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| Participant Name | Functional purpose | PoC handling |
|---|---|---|
| YANG Model parser | Converts YANG models into java objects | Required |
| YANG Data parser | Converts data compliant with a YANG model into java primitives, assists the CPS core | Required |
| Model store | Keeps a local cache of the structures and relationships (generated from the YANG models) required by the CPS | Required |
| SDC Model loader | Subscribes to DMaaP for CSAR publication. Parses and extracts the models from the CSAR and gives them to the xNF Model Data Proxy | Not required |
| Topology sync | Does initial sync and maintains an up to date view of the active topology state. Informs the mirror service of any changes | Not required |
| xNF Model Data Proxy | Encapsulation of all model and data access that relates to xNF | Not required |
| Mirror xNF Proxy Data access | REST interface that provides access to xNF data | Not required |
| CPS Core | Provides validation of and access to data. Is agnostic to the DB technology and schema | Required |
| CPS Data access | Provides REST CRUD access to the data | Required |
| CPS notification | Provides a DMaaP notification in the event that (1) data is changed and (2) it has been tagged/marked for notifcation | Required for stretch |
| PostgreSQL plugin | Maps the java primitive representation of the YANG data objects to their DB technology (PostgreSQL) and schema specifics (SQL) | Required |
| PostgreSQL | Database Management System for current data | Required |
| Temporal [Stack] | Placeholder for logical components representing the temporal handling of data | Not required |
| Temporal DB | Database Management System for temporal data | Not required |
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Backward compatibility
See decision for more information. Compatibility will be provided by either a dedicated component, or ONAP applications depending on legacy interfaces will be updated. This will depend on resources.
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