[openstack-dev] [Neutron] Segments, subnet types, and IPAM

Brian Haley brian.haley at hpe.com
Thu Mar 31 20:45:29 UTC 2016

On 03/28/2016 07:17 PM, Carl Baldwin wrote:
> On Fri, Mar 11, 2016 at 10:04 PM, Salvatore Orlando
> <salv.orlando at gmail.com> wrote:
>> On 11 March 2016 at 23:15, Carl Baldwin <carl at ecbaldwin.net> wrote:
>> I wonder if we could satisfy this requirement with tags - as it seems these
>> subnets are anyway operator-owned you should probably not worry about
>> regular tenants fiddling with them, and therefore the "helper" subnet needed
>> for the fip namespace could just be tagged to the purpose.
> We discussed tags at the mid-cycle.  We decided against using them.
> One reason is that tags are pretty new and are a moving target.
> Another reason I was hesitant is that tags were designed to be user
> facing.  As I recall, we didn't want the tags to affect code behavior.
> But, maybe I misunderstood that.  We want service types to affect
> IPAM, at least.
> Brian Haley is going to put up a spec for this service type attribute
> work.  Brian, would you mind posting a link to your spec review when
> you've posted it?

The Subnet service-type attribute spec is at:


Be gentle :)


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