This white paper provides a brief tutorial on Ethernet – a family of standards that
defines several well-established 10 Mbps networking technologies and three
newer, high-speed offerings, Fast Ethernet, Gigabit Ethernet, and 10 Gigabit
Ethernet. It is intended for carrier network professionals, experts in the circuitswitched
technologies employed in public switched telephone networks (PSTN)
but often new to Ethernet and data networking.