title ONAP/O-RAN pnfRegistration use case 2019-12 end title box “Network” #lightpink participant "NTSim" as ntsim end box box "Service Management and Orchestration (SMO) (e.g.ONAP)" #gold participant "VES Collector" as ves participant "DMaaP" as dmaap participant "SDN-R" as sdnr end box