DRAFT - Not complete yet

Architecture for

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Montreal Release:

A1 Policy components (subset of 'Non-RealTime RIC'):

• A1 Policy Management Service (In ONAP CCSDK/SDNC)
  
• SDNC A1 Adapter (In ONAP CCSDK/SDNC)
• Near-RT RIC / A1 Simulator (in O-RAN Source Community (OSC)) (Wiki)
  
• A1 Policy Management GUI / NONRTRIC Dashboard (in O-RAN Source Community (OSC)) (Wiki)

Source code &

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Documentation

• The source code is available in: ONAP CCSDK (O-RAN) Gerrit repo ('montreal' branch)
  • Support functions available in OSC repos: OSC A1-Simulator (Gerrit) & OSC NONRTRIC Control Panel (Gerrit)
• The Official Documentation can be found at https://docs.onap.org/projects/onap-ccsdk-oran/en/montreal/ 
• Additional Non-RealTime RIC functions are developed in the OSC NONRTRIC project - which reuses these A1 Policy components.

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• Jira Legacy
  server System Jira columnIds issuekey,summary,issuetype,created,updated,duedate,assignee,reporter,priority,status,resolution columns key,summary,type,created,updated,due,assignee,reporter,priority,status,resolution serverId 4733707d-2057-3a0f-ae5e-4fd8aff50176 key CCSDK-3909

ONAP A1 Policy Management Service (ONAP

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CCSDK)

The Policy Management Service is a micro service which maintains a transient repository of:

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• Unified REST API for managing A1 Policies in all near-RT-RICs.
• Synchronized view of A1 Policy instances for each rAPPrApp/Client
• 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  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 - with new optional callouts to an external auth function

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

Mediation Optional mediation point for A1 interface termination in SMO/Non-RT RIC

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