[142820] in North American Network Operators' Group
Re: Anybody can participate in the IETF (Was: Why is IPv6 broken?)
daemon@ATHENA.MIT.EDU (Mark Andrews)
Thu Jul 14 00:17:53 2011
To: Joel Jaeggli <joelja@bogus.com>
From: Mark Andrews <marka@isc.org>
In-reply-to: Your message of "Tue, 12 Jul 2011 23:22:20 MST."
<430FFF20-43ED-45BB-846D-FEE8769FC399@bogus.com>
Date: Thu, 14 Jul 2011 14:16:56 +1000
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
In message <430FFF20-43ED-45BB-846D-FEE8769FC399@bogus.com>, Joel Jaeggli write
s:
>
> On Jul 12, 2011, at 10:59 PM, Mark Andrews wrote:
> >=20
> > I didn't claim it would work with existing CPE equipment. Declaring
> > 6to4 historic won't work with existing CPE equipment either.
>
> If the hosts behind it stop using 2002::/16 addresses as a product of a =
> software update which seems rather more likely (also there some evidence =
> for that), it will. that said yes one assumption is that you have to =
> continue to support it.
When you switch the source address preference from 2002::/16 to
IPv4 you loose insight into which machines have 2002::/16 addresses
still without explict testing.
> <snip>
>
> >> It is really hard to justify the expansion and deployment of new =
> relays =3D
> >> when in fact tunneled traffic can be observed to be on the decline =3D
> >> (possibly because devices particularly hosts that do receive regular =
> =3D
> >> updates receive tweaks to their address selection algorithm).
> >> =3D
> >> =
> http://asert.arbornetworks.com/2011/04/six-months-six-providers-and-ipv6/
> >=20
> > Which may or may not be a short term dip.
>
> correlation is not causation but...
>
> =
> http://arstechnica.com/apple/news/2010/11/apple-fixes-broken-ipv6-by-break=
> ing-it-some-more.ars
>
> > We are yet to see much in the
> > way of IPv6 only content. When that appears, which it will, the =
> tunneled
> > traffic will go up unless ISPs have deployed native IPv6 to all =
> customers.
> > Are you willing to bet on which will happen first?
>
> I'm willing to bet that subpar experience due to auto-tunneling is =
> considered a liability for content providers.
>
> > This whole area is in a state of flux.
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka@isc.org
