| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 4385 | Pseudowire Emulation Edge-to-Edge (PWE3) Control Word for Use over an MPLS PSNS. Bryant, G. Swallow, L. Martini, D. McPherson | Proposed Standard | February 2006 |
| 4446 | IANA Allocations for Pseudowire Edge to Edge Emulation (PWE3)L. Martini | Best Current Practice | April 2006 |
| 5085 | Pseudowire Virtual Circuit Connectivity Verification (VCCV): A Control Channel for PseudowiresT. Nadeau, Ed., C. Pignataro, Ed. | Proposed Standard | December 2007 |
| 5226 | Guidelines for Writing an IANA Considerations Section in RFCsT. Narten, H. Alvestrand · obsoleted by RFC 8126 | Best Current Practice | May 2008 |
| 5586 | MPLS Generic Associated ChannelM. Bocci, Ed., M. Vigoureux, Ed., S. Bryant, Ed. | Proposed Standard | June 2009 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 5860 | Requirements for Operations, Administration, and Maintenance (OAM) in MPLS Transport NetworksM. Vigoureux, Ed., D. Ward, Ed., M. Betts, Ed. | Proposed Standard | May 2010 |
| 5880 | Bidirectional Forwarding Detection (BFD)D. Katz, D. Ward | Proposed Standard | June 2010 |
| 5884 | Bidirectional Forwarding Detection (BFD) for MPLS Label Switched Paths (LSPs)R. Aggarwal, K. Kompella, T. Nadeau, G. Swallow | Proposed Standard | June 2010 |
| 5885 | Bidirectional Forwarding Detection (BFD) for the Pseudowire Virtual Circuit Connectivity Verification (VCCV)T. Nadeau, Ed., C. Pignataro, Ed. | Proposed Standard | June 2010 |
| 5921 | A Framework for MPLS in Transport NetworksM. Bocci, Ed., S. Bryant, Ed., D. Frost, Ed., L. Levrau, L. Berger | Informational | July 2010 |
| 6291 | Guidelines for the Use of the "OAM" Acronym in the IETFL. Andersson, H. van Helvoort, R. Bonica, D. Romascanu, S. Mansfield | Best Current Practice | June 2011 |
| 6370 | MPLS Transport Profile (MPLS-TP) IdentifiersM. Bocci, G. Swallow, E. Gray | Proposed Standard | September 2011 |
| 6371 | Operations, Administration, and Maintenance Framework for MPLS-Based Transport NetworksI. Busi, Ed., D. Allan, Ed. | Informational | September 2011 |
| 6427 | MPLS Fault Management Operations, Administration, and Maintenance (OAM)G. Swallow, Ed., A. Fulignoli, Ed., M. Vigoureux, Ed., S. Boutros, D. Ward | Proposed Standard | November 2011 |