A system is described having a network, a bus and an interface coupling the network to the bus. A host is coupled to the network and executes software to generate packets for communication on the network. A bus device is coupled to the bus. The interface and host coordinate to transport bus device packets...http://www.google.com.au/patents/US7505455?utm_source=gb-gplus-sharePatent US7505455 - Optimizations for tunneling between a bus and a network
