enum vm-init-phase;
enum vm-alloc-pending;
enum running;
+ enum upgrading;
enum terminate;
enum vl-terminate-phase;
enum terminated;
enum vl-init-phase;
enum vm-init-phase;
enum running;
+ enum upgrading; // Experimental
enum terminate;
enum vm-terminate-phase;
enum vl-terminate-phase;
vm-init-phase : The VDUs in the VNF is being created in VIM.
vm-alloc-pending : The VM alloc is pending in VIM
running : The VDU is active in VM
+ upgrading : The VDU is being upgraded (EXPERIMENTAL)
terminate : The VDU is being terminated
vm-terminate-phase : The VDU in the VNF is being terminated in VIM.
terminated : The VDU is in the terminated state.