ah Provider Backbone Bridges (MAC in MAC) 802.1Qay PBB-TE 802.3ah OAM for Ethernet in the First Mile 802.1ag Connectivity Fault Management 802.1AB Station and Media Access Control Connectivity Discovery 802.1ap Management Information Base definitions for VLAN Bridges 802.1AR Secure Device Identity In progress 802.1aq Shortest Path Bridging In progress ITU-T G.8110.1/Y.13.70.1 Architecture of Transport MPLS (T-MPLS) layer network Released G.8112/Y.1371 Interfaces for the Transport MPLS (T-MPLS) hierarchy Released G.8121/Y.1381 Characteristics of Transport MPLS (T-MPLS) equipment Released functional blocks G.8131/Y.1382 Linear protection switching for Transport MPLS (T-MPLS) Released networks Y.1711 Operation and Maintenance mechanism for MPLS network Released RFC3031 MPLS Architecture RFC4719 Transport of Ethernet Frames over Layer 2 Tunneling Protocol Version 3 RFC5586 MPLS Generic Associated Channel RFC5317 Joint Working Team (JWT) Report on MPLS Architectural Considerations for a Transport Profile RFC5654 Requirements of an MPLS Transport Profile RFC5860 Requirements for Operations, Administration, and Maintenance (OAM) in MPLS Transport Networks RFC5921 Framework for MPLS in Transport Networks MEF 2 Requirements and Framework for Ethernet Service Protection (falls under Reliability attribute) MEF 4 Metro Ethernet Network Architecture Framework Part 1: Generic Framework (falls under Architecture attribute) MEF 6 Metro Ethernet Services Definitions Phase I (falls under Standardized Services, Scalability and QoS attributes) MEF 7 EMS-NMS Information Model (falls under Service Management attribute) MEF 10.1 Ethernet Services Attributes Phase 2 MEF 11 User Network Interface (UNI) Requirements and Framework (falls under Architecture attribute) MEF 12 Metro Ethernet Network Architecture Framework Part 2: Ethernet Services Layer (falls under Architecture and Scalability attribute) MEF 17 Service OAM Framework and Requirements falls under Service Management attribute) Transmission Networks MPLS-TP T-MPLS (work ceased) 