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**Ticket**: [[!tails_ticket 7161]]

[[!toc levels=3]]

# The plan

See the corresponding [[design document|contribute/design/mirrors]].

<a id="speed"></a>

# Speed

This is mainly for [[!tails_ticket 10295]]. We keep this information
around because it provides potentially useful data wrt. the reasons
why we picked some mirrors, but not others, for the fallback DNS pool.

## Fast & reliable enough mirrors

i.e. those that I've seen provide good speed and that have had no
reliability issue in the last N months.

Note: measurements done from lizard are capped to 100Mbps due to
upstream network configuration, so they can barely be used to reliably
compare those fast mirrors with each other. For measurements done from
Germany, upstream network should not be the limiting factor for most
practical purposes here.

* 5.45.108.219 aka https://tails.mirror.metalgamer.eu/tails/ (Germany):
  - one glitch in August, 2016
  - from lizard: 8.21 MB/s, 6.87 MB/s, 7.48 MB/s
  - from D.C.: 10.1 MB/s, 9.84 MB/s, 10.1 MB/s
  - from Germany: 37.7 MB/s, 43.4 MB/s, 37.2 MB/s
  - from France: avg. 21.1 MB/s, stdev 4.1 MB/s
  - from Netherlands: 50.4 MB/s, 41.3 MB/s, 43.7 MB/s
* 85.93.216.116 aka https://tails.c3l.lu/tails/ (Luxembourg):
  - from lizard: 6.58 MB/s, 6.72 MB/s, 3.73 MB/s, 5.52 MB/s, 2.97 MB/s, 5.31 MB/s, 4.46 MB/s, 4.50 MB/s, 3.15 MB/s
  - from D.C.: 8.76 MB/s, 8.82 MB/s, 9.51 MB/s
  - from Germany: 34.7 MB/s, 34.9 MB/s, 31.3 MB/s
  - from France: avg. 14.5 MB/s, stdev 3.4 MB/s
  - from Netherlands: 54.0 MB/s, 52.7 MB/s, 51.7 MB/s
* 195.154.14.189 aka https://16.dl.amnesia.boum.org/tails/ (France):
  - being moved to another IP (163.172.39.92 aka https://28.dl.amnesia.boum.org/tails/)
    so we're not adding it yet
  - from lizard: 5.08 MB/s, 5.25 MB/s, 6.26 MB/s, 6.33 MB/s, 6.17 MB/s
  - from D.C.: 4.65 MB/s, 7.21 MB/s, 7.01 MB/s
  - from Germany: 22.4 MB/s, 21.6 MB/s, 22.6 MB/s
  - from France: avg. 25.4 MB/s, stdev. 1.5 MB/s
  - from Netherlands: 17.2 MB/s, 17.5 MB/s, 18.4 MB/s
* 5.104.106.180 aka https://dl2.crypto-rebels.de/tails/ (Germany):
  - from lizard: 7.08 MB/s, 5.23 MB/s, 5.46 MB/s, 5.09 MB/s, 4.45 MB/s, 5.72 MB/s
  - from D.C.: 7.58 MB/s, 7.98 MB/s, 7.09 MB/s
  - from Germany (from the same network): 24.6 MB/s, 17.6 MB/s, 18.4 MB/s
  - from France: avg. 15.7 MB/s, stdev. 2.1 MB/s
  - from Netherlands: 38.0 MB/s, 37.9 MB/s
* 212.110.161.69 aka http://mirror.bytemark.co.uk/tails/ (UK):
  - from lizard: 5.31 MB/s, 6.62 MB/s, 4.61 MB/s, 6.70 MB/s, 6.34 MB/s, 6.26 MB/s
  - from D.C.: 7.65 MB/s, 6.68 MB/s, 7.57 MB/s
  - from Germany: 15.5 MB/s, 17.1 MB/s, 16.1 MB/s
  - from France: avg. 10.4 MB/s, stdev. 2.7 MB/s
  - from Netherlands: 25.2 MB/s, 66.3 MB/s, 43.9 MB/s
- 198.145.20.143 and 149.20.37.36, aka mirrors.kernel.org
- 208.80.154.15 aka mirrors.wikimedia.org

## Too slow mirrors

* 62.201.161.88 aka http://tails.mirror.iphh.net/tails/ (Germany):
  - from lizard: 2.67 MB/s, 1.84MB/s, 1.82MB/s, 2.44MB/s
  - from Germany: 56.7MB/s, 32.1MB/s, 13.7MB/s
  - from France: avg. 11.6 MB/s, stdev 3.7 MB/s
* 178.217.184.32 aka https://tails.uk.to/tails/ (Poland):
  - from lizard: 4.96 MB/s, 4.96 MB/s
  - from Germany: 17.1 MB/s, 18.9 MB/s, 16.7 MB/s
  - from France: avg. 8.5 MB/s, stdev 2.1 MB/s
* 176.9.38.37:
  - from lizard: 2.81 MB/s, 2.74MB/s, 3.05MB/s, 2.74MB/s
  - from Germany: 43.0MB/s, 22.1MB/s, 7.41MB/s
  - from France: avg. 11.7 MB/s, stdev 2.6 MB/s
* 195.154.188.146: 3.69 MB/s
* 83.212.104.246:
  - from lizard: 3.90 MB/s
  - from France: avg. 4.8 MB/s, stdev 2.4 MB/s
* 188.138.127.35 aka https://tails.bl0m.de/tails/: perf. varies too much
* 45.33.79.99
  - from France: avg. 4.3 MB/s, stdev 0.6 MB/s
* 80.241.222.98 aka http://dl3.crypto-rebels.de/tails/ (Germany):
  - from lizard: 9.18 MB/s, 3.90 MB/s, 6.62 MB/s
  - from Germany: 7.83 MB/s, 8.00 MB/s, 7.54 MB/s
* 213.136.84.245 aka https://dl1.crypto-rebels.de/tails/ (Germany):
  - from lizard: 7.10 MB/s, 8.46 MB/s
  - from Germany: 9.74 MB/s, 7.99 MB/s, 7.60 MB/s
  - from France: avg. 6.5 MB/s, stdev. 2.4 MB/s
* 81.7.10.29 aka https://tails.ybti.net/tails/ (Germany):
  - from lizard: 6.28 MB/s, 5.17 MB/s, 5.26 MB/s
  - from Germany: 7.92 MB/s, 6.04 MB/s, 6.92 MB/s
  - from France: avg. 5.2 MB/s, stdev 1.5 MB/s
* 96.126.119.95 aka https://tails.interpipe.net/tails/ (USA):
  - from lizard: 6.10 MB/s, 7.04 MB/s
  - from Germany: 4.99 MB/s, 4.62 MB/s, 4.59 MB/s
  - from France: avg. 3.5 MB/s, stdev 0.1 MB/s
* 5.135.66.221 aka http://24.dl.amnesia.boum.org/tails/ (France):
  - from lizard: 3.27MB/s, 2.77MB/s, 2.89MB/s
  - from Germany: 6.22MB/s, 6.93MB/s, 5.05MB/s
  - from France: avg. 10.2 MB/s, stdev 1.7 MB/s
* 151.80.190.129 (France):
  - from lizard: 2.69MB/s, 1.24MB/s, 1.27MB/s
  - from Germany: 2.40MB/s, 2.60MB/s, 4.42MB/s
  - from France: avg. 7.0 MB/s, stdev 0.6 MB/s
* 158.36.190.173 (Norway):
  - from lizard: 3.17MB/s, 3.44MB/s, 2.44MB/s
  - from Germany: 24.4MB/s, 23.1MB/s, 23.5MB/s
  - from France: avg. 7.0 MB/s, stdev 1.1 MB/s
* 192.42.116.116 aka http://192.42.116.116/tails/ (Netherlands):
  - from lizard: 4.36 MB/s, 6.45 MB/s, 5.94 MB/s, 6.53 MB/s
  - from D.C.: 3.72 MB/s, 2.80 MB/s, 2.86 MB/s
  - from Germany: 45.0 MB/s, 45.5 MB/s, 38.0 MB/s
  - from France: avg. 16.8 MB/s, stdev 2.0 MB/s
  - from Netherlands: 89 MB/s, 94.8 MB/s, 88.0 MB/s
* 141.138.141.28 aka http://25.dl.amnesia.boum.org/tails/ (Netherlands):
  - from lizard: 3.35MB/s, 9.07MB/s, 6.00MB/s, 5.35 MB/s, 4.74 MB/s, 3.97 MB/s
  - from D.C.: 5.82 MB/s, 6.37 MB/s, 7.13 MB/s
  - from Germany: 16.7MB/s, 27.9MB/s, 24.5MB/s
  - from France: avg. 11.9 MB/s, stdev 2.3 MB/s
  - from Netherlands: 21.5 MB/s, 21.9 MB/s, 23.3 MB/s

## Inadequate mirrors for other reason

* https://mirrors.ocf.berkeley.edu/tails/ (California): lacks dl.a.b.o vhost

## Not reliable enough mirrors

i.e. mirrors that have had issues at least once in the last 6 months;
let's not include them in the fallback DNS pool:

* 5.196.175.179
* 77.70.69.9
  - from France: avg. 0.3 MB/s, stdev 0.1 MB/s ⇒ **TODO** remove from the pool?
* 80.90.43.162
* 84.106.196.237
* 86.59.119.84
* 109.239.48.152
* 137.226.34.46:
  - from lizard: 798 KB/s, 9.80MB/s, 2.08MB/s, 1.37MB/s
     connection closes in the middle of the download pretty often
  - from Germany: 8.73MB/s, 10.4MB/s, 12.2MB/s
  - from France: avg. 11.1 MB/s, stdev 2.5 MB/s
* 141.138.136.78
* 144.76.14.145
* 149.202.98.175
* 178.32.220.171
* 192.99.131.144
* 198.199.103.96
* 212.47.229.219

# Initial research

See [[HTTP_mirror_pool/archive]].