In Pictures: 20 milestones in Ethernet's first 40 ...
Only four years after 10G, the IEEE formed a study group to investigate another order of magnitude leap in Ethernet speed, this time to 100G. But disagreement about speeds complicated the process of developing a standard. Server vendors said they wouldn't need 100G adapters until years later so they demanded a 40G Ethernet standard. In any event, a joint 40/100G 802.3ab Ethernet standard was ratified in 2010.
In Pictures: 20 milestones in Ethernet's first 40 years