| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2474 | Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 HeadersK. Nichols, S. Blake, F. Baker, D. Black | Proposed Standard | December 1998 |
| 2475 | An Architecture for Differentiated ServicesS. Blake, D. Black, M. Carlson, E. Davies, Z. Wang, W. Weiss | Informational | December 1998 |
| 2597 | Assured Forwarding PHB GroupJ. Heinanen, F. Baker, W. Weiss, J. Wroclawski | Proposed Standard | June 1999 |
| 2702 | Requirements for Traffic Engineering Over MPLSD. Awduche, J. Malcolm, J. Agogbua, M. O'Dell, J. McManus | Informational | September 1999 |
| 3031 | Multiprotocol Label Switching ArchitectureE. Rosen, A. Viswanathan, R. Callon | Proposed Standard | January 2001 |
| 3086 | Definition of Differentiated Services Per Domain Behaviors and Rules for their SpecificationK. Nichols, B. Carpenter | Informational | April 2001 |
| 3209 | RSVP-TE: Extensions to RSVP for LSP TunnelsD. Awduche, L. Berger, D. Gan, T. Li, V. Srinivasan, G. Swallow | Proposed Standard | December 2001 |
| 3246 | An Expedited Forwarding PHB (Per-Hop Behavior)B. Davie, A. Charny, J.C.R. Bennet, K. Benson, J.Y. Le Boudec, W. Courtney, S. Davari, V. Firoiu, D. Stiliadis | Proposed Standard | March 2002 |
| 3260 | New Terminology and Clarifications for DiffservD. Grossman | Informational | April 2002 |
| 3270 | Multi-Protocol Label Switching (MPLS) Support of Differentiated ServicesF. Le Faucheur, Ed., L. Wu, B. Davie, S. Davari, P. Vaananen, R. Krishnan, P. Cheval, J. Heinanen | Proposed Standard | May 2002 |
| 3272 | Overview and Principles of Internet Traffic EngineeringD. Awduche, A. Chiu, A. Elwalid, I. Widjaja, X. Xiao · obsoleted by RFC 9522 | Informational | May 2002 |
| 3386 | Network Hierarchy and Multilayer SurvivabilityW. Lai, Ed., D. McDysan, Ed. | Informational | November 2002 |