[openstack-dev] Floating IPs and Public IPs are not equivalent
Kevin Benton
kevin at benton.pub
Fri Apr 1 22:02:53 UTC 2016
Or if you don't like floating IPs, it means you can have floating IPs
available to only one tenant you dislike. :)
On Fri, Apr 1, 2016 at 11:39 AM, Monty Taylor <mordred at inaugust.com> wrote:
> On 04/01/2016 12:00 PM, Fox, Kevin M wrote:
>
>> And with external rbac in mitaka, you can finally have private floating
>> ip's. :)
>>
>
> Wha. I mean.
>
> My face. It just fell off.
>
> ------------------------------------------------------------------------
>> *From:* Monty Taylor
>> *Sent:* Thursday, March 31, 2016 10:23:22 AM
>> *To:* OpenStack Development Mailing List (not for usage questions)
>> *Subject:* [openstack-dev] Floating IPs and Public IPs are not equivalent
>>
>>
>> Just a friendly reminder to everyone - floating IPs are not synonymous
>> with Public IPs in OpenStack.
>>
>> The most common (and growing, thank you to the beta of the new
>> Dreamcompute cloud) configuration for Public Clouds is directly assign
>> public IPs to VMs without requiring a user to create a floating IP.
>>
>> I have heard that the require-floating-ip model is very common for
>> private clouds. While I find that even stranger, as the need to run NAT
>> inside of another NAT is bizarre, it is what it is.
>>
>> Both models are common enough that pretty much anything that wants to
>> consume OpenStack VMs needs to account for both possibilities.
>>
>> It would be really great if we could get the default config in devstack
>> to be to have a shared direct-attached network that can also have a
>> router attached to it and provider floating ips, since that scenario
>> actually allows interacting with both models (and is actually the most
>> common config across the OpenStack public clouds)
>>
>> Monty
>>
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>
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