As per today's meeting (which I think Vish will send a separate update about), we've decided to remove the current zones implementation for the Essex release. I'll be maintaining a branch that has a new implementation until F opens up. With that, we have 2 branches up for review to remove the current zones code: novaclient: https://review.openstack.org/4163 nova: https://review.openstack.org/4062 Please review! - Chris