Good morning, Maybe external network without dhcp will do a work? It requires additional interface, like rackspace did initially in their cloud, but customer can maintain vrrp then in l2 network.
-- Misha пн, 28 серп. 2017 о 11:24 Volodymyr Litovka <doka...@gmx.com> пише: > Hi Andrew, > > sorry for delay in responding, there were Ukrainian Independence Day and > we were on holidays, spending time with family and friends :) > > > On 8/24/17 6:36 PM, 공용준 wrote: > > There is another scenario. It's going to be public cloud and there can be > few reasons to allow customer to move pubic IP address between his VMs, > e.g. he built another VM using another OS for same role and need to move > this role from old VM to new VM, do not changing other infrastructure's > configurations. Five or ten seconds of cool down time isn't a problem > itself, since it's not for high availability > > Did you consider the lbaas for this purpose? I think floating IP’s concept > is good, but the implementation I think we need to rethink about this. > and I thinks opentack’s octavia also do the job. > > Yes, I'm considering LBaaS, but as another service in my public cloud :) > So, don't want to provide it as part of base set of services. > > I will check what you did in order to solve this issue, but preliminary I > think that you're right and floating IP is the best solution for this > (since don't require Openstack modification). The only concern I have > regarding floating IP is performance since NAT is involved and this can > lead to performance degradation. I think I will provide two kinds of IP > addresses - fixed and transferable. And if somebody needs to preserve IP > address between two different instance, he will choose transferable IP for > additional cost - this will prevent massive NAT, on the one hand and will > compensate additional resources exhaustion, on the other. > > Thank you! > > > -- > Volodymyr Litovka > "Vision without Execution is Hallucination." -- Thomas Edison > > _______________________________________________ > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack@lists.openstack.org > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >
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