Recommendation ITU-T G.8032/Y.1344 defines the automatic protection switching (APS) protocol and protection switching mechanisms for Ethernet layer network (ETH) ring topologies. Included are details pertaining to Ethernet ring protection characteristics, architectures and the ring APS (R-APS) protocol.

Amendment 1 provides support for management information indicating the node state of an Ethernet ring node and the port states of an Ethernet ring node's ports. It also updates references to Recommendation ITU-T G.870/Y.1352 with references to Recommendation ITU-T G.808.