The invention relates to a method for joining a cluster comprising a plurality of communicating electronic devices. It also relates to any electronic device implementing said join method and any system comprising such a device. The latter advantageously comprises a processing unit, a data memory containing the value of an identifier dedicated to the device and a record to contain the current value of an identifier of a device acting as cluster head and a datum expressing the capacity of the latter to perform a specific service. The device also comprises a program memory containing instructions of a program the execution or interpretation of which by the processing unit causes the implementation of the join method.