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DRAFT - Copy of Release E

Table of Contents

Summary

Primary Goals for Non-RealTime RAN Intelligent Controller (Non-RT-RIC)

  • The primary goal of Non-RT - RIC is to support intelligent RAN optimization by providing policy-based guidance, ML model management and enrichment information to the near-RT RIC function so that the RAN can optimize, e.g., RRM under certain conditions.
  • It can also perform intelligent radio resource management function in non-real-time interval (i.e., greater than 1 second).
  • Non-RT - RIC applications (rApps) can use data analytics and AI/ML training/inference to determine the RAN optimization actions for which it can leverage SMO services such as data collection and provisioning services of the O-RAN nodes.
  • Non-RT-RIC will define and coordinates coordinate rApps (Non-RT-RIC applications) to perform Non-RT-RIC tasks.
  • Non-RT-RIC will host the A1 interface (between NONRTRIC & near-RT RICs )
  • Non-RT-RIC will also host hosts the new R1 interface (between rApps and SMO/NONRTRIC services)

Overall objective for the

E

F Release

In the E Release we focus mainly on studying and providing some prototyping building blocks to support the emerging Non-RT-RIC Apps ("rApps") and R1 interface concepts from O-RAN.
Support and improvement of functions for the O-RAN A1 interface continue.

E Release Priorities

  • ONAP Control Loop -> O-RAN rApp : “The rApp-ification of ONAP Control Loops”
    • Adopt ONAP CL work as a starting point, continue to identify gaps, then extend
    • Identify & motivate where an rApp is different from a CL
    • Types of rApps:
      • Microservice-based rApps
      • Non-Microservice-based rApps
  • NONRTRIC Service Exposure/Gateway -> O-RAN R1 : “The R1-ification of Service Exposure”
    • Service-independent aspects
    • Types of exposure support in R1:
      • Microservice-based rApps & Service
      • Non-Microservice-based rApps & Service
  • Use cases of rApps & Exposing specific Services via R1
    • Requirements drivers & demonstrators
    • O-RU FH recovery (multiple), O-DU Slice Assurance (multiple), Existing Function Tests, various other use cases in ONAP
  • Continued Evolution & Support for A1 functions

For the R1 interface we will focus on enabling Service Management & Exposure (R1-SME), and demonstrating Data Management & Exposure (R1-DME).
 

E Release Priorities

  • Study & prototype Coordinated Service Exposure (SE)

    • Continue SE contribution building on the manual approaches already studied/completed.
    • Create/apply K8S configurations to isolate platform services and rApp microservices, then configure controlled secure access between service
    • Prototype CAPIF compliant API for Service/rApp registration/discovery, and service provider/consumer registration/configuration

  • Data Management & Exposure (DME):

    • Pre-spec O1 PM via pre-spec R1 DME demo
    • Configure & connect to PM data - collected by SMO (ONAP)
    • Collect, Filter & Coordinate Delivery of PM data from DMaaP/Kafka to rApps over R1 (ICS)

  • General activities

    • Continue to provide spec-compliant implementation of A1-Policy & A1-EI functions
    • NONRTRIC repo re-org
    • Continue to integrate and deploy SMO/NONRTRIC platform/rApps in OSC integration environment.
    • Continue to expand NONRTRIC test platform & testsets
    • Show various versions rApps implemented/deployed as holistic “Automation Compositions” (ref ONAP ACM)
    • Continue to provide & integrate strawman rApps to comply with OSC RSAC integration usecases.

F

E

Release Feature Scope

  • NONRTRIC Functions:
    • Integrated A1 Adapter from ONAP (A1 Policy (A1-P) controller – mediation)
    • Integrated A1 Policy Management Service from ONAP (A1 Policy (A1-P) controller)
    • rApp/Control Loop Manager (ONAP & OSC)
    • OSC Information Coordinator (controller – OSC Information Coordinator (controller – Data Management & Exposure & A1 Enrichment Information (A1-EI) Job management)
    • OSC Non-RT-RIC Control Panel (GUI – for A1-P & A1-EI Job management)
    • OSC A1 Simulator (a stateful test stub to simulate near-RT-RIC end of A1 interface – A1-P & A1-EI)
    • Initial OSC APP catalog (for registering/querying APPs)
    • K8S Helm Chart LCM Manager - for APP µServices etc. (ONAP & OSC)
    • Exposure Gateway Functions
    • Coordinated service exposure for R1 interface
    • DMaaP/Kafka → Information Producer Mediator/
    • Integrated A1 Adapter (multiple)from ONAP (A1 Policy (A1-P) controller – mediation)
    • Integrated A1 Policy Management Service from ONAP (A1 Policy (A1-P) controller)
    • Manager for rApps / Automation Composition Manager (ONAP & OSC)
  • In E Release:
    • Deployment, Integration & Configuration– Continued improvements for Docker & Kubernetes
    • Extended/Easier deployment options with OSC IT/DEP project (SMO/NONRTRIC deployment)
    • O-RAN A1-AP evolution (v3.0)
    • Evolution of A1-EI functions to a more generic Information Coordination functions, moving beyond A1-EI
    • Further improvement in security management
    • Re-architect & improve usability of Non-RT-RIC Control Panel (GUI)
    • Extend NONRTRIC Control Panel to sort and filter A1 Policies
    • Extend NONRTRIC Control Panel to sort and filter A1 Enrichment Types/Jobs
    • Extend NONRTRIC Control Panel to configure A1 Policy Management Service
    • Configurable Service Exposure function – Extends/Replaces static exposure gateway in OSC D-release
    • K8S Helm Chart LCM function for App µServices
    • Update NONRTRIC demo/test environment (one-click tests/use-cases, docker & single/multi-node K8s env)
    • OSC e2e integration use case – O-RU-FH-HelloWorld recovery
      • App to instigate O-RU-FH connection recovery after failure – via O-DU
        • Multiple implementation options – standalone µService and/or deployable ONAP-PF policy script
    • OSC e2e integration use case – O-DU-HelloWorld-SliceAssurance
      • Closed loop tuning of RRM policies to assure Slice performance - via O-DU
        • Multiple implementation options – standalone µService and/or deployable ONAP-PF policy script

...

  • Unified REST & DMaaP APIs for managing A1 Policies in all near-RT-RICs
  • Operations:
    • Query A1 Policy Types in near-RT-RICs
    • Create/Query/Update/Delete A1 Policy Instances in near-RT-RICs
    • Query Status for A1 Policy Instances
  • Maintains (persistent) cache of RAN’s A1 Policy information
    • Support RAN-wide view of A1 Policy information
    • Streamline A1 traffic
    • Enable (optional) re-synchronization after inconsistencies / near-RT-RIC restarts
    • Added support for multiple near-RT-RICs (& multi-version support)
  • Unified REST & DMaaP NBI
  • Converged ONAP & O-RAN-SC A1 Adapter/Controller functions in ONAP SDNC/CCSDK
    • (Optionally deploy without A1 Adapter to connect direct to near-RT-RICs)
  • Support for different Southbound connectors per near-RT-RIC - e.g. different A1 versions, different near-RT-RIC version, different A1 adapter/controllers supports different or proprietary A1 controllers/EMSs

Documentation Repository and documentation about the service can be found at:

...

    • Parameters related to delivery (Kafka stream, callback URL etc.). These are different for different delivery protocols.
    • Filtering information (scope, filter or other discriminators).
    • Period-icy
    • Other info used for aggregation

APIs provided by the ICS service

A1-EI

Repository and documentation about the service can be found at:

APIs provided by the ICS service

A1-EI

This API is between Near-RT RIC and the Non-RT RIC. The Near-RT RIC is a data consumer, This API is between Near-RT RIC and the Non-RT RIC. The Near-RT RIC is a data consumer, which creates Information Jobs to subscribe for data. In this context, the information is referred to as 'Enrichment Information', EI.

...

This API provides a means to monitor the health of this service.

DMaaP/Kafka Information Producer Adapters

DMaaP/Kafka Information Producer Adapters

Configurable Configurable mediators to take information from DMaaP (& Kafka) and present it as a coordinated Information Producer

...

(Initial) Non-RT-RIC APP catalog

...

  • APPs can be registered / queried
  • Limited functionality/integration for now
  • A building block for coming releases as the R-APP concept matures

Repository and documentation about the service can be found at:

A1 Policy Controller / Adapter (from ONAP CCSDK – Istanbul)

...

Documentation about the adapter / controller can be found at:

...

  • Interfaces that accepts Non-RT-RIC App µServices Helm Charts
  • Support basic LCM operations
  • Onboard, Start, Stop, Modify, Monitor
  • Initial version co-developed with v. similar functions in ONAP
  • Limited functionality/integration for now

NONRTRIC Test Platform

Information Repository and documentation about the test platform service can be found at:

Use Cases

"Helloworld" O-RU Fronthaul Recovery use case

A very simplified closed-loop rApp use case to re-establish front-haul connections between  O-DUs and O-RUs if they fail. Not intended to to be 'real-world'

NONRTRIC Test Platform

Information about the test platform can be found at:

Use Cases

"Helloworld" O-RU Fronthaul Recovery use case

A very simplified closed-loop rApp use case to re-establish front-haul connections between  O-DUs and O-RUs if they fail. Not intended to to be 'real-world'

Information about the use case can be found at:

Code for the use case can be found at:

Repository and documentation about the service Information about the use case can be found at:

...

"Helloworld" O-DU Slice Assurance use case

...

Code for the use case Repository and documentation about the service can be found atfound at: