| 9937 | Proportional Rate Reduction (PRR)M. Mathis, N. Cardwell, Y. Cheng, N. Dukkipati | Proposed Standard | December 2025 |
| 9768 | More Accurate Explicit Congestion Notification (AccECN) Feedback in TCPB. Briscoe, M. Kühlewind, R. Scheffenegger | Proposed Standard | April 2026 |
| 9648 | YANG Data Model for TCPM. Scharf, M. Jethanandani, V. Murgai | Proposed Standard | October 2024 |
| 9438 | CUBIC for Fast and Long-Distance NetworksL. Xu, S. Ha, I. Rhee, V. Goel, L. Eggert, Ed. | Proposed Standard | August 2023 |
| 9406 | HyStart++: Modified Slow Start for TCPP. Balasubramanian, Y. Huang, M. Olson | Proposed Standard | May 2023 |
| 9293 | Transmission Control Protocol (TCP)W. Eddy, Ed. | Internet Standard | August 2022 |
| 9235 | TCP Authentication Option (TCP-AO) Test VectorsJ. Touch, J. Kuusisaari | Informational | May 2022 |
| 9040 | TCP Control Block InterdependenceJ. Touch, M. Welzl, S. Islam | Informational | July 2021 |
| 8985 | The RACK-TLP Loss Detection Algorithm for TCPY. Cheng, N. Cardwell, N. Dukkipati, P. Jha | Proposed Standard | February 2021 |
| 8961 | Requirements for Time-Based Loss DetectionM. Allman | Best Current Practice | November 2020 |
| 8803 | 0-RTT TCP Convert ProtocolO. Bonaventure, Ed., M. Boucadair, Ed., S. Gundavelli, S. Seo, B. Hesmans | Experimental | July 2020 |
| 8511 | TCP Alternative Backoff with ECN (ABE)N. Khademi, M. Welzl, G. Armitage, G. Fairhurst | Experimental | December 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 |
| 8257 | Data Center TCP (DCTCP): TCP Congestion Control for Data CentersS. Bensley, D. Thaler, P. Balasubramanian, L. Eggert, G. Judd | Informational | October 2017 |
| 7805 | Moving Outdated TCP Extensions and TCP-Related Documents to Historic or Informational StatusA. Zimmermann, W. Eddy, L. Eggert | Informational | April 2016 |
| 7765 | TCP and Stream Control Transmission Protocol (SCTP) RTO RestartP. Hurtig, A. Brunstrom, A. Petlund, M. Welzl | Experimental | February 2016 |
| 7661 | Updating TCP to Support Rate-Limited TrafficG. Fairhurst, A. Sathiaseelan, R. Secchi | Experimental | October 2015 |
| 7560 | Problem Statement and Requirements for Increased Accuracy in Explicit Congestion Notification (ECN) FeedbackM. Kuehlewind, Ed., R. Scheffenegger, B. Briscoe | Informational | August 2015 |
| 7414 | A Roadmap for Transmission Control Protocol (TCP) Specification DocumentsM. Duke, R. Braden, W. Eddy, E. Blanton, A. Zimmermann | Informational | February 2015 |
| 7413 | TCP Fast OpenY. Cheng, J. Chu, S. Radhakrishnan, A. Jain | Experimental | December 2014 |
| 7323 | TCP Extensions for High PerformanceD. Borman, B. Braden, V. Jacobson, R. Scheffenegger, Ed. | Proposed Standard | September 2014 |
| 6994 | Shared Use of Experimental TCP OptionsJ. Touch | Proposed Standard | August 2013 |
| 6937 | Proportional Rate Reduction for TCPM. Mathis, N. Dukkipati, Y. Cheng · obsoleted by RFC 9937 | Experimental | May 2013 |
| 6928 | Increasing TCP's Initial WindowJ. Chu, N. Dukkipati, Y. Cheng, M. Mathis | Experimental | April 2013 |
| 6691 | TCP Options and Maximum Segment Size (MSS)D. Borman · obsoleted by RFC 9293 | Informational | July 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 |
| 6582 | The NewReno Modification to TCP's Fast Recovery AlgorithmT. Henderson, S. Floyd, A. Gurtov, Y. Nishida | Proposed Standard | April 2012 |
| 6528 | Defending against Sequence Number AttacksF. Gont, S. Bellovin · obsoleted by RFC 9293 | Proposed Standard | February 2012 |
| 6429 | TCP Sender Clarification for Persist ConditionM. Bashyam, M. Jethanandani, A. Ramaiah · obsoleted by RFC 9293 | Informational | December 2011 |
| 6298 | Computing TCP's Retransmission TimerV. Paxson, M. Allman, J. Chu, M. Sargent | Proposed Standard | June 2011 |
| 6247 | Moving the Undeployed TCP Extensions RFC 1072, RFC 1106, RFC 1110, RFC 1145, RFC 1146, RFC 1379, RFC 1644, and RFC 1693 to Historic StatusL. Eggert | Informational | May 2011 |
| 6191 | Reducing the TIME-WAIT State Using TCP TimestampsF. Gont | Best Current Practice | April 2011 |
| 6093 | On the Implementation of the TCP Urgent MechanismF. Gont, A. Yourtchenko · obsoleted by RFC 9293 | Proposed Standard | January 2011 |
| 6069 | Making TCP More Robust to Long Connectivity Disruptions (TCP-LCD)A. Zimmermann, A. Hannemann | Experimental | December 2010 |
| 5961 | Improving TCP's Robustness to Blind In-Window AttacksA. Ramaiah, R. Stewart, M. Dalal | Proposed Standard | August 2010 |
| 5927 | ICMP Attacks against TCPF. Gont | Informational | July 2010 |
| 5926 | Cryptographic Algorithms for the TCP Authentication Option (TCP-AO)G. Lebovitz, E. Rescorla | Proposed Standard | June 2010 |
| 5925 | The TCP Authentication OptionJ. Touch, A. Mankin, R. Bonica | Proposed Standard | June 2010 |
| 5827 | Early Retransmit for TCP and Stream Control Transmission Protocol (SCTP)M. Allman, K. Avrachenkov, U. Ayesta, J. Blanton, P. Hurtig | Experimental | April 2010 |
| 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 |
| 5681 | TCP Congestion ControlM. Allman, V. Paxson, E. Blanton | Draft Standard | September 2009 |
| 5562 | Adding Explicit Congestion Notification (ECN) Capability to TCP's SYN/ACK PacketsA. Kuzmanovic, A. Mondal, S. Floyd, K. Ramakrishnan | Experimental | June 2009 |
| 5482 | TCP User Timeout OptionL. Eggert, F. Gont | Proposed Standard | March 2009 |
| 5461 | TCP's Reaction to Soft ErrorsF. Gont | Informational | February 2009 |
| 4987 | TCP SYN Flooding Attacks and Common MitigationsW. Eddy | Informational | August 2007 |
| 4953 | Defending TCP Against Spoofing AttacksJ. Touch | Informational | July 2007 |
| 4653 | Improving the Robustness of TCP to Non-Congestion EventsS. Bhandarkar, A. L. N. Reddy, M. Allman, E. Blanton | Experimental | August 2006 |
| 4614 | A Roadmap for Transmission Control Protocol (TCP) Specification DocumentsM. Duke, R. Braden, W. Eddy, E. Blanton · obsoleted by RFC 7414 | Informational | September 2006 |
| 4138 | Forward RTO-Recovery (F-RTO): An Algorithm for Detecting Spurious Retransmission Timeouts with TCP and the Stream Control Transmission Protocol (SCTP)P. Sarolahti, M. Kojo | Experimental | August 2005 |