Can't you simulate the same topology as the FlatDHCPManager + Floating IPs with a shared network attached to a router which is then attached to an external network?
On Sun, Dec 21, 2014 at 7:00 PM, Andrew Bogott <[email protected]> wrote: > Greetings! > > 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"[1] -- 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 :) > > Thanks! > > -Andrew > > [1] > http://docs.openstack.org/openstack-ops/content/nova-network-deprecation.html > > > _______________________________________________ > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : [email protected] > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > > -- Kevin Benton
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