Re: Anybody Using IPv6?

Nuno Silva <nunojsilva@invalid.invalid> wrote:

On 2025-05-21, Marc Haber wrote:

Bobbie Sellers <bliss-sf4ever@dslextreme.com> wrote:

IVP6 comes from having too many web sites to fit in IVP4.

>
No. THAT issue has been solved with name-based virtual hosting and
SNI. Which is too bad since it decreases the pressure to get rid of
v4.

>
Here the IPv4 problem is not websites, but hosts/nodes/devices. IPv4
only survives because of NAT.

Yes.

IPv6 seems to make it quite easy to get non-local addresses. At least
when properly deployed.

YES!

¹ I am not saying that IPv6 is the best protocol ever but it's the
best we've got at the moment.

>
What would be a good description/introduction/... in textual form of
IPv6 to introduce people to the way it's intended to be used? Stuff like
mentioning address scopes, RAs, DHCP, multicast...

That is a very hard question. I'd recommend a more practical approach,
but that would need to begin with an ISP who has enabled and deployed
IPv6 in the proper form, so that one gets quick gratification from
just using it.

Sadly, I am not a very good teacher, and IPv6 is one of the topics
where knowledge is actually a handycap: The better you know IPv4, the
harder it is to begin with IPv6 because you'll find yourself looking
for features that you NEED for IPv4 and where it is not immediately
obvious that you don't need that particular functionality for IPv6.

Having virtualization available would make things easier since you
could build your own lab with a router and a handful of clients. But
that's its own topic to start with.

The most important thing to take away is: Just don't disable it. You
might find yourself using IPv6 without even noticing.

Greetings
Marc
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