Summary

This Recommendation provides the motivations and requirements for user-plane operation, administration, and maintenance (OAM) functionality for ETH layer in Ethernet-based networks and Ethernet services. This Recommendation includes the requirements for OAM functions for the point‑to-point and multipoint-to-multipoint maintenance entities (MEs) including both dedicated and shared access. It is noted that this Recommendation does not address the administration aspects of OAM.