| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 3630 | Traffic Engineering (TE) Extensions to OSPF Version 2D. Katz, K. Kompella, D. Yeung | Proposed Standard | October 2003 |
| 4655 | A Path Computation Element (PCE)-Based ArchitectureA. Farrel, J.-P. Vasseur, J. Ash | Informational | August 2006 |
| 5305 | IS-IS Extensions for Traffic EngineeringT. Li, H. Smit | Proposed Standard | October 2008 |
| 5316 | ISIS Extensions in Support of Inter-Autonomous System (AS) MPLS and GMPLS Traffic EngineeringM. Chen, R. Zhang, X. Duan · obsoleted by RFC 9346 | Proposed Standard | December 2008 |
| 5392 | OSPF Extensions in Support of Inter-Autonomous System (AS) MPLS and GMPLS Traffic EngineeringM. Chen, R. Zhang, X. Duan | Proposed Standard | January 2009 |
| 5440 | Path Computation Element (PCE) Communication Protocol (PCEP)JP. Vasseur, Ed., JL. Le Roux, Ed. | Proposed Standard | March 2009 |
| 5441 | A Backward-Recursive PCE-Based Computation (BRPC) Procedure to Compute Shortest Constrained Inter-Domain Traffic Engineering Label Switched PathsJP. Vasseur, Ed., R. Zhang, N. Bitar, JL. Le Roux | Proposed Standard | April 2009 |
| 5511 | Routing Backus-Naur Form (RBNF): A Syntax Used to Form Encoding Rules in Various Routing Protocol SpecificationsA. Farrel | Proposed Standard | April 2009 |
| 5541 | Encoding of Objective Functions in the Path Computation Element Communication Protocol (PCEP)JL. Le Roux, JP. Vasseur, Y. Lee | Proposed Standard | June 2009 |
| 5623 | Framework for PCE-Based Inter-Layer MPLS and GMPLS Traffic EngineeringE. Oki, T. Takeda, JL. Le Roux, A. Farrel | Informational | September 2009 |
| 5925 | The TCP Authentication OptionJ. Touch, A. Mankin, R. Bonica | Proposed Standard | June 2010 |
| 6049 | Spatial Composition of MetricsA. Morton, E. Stephan | Proposed Standard | January 2011 |
| 6374 | Packet Loss and Delay Measurement for MPLS NetworksD. Frost, S. Bryant | Proposed Standard | September 2011 |
| 7420 | Path Computation Element Communication Protocol (PCEP) Management Information Base (MIB) ModuleA. Koushik, E. Stephan, Q. Zhao, D. King, J. Hardwick | Proposed Standard | December 2014 |
| 7471 | OSPF Traffic Engineering (TE) Metric ExtensionsS. Giacalone, D. Ward, J. Drake, A. Atlas, S. Previdi | Proposed Standard | March 2015 |
| 7810 | IS-IS Traffic Engineering (TE) Metric ExtensionsS. Previdi, Ed., S. Giacalone, D. Ward, J. Drake, Q. Wu · obsoleted by RFC 8570 | Proposed Standard | May 2016 |
| 7823 | Performance-Based Path Selection for Explicitly Routed Label Switched Paths (LSPs) Using TE Metric ExtensionsA. Atlas, J. Drake, S. Giacalone, S. Previdi | Informational | May 2016 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 8126 | Guidelines for Writing an IANA Considerations Section in RFCsM. Cotton, B. Leiba, T. Narten | Best Current Practice | June 2017 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8231 | Path Computation Element Communication Protocol (PCEP) Extensions for Stateful PCEE. Crabbe, I. Minei, J. Medved, R. Varga | Proposed Standard | September 2017 |