| 1122 | Requirements for Internet Hosts - Communication LayersR. Braden, Ed. | Internet Standard | October 1989 |
| 1191 | Path MTU discoveryJ. Mogul, S. Deering | Draft Standard | November 1990 |
| 1945 | Hypertext Transfer Protocol -- HTTP/1.0T. Berners-Lee, R. Fielding, H. Frystyk | Informational | May 1996 |
| 2068 | Hypertext Transfer Protocol -- HTTP/1.1R. Fielding, J. Gettys, J. Mogul, H. Frystyk, T. Berners-Lee · obsoleted by RFC 2616 | Proposed Standard | January 1997 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2309 | Recommendations on Queue Management and Congestion Avoidance in the InternetB. Braden, D. Clark, J. Crowcroft, B. Davie, S. Deering, D. Estrin, S. Floyd, V. Jacobson, G. Minshall, C. Partridge, L. Peterson, K. Ramakrishnan, S. Shenker, J. Wroclawski, L. Zhang · obsoleted by RFC 7567 | Informational | April 1998 |
| 2414 | Increasing TCP's Initial WindowM. Allman, S. Floyd, C. Partridge · obsoleted by RFC 3390 | Experimental | September 1998 |
| 2415 | Simulation Studies of Increased Initial TCP Window SizeK. Poduri, K. Nichols | Informational | September 1998 |
| 2416 | When TCP Starts Up With Four Packets Into Only Three BuffersT. Shepard, C. Partridge | Informational | September 1998 |
| 2481 | A Proposal to add Explicit Congestion Notification (ECN) to IPK. Ramakrishnan, S. Floyd · obsoleted by RFC 3168 | Experimental | January 1999 |
| 2581 | TCP Congestion ControlM. Allman, V. Paxson, W. Stevens · obsoleted by RFC 5681 | Proposed Standard | April 1999 |
| 2821 | Simple Mail Transfer ProtocolJ. Klensin, Ed. · obsoleted by RFC 5321 | Proposed Standard | April 2001 |
| 2988 | Computing TCP's Retransmission TimerV. Paxson, M. Allman · obsoleted by RFC 6298 | Proposed Standard | November 2000 |
| 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 |