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Right, it depends on your perspective of who 'owns' the API. Is it
cloud-init or EC2?

At this point I would argue that cloud-init is in control because it would
be a large undertaking to switch all of the AMI's on Amazon to something
else. However, I know Sean disagrees with me on this point so I'll let him
reply here.


On Thu, Sep 3, 2015 at 4:03 PM, Fox, Kevin M <Kevin.Fox at pnnl.gov> wrote:

> So if we define the well known address and cloud-init adopts it, then
> Amazon should be inclined to adopt it too. :)
>
> Why always chase Amazon?
>
> Thanks,
> Kevin
> ________________________________________
> From: Steve Gordon [sgordon at redhat.com]
> Sent: Thursday, September 03, 2015 11:06 AM
> To: Kevin Benton
> Cc: OpenStack Development Mailing List (not for usage questions); PAUL
> CARVER
> Subject: Re: [openstack-dev] [Neutron] cloud-init IPv6 support
>
> ----- Original Message -----
> > From: "Kevin Benton" <blak111 at gmail.com>
> >
> > When we discussed this before on the neutron channel, I thought it was
> > because cloud-init doesn't support IPv6. We had wasted quite a bit of
> time
> > talking about adding support to our metadata service because I was under
> > the impression that cloud-init already did support IPv6.
> >
> > IIRC, the argument against adding IPv6 support to cloud-init was that it
> > might be incompatible with how AWS chooses to implement IPv6 metadata, so
> > AWS would require a fork or other incompatible alternative to cloud-init
> in
> > all of their images.
> >
> > Is that right?
>
> That's certainly my understanding of the status quo, I was enquiring
> primarily to check it was still accurate.
>
> -Steve
>
> > On Thu, Sep 3, 2015 at 7:30 AM, Sean M. Collins <sean at coreitpro.com>
> wrote:
> >
> > > It's not a case of cloud-init supporting IPv6 - The Amazon EC2 metadata
> > > API defines transport level details about the API - and currently only
> > > defines a well known IPv4 link local address to connect to. No well
> known
> > > link local IPv6 address has been defined.
> > >
> > > I usually recommend config-drive for IPv6 enabled clouds due to this.
> > > --
> > > Sent from my Android device with K-9 Mail. Please excuse my brevity.
> > >
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> > >
>
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-- 
Kevin Benton
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