FireWire, with the help of software, is well-suited for creating ad-hoc (terminals only, no routers) computer networks. Specifically, RFC 2734 specifies how to run IPv4 over the FireWire interface.
Linux, Windows XP and Mac OS X are popular operating systems that include support for networking over FireWire. FreeBSD and Windows XP provide Ethernet-networking over FireWire. A network between two computers can be created without a hub, much like the scanner to printer example above. Using one FireWire cable, data can be transferred quickly between the two computers with minimal networking configuration.