This was discussed during the drivers meeting [1]. It sounds like expanding or shrinking the IP space dynamically and doing it reliably can be rather hard. Can you elaborate why adding new subnets to the space wouldn't address your use case?
[1] http://eavesdrop.openstack.org/meetings/neutron_drivers/2017/neutron_drivers.2017-01-19-22.02.log.html
This was discussed during the drivers meeting [1]. It sounds like expanding or shrinking the IP space dynamically and doing it reliably can be rather hard. Can you elaborate why adding new subnets to the space wouldn't address your use case?
[1] http:// eavesdrop. openstack. org/meetings/ neutron_ drivers/ 2017/neutron_ drivers. 2017-01- 19-22.02. log.html