| 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 |
| 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 |
| 9006 | TCP Usage Guidance in the Internet of Things (IoT)C. Gomez, J. Crowcroft, M. Scharf | Informational | March 2021 |
| 9002 | QUIC Loss Detection and Congestion ControlJ. Iyengar, Ed., I. Swett, Ed. | Proposed Standard | May 2021 |
| 9000 | QUIC: A UDP-Based Multiplexed and Secure TransportJ. Iyengar, Ed., M. Thomson, Ed. | Proposed Standard | May 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 |
| 8684 | TCP Extensions for Multipath Operation with Multiple AddressesA. Ford, C. Raiciu, M. Handley, O. Bonaventure, C. Paasch | Proposed Standard | March 2020 |
| 8548 | Cryptographic Protection of TCP Streams (tcpcrypt)A. Bittau, D. Giffin, M. Handley, D. Mazieres, Q. Slack, E. Smith | Experimental | May 2019 |
| 8517 | An Inventory of Transport-Centric Functions Provided by Middleboxes: An Operator PerspectiveD. Dolson, Ed., J. Snellman, M. Boucadair, Ed., C. Jacquenet | Informational | February 2019 |
| 8257 | Data Center TCP (DCTCP): TCP Congestion Control for Data CentersS. Bensley, D. Thaler, P. Balasubramanian, L. Eggert, G. Judd | Informational | October 2017 |
| 8095 | Services Provided by IETF Transport Protocols and Congestion Control MechanismsG. Fairhurst, Ed., B. Trammell, Ed., M. Kuehlewind, Ed. | Informational | March 2017 |
| 7786 | TCP Modifications for Congestion Exposure (ConEx)M. Kuehlewind, Ed., R. Scheffenegger | Experimental | May 2016 |
| 7713 | Congestion Exposure (ConEx) Concepts, Abstract Mechanism, and RequirementsM. Mathis, B. Briscoe | Informational | December 2015 |
| 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 |
| 7323 | TCP Extensions for High PerformanceD. Borman, B. Braden, V. Jacobson, R. Scheffenegger, Ed. | Proposed Standard | September 2014 |
| 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 |
| 6846 | RObust Header Compression (ROHC): A Profile for TCP/IP (ROHC-TCP)G. Pelletier, K. Sandlund, L-E. Jonsson, M. West | Proposed Standard | January 2013 |
| 6824 | TCP Extensions for Multipath Operation with Multiple AddressesA. Ford, C. Raiciu, M. Handley, O. Bonaventure · obsoleted by RFC 8684 | Experimental | January 2013 |
| 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 |
| 6349 | Framework for TCP Throughput TestingB. Constantine, G. Forget, R. Geib, R. Schrage | Informational | August 2011 |
| 6182 | Architectural Guidelines for Multipath TCP DevelopmentA. Ford, C. Raiciu, M. Handley, S. Barre, J. Iyengar | Informational | March 2011 |
| 6077 | Open Research Issues in Internet Congestion ControlD. Papadimitriou, Ed., M. Welzl, M. Scharf, B. Briscoe | Informational | February 2011 |
| 6013 | TCP Cookie Transactions (TCPCT)W. Simpson · obsoleted by RFC 7805 | Historic | January 2011 |
| 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 |
| 5382 | NAT Behavioral Requirements for TCPS. Guha, Ed., K. Biswas, B. Ford, S. Sivakumar, P. Srisuresh | Best Current Practice | October 2008 |
| 5326 | Licklider Transmission Protocol - SpecificationM. Ramadas, S. Burleigh, S. Farrell | Experimental | September 2008 |
| 5166 | Metrics for the Evaluation of Congestion Control MechanismsS. Floyd, Ed. | Informational | March 2008 |
| 5044 | Marker PDU Aligned Framing for TCP SpecificationP. Culley, U. Elzur, R. Recio, S. Bailey, J. Carrier | Proposed Standard | October 2007 |
| 4996 | RObust Header Compression (ROHC): A Profile for TCP/IP (ROHC-TCP)G. Pelletier, K. Sandlund, L-E. Jonsson, M. West · obsoleted by RFC 6846 | Proposed Standard | July 2007 |
| 4898 | TCP Extended Statistics MIBM. Mathis, J. Heffner, R. Raghunarayan | Proposed Standard | May 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 |
| 4413 | TCP/IP Field BehaviorM. West, S. McCann | Informational | March 2006 |
| 4341 | Profile for Datagram Congestion Control Protocol (DCCP) Congestion Control ID 2: TCP-like Congestion ControlS. Floyd, E. Kohler | Proposed Standard | March 2006 |
| 4340 | Datagram Congestion Control Protocol (DCCP)E. Kohler, M. Handley, S. Floyd | Proposed Standard | March 2006 |
| 4163 | RObust Header Compression (ROHC): Requirements on TCP/IP Header CompressionL-E. Jonsson | Informational | August 2005 |
| 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 |
| 3819 | Advice for Internet Subnetwork DesignersP. Karn, Ed., C. Bormann, G. Fairhurst, D. Grossman, R. Ludwig, J. Mahdavi, G. Montenegro, J. Touch, L. Wood | Best Current Practice | July 2004 |
| 3794 | Survey of IPv4 Addresses in Currently Deployed IETF Transport Area Standards Track and Experimental DocumentsP. Nesser, II, A. Bergstrom, Ed. | Informational | June 2004 |
| 3782 | The NewReno Modification to TCP's Fast Recovery AlgorithmS. Floyd, T. Henderson, A. Gurtov · obsoleted by RFC 6582 | Proposed Standard | April 2004 |
| 3539 | Authentication, Authorization and Accounting (AAA) Transport ProfileB. Aboba, J. Wood | Proposed Standard | June 2003 |
| 3522 | The Eifel Detection Algorithm for TCPR. Ludwig, M. Meyer | Experimental | April 2003 |
| 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 |
| 3481 | TCP over Second (2.5G) and Third (3G) Generation Wireless NetworksH. Inamura, Ed., G. Montenegro, Ed., R. Ludwig, A. Gurtov, F. Khafizov | Best Current Practice | February 2003 |
| 3465 | TCP Congestion Control with Appropriate Byte Counting (ABC)M. Allman | Experimental | February 2003 |
| 3449 | TCP Performance Implications of Network Path AsymmetryH. Balakrishnan, V. Padmanabhan, G. Fairhurst, M. Sooriyabandara | Best Current Practice | December 2002 |
| 3155 | End-to-end Performance Implications of Links with ErrorsS. Dawkins, G. Montenegro, M. Kojo, V. Magret, N. Vaidya | Best Current Practice | August 2001 |
| 3148 | A Framework for Defining Empirical Bulk Transfer Capacity MetricsM. Mathis, M. Allman | Informational | July 2001 |
| 3135 | Performance Enhancing Proxies Intended to Mitigate Link-Related DegradationsJ. Border, M. Kojo, J. Griner, G. Montenegro, Z. Shelby | Informational | June 2001 |
| 3042 | Enhancing TCP's Loss Recovery Using Limited TransmitM. Allman, H. Balakrishnan, S. Floyd | Proposed Standard | January 2001 |
| 3002 | Overview of 2000 IAB Wireless Internetworking WorkshopD. Mitzel | Informational | December 2000 |
| 2884 | Performance Evaluation of Explicit Congestion Notification (ECN) in IP NetworksJ. Hadi Salim, U. Ahmed | Informational | July 2000 |
| 2883 | An Extension to the Selective Acknowledgement (SACK) Option for TCPS. Floyd, J. Mahdavi, M. Mathis, M. Podolsky | Proposed Standard | July 2000 |
| 2775 | Internet TransparencyB. Carpenter | Informational | February 2000 |
| 2760 | Ongoing TCP Research Related to SatellitesM. Allman, Ed., S. Dawkins, D. Glover, J. Griner, D. Tran, T. Henderson, J. Heidemann, J. Touch, H. Kruse, S. Ostermann, K. Scott, J. Semke | Informational | February 2000 |
| 2757 | Long Thin NetworksG. Montenegro, S. Dawkins, M. Kojo, V. Magret, N. Vaidya | Informational | January 2000 |
| 2582 | The NewReno Modification to TCP's Fast Recovery AlgorithmS. Floyd, T. Henderson · obsoleted by RFC 3782 | Experimental | April 1999 |
| 2581 | TCP Congestion ControlM. Allman, V. Paxson, W. Stevens · obsoleted by RFC 5681 | Proposed Standard | April 1999 |
| 2525 | Known TCP Implementation ProblemsV. Paxson, M. Allman, S. Dawson, W. Fenner, J. Griner, I. Heavens, K. Lahey, J. Semke, B. Volz | Informational | March 1999 |
| 2488 | Enhancing TCP Over Satellite Channels using Standard MechanismsM. Allman, D. Glover, L. Sanchez | Best Current Practice | January 1999 |
| 2414 | Increasing TCP's Initial WindowM. Allman, S. Floyd, C. Partridge · obsoleted by RFC 3390 | Experimental | September 1998 |