The Lyon metro; The Lille, Le Mans, or Melbourne tram systems? Keolis helped to design these transport systems and operates them on a daily basis. Keolis Orléans wanted a solution that is able to anticipate business evolution: the number of virtualized desktops will not be known in advance, and the volume of associated data will be even harder to predict. A high-performance, scale-out array is therefore needed, one that can be easily integrated into the highly virtualized IT environment.