[blog] no ipv6 2021? not acceptable

content/u/blog/no-ipv6-in-2021-not-acceptable/contents.lr

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+title: No IPv6 in 2021? Not acceptable.
+---
+pub_date: 2021-01-09
+---
+author: Nico Schottelius
+---
+twitter_handle: NicoSchottelius
+---
+_hidden: no
+---
+_discoverable: yes
+---
+abstract:
+Time is over for legacy-only-IP services.
+---
+body:
+
+It's 2021 and it's time to stop using legacy IP (IPv4) only
+services. In 2020 we have already seen quite a rise in IPv6
+connectivity, as well as more and more services emerging IPv6 only.
+
+## The IPv6 community is very active
+
+The IPv6 community has reported many bugs to products like
+[Steam from
+Valve](https://github.com/ValveSoftware/steam-for-linux/issues/3372),
+[Dockerhub](https://github.com/docker/roadmap/issues/89) and so many
+more that it was not possible for me to list them all in this article.
+
+As a matter of fact, websites or services that have degraded or
+non-existing IPv6 connectivity [are reported daily on
+Twitter](https://twitter.com/search?q=%23ipv6).
+
+## Time to move on
+
+As I can see it from the work at ungleich, 2020 was a very active year
+when it comes to IPv6. But at some point, services that don't work
+with IPv6 are simply not worth caring about anymore.
+
+While IPv6 [has been defined in
+1998](https://tools.ietf.org/html/rfc2460), it is clear that vendors
+and providers need some time to adapt. But 23 years should have been
+more than enough to migrate.
+
+For this reason we want to encourage everyone in 2021 to move on, to
+cut off the old legacy IP applications, services or hardware.
+
+## How to move on?
+
+There are a variety of things everyone of us can do and we have
+collected some easy to take steps.
+
+### Setup networks IPv6 only
+
+For every new network you setup, set it up with IPv6 only. All current
+mobile phones, tablets and operating systems work in IPv6 only
+networks.
+
+### Setup services and applications IPv6 only
+
+If you are an application developer, I suggest to develop your
+application with IPv6 first. And if you setup a new service, configure
+IPv6 first and maybe only.
+
+It's important to understand that setting up something IPv6 only, does
+not mean it will be unreachable from the legacy IP Internet. NAT64 is
+one easy to use technology to solve this problem.
+
+### Abandon legacy only
+
+Whether it's network hardware, applications, Internet providers,
+hosting providers - stop using them if they don't work in IPv6 only
+environments. And let the everyone know that you did so.
+
+While I am not a fan of shaming anyone, it is still important to let
+vendors know that you have moved on because of the lack of
+IPv6. Otherwise the vendor does not know why they are losing
+customers. When you communicate that you abandon a product or service
+because of lacking proper IPv6 support, I recommend to doing so in a
+clear, but respectful way.
+
+### Advocate IPv6 only
+
+To be able to spot bugs and to make life for network operators easier,
+I strongly recommend going IPv6 only. Not dualstack, but simply IPv6
+only. If you deploy NAT64 in IPv6 only networks, you can even create
+reachability in both directions.
+
+Many of us network operators, developers and sysadmins are very good
+in implementing things. However, it is important to share the word.
+
+### Help each other
+
+For about 2 years there is an open, community driven [IPv6
+Chat](https://ipv6.chat). In this chat you can ask others for help,
+ask which alternative products or services to use. Or how to migrate
+to IPv6 only networks. There is also an [IPv6
+reddit](https://www.reddit.com/r/ipv6/) and an [IPv6 group on
+Facebook](https://www.facebook.com/groups/2234775539). Many of the
+RIRs (RIPE, APNIC, Afrinic, LACNIC and ARIN) also offer IPv6 training
+resources.
+
+Migrating to IPv6 is not difficult and there is a community to help
+you with it.
+
+Let's do it, together.