Where classic data centres were still operated with a great deal of manual work, awkwardly and often wrongly dimensioned and not very innovative, an initial drive has made it possible to modernise the data centre by installing virtualisation solutions to react more flexibly to the need for resources. Based on this, further automation measures have now allowed us to create cloud infrastructures precisely tailored to the needs of the digital transformation process. They are no longer the eye of the needle for digital strategies, but the enabler, because they first and foremost enable modern concepts such as DevOps, continuous delivery and high availability.