[Openstack] Neutron vs. FlatDHCP -- what's the latest?
tom at openstack.org
Mon Dec 22 02:20:35 UTC 2014
On 22/12/14 11:00, Andrew Bogott wrote:
> I'm about to set up a new cloud, so for the second time this year I'm
> facing the question of Neutron vs. nova-network. In our current setup
> we're using nova.network.manager.FlatDHCPManager with floating IPs.
> This config has been working fine, and would probably be our first
> choice for the new cloud as well.
> At this point is there any compelling reason for us to switch to
> Neutron? My understanding is that the Neutron flat network model still
> doesn't support anything similar to floating IPs, so if we move to
> Neutron we'll need to switch to a subnet-per-tenant model. Is that
> still correct?
> I'm puzzled by the statement that " upgrades without instance downtime
> will be available in the Kilo release" -- surely for such a path to
> exist, Kilo/Neutron would need to support all the same use cases as
> nova-network. If that's right and Neutron is right on the verge of
> supporting flat-with-floating then we may just cool our jets and wait to
> build the new cloud until Kilo is released. I have no particular reason
> to prefer Neutron, but I'd like to avoid betting on a horse right before
> it's put down :)
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