A method for reallocating a data processing peripheral server in an MEC architecture includes: a prior step of allocating a current peripheral server to process data for a mobile device, by a management unit, selecting a new peripheral server by the management unit, and notifying peripheral server reallocation to the current peripheral server by the management unit. The selecting is preceded by receiving, by the management unit, of a message dispatched by the mobile device and including a data item representative of a quality of service measured at the level of the mobile device.