[ovirt-users] understanding ovirt communication

Hallo, I installed ovirt-engine and ovirt-node. I try add host:new but received errormg InstallFailed. seem connection to following ports: 49076 49080 49084... Howto understanding ovirt communication? keywords: engine,dwh,ovn,libvirt,virtd,node,otopi,vdsmd,sshd,node,goferd regards Heiko