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The source code is available in: ONAP CCSDK (O-RAN) Gerrit repo ('latestlondon' branch), with support functions available in OSC repos: OSC A1-Simulator (Gerrit) & OSC NONRTRIC Control Panel (Gerrit)

Additional Non-RealTime RIC functions are developed in the OSC NONRTRIC project - which reuses these A1 Policy components.

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All A1 policies instances in the network. Each policy is targeted to a near-RT-RIC instance and is owned by a 'service' (R-APP or the NONRTRIC Dashboard).
All near-RT-RICs in the network. This information can be maintained using the ONAP CDS database (which is using the Cloudify Consul database) or using a plain text file.
All Policy types supported by each near-RT-RIC.

The service provides :

Unified REST API for managing A1 Policies in all near-RT-RICs.
A DMaaP API for A1 Policy management (Deprecated).
Synchronized view of A1 Policy instances for each R-APPrAPP
Synchronized view of A1 Policy instances in each near-RT-RIC
Synchronized view of A1 Policy types supported by each near-RT-RIC
Lookup service to find the near-RT-RIC to control resources in the RAN as defined in O1 (e.g. which near-RT-RIC should be accessed to control a certain CU or DU, which in turn controls a certain cell).
Monitors all near-RT-RICs and maintains data consistency – e.g. recovery from near-RT-RIC restarts
Support for different Southbound APIs to the near-RT-RICs (different versions of the A1-P and other similar APIs).
HTTPS can be configured to use a supplied certificate/private key and to validate peers towards a list of trusted CAs/certs.
HTTP proxy support for tunneling HTTP/HTTPS connections.
Fine-grained access-control

The REST API can be found at

ONAP A1 Adapter (part of ONAP CCSDK/SDNC):

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