[arin-ppml] Effect of ARIN's Letters

John Santos JOHN at egh.com
Fri May 1 05:29:05 EDT 2009

On Fri, 1 May 2009 michael.dillon at bt.com wrote:

> > I don't think it's realistic to expect to run V6 only 
> > webservers,
> Sure it is. Either install your own 6to4 relay so that v4
> users can access it, or set up web proxy servers that 
> mediate between v4 and v6. It is quite realistic to use
> pure v6 web servers today.

Totally irrelevent to the topic at hand.  Either way, you
still need a static, routable, externally visible IPv4
address for your web server.

> Google does something like this, but not with v6. They
> have a proprietary protocol that is used internally in
> their data centres, and it is only the front end servers
> that speak IPv4 or IPv6.
> And let's get really realistic here. If you sit around thinking
> up reasons why you can't use IPv6 anywhere today, then when
> you need to get v6 turned on you will not have any experience.
> And you won't be able to buy in that experience because there
> will be a shortage of experienced people. The wise move is to
> start using v6 today, wherever you can.

This isn't a reason why you *can't* use IPv6.  It is a reason
why you *have to* use IPv4 as well.

> Don't assume that something will not work. Set it up, try it
> and find out specifically what does not work and why. Then chase
> the vendors to get that problem fixed. Rinse, repeat, and become
> an IPv6 expert in the process.
> >  We are all going to be running v4 and v6 in 
> > parallel for quite some time.
> Why parallel? If you haven't actually deployed IPv6 and tested
> it, then how do you know that running v6 and v4 in parallel is
> the right way to go? You don't.
> >  What we need to do is get V6 
> > and V4 talking with each other, which would make it easy to 
> > turn new customers up on V6 only, and leave existing 
> > customers on V4, for now.  The cost savings and ease of 
> > transition would be orders of magnitude better with this model.
> Exactly! You need to get off your butt and set up 6to4 relays,
> Teredo servers, NAT-PT boxes, and get testing. The technology is
> there <http://www.getipv6.info>, now go out and figure out how
> to best make it work in your network infrastructure.
> Most of the big ISPs are doing exactly that, even with selected 
> customers on IPv6 because there are a lot of large companies that
> are also testing and trialing IPv6 internally.
> --Michael Dillon

John Santos
Evans Griffiths & Hart, Inc.
781-861-0670 ext 539

More information about the ARIN-PPML mailing list