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<p>I see a great benefit here, you could default to IPv6 for
everything and enable IPv4 only as fallback that would allow to
run Relays behind carrier grade NAT. I can get here 10 GBit/s
symmetric but because the ISP did not get it's IP space 30 years
ago (like some other ISPs which see no need for IPv6) it does have
much more customers than IPv4 addresses, so running a Relay is not
possible. And this trend will not shift back, you will see more
and more ISPs which won't offer a public IPv4 address, simply
because they can't get more IPv4 space. You see that even on the
VServer market today where you can get very cheap Servers with a
/64 but every IPv4 costs extra.</p>
<p>So loosing some relays which really can't enable IPv6 is for me
worth the trade off for many high speed relays which could finally
join the network.<br>
</p>
<div class="moz-cite-prefix">On 16.12.2019 12:25, Jonathan Sélea
wrote:<br>
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<p>I am unable to see why this is a good idea actually.<br>
As someone said already, I too would be unable to provide
bridges and relays thanks to my ISP (Telia) does not provide an
IPv6.<br>
But removing IPv4 only nodes from the network - you are
basically removing a large chunk of relays from the network
without any real reason.<br>
</p>
<p><br>
</p>
<div class="moz-cite-prefix">On 12/12/2019 5:49 PM, NOC wrote:<br>
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<p>Great,</p>
<p>than lets drop all IPv4 only relays from consensus 2020
finally.</p>
<p>P.S. whitelist me so it doesn't take days till my emails
appear on the mailing list.</p>
<p>Thank you<br>
</p>
<div class="moz-cite-prefix">On 11.12.2019 03:20, teor wrote:<br>
</div>
<blockquote type="cite"
cite="mid:E3F91B59-A17C-421E-91E3-64FE243725B6@riseup.net">
<pre class="moz-quote-pre" wrap="">Dear relay operators,
I just wanted to let you know that RIPE has announced funding for The
Tor Project to improve IPv6 support on relays. (RIPE is the European
internet infrastructure organisation.)
<a class="moz-txt-link-freetext" href="https://www.ripe.net/support/cpf/funding-recipients-2019" moz-do-not-send="true">https://www.ripe.net/support/cpf/funding-recipients-2019</a>
We'll have more details early in 2020, when we've worked out an
implementation plan and a start time.
Thanks for your patience with our current IPv6 support. And thanks
to all those volunteer coders who have worked hard to get us this far.
T
--
teor
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