The USB/IP shared USB system over IP network
http://usbip.sourceforge.net/

The USB/IP Project aims to develop a general USB device sharing system
over IP network. To share USB devices between computers with their full
functionality, USB/IP encapsulates "USB I/O messages" into IP packets
and transmits them between computers. Original USB device drivers and
applications can be also used for remote USB devices without any
modification of them. A computer can use remote USB devices as if they
were directly attached; for example, we can ...