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.
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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