Architecture for

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New Delhi Release:

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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 Software Community (OSC)) (Wiki)
  
• A1 Policy Management GUI / NONRTRIC Dashboard (in O-RAN Source Software Community (OSC)) (Wiki)

Source code &

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Documentation

• The source code is available in: ONAP CCSDK (O-RAN) Gerrit repo ('londonmaster' 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/london/ 
  
• Additional Non-RealTime RIC functions are developed in the OSC NONRTRIC project - which reuses these A1 Policy components.

JIRA links

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• Jira Legacy
  server System Jira

  columnIdsissuekey,summary,issuetype,created,updated,duedate,assignee,reporter,priority,status,resolutioncolumnskey,summary,type,created,updated,due,assignee,reporter,priority,status,resolution

  serverId 4733707d-2057-3a0f-ae5e-4fd8aff50176 key CCSDK-

  3809

  3965

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:

• 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 e.g., rApps or the NONRTRIC Dashboard).
• All near-RT-RICs in the network.
• All Policy types supported by each near-RT-RIC.

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• Unified REST API for managing A1 Policies in all near-RT-RICs.
• Compliant with O-RAN R1 specification for A1-Policy Management (R1-AP v5.0, with additional features & fixes)
• Synchronized view of A1 Policy instances for each rAPP
• 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 - with new optional callouts to an external auth function
• Fine-grained monitoring metrics, logging & call tracing can be configured

The REST API can be found at

• https://docs.onap.org/projects/onap-ccsdk-oran/en/londonlatest/offeredapis/pms-api.html

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

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

• Implemented as OSGI Feature/Bundles
• A1 REST southbound
• NETCONF YANG Northbound
• RESTCONF > NETCONF adapter
• Mapping logic / Provider
• Can be included in an any SDNC/CCSDK persona

OSC A1 Policy Management GUI / NONRTRIC Dashboard

Graphical user interface. This tool is available in O-RAN SC and is not essential for the A1 Policies / Non-RT-RIC.

• View and Manage A1 policies in the RAN (near-RT-RICs)
• Interacts with the Policy Management Services NBI (REST API)
• Graphical A1 policy creation/editing is model-driven, based on policy type’s JSON schema
• Frontend: Angular framework
• Backend Java Springboot application
• Please refer to the OSC NONRTRIC Control Panel Documentation (Latest)

OSC Near-RT RIC Simulator / A1 Simulator:

A1 simulator used for testing purposes. This tool is available in O-RAN SC and is not essential for the A1 Policies / Non-RT-RIC.

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