| 1191 | Path MTU discoveryJ. Mogul, S. Deering | Draft Standard | November 1990 |
| 2018 | TCP Selective Acknowledgment OptionsM. Mathis, J. Mahdavi, S. Floyd, A. Romanow | Proposed Standard | October 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 3042 | Enhancing TCP's Loss Recovery Using Limited TransmitM. Allman, H. Balakrishnan, S. Floyd | Proposed Standard | January 2001 |
| 3168 | The Addition of Explicit Congestion Notification (ECN) to IPK. Ramakrishnan, S. Floyd, D. Black | Proposed Standard | September 2001 |
| 3517 | A Conservative Selective Acknowledgment (SACK)-based Loss Recovery Algorithm for TCPE. Blanton, M. Allman, K. Fall, L. Wang · obsoleted by RFC 6675 | Proposed Standard | April 2003 |
| 4821 | Packetization Layer Path MTU DiscoveryM. Mathis, J. Heffner | Proposed Standard | March 2007 |
| 5681 | TCP Congestion ControlM. Allman, V. Paxson, E. Blanton | Draft Standard | September 2009 |
| 6582 | The NewReno Modification to TCP's Fast Recovery AlgorithmT. Henderson, S. Floyd, A. Gurtov, Y. Nishida | Proposed Standard | April 2012 |
| 6675 | A Conservative Loss Recovery Algorithm Based on Selective Acknowledgment (SACK) for TCPE. Blanton, M. Allman, L. Wang, I. Jarvinen, M. Kojo, Y. Nishida | Proposed Standard | August 2012 |
| 6937 | Proportional Rate Reduction for TCPM. Mathis, N. Dukkipati, Y. Cheng · obsoleted by RFC 9937 | Experimental | May 2013 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8201 | Path MTU Discovery for IP version 6J. McCann, S. Deering, J. Mogul, R. Hinden, Ed. | Internet Standard | July 2017 |
| 8985 | The RACK-TLP Loss Detection Algorithm for TCPY. Cheng, N. Cardwell, N. Dukkipati, P. Jha | Proposed Standard | February 2021 |
| 9293 | Transmission Control Protocol (TCP)W. Eddy, Ed. | Internet Standard | August 2022 |
| 9438 | CUBIC for Fast and Long-Distance NetworksL. Xu, S. Ha, I. Rhee, V. Goel, L. Eggert, Ed. | Proposed Standard | August 2023 |
| 9743 | Specifying New Congestion Control AlgorithmsM. Duke, Ed., G. Fairhurst, Ed. | Best Current Practice | March 2025 |