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The PNF registration data flow was simplified for demonstration purposes for the O-RAN-SC Amber release.  

The implementation on SDN-R was made in a way that it won't conflict with the complete 5G PNF Plug'n'Play please see: PNF PLUG and PLAY in R6 Frankfurt and 5G - PNF Plug and Play.


@startuml

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

autonumber 1 1 "<b>[00]"
' ntsim -> ves: REST: VES:pnfRegistration
' ves -> dmaap: REST: Publish event \nunauthenticated.VES_PNFREG_OUTPUT
' sdnr -> dmaap: REST: Get topic \nunauthenticated.VES_PNFREG_OUTPUT
' dmaap -> sdnr: REST: pnfRegistration
' sdnr ->sdnr: create \nmountpoint
' sdnr -> ntsim: NETCONF <hello/>-req \n[TLS,SSH]
' ntsim -> sdnr:  <hello/>-res

' End Diagram
' Format
header
  <b><font color=#8888ff>License</font></b>
  <b><font color=#8888ff>Apache 2.0</font></b>
end header

right footer 
  Thanks to plantUml! 
  2019-11-21 | onap.org | o-ran-sc.org
end footer

skinparam backgroundColor #fefefe

skinparam backgroundColor #fefefe
'skinparam handwritten true
skinparam roundcorner 15

skinparam databaseBorderColor #444444
skinparam databaseBackgroundColor #fefefe
skinparam databaseFontColor #444444

skinparam sequence {
  MessageAlign left
  ArrowColor #2277dd
  ArrowFontColor #444444
  ActorBorderColor #444444
  LifeLineBorderColor #444444
  LifeLineBackgroundColor #eeeeee
 
  BoxBorderColor #444444
    
  GroupBorderColor #444444
  GroupBackgroundColor #eeeeee
  
  ParticipantBorderColor #444444
  ParticipantBackgroundColor #ffffdd
  ParticipantFontColor #444444
    
  ActorBackgroundColor #ffffdd
  'ActorFontColor DeepSkyBlue
  'ActorFontSize 17
  'ActorFontName Aapex
}

@enduml