Software there are most likely using (or at least what I would look into): - libvirt http://libvirt.org/ http://libvirt.org/ - whackamole http://www.backhand.

Software there are most likely using (or at least what I would look into): - libvirt http://libvirt.org/ http://libvirt.org/ - whackamole http://www.backhand.org/wackamole http://www.backhand.org/wackamole or ucarp http://www.ucarp.org/project/ucarp http://www.ucarp.org/project/ucarp - sheepdog http://www.osrg.net/sheepdog http://www.osrg.net/sheepdog and maybe ceph in testing http://ceph.newdream.net/ http://ceph.newdream.net/ - conntrackd http://conntrack-tools.netfilter.org/ http://conntrack-tools.netfilter.org/ There I gave away all my secret sauce.