In embodiments of the present invention improved capabilities are described for a updating software in a plurality of devices coupled to one another in a communicating relationship through a local network, the method comprising receiving a descriptor file for a software update at the first device from a remote source outside the local network, the descriptor file including a hash code for each of a plurality of update sub-files and an order for assembling the update sub-files into the software update, downloading the plurality of update sub-files to the first device from a remote source outside the local network until the sub-files identified in the descriptor file are present on the first device, where a presence of the sub-files is evaluated using the hash codes in the descriptor file, and broadcasting every one of the plurality of update sub-files from the first device to the number of other devices.