| 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 |
| 3168 | The Addition of Explicit Congestion Notification (ECN) to IPK. Ramakrishnan, S. Floyd, D. Black | Proposed Standard | September 2001 |
| 3465 | TCP Congestion Control with Appropriate Byte Counting (ABC)M. Allman | Experimental | February 2003 |
| 5681 | TCP Congestion ControlM. Allman, V. Paxson, E. Blanton | Draft Standard | September 2009 |
| 5682 | Forward RTO-Recovery (F-RTO): An Algorithm for Detecting Spurious Retransmission Timeouts with TCPP. Sarolahti, M. Kojo, K. Yamamoto, M. Hata | Proposed Standard | September 2009 |
| 5827 | Early Retransmit for TCP and Stream Control Transmission Protocol (SCTP)M. Allman, K. Avrachenkov, U. Ayesta, J. Blanton, P. Hurtig | Experimental | April 2010 |
| 6298 | Computing TCP's Retransmission TimerV. Paxson, M. Allman, J. Chu, M. Sargent | Proposed Standard | June 2011 |
| 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 |
| 6928 | Increasing TCP's Initial WindowJ. Chu, N. Dukkipati, Y. Cheng, M. Mathis | Experimental | April 2013 |
| 6937 | Proportional Rate Reduction for TCPM. Mathis, N. Dukkipati, Y. Cheng · obsoleted by RFC 9937 | Experimental | May 2013 |
| 7661 | Updating TCP to Support Rate-Limited TrafficG. Fairhurst, A. Sathiaseelan, R. Secchi | Experimental | October 2015 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 8085 | UDP Usage GuidelinesL. Eggert, G. Fairhurst, G. Shepherd | Best Current Practice | March 2017 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8311 | Relaxing Restrictions on Explicit Congestion Notification (ECN) ExperimentationD. Black | Proposed Standard | January 2018 |
| 8312 | CUBIC for Fast Long-Distance NetworksI. Rhee, L. Xu, S. Ha, A. Zimmermann, L. Eggert, R. Scheffenegger · obsoleted by RFC 9438 | Informational | February 2018 |
| 8511 | TCP Alternative Backoff with ECN (ABE)N. Khademi, M. Welzl, G. Armitage, G. Fairhurst | Experimental | December 2018 |
| 8985 | The RACK-TLP Loss Detection Algorithm for TCPY. Cheng, N. Cardwell, N. Dukkipati, P. Jha | Proposed Standard | February 2021 |
| 9000 | QUIC: A UDP-Based Multiplexed and Secure TransportJ. Iyengar, Ed., M. Thomson, Ed. | Proposed Standard | May 2021 |
| 9001 | Using TLS to Secure QUICM. Thomson, Ed., S. Turner, Ed. | Proposed Standard | May 2021 |