Us, hosting provider, really want to have IPv6, as more and more, customers are asking for it. There really is an ongoing effort to support ipv6 on our side (I mean in general, I'm not talking about my company specifically...). Unfortunately, it's quire rare to find some upstream network providers that have a full dual-stack network, and often, the only way is to use some tunnel brokers, which isn't ideal.
Just to give an example, here's our own situation, which I believe is quite representative of what is happening. Out of 10 locations we are in, only one has (partial) support for ipv6 (I say partial because, even if the ipv6 connectivity works, the autoconfiguration doesn't). In 4 other places we had to setup a tunnel, which really, is counter productive. 3 providers said that they are working on it, but don't have support for it yet, and out of these 3, only 1 announced an ETA (for next September).
All this really IS silly. It isn't that hard, it only needs everyone to make the effort of configuring the equipment for it. Only very old crappy hardware wont support it, and as much as I could see, every hardware we have does have support for it (even older switches). We all don't want to WAIT for it, we want IPv6 NOW. There's so many new things we can do, and it so comfortable to have so many IP addresses to use. We all have billions of them, it feels so great.
As for the other side of the network, at customer level, we see all kinds of ISP. One that we have to underscore, is the French provider called "free". It's been YEARS that they support IPv6, and they have been for a long long time the company in the world with the biggest IPv6 traffic (this has changed recently).
On some countries, we have very unexpected issues. For example, in China, the reason why they don't do IPv6 is ... because their great firewall don't support it yet! But lucky, they are working on deploying IPv6 on their core network already.
Does other have similar stories? I'd be happy to hear about them, and see what is the situation of other hosts.
P.S: As a side note, I'm also thinking about having our own sites be ready for IPv6 day!
GPLHost:>_ open source hosting worldwide (I'm founder, CEO & official Debian Developer)
Servers & our leading control panel and our Xen VPS hosting, which are already included in Debian and Ubuntu
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We just finished activating IPv6 across all our nodes, although it's a shame OpenVZ/venet doesn't support it fully, and SolusVM doesn't support veth (presumably because it's less secure, let's hope venet can be made fully compatible).