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The NONRTRIC project (and the O-RAN Non-RealTime RIC function) can be considered from a number of different viewpoints. This page presents some of these views:

NONRTRIC Controller Part:

Scope 1: A1 Controller (Mediator, Endpoint)

  • Southbound: Provide termination point for A1 interface(s) – REST endpoint for messages to/from near-RealTimeRIC
  • Northbound: Provide a more generic interface for A1 operations – provide interface to R-APPs, without the need for A1 message generation, addressing, coordination, mediation, etc.
  • O1 interfaces do not terminate in NONRTRIC function (but may terminate in same controller host/instance)

NONRTRIC Services Part:

Scope 2: Coordinate/Host A1 Policy Management Services

  • Map high level RAN goal/intent directives to finely-scoped A1 policies towards individual near-RealTimeRIC instances
  • Informed by observed RAN context (provided over O1 via OAM functions), and other external context (via other SMO functions)
  • Dynamically coordinate lifecycles of A1 policies in individual near-RealTimeRICs as contexts change

Scope 3: Coordinate ML/AI Models – In RAN (“E2 nodes” & near-RealTimeRICs) and NONRTRIC

  • Acts as model-training host
  • May act as model-inference host (others: near-RealTimeRICs, “E2 nodes”)
  • Dynamically coordinate ML/AI model lifecycle management (e.g. re-train, re-deploy, etc)
  • Models are (always?) deployed over O1 interface

Scope 4: Enrichment Data Coordinator

  • Additional context that unavailable to near-RealTimeRICs (e.g. RAN data, SMO context, External context)
  • Dynamically coordinate access and pass data to appropriate near-RealTimeRICs (e.g. for use in ML/AI model inference)

Scope 5: R-APP Host & SMO Application Coordinator

  • R-APPs may act as, or form part of, SMO-level applications
  • R-APPs, via R-APP host function, may consumes many SMO-internal interfaces, and use many SMO-internal functions (O-RAN undefined)
  • Dynamically coordinate R-APP lifecycle management
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