This page discusses the OAM parts of the D-Release RASC use case for a closed loop use case.
Please see follow up also the related expectations, recommendations and descriptions by RASC:
https://wiki.o-ran-sc.org/download/attachments/3604609/OSC-2020.06.08%20OSC-D-Cherry-v1.pptx?api=v2
Component diagram
The following component diagram is made from OAM point of view. O-RAN component internals are abstracted and simplified.
Sequence diagram