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The development of the Common Notification messaging format would be simple, lightweight and can be shared by all the controllers, orchestrators, and custom application components. Since the controllers, orchestrators and applications already have to develop their API, all those components have to do is implement reception of the messages and either translate to their current API. Ideally, those components may be able to remove their API layers and simplify their codebase.
Business Requirement
The business requirement is to develop the Event based Common Notification messaging format for Control Loop Operations and integrate into the Policy Platform. The ONAP specific controllers and orchestrators (eg SO, APPC, VFC, SDNC) can be migrated to use the notifications over the next releases. In addition, the CLAMP project will need to know what operations and their parameters are required by the controllers/orchestrators in order to specify Control Loop actions to be taken when a Control Loop event occurs. Thus, a specification must be provided by the controller/orchestrator/application so that CLAMP can easily produce Control Loop Operational Policies for the control loop being designed. It is desired that such specifications be uploaded into the SDC Catalog for CLAMP's to read.