Rework headings

Signed-off-by: Marc Schöchlin <schoechlin@osb-alliance.com>

docs/turnkey-solution/hardware-landscape.md

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+---
+sidebar_label: Hardware-Landscape
+sidebar_position: 99
+---
+
+# The SCS Hardware-Landscape
+
+## General information
+
+![An image of the SCS hardware landscape rack](images/combined_rack_visual.jpg "The SCS hardware landscape rack")
+
+The general aim of this environment is to install and operate the SCS reference implementation on hardware.
+In addition to the classic tasks in the area of quality assurance, the environment is also used to evaluate
+new concepts in the underlay(overlay network area, as a test environment for hardware-related developments,
+as a demonstration environment for interested parties and as a publicly accessible blueprint for users.
+The environment is designed for long-term use which a varying circle of users.
+
+The environment consists of 21 server and 12 switch components. The selection of hardware and the
+functions and properties used was designed so that the focus is on generally available or characteristic
+functions and dependency on manufacturer-specific functions is avoided. Instead of the x86 servers or SONiC
+switches used here, the realised environment could also be realised with hardware from other manufacturers.
+
+From 1 January 2025, the environment will be operated by [forum SCS-Standards](https://scs.community/2024/10/23/osba-forum-scs-standards/)
+and the participating companies.
+
+## Tasks and Objectives
+
+The tasks and objectives of the environments can be summarised as follows:
+
+* The division into several environments makes it possible to run a lab as well as to map a productive environment (near-live operation).
+* Operation of the compliance monitor (automated test for conformity with the SCS standards)
+* Implementation and validation of the developed standards in a reference environment
+* Analysis of problems in the interaction with the standards
+* Provision of proof-of-concept installations for interested parties who want to use, promote or further develop the project
+* The environment can be used by members of the SCS Standards forum and by contributors to the SCS community
+  as a development and test environment for open-source development in connection with the further development
+  of the SCS standards, SCS reference implementation and other relevant software components ('open-lab'/'near-live laboratory').
+* Continuous Integration Environment ('Zuul as a Service') - Operation of non-critical zuul worker instances
+
+## Installation details
+
+The available hardware was divided into two distinct application areas:
+
+* The **lab environment** consists exclusively of switch hardware used to evaluate, test and develop
+  concepts in the area of 'Software Defined Networking'. This means that various switch models can be
+  used to test and implement development tasks in the area of the open [SONiC](https://sonicfoundation.dev/) NOS
+  (a network operating system based on Debian Linux) or provisioning automation tasks in the SONiC environment with the
+  open-source system Netbox, a solution that is used primarily for IPAM and DCIM (IP Address Management, Data Center Infrastructure Management).
+* The **production environment** is an exemplary installation of the relevant or most reference implementations with regard to an
+  SCS system. It follows a configuration or approach that is based on the needs and circumstances of a real and much larger environment.
+  To this end, characteristic infrastructure components were automatically installed on the manager nodes used for the installation.
+
+The setup of the entire environment is designed in such a way that it can be reproducibly restored or reset.
+Therefore, the Ansible automation available via OSISM was used in many areas.
+Areas that could not be usefully automated using Ansible were implemented using a Python command-line tooling stored in the GIT repository.
+
+## Available documentation
+
+The primary point of information and orientation is the [*readme file*](https://github.com/SovereignCloudStack/hardware-landscape?tab=readme-ov-file#references)
+which is stored at the top level of the [configuration repository](https://github.com/SovereignCloudStack/hardware-landscape).
+
+The relevant **References** section refers here to the individual documentation areas.

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