Landing page restructured

The detailed description on ONAP and the architecture figure have been removed form the landing page.
The table on documentation types has been added to the landing page.

Issue-ID: DOC-353

Change-Id: Iadc0aa94bb3db62d7a0f73924a7afdd34889a6f7
Signed-off-by: Noemi Wagner <noemi.wagner@nokia.com>

1 files changed, 32 insertions, 17 deletions

diff --git a/docs/index.rst b/docs/index.rst
index 549850bf8..27ef9c457 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -18,25 +18,40 @@ the acceleration of the development of a vibrant ecosystem around a globally
 shared architecture and the implementation of network automation faster than
 any product could on its own.
 
-The ONAP Platform architecture is built on the highly efficient cooperation of
-Design-time Framework activities with the functions provided by the
-Run-time Framework. The Design-time Framework defines resources, services
-and products, creates and manages processes and policies, provides a single
-platform for deploying and defining instantiation management besides many
-other activities. The Run-time framework manages the full lifecycle of
-networks, services, resources, topology, orchestrates delivery, provides
-monitoring via analytics and controls activities for applications and
-virtual functions.
+Please find some guidance here on the content of the Casablanca Release documentation for ONAP:
 
-ONAP platform activities are supported by the Microservices support
-system and by the ONAP Portal.
+ +-------------------------------------------------------+-----------------------------------------------------------------------------------------------+
+ | Main documentation areas 	                         |   Description                                                                                 |
+ +=======================================================+===============================================================================================+
+ | :ref:`ONAP Overview <getting-started>`                | ONAP Overview provides generic and high-level guidance on the mission and main                |
+ |                                                       | functionalities of ONAP. Basic guidelines on license details, limitations and                 |
+ |                                                       | security references support understanding the solution.                                       |
+ +-------------------------------------------------------+-----------------------------------------------------------------------------------------------+
+ | :ref:`ONAP Architecture <ONAP-architecture>`          | The ONAP architecture and its functional elements are described in details                    |
+ |                                                       | here. We can learn how the two main frameworks, namely the Design-time                        |
+ |                                                       | framework and the Run-time framework cooperate and how the Microservices,                     |
+ |                                                       | Common services and the ONAP Portal support the certain functions.                            |
+ +-------------------------------------------------------+-----------------------------------------------------------------------------------------------+
+ | :ref:`Setting Up ONAP <installing-onap>`              | Installation guidelines and requirements help the very first set up of an                     |
+ |                                                       | ONAP environment. The ONAP Operations Manager Cloud setup Guide and the                       |
+ |                                                       | ONAP Operations Manager Quick Start Guide support the deployment and installation activities. |
+ +-------------------------------------------------------+-----------------------------------------------------------------------------------------------+
+ | :ref:`Developer Guides <ONAP_developer_guides>`       | Developers contributing to the ONAP development can find crucial information                  |
+ |                                                       | in the Developer Guides. The reader can search among the developers’ topics                   |
+ |                                                       | in alphabetical order.                                                                        |
+ +-------------------------------------------------------+-----------------------------------------------------------------------------------------------+
+ | :ref:`User Guides <user-guides>`                      | The User Guides provide details on the ONAP portal, which portal integrates                   |
+ |                                                       | numerous different ONAP applications at one place. Platform operations are                    |
+ |                                                       | supported with ONAP Operations Quick Start Guide and with an ONAP Operations                  |
+ |                                                       | User Guide. The instantiation and the management of resources and the services                |
+ |                                                       | are supported with a Service Design Guide and with guidelines on Service Deployment.          |
+ +-------------------------------------------------------+-----------------------------------------------------------------------------------------------+
+ | :ref:`VNF/PNF Requirements and Guidelines <vnf_reqs>` | Harmonized VNF and PNF requirements and reduced customization of onboarding VNFs              |
+ |                                                       | and PNFs can accelerate the optimal usage of this ONAP environment. The guidelines            |
+ |                                                       | on VNF/PNF requirements facilitates synchronized and aligned activities for all participants. |
+ +-------------------------------------------------------+-----------------------------------------------------------------------------------------------+
 
-The following figure presents the high-level architecture of ONAP:
-
-.. image:: media/ONAP-architecture-high-level.png
-    :width: 800px
-
-For more details, see :ref:`ONAP Documentation <onap-documentation>` (or alternatively you can also use the navigation bar on the left).
+You can reach the complete Casablanca Release documentation from the Navigation bar on the left.
 
 .. toctree::
    :maxdepth: 1