[libvirt] [RFC] Publishing utilisation on mDNS

After playing around with Avahi, I have now a server that is able to query all hosts on the network and their VMs, I think it would be interesting to publish utilisation statistics in the Txt record of the service. Of course one could login to a host and fetch the info, but I think it would be (managementwise) interesting if the hosts would announce this information. The implication for libvirtd would be a thread that updates lets say, per minute the avarage cpu load / free memory. I might even go further and publish all resource statistics over mDNS. Maybe people have ideas about this too, securitywise i'm not really interested in the implications since I'm publishing it on a management LAN. Stefan