing list tor-relays at lists.torproject.org 
>>> https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays
>>
>>> 
_______________________________________________
>> tor-relays mailing list tor-relays at lists.torproject.org 
>> https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays
> 
> 
> 
> _______________________________________________ tor-relays mailing
> list tor-relays at lists.torproject.org 
> https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays
> 
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.22 (MingW32)
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=BHxG
-----END PGP SIGNATURE-----