Marco There is no point where shareholders will ask 'where is my ipv6 presence' they don't care. Dear Mr shareholder give me 2m dollars for an ipv6 presence. Shareholder what's not working CTO nothing Shareholder, you want 2m $ to fix something that's not broken -- and so we get to turn off what we have now and save a bunch of money.... THIS QUARTER CTO nope Sharholder : your fired. 🙂 And that's exactly why Jamie On Sat., May 2, 2026, 2:39 a.m. Mark Andrews via NANOG, < nanog@lists.nanog.org> wrote:
IPv4 only machines can reach IPv6 machines. It just requires a DNS46 implementation which was done as an experiment years ago and a CLAT with address mappings configured from the DNS46. This is known to not scale well but there are very little truely IPv4 equipment these days. It works on the small scale.
Now it would be nice if people would move to IPv6 sooner rather than later but now it’s mostly getting people to turn it on rather than waiting for equipment to support it. It will get to the stage where shareholders will start asking where is our IPv6 presence? Remember that everyone is paying more for these IPv4 only sites. Your home ISP / cellular provider has to charge you more to provide this backwards compatibility. A line item on the bill would make this clearer. Big ISPs aren’t turning off IPv6. They are turning off IPv4 towards the customer leaving IPv4 to be delivered via IPv4AAS.
-- Mark Andrews
On 2 May 2026, at 14:55, Marco Moock via NANOG <nanog@lists.nanog.org> wrote:
Am 02.05.26 um 05:13 schrieb Jamie Thain via NANOG:
The issue is for corporate and the cloud, IPv6 is just as broken as IPv4. And no corporate is migrating go look. Its been the next big thing in Corporate networks for 20 years.
If they are not willing to upgrade, they are also not willing to implement any other new protocol, as this always means that IPv4 only machines need to be changed, as you cannot make them able to reach non IPv4 machines without modifying them.
All of that stuff has being discussed many times...
-- Gruß Marco
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