Atos has worked extensively with customers and cloud hyperscalers (Azure, GCP, AWS) to make use of the possibilities of the cloud. It is our view that understanding cloud architecture is essential in taking the right decisions in this journey to cloud. In this presentation Peter Retera, CTO of Atos in the Benelux and the Nordics will share his understanding and experience about this journey by ecplaining the model and illustrate this with customer cases, among which our work for the Olympic Games.