Next: The VLT Data Flow System, a flexible science support operations engine . ... Gaia is an ambitious mission to chart a three-dimensional map of our Galaxy, the Milky Way, in the process revealing its composition, formation and evolution. ... On the one hand, it aims to collect a relatively complete set of algorithms required to process Gaia Data and obtain from them estimates on CPU power, memory and archive size for the whole mission. ... Figure 3: Overview of the Gaia data processing . ...