[Openstack-operators] Connecting 2 OpenStack clouds

Saverio Proto zioproto at gmail.com
Fri Sep 30 07:27:51 UTC 2016


If your setup has a single user database, so all users are under the
same administrative domain, what you describe is like having different
Openstack Regions, or different Nova Cells.
I would suggest to look into Multi Region that is the easier to implement.

If your setup has users in the two clouds that are managed under two
different administrative domains, then what you are talking about is
Cloud Federation.

We had a discussion about it in Machester:

If your university is interested in Federation you should be aware of
this workshop:



2016-09-30 8:06 GMT+02:00 Michael Stang <michael.stang at dhbw-mannheim.de>:
> Hello all,
> I have a question if it is possible to connect 2 Openstack clouds to use the
> ressources together?
> We have a Mitaka installation at our site and we have colleagues who also
> have a mitaka installaton at their site which are both independent at the
> moment. We want to create a site-to-site vpn tunnel between our 2 management
> networks (with openvpn) so that both installations can see each other, and
> we searching now for a possibility to connect both together.
> Is there already some way to connect both controllers so the users of the
> one site can also use the resources of the other site and start instances
> there from their controller on the other controller?
> How is this done in  large installations when 2 clouds should be connected
> to each other? Is this even possible?
> Thank you and kind regards,
> Michael
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