Amendment 3 to Recommendation ITU-T G.798 (2012): -adds Beyond 10 Gbit/s equipment functions and processes -includes the specification of OTUCn and ODUCn functions by generalizes OTUk and ODUk functions to OTU and ODU -adds ODUflex to FlexE client and subgroup adaptation functions -adds FlexO functions and processes -deletes the ODU virtual concatenation functions -deletes the ODUkP to ATM adaptation functions -removes the processes related to the TCM ACT and FTFL overhead fields