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

2020-06-07 Thread Daniel Sterling
On Sun, Jun 7, 2020 at 2:00 AM Fred Baker  wrote:
> I'm sorry you have chosen to ignore documents like RFC 3315, which is where 
> DHCP PD was first described (in 2003). It's not like anyone's hiding it.

I am sorry as well!

I openly admit I am not the smartest bear in the woods. I struggle to
read through RFCs. Researching IPv6 for me means doing a web search
for "what ipv6 halp", to which google frustratingly returns: No
results found for "what ipv6 halp".

In all seriousness, I have been trying to understand IPv6 for a long
time, and the documentation that I read (again, admittedly not often
RFCs, but certainly Wikipedia, linux distro docs, etc) never mentioned
DHCP PD, or at least never mentioned it as something important for how
end-users would use IPv6.

So while it may be true that no one is hiding this information, in my
experience no one is shining a spot light on it either, and until I
was told about it, I was simply unable to understand IPv6.

Once we know something we can forget that everyone else doesn't know
that same information, and figuring out what inexperienced people need
to know to understand a topic can be difficult. So I am offering to
the community that "DHCP PD" is such a thing: it's something that
everyone who already knows how things works takes for granted.

So when someone points me in the right direction by mentioning such an
important piece of the puzzle, I am genuinely grateful!

-- Dan


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

2020-06-06 Thread Daniel Sterling
On Wed, Feb 19, 2020 at 7:51 PM Mark Andrews  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