.. This work is licensed under a Creative Commons Attribution 4.0 International License.
.. http://creativecommons.org/licenses/by/4.0
.. Copyright 2018 ORANGE


Architecture
============

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Introduction
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NBI stands for NorthBound Interface. It brings to ONAP a set of API that can be used by external systems as BSS for example. These API are based on **TMF API**.


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Global NBI architecture for Beijing release
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Following illustration provides a global view about nbi architecture,integration with other ONAP components and API resource/operation provided.

.. image:: images/ONAP_External_ID_Beijing.jpg
   :width: 800px


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Developer Guide
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Technical information about NBI (dependancies, configuration, running & testing) could be found here: :doc:`NBI_R1_Developer_Guide <NBI_R1_Developer_Guide>`

API Flow illustration (with example messages) is described in this document: :download:`nbicallflow.pdf <../offeredapis/pdf/nbicallflow.pdf>`