Today, many companies in the world are grouping together and merging or being acquired for strategic reasons. IT services are the first to be impacted. This book will give you a quick approach to an IT integration in the current context. It covers many key aspects such as dematerialization, server and data virtualization, outsourcing of e-mail, services and cloud computing, important points to be tackled in the various phases, as well as various reflections, advice , On the positive and negative aspects, thus giving you the keys to a successful integration.