Google IPv6 measurements in Europe appear heading down...
kate at ipv6now.com.au
Thu Nov 6 04:23:31 CET 2014
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):
- with high-IPv6 non-EU (BE left in for comparison):
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 ...?
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
> From: Eric Vyncke <evyncke at cisco.com>
> Date: jeudi 23 octobre 2014 09:38
> To: "ipv6-ops at lists.cluenet.de" <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
> 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
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