European ISP enables IPv6 for all?

Kevin Oberman oberman at
Wed Dec 19 16:51:13 UTC 2007

> Date: Wed, 19 Dec 2007 13:28:35 +0100
> From: Jeroen Massar <jeroen at>
> Sender: owner-nanog at
> Kevin Oberman wrote:
> [..]
> > Note that sixxs only deals with commercial providers. Many (most?) of
> > the major research and education networks around the globe have done
> > IPv6 in production for years. That includes ESnet, DREN, NREN and
> > Internet2 in the US, CAnet in Canada, Geant/Dante in Europe and a number
> > of national networks in Asia.
> Which is a well know fact and who have quite a limited set of end-sites
> who can actually connect to them, that is why these are not listed.
> Similarly it doesn't list hosting providers either, enabling a colo to
> do IPv6 should be childs play, getting it to the enduser though... ;)

I was not complaining. I just wanted to be sure that people were aware
that thee are a LOT of users (including large numbers of researchers,
educators, and especially students connected to IPv6 capable nets.

> > That said, while we provide IPv6 services
> You provide services and access, but which places are actually enabled
> to use it? That the network is there is one thing, this is the easy
> part, linking up the end-sites is the hard one.

Actually, for ESnet, due to an government mandate, most end sites carry
or very soon will carry IPv6. 

This still does not  mean the  end users are   likely to use it or  that
there will be  much traffic.  The  end sites  tend  to NOT talk to  each
other.  the only exception  is a couple  of research facilities that use
IPv6, but that still amounts to an immeasurably small amount of traffic
over 10G links.

Perhaps the single biggest issue with making web service IPv6 enabled is
that doing so almost invariably leads to a drop in total access due to
brokenness in the IPv6 Internet as well as applications that don't do
the right thing way too often.
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at			Phone: +1 510 486-8634
Key fingerprint:059B 2DDF 031C 9BA3 14A4  EADA 927D EBB3 987B 3751
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