That used to be true, due to a lack of ASIC/FPGA acceleration for IPv6
packets, forcing them to go through the control plane. I would hope that
most, if not all vendors now do hardware switching for IPv6 on anything
build in the last 10 years.
On Thu, 14 Jul 2022 at 09:16, Juha Saarinen
Anecdotally, I’m hearing that some smaller ISPs don’t run IPv6 on their networks because it kills performance for their customers.
Doesn’t seem like the right way to fix the issue, but small budgets etc.
– Juha Saarinen https://twitter.com/juhasaarinen
On 14/07/2022, at 08:52, Matt Brown
wrote: Globally https://www.google.com/intl/en/ipv6/statistics.html shows steady growth, and just passed the 40% native IPV6 mark. It's slow but steady progress given the enormity of the protocol changes introduced and the lack of backward compatibility.
However https://www.google.com/intl/en/ipv6/statistics.html#tab=per-country-ipv6-ado... does show NZ is lagging the average on only 19% - anecdotally, none of the 3 ISPs I've used recently for various residential connections have made it possible to get IPv6 - Starlink did for a few months initially, but then it disappeared when they moved to their NZ routed ranges :(
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