AWS Elastic IP architecture

Sun May 31 16:01:34 UTC 2015

Disagree, and so does AWS.  IPv6 has a huge utility:  being a universal,
inter-region management network (a network that unites traffic between
regions on public and private netblocks).   Plus, at least the CDN and ELBs
should be dual-stack, since more and more ISPs are turning on IPv6.

On Sun, May 31, 2015 at 8:40 AM, Owen DeLong <owen at delong.com> wrote:

> I wasn’t being specific about VPC vs. Classic.
>
> The support for IPv6 in Classic is extremely limited and basically useless
> for 99+% of applications.
>
> I would argue that there is, therefore, effectively no meaningful support
> for IPv6 in AWS, period.
>
> What you describe below seems to me that it would only make the situation
> I described worse, not better in the VPC world.
>
> Owen
>
> > On May 31, 2015, at 4:23 AM, Andras Toth <diosbejgli at gmail.com> wrote:
> >
> > Congratulations for missing the point Matt, when I sent my email
> > (which by the way went for moderation) there wasn't a discussion about
> > Classic vs VPC yet. The discussion was "no ipv6 in AWS" which is not
> > true as I mentioned in my previous email. I did not state it works
> > everywhere, but it does work.
> >
> > In fact as Owen mentioned the following, I assumed he is talking about
> > Classic because this statement is only true there. In VPC you can
> > define your own IP subnets and it can overlap with other customers, so
> > basically everyone can have their own 10.0.0.0/24 for example.
> > "They are known to be running multiple copies of RFC-1918 in disparate
> > localities already. In terms of scale, modulo the nightmare that must
> > make of their management network and the fragility of what happens
> > when company A in datacenter A wants to talk to company A in
> > datacenter B and they both have the same 10-NET addresses"
> >
> > Andras
> >
> >
> > On Sun, May 31, 2015 at 7:18 PM, Matt Palmer <mpalmer at hezmatt.org>
> wrote:
> >> On Sun, May 31, 2015 at 01:38:05AM +1000, Andras Toth wrote:
> >>> Perhaps if that energy which was spent on raging, instead was spent on
> >>> a Google search, then all those words would've been unnecessary.
> >>>
> >>> Official documentation:
> >>>
> http://docs.aws.amazon.com/ElasticLoadBalancing/latest/DeveloperGuide/elb-internet-facing-load-balancers.html#internet-facing-ip-addresses
> >>
> >> Congratulations, you've managed to find exactly the same info as Owen
> >> already covered:
> >>
> >> "Load balancers in a VPC support IPv4 addresses only."
> >>
> >> and
> >>
> >> "Load balancers in EC2-Classic support both IPv4 and IPv6 addresses."
> >>
> >> - Matt
> >>
>
>