A data transportation protocol (13, 21) for transferring data within a wireless network (6), the protocol (13, 21) comprising: a block I/O interface layer (40) to provide a single level of translation between block I/O storage protocol commands and network packets; and a wireless transport layer (41) to transport the network packets between a client (6A) and server (6B) within the network (6); wherein the block I/O interface layer (40) performs operations directly on a storage device driver (23) and a network device driver (14, 20) of the client (6A) and server (6B).