IEEE 802.3ba

IEEE 802.3ba (also known by its proposed standard name IEEE P802.3ba) is an IEEE standard of the 802.3 family of data link layer standards for Ethernet LAN and WAN applications, whose objective is to support speeds faster than 10 gigabits per second (Gbit/s). The standard supports 40 Gbit/s and 100 Gbit/s transfer rates.

Read more about IEEE 802.3ba:  History, Standards, First Commercial 100GE Trials and Deployments, Standardization Time Line