This needs to be integrated back into the GSG in a way that makes sense, in particular:
6.7. Adding a Rule to a Security Group
6.8. Adding Floating IP Addresses
7.8. Adding a Rule to a Security Group
7.9. Adding Floating IP Addresses
Probably assume nova networking is in use. Perhaps need to keep but rearrange to make it clear which version applies if nova networking in use and which version applies if openstack networking in use. Please work with Summer on this.