understanding IPv6 (was: Re: QUIC traffic throttled on AT&T residential)

Daniel Sterling sterling.daniel at gmail.com
Sat Jun 6 15:13:24 UTC 2020

On Wed, Feb 19, 2020 at 7:51 PM Mark Andrews <marka at isc.org> wrote:
> > I have nothing against using
> > v6 -- , I must admit the truth is I have no idea how to make ubuntu
> > acquire a v6 -- address? block ? I don't even know the right term --
> > from uverse.
> It should just be a DHCPv6 PREFIX DELEGATION (PD).  See RFC 8415.

Mark -- thank you so much for this information.

Knowing that I needed to understand something called "DHCP PD" was the
most valuable thing I've learned about ipv6 in the past decade.

At $WORK we don't use v6 at all. (Fortune 500 company; I can deploy v6
as much as I want on the segments I control, but the larger company
does nothing with it.) So while I know how to set up and use ipv4
pretty well, I knew essentially nothing about v6 other than what I'd
read on my own time.

Not knowing how my home ISP equipment even acquired a v6 address (must
less how it handed them out to my home LAN devices) was very
frustrating, and reading about v6 in general was not very enlightening
for me. So this nugget of info -- "DHCP PD" -- was a godsend. By
looking up information related to it I was able to dramatically
increase my understanding of v6.

So again, thank you!

-- Dan

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