| 1195 | Use of OSI IS-IS for routing in TCP/IP and dual environmentsR. Callon | Proposed Standard | December 1990 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 3209 | RSVP-TE: Extensions to RSVP for LSP TunnelsD. Awduche, L. Berger, D. Gan, T. Li, V. Srinivasan, G. Swallow | Proposed Standard | December 2001 |
| 4216 | MPLS Inter-Autonomous System (AS) Traffic Engineering (TE) RequirementsR. Zhang, Ed., J.-P. Vasseur, Ed. | Informational | November 2005 |
| 4271 | A Border Gateway Protocol 4 (BGP-4)Y. Rekhter, Ed., T. Li, Ed., S. Hares, Ed. | Draft Standard | January 2006 |
| 4655 | A Path Computation Element (PCE)-Based ArchitectureA. Farrel, J.-P. Vasseur, J. Ash | Informational | August 2006 |
| 5152 | A Per-Domain Path Computation Method for Establishing Inter-Domain Traffic Engineering (TE) Label Switched Paths (LSPs)JP. Vasseur, Ed., A. Ayyangar, Ed., R. Zhang | Proposed Standard | February 2008 |
| 5304 | IS-IS Cryptographic AuthenticationT. Li, R. Atkinson | Proposed Standard | October 2008 |
| 5305 | IS-IS Extensions for Traffic EngineeringT. Li, H. Smit | Proposed Standard | October 2008 |
| 5307 | IS-IS Extensions in Support of Generalized Multi-Protocol Label Switching (GMPLS)K. Kompella, Ed., Y. Rekhter, Ed. | Proposed Standard | October 2008 |
| 5308 | Routing IPv6 with IS-ISC. Hopps | Proposed Standard | October 2008 |
| 5310 | IS-IS Generic Cryptographic AuthenticationM. Bhatia, V. Manral, T. Li, R. Atkinson, R. White, M. Fanto | Proposed Standard | February 2009 |
| 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 |
| 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 |
| 5925 | The TCP Authentication OptionJ. Touch, A. Mankin, R. Bonica | Proposed Standard | June 2010 |
| 6119 | IPv6 Traffic Engineering in IS-ISJ. Harrison, J. Berger, M. Bartlett | Proposed Standard | February 2011 |
| 6823 | Advertising Generic Information in IS-ISL. Ginsberg, S. Previdi, M. Shand | Proposed Standard | December 2012 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 7981 | IS-IS Extensions for Advertising Router InformationL. Ginsberg, S. Previdi, M. Chen | Proposed Standard | October 2016 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |