IEEE officially released its 802.3by Standard for Media Access Control Parameters, Physical Layers and Management Parameters for 25 Gb/s Operation.
The standard defines single-lane 25 Gb/s PHYs for operation over electrical backplanes, copper twin axial cables with lengths up to 3-5 meters and multimode fiber with lengths up to 100m.
IEE said this new amendment to 802.3 represents the first available industry standard developed specifically to address the growing need for increased Ethernet speeds for server interconnects exceeding 10 Gb/s, and one that offers cost-saving advantages over current higher speed Ethernet offerings.