Base controller license (HP VAN SDN Ctrl Base SW w/ 50–node E-LTU)—Enables the HP VAN SDN Controller to communicate with up to 50 OpenFlow switches.
Base controller plus 50 “Add Nodes” license (HP VAN SDN Ctrl 50–node E-LTU)—Extends by 50 the number of switches the base controller can communicate with using OpenFlow.