A data switch for network communications includes a data port interface which supports at least one data port which transmits and receives data. The switch also includes a CPU interface, where the CPU interface is configured to communicate with a CPU, and a memory management unit, including a memory...http://www.google.com.au/patents/US7355970?utm_source=gb-gplus-sharePatent US7355970 - Method and apparatus for enabling access on a network switch
