| 768 | User Datagram ProtocolJ. Postel | Internet Standard | August 1980 |
| 791 | Internet ProtocolJ. Postel | Internet Standard | September 1981 |
| 792 | Internet Control Message ProtocolJ. Postel | Internet Standard | September 1981 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2212 | Specification of Guaranteed Quality of ServiceS. Shenker, C. Partridge, R. Guerin | Proposed Standard | September 1997 |
| 2330 | Framework for IP Performance MetricsV. Paxson, G. Almes, J. Mahdavi, M. Mathis | Informational | May 1998 |
| 2460 | Internet Protocol, Version 6 (IPv6) SpecificationS. Deering, R. Hinden · obsoleted by RFC 8200 | Draft Standard | December 1998 |
| 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 |
| 2679 | A One-way Delay Metric for IPPMG. Almes, S. Kalidindi, M. Zekauskas · obsoleted by RFC 7679 | Proposed Standard | September 1999 |
| 2914 | Congestion Control PrinciplesS. Floyd | Best Current Practice | September 2000 |
| 3032 | MPLS Label Stack EncodingE. Rosen, D. Tappan, G. Fedorkow, Y. Rekhter, D. Farinacci, T. Li, A. Conta | Proposed Standard | January 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 |
| 3550 | RTP: A Transport Protocol for Real-Time ApplicationsH. Schulzrinne, S. Casner, R. Frederick, V. Jacobson | Internet Standard | July 2003 |
| 3711 | The Secure Real-time Transport Protocol (SRTP)M. Baugher, D. McGrew, M. Naslund, E. Carrara, K. Norrman | Proposed Standard | March 2004 |
| 3931 | Layer Two Tunneling Protocol - Version 3 (L2TPv3)J. Lau, Ed., M. Townsley, Ed., I. Goyret, Ed. | Proposed Standard | March 2005 |
| 3985 | Pseudo Wire Emulation Edge-to-Edge (PWE3) ArchitectureS. Bryant, Ed., P. Pate, Ed. | Informational | March 2005 |
| 4086 | Randomness Requirements for SecurityD. Eastlake 3rd, J. Schiller, S. Crocker | Best Current Practice | June 2005 |
| 4197 | Requirements for Edge-to-Edge Emulation of Time Division Multiplexed (TDM) Circuits over Packet Switching NetworksM. Riegel, Ed. | Informational | October 2005 |
| 4301 | Security Architecture for the Internet ProtocolS. Kent, K. Seo | Proposed Standard | December 2005 |
| 4379 | Detecting Multi-Protocol Label Switched (MPLS) Data Plane FailuresK. Kompella, G. Swallow · obsoleted by RFC 8029 | Proposed Standard | February 2006 |
| 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 |
| 4447 | Pseudowire Setup and Maintenance Using the Label Distribution Protocol (LDP)L. Martini, Ed., E. Rosen, N. El-Aawar, T. Smith, G. Heron · obsoleted by RFC 8077 | Proposed Standard | April 2006 |
| 4553 | Structure-Agnostic Time Division Multiplexing (TDM) over Packet (SAToP)A. Vainshtein, Ed., YJ. Stein, Ed. | Proposed Standard | June 2006 |
| 4618 | Encapsulation Methods for Transport of PPP/High-Level Data Link Control (HDLC) over MPLS NetworksL. Martini, E. Rosen, G. Heron, A. Malis | Proposed Standard | September 2006 |
| 5085 | Pseudowire Virtual Circuit Connectivity Verification (VCCV): A Control Channel for PseudowiresT. Nadeau, Ed., C. Pignataro, Ed. | Proposed Standard | December 2007 |
| 5086 | Structure-Aware Time Division Multiplexed (TDM) Circuit Emulation Service over Packet Switched Network (CESoPSN)A. Vainshtein, Ed., I. Sasson, E. Metz, T. Frost, P. Pate | Informational | December 2007 |