| elinuxhenrik | 9bb9a4c | 2020-10-08 14:36:37 +0200 | [diff] [blame] | 1 | .. SPDX-License-Identifier: CC-BY-4.0 |
| JohnKeeney | 70fee18 | 2024-01-22 14:04:31 +0000 | [diff] [blame] | 2 | .. Copyright 2023 Nordix Foundation. All rights reserved. |
| 3 | .. Copyright 2024 OpenInfra Foundation Europe. All rights reserved. |
| elinuxhenrik | 9bb9a4c | 2020-10-08 14:36:37 +0200 | [diff] [blame] | 4 | |
| 5 | Consumed APIs |
| 6 | ============= |
| 7 | |
| 8 | |
| JohnKeeney | c207758 | 2022-10-27 18:11:42 +0100 | [diff] [blame] | 9 | The A1 Policy Management Service consumes two ONAP APIs and the A1-P API. |
| elinuxhenrik | 9bb9a4c | 2020-10-08 14:36:37 +0200 | [diff] [blame] | 10 | |
| elinuxhenrik | 42fb47f | 2020-11-17 17:43:28 +0100 | [diff] [blame] | 11 | |
| JohnKeeney | de4ac0d | 2021-03-09 18:32:45 +0000 | [diff] [blame] | 12 | ***************************************** |
| JohnKeeney | 069b469 | 2022-05-12 22:15:14 +0100 | [diff] [blame] | 13 | O-RAN A1 Interface for A1 Policies (A1-P) |
| JohnKeeney | de4ac0d | 2021-03-09 18:32:45 +0000 | [diff] [blame] | 14 | ***************************************** |
| elinuxhenrik | 42fb47f | 2020-11-17 17:43:28 +0100 | [diff] [blame] | 15 | |
| JohnKeeney | c86b5ae | 2023-07-28 19:25:14 +0100 | [diff] [blame] | 16 | Southbound, the ONAP A1 Policy functions communicate with *near-RT RIC* RAN functions using the **A1** interface, as defined by the `O-RAN Alliance <https://www.o-ran.org>`_ |
| PatrikBuhr | 1c317eb | 2023-02-23 12:39:31 +0100 | [diff] [blame] | 17 | The *A1 Interface - Application Protocol Specification (A1-AP)* describes this interface. The specification can be viewed from the `O-RAN Alliance <https://www.o-ran.org>`_ website. |
| elinuxhenrik | 42fb47f | 2020-11-17 17:43:28 +0100 | [diff] [blame] | 18 | |
| JohnKeeney | 70fee18 | 2024-01-22 14:04:31 +0000 | [diff] [blame] | 19 | The **Montreal** ONAP A1 Policy functions implement the *A1 Policy* (*A1-P*) parts of A1-AP, supporting versions *v1.1*, *v2.0* and *v3.0*. |
| JohnKeeney | 069b469 | 2022-05-12 22:15:14 +0100 | [diff] [blame] | 20 | |
| JohnKeeney | c86b5ae | 2023-07-28 19:25:14 +0100 | [diff] [blame] | 21 | An opensource implementation of a `near-RT RIC <https://wiki.o-ran-sc.org/pages/viewpage.action?pageId=1179659>`_ is available from the `O-RAN Software Community <https://o-ran-sc.org>`_. It supports a pre-spec version of the A1-AP. The ONAP A1 Policy functions described here also supports this A1 version (*A1-OSC*). |
| JohnKeeney | 069b469 | 2022-05-12 22:15:14 +0100 | [diff] [blame] | 22 | |
| JohnKeeney | c86b5ae | 2023-07-28 19:25:14 +0100 | [diff] [blame] | 23 | An opensource implementation of an `A1 Simulator <https://wiki.o-ran-sc.org/pages/viewpage.action?pageId=3604819>`_ is also available from the `O-RAN Software Community <https://o-ran-sc.org>`_. It supports all versions of A1-AP. |