Am Freitag, dem 30.05.2025 um 19:38 +0300 schrieb Alexey Berezhnev:
> Dear colleagues,
>
> I would like to critically address several points raised by Mr. Walde
> in his recent message. While the discussion around a fair charging
> model is essential, the arguments presented are technically
> inaccurate, operationally naive, and strategically dangerous for the
> stability of the RIPE NCC ecosystem.
>
>
>
>
> 1. 
> “IPv6 is cheaper to implement”
>
>
> This claim may be true in controlled, greenfield environments.
> However, it completely disregards the reality of mature, production-
> grade IPv4 infrastructures. For any large-scale operator, IPv6
> deployment entails:
>
>  * hardware and software upgrades,
>  * dual-stack maintenance,
>  * reworking ACLs, DPI, logging systems, and monitoring
> infrastructure,
>  * and additional training, testing, and auditing processes.
>
This is something I do not understand. We are in a field of profession
that is constantly changing. Best practices change, vendors come and
go. Nobody wants you to make the transition within two months, but in
the last 10 years you should have modernize your network completely and
had plenty of time to make it at least v6 ready to do some minor
adjustments.

Sometimes this argument act as designing a network or backbone and
please don't bother me until I am retired.

Our backbone was implemented in 2016 with IPv6 at the main driver and
IPv4 as a suplement. At the moment the backbone is completely replaced
with new hardware.

But I do not think the network operators are the breaking point, it is
the customers who are afraid of IPv6.

Matthias
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