nanog mailing list archives

Re: IPv4 shutdown in mobile


From: Andrew Kirch <trelane () trelane net>
Date: Tue, 22 Dec 2015 14:04:31 -0500

I wonder if Tmobile realizes that when you sign up for a contract with
them using one of their phones as a wifi hotspot, the address of their
enterprise NAT is what's recorded by their form.  They even make you
check a button to accept their lack of security.

Not that that could result in massive fraud or anything.  Not that
massive fraud is a problem for Tmobile either come to think of it.


On Tue, Dec 22, 2015 at 1:13 PM, Owen DeLong <owen () delong com> wrote:
Yet until Apple gets to that IPv6-only stage, you’re refusing to support IPv6 for those of us
that need it today even while we still need IPv4, too.

Owen

On Dec 22, 2015, at 10:08 , Ca By <cb.list6 () gmail com> wrote:



On Tuesday, December 22, 2015, Owen DeLong <owen () delong com <mailto:owen () delong com>> wrote:
Does this mean you are negligent for not supporting IPv6 on my phone on your network?

My phone is perfectly capable of IPv6, yet because it doesn’t support your particular religion
about IPv4 translation, you refuse to support IPv6 on it.

When is T-Mobile going to fix their IPv6 implementation and stop ignoring the #1 market
leading phone manufacturer?

Owen


Apple has an ipv6-only plan in the link above. They have committed to remove the ipv4 dependent apps from the app 
store. Once the ipv4-only apps are bannished, i dont see any roadblocks for ipv6 on iPhone.

While you say there is a religious war, i am saying Apple outlined a plan for ipv6-only and T-Mobile is likely to 
follow that plan from Apple.

CB


On Dec 22, 2015, at 04:45 , Ca By <cb.list6 () gmail com <javascript:;>> wrote:

TL;DR version: the data shows you are negligent if your eyeball content
(cdn, cloud, ...) does  not support native ipv6.

With the NAT and IPv4 leasing threads lingering on, i figured it was time
for an update on how the other half live

More than 1/3 of North America mobile traffic to the top websites is end to
end ipv6
http://www.worldipv6launch.org/2015-wrapup-more-than-13-us-mobile-traffic-is-ipv6-and-still-growing/ 
<http://www.worldipv6launch.org/2015-wrapup-more-than-13-us-mobile-traffic-is-ipv6-and-still-growing/>

The trend is clearly growing, and as AT&T and Sprint catch up with T-Mobile
and Verizon, the acceleration to 50% should be easily achieved.
Furthermore, only one mobile carrier has iPhone dual-stacked today (afaik),
but Apple has a plan for banning ipv4-only apps and has delivered the
required features for having ipv6-only iphones in 2016 with these iOS 9.2
features

https://developer.apple.com/library/ios/documentation/NetworkingInternetWeb/Conceptual/NetworkingOverview/UnderstandingandPreparingfortheIPv6Transition/UnderstandingandPreparingfortheIPv6Transition.html
 
<https://developer.apple.com/library/ios/documentation/NetworkingInternetWeb/Conceptual/NetworkingOverview/UnderstandingandPreparingfortheIPv6Transition/UnderstandingandPreparingfortheIPv6Transition.html>

On some mobile providers, ipv6 is already dominant and ipv4 is waning. Once
iPhones updates to ipv6-only as described above, ipv4 will only be a corner
case of operations.  This comes with added benefit that ipv6 is faster :

https://code.facebook.com/posts/1192894270727351/ipv6-it-s-time-to-get-on-board/ 
<https://code.facebook.com/posts/1192894270727351/ipv6-it-s-time-to-get-on-board/>

At least in mobile, the change to ipv6 has been quick and the pace is
increasing -- not just on ipv6 deployment but also on ipv4 shutdown. I know
many people liken ipv6 to "the boy who cried wolf", so be it, the
data shows the ipv6 wolf is here.  Or perhapsin hind   sight, we will see
the right metaphor was "the tortoise and the hare" or "the little engine
that could"... Or even better IPv4 is John Henry.  It was the best in its
time, but times have changed.

CB




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