It is actually an update for Neutron on Openstack Kilo of original blog entry
http://techbackground.blogspot.ie/2013/06/metadata-via-quantum-router.html
considering Quantum implementation on Grizzly. From my standpoint understanding of core architecture of Neutron openstack flow in regards of nova-api metadata service access (and getting proper response from nova-api service) by VMs launching via nova causes a lot of problems due to leak of understanding of core concepts.
Complete text of article may be viewed here
