<div dir="ltr">Let me talk a bit about this... :-)<div class="gmail_extra"><br><br><div class="gmail_quote">On 7 July 2014 14:43, Andrew Mann <span dir="ltr"><<a href="mailto:andrew@divvycloud.com" target="_blank">andrew@divvycloud.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr">What's the use case for an IPv6 endpoint? This service is just for instance metadata, so as long as a requirement to support IPv4 is in place, using solely an IPv4 endpoint avoids a number of complexities:<div>
- Which one to try first?</div></div></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr">
<div>- Which one is authoritative?</div></div></blockquote><br class=""><div>Only 1, IPv6 metadata network via link-local (fe80::)...</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div dir="ltr"><div>- Are both required to be present? I.e. can an instance really not have any IPv4 support and expect to work?</div></div></blockquote><div><br></div><div>No.</div><div><br></div><div>Yes, I have tons of IPv6-Only machines, to reach IPv4, I'm using the couple DNS64 + NAT64. I see no use for IPv4 anymore... IPv4 can be deployed only at the border (i.e. as a legacy Floating IPv4 using NAT46)...</div>
<div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><div>- I'd presume the IPv6 endpoint would have to be link-local scope? Would that mean that each subnet would need a compute metadata endpoint?</div>
</div></blockquote><div><br></div><div>Good question... Apparently, IPv6 Link-Local fe80:: is the equivalent of 169.254 in IPv4 world...</div><div><br></div><div>Just my two bitcents... ;-)</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div dir="ltr">
</div><div class="gmail_extra"><div><div class="h5"><br><br><div class="gmail_quote">On Mon, Jul 7, 2014 at 12:28 PM, Vishvananda Ishaya <span dir="ltr"><<a href="mailto:vishvananda@gmail.com" target="_blank">vishvananda@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">I haven’t heard of anyone addressing this, but it seems useful.<br>
<br>
Vish<br>
<div><div><br>
On Jul 7, 2014, at 9:15 AM, Nir Yechiel <<a href="mailto:nyechiel@redhat.com" target="_blank">nyechiel@redhat.com</a>> wrote:<br>
<br>
> AFAIK, the cloud-init metadata service can currently be accessed only by sending a request to <a href="http://169.254.169.254" target="_blank">http://169.254.169.254</a>, and no IPv6 equivalent is currently implemented. Does anyone working on this or tried to address this before?<br>
><br>
> Thanks,<br>
> Nir<br>
><br>
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<br></blockquote></div><br><br clear="all"><div><br></div></div></div><span class=""><font color="#888888">-- <br><div dir="ltr">Andrew Mann<div>DivvyCloud Inc.</div><div><a href="http://www.divvycloud.com" target="_blank">www.divvycloud.com</a></div>
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