PROCESSING, ON MULTIPLE PROCESSORS, DATA FLOWS RECEIVED THROUGH A SINGLE SOCKET

A data processing system supporting a network interface device and comprising: a plurality of sets of one or more data processing cores; and an operating system arranged to support at least one socket operable to accept data received from the network, the data belonging to one of a plurality of data flows; wherein the socket is configured to provide an instance of at least some of the state associated with the data flows per said set of data processing cores.