Embodiments of the present disclosure provide a communication method, a remote device and a computer readable medium. In this method, a remote device receives from one of a plurality of core devices connected to the remote device, configuration indicating a priority of at least one of the plurality of core devices for serving as a principal core device of the remote device. The remote device updates priorities of the plurality of core devices for serving as the principal core device based on the configuration. In response to a trigger condition for a switchover being satisfied, the remote device reselects the principal core device of the remote device from the plurality of core devices based on the updated priorities. Embodiments of the present disclosure improve the process that a remote device reselects a principal core device.