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Architecture introduction

Overall architecture (not component-specific)

Installing the near-RT RIC

For Cherry release (Jun-21-2020) Getting Started → Near Realtime RIC Installation

Generally the latest instructions: https://docs.o-ran-sc.org/projects/o-ran-sc-ric-plt-ric-dep/en/latest/

List of cherry docker images: Near-RT RIC

Guides

An example xApp using the Golang xApp framework: link

Also check the "md" files in the base directory of many of the RIC repositories by name in gerrit.

Also check the currently still somewhat empty information in readthedocs

External interfaces

The RIC platform has the following external interface

O1:

  • Support for netconf "Hello exchange" (incl. capability exchange)
  • Alarms as VES events as per RIC Alarm System
  • get E2 stats (on number of packets over E2) via the path E2T->Prometheus->VESPA→(ONAP). Requires setting the environment variable VESMGR_PLT_CFG_FILE which contains the VESPA mapping for this path: Prometheus->VESPA

O2: Support for O2 use case "Deploy xApp in near-RT RIC" in WG6's O-RAN orchestration use cases v2.0. This is done as per the CLI that is in this commit https://gerrit.o-ran-sc.org/r/c/ric-plt/appmgr/+/5816 

A1: (2021-05-25) Support for A1-Policy and A1-EI (RIC-129)

E2: (2021-05-25) implementing E2APv1.0, excl. the three features added in E2APv1.1. Also no support for RIC-784 (timer handling in E2 control messages), RIC-785 (error indication handling) and no E2 Reset.

Xapp framework for Go: as per link under "xApp framework for Go" in Near Realtime RAN Intelligent Controller (RIC)

Xapp framework for python: as per link under "xApp framework for python" in Near Realtime RAN Intelligent Controller (RIC)

Xapp framework for C++: as per link under "xApp framework for CXX" in Near Realtime RAN Intelligent Controller (RIC)

RMR: Check the read-the-docs page: https://docs.o-ran-sc.org/projects/o-ran-sc-ric-plt-lib-rmr/en/latest/rel-notes.html

Subscription manager: https://docs.o-ran-sc.org/projects/o-ran-sc-ric-plt-submgr/en/latest/user-guide.html and REST API: link

SDL API: https://docs.o-ran-sc.org/projects/o-ran-sc-ric-plt-sdl/en/latest/user-guide.html




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