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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
The following component diagram is made from OAM point of view. O-RAN component internals are abstracted and simplified.
Component diagram for O-RU recovery use case (OAM view) Service Management and Orchestration (SMO) µService Communication Bus Operation and Maintenance O-RAN Topology Service OAM topology O-DU O-RU Link-Monitor Message-Router OAM-Controller VES-Collector EP_O1_NetConf* EP_OFH* NetConf-Server-O1 NetConf-Client-OFH VES-Provider NetConf-Server-OFH HTTPS PUT/RESTCONFO-RAN-SC hello-world : HTTPS POST VESpnfRegistration, fault NETCONF/YANGO-RAN-SC hello-world HTTPS POST VESpnfRegistration, fault NETCONF/YANGOpenFronthaulC-Plane/U-Plane NETCONF/YANGOpenFronthaulM-Plane (hybrid) Copyright 2021 highstreet technologies USA Corp.. This work is licensed under a Creative Commons Attribution 4.0 International License.. SPDX-License-Identifier: CC-BY-4.0. 2021-05-09 | o-ran-sc.org oam project | Thanks to PlantUML!
Sequence diagram for O-RU recovery use case (OAM view) User space SMO O-DU O-RU µServiceConnection-Trigger µServiceConnection-Trigger Topology Service Topology Service Message-Router Message-Router VES-Collector VES-Collector OAM-Controller OAM-Controller NetConf-Server-O1 NetConf-Server-O1 NetConf-Client-OFH NetConf-Client-OFH NetConf-Server-OFH NetConf-Server-OFH Init [01]NETCONF Callhome [02]NETCONF Callhome [03]NETCONF Notification Subscription [04]GET OpenFronthaul Topology [05]RESPONSE OpenFronthaul Topology [06]UPDATE OpenFronthaul Topology use case [07]SEND ALARM - connection loss [08]convert and forward [09]Verify and forward [10]Fetch for VES fault events [11]GET O-DU of related O-RU [12]SEND re-connection trigger [13]SEND re-connection trigger [14]convert and forward [15]re-establish connection Copyright 2021 highstreet technologies USA Corp.. This work is licensed under a Creative Commons Attribution 4.0 International License.. SPDX-License-Identifier: CC-BY-4.0. 2021-05-09 | o-ran-sc.org oam project | Thanks to PlantUML!
