Abstract: A stellate store and broadcast network with collision avoidance comprising a plurality of terminal devices, a central station for collectively relaying data packets issuing from the terminal devices and broadcasting them to the relevant terminal devices, and bidirectional communication channels interposed one each between the terminal devices and the central station, which stellate store and broadcast network is characterized by further incorporating therein reception memories disposed one each at the terminal interfaces of the central station, control circuits for monitoring the statuses of the reception memories, and means for broadcasting the data read out of the reception memories to all the reception lines.