Google IPv6 measurements in Europe appear heading down...

[Geoff Huston]

Telenor is big in Norway and is now picking up momentum on a deployment:
http://stats.labs.apnic.net/ipv6/AS2119?c=NO&g=&w=10&x=1


Geoff


> On 6 Nov 2014, at 2:23 pm, Kate Lance <kate at ipv6now.com.au> wrote:
> 
> Hi Éric,
> 
> I'm puzzled, not about the recent decline (and now near-recovery) but at the
> odd 'kick' in the stats on Aug 17, mainly for Europe. 
> 
> Compare Belgium and most of the high-IPv6 EU countries (for clarity I left a
> couple out like FR and CH, but they have small kicks as well):
> https://www.vyncke.org/ipv6status/compare.php?metric=p&countries=be,de,lu,ro,cz,no
> 
> - with high-IPv6 non-EU (BE left in for comparison):
> https://www.vyncke.org/ipv6status/compare.php?metric=p&countries=be,us,jp,pe,my
> The US and Peru show small increments too, but certainly not like the EU countries.
> 
> Looking closely, it appears something increased the measurements in Europe a
> little on 13 Aug, then a lot on 17 Aug.  Erik Taraldsen from Telenor Norway
> said they'd been rolling out v6 since summer - but that sounds more gradual
> than a sudden increment in mid-August. Any ideas ...?
> 
> Regards,
> Kate
> 
> 
> On Thu, Oct 23, 2014 at 06:03:42PM +0000, Eric Vyncke (evyncke) wrote:
>>   With the link, it is probably better… still need some caffein
>> 
>>   [1]https://www.vyncke.org/ipv6status/compare.php?metric=p&countries=be,
>>   de,us,lu
>> 
>>   From: Eric Vyncke <[2]evyncke at cisco.com>
>>   Date: jeudi 23 octobre 2014 09:38
>>   To: "[3]ipv6-ops at lists.cluenet.de" <[4]ipv6-ops at lists.cluenet.de>
>>   Subject: Google IPv6 measurements in Europe appear heading down...
>> 
>>   For a couple of weeks, it seems that Google IPv6 measurements are
>>   heading down mainly for Europe. For example, here is a link to a
>>   presentation of the Google measurements for several European countries
>>   and USA. There is a clear drop in the last days/weeks for European
>>   countries but not for USA.
>>   This includes a big drop for my country (BE) :-O and I have checked
>>   with all Belgian ISP and they have no explanation as for them 'business
>>   as usual'. Apnic also does not show such a big drop.
>>   So, I am guessing either a 'bug' in Google measurements infrastructure
>>   in Europe or could it be that the IPv6 latency to Google has increased
>>   a lot so that Happy Eyeball prefers IPv4? Recent measurement of
>>   dual-stack latency to www.google.com from several Belgian ISP gave 10%
>>   slower over IPv6.
>>   Any clue will be welcome
>>   -éric
>> 
>> References
>> 
>>   1. https://www.vyncke.org/ipv6status/compare.php?metric=p&countries=be,de,us,lu
>>   2. mailto:evyncke at cisco.com
>>   3. mailto:ipv6-ops at lists.cluenet.de
>>   4. mailto:ipv6-ops at lists.cluenet.de