Interesting stuff: http://z-wave.sigmadesigns.com/docs/brochures/Z-IP_Gateway_br.pdf
Basically, doing the same thing as the OpenHab to Vera integration, which is, demoting the Vera/Z-wave controller to just handling the Z-wave protocol stack while all the HA logic, scenes, schedules, etc is handled somewhere else, in the language/platform of your choice.