.. Copyright 2018 (China Mobile)
.. This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE
.. Full license text at https://creativecommons.org/licenses/by/4.0/legalcode

.. contents::
   :depth: 3
..

Class: InstantiationLevel
=========================

+-------------------+-------------+------------------+-----------------+--------------------------+
| **Attribute Name**| **Type**    | **Multiplicity** | **Description** | **Applied Stereotypes**  |
+===================+=============+==================+=================+==========================+
| levelId           | Identifier  | 1                | Uniquely        | support:                 |
|                   |             |                  | identifies      | MANDATORY                |
|                   |             |                  | a level         |                          |
|                   |             |                  | with the        |                          |
|                   |             |                  | DF.             |                          |
+-------------------+-------------+------------------+-----------------+--------------------------+
| description       | String      | 1                | Human           | support:                 |
|                   |             |                  | readable        | MANDATORY                |
|                   |             |                  | description     |                          |
|                   |             |                  | of the          |                          |
|                   |             |                  | level.          |                          |
+-------------------+-------------+------------------+-----------------+--------------------------+
| vduLevel          | VduLevel    | 1..N             | Indicates       | support:                 |
|                   |             |                  | the number      | MANDATORY                |
|                   |             |                  | of instance     |                          |
|                   |             |                  | of this VDU     |                          |
|                   |             |                  | to deploy       |                          |
|                   |             |                  | for this        |                          |
|                   |             |                  | level.          |                          |
+-------------------+-------------+------------------+-----------------+--------------------------+
| virtualLink       | VirtualLink | 0..N             | Specifies       | support:                 |
| BitRateLeve       | BitRateLeve |                  | bitrate         | MANDATORY                |
| l                 | l           |                  | requirement     |                          |
|                   |             |                  | s               |                          |
|                   |             |                  | applicable      |                          |
|                   |             |                  | to virtual      |                          |
|                   |             |                  | links           |                          |
|                   |             |                  | created         |                          |
|                   |             |                  | from            |                          |
|                   |             |                  | particular      |                          |
|                   |             |                  | virtual         |                          |
|                   |             |                  | link            |                          |
|                   |             |                  | descriptors     |                          |
|                   |             |                  | for this        |                          |
|                   |             |                  | level.          |                          |
|                   |             |                  |                 |                          |
|                   |             |                  | NOTE: If        |                          |
|                   |             |                  | not             |                          |
|                   |             |                  | present, it     |                          |
|                   |             |                  | is assumed      |                          |
|                   |             |                  | that the        |                          |
|                   |             |                  | bitrate         |                          |
|                   |             |                  | requirement     |                          |
|                   |             |                  | s               |                          |
|                   |             |                  | can be          |                          |
|                   |             |                  | derived         |                          |
|                   |             |                  | from those      |                          |
|                   |             |                  | specified       |                          |
|                   |             |                  | in the          |                          |
|                   |             |                  | VduCpd          |                          |
|                   |             |                  | instances       |                          |
|                   |             |                  | applicable      |                          |
|                   |             |                  | to the          |                          |
|                   |             |                  | internal        |                          |
|                   |             |                  | VL. If          |                          |
|                   |             |                  | present in      |                          |
|                   |             |                  | both the        |                          |
|                   |             |                  | Instantiati     |                          |
|                   |             |                  | onLevel         |                          |
|                   |             |                  | and the         |                          |
|                   |             |                  | VduCpd          |                          |
|                   |             |                  | instances       |                          |
|                   |             |                  | applicable      |                          |
|                   |             |                  | to the          |                          |
|                   |             |                  | internal        |                          |
|                   |             |                  | VL, the         |                          |
|                   |             |                  | highest         |                          |
|                   |             |                  | value takes     |                          |
|                   |             |                  | precedence.     |                          |
+-------------------+-------------+------------------+-----------------+--------------------------+
| scaleInfo         | ScaleInfo   | 0..N             | Represents      | support:                 |
|                   |             |                  | for each        | MANDATORY                |
|                   |             |                  | aspect the      |                          |
|                   |             |                  | scale level     |                          |
|                   |             |                  | that            |                          |
|                   |             |                  | corresponds     |                          |
|                   |             |                  | to this         |                          |
|                   |             |                  | instantiati     |                          |
|                   |             |                  | on              |                          |
|                   |             |                  | level.          |                          |
|                   |             |                  | scaleInfo       |                          |
|                   |             |                  | shall be        |                          |
|                   |             |                  | present if      |                          |
|                   |             |                  | the VNF         |                          |
|                   |             |                  | supports        |                          |
|                   |             |                  | scaling.        |                          |
+-------------------+-------------+------------------+-----------------+--------------------------+