| 1 | Host SoftwareS. Crocker | Unknown | April 1969 |
| 768 | User Datagram ProtocolJ. Postel | Internet Standard | August 1980 |
| 791 | Internet ProtocolJ. Postel | Internet Standard | September 1981 |
| 793 | Transmission Control ProtocolJ. Postel · obsoleted by RFC 9293 | Internet Standard | September 1981 |
| 907 | Host Access Protocol specificationBolt Beranek and Newman Laboratories | Internet Standard | July 1984 |
| 908 | Reliable Data ProtocolD. Velten, R.M. Hinden, J. Sax | Experimental | July 1984 |
| 938 | Internet Reliable Transaction Protocol functional and interface specificationT. Miller | Experimental | February 1985 |
| 998 | NETBLT: A bulk data transfer protocolD.D. Clark, M.L. Lambert, L. Zhang | Experimental | March 1987 |
| 1001 | Protocol standard for a NetBIOS service on a TCP/UDP transport: Concepts and methodsNetBIOS Working Group in the Defense Advanced Research Projects Agency, Internet Activities Board, End-to-End Services Task Force | Internet Standard | March 1987 |
| 1002 | Protocol standard for a NetBIOS service on a TCP/UDP transport: Detailed specificationsNetBIOS Working Group in the Defense Advanced Research Projects Agency, Internet Activities Board, End-to-End Services Task Force | Internet Standard | March 1987 |
| 1006 | ISO Transport Service on top of the TCP Version: 3M.T. Rose, D.E. Cass | Internet Standard | May 1987 |
| 1045 | VMTP: Versatile Message Transaction Protocol: Protocol specificationD.R. Cheriton | Experimental | February 1988 |
| 1123 | Requirements for Internet Hosts - Application and SupportR. Braden, Ed. | Internet Standard | October 1989 |
| 1144 | Compressing TCP/IP Headers for Low-Speed Serial LinksV. Jacobson | Proposed Standard | February 1990 |
| 1146 | TCP alternate checksum optionsJ. Zweig, C. Partridge · obsoleted by RFC 6247 | Historic | March 1990 |
| 1151 | Version 2 of the Reliable Data Protocol (RDP)C. Partridge, R.M. Hinden | Experimental | April 1990 |
| 1323 | TCP Extensions for High PerformanceV. Jacobson, R. Braden, D. Borman · obsoleted by RFC 7323 | Proposed Standard | May 1992 |
| 1553 | Compressing IPX Headers Over WAN Media (CIPX)S. Mathur, M. Lewis | Historic | December 1993 |
| 1644 | T/TCP -- TCP Extensions for Transactions Functional SpecificationR. Braden · obsoleted by RFC 6247 | Historic | July 1994 |
| 1692 | Transport Multiplexing Protocol (TMux)P. Cameron, D. Crocker, D. Cohen, J. Postel | Historic | August 1994 |
| 1693 | An Extension to TCP : Partial Order ServiceT. Connolly, P. Amer, P. Conrad · obsoleted by RFC 6247 | Historic | November 1994 |
| 1791 | TCP And UDP Over IPX Networks With Fixed Path MTUT. Sung | Experimental | April 1995 |
| 1831 | RPC: Remote Procedure Call Protocol Specification Version 2R. Srinivasan · obsoleted by RFC 5531 | Proposed Standard | August 1995 |
| 1833 | Binding Protocols for ONC RPC Version 2R. Srinivasan | Proposed Standard | August 1995 |
| 1924 | A Compact Representation of IPv6 AddressesR. Elz | Informational | 1 April 1996 |
| 1962 | The PPP Compression Control Protocol (CCP)D. Rand | Proposed Standard | June 1996 |
| 2018 | TCP Selective Acknowledgment OptionsM. Mathis, J. Mahdavi, S. Floyd, A. Romanow | Proposed Standard | October 1996 |
| 2029 | RTP Payload Format of Sun's CellB Video EncodingM. Speer, D. Hoffman | Proposed Standard | October 1996 |
| 2032 | RTP Payload Format for H.261 Video StreamsT. Turletti, C. Huitema · obsoleted by RFC 4587 | Proposed Standard | October 1996 |
| 2126 | ISO Transport Service on top of TCP (ITOT)Y. Pouffary, A. Young | Proposed Standard | March 1997 |
| 2190 | RTP Payload Format for H.263 Video StreamsC. Zhu | Historic | September 1997 |
| 2198 | RTP Payload for Redundant Audio DataC. Perkins, I. Kouvelas, O. Hodson, V. Hardman, M. Handley, J.C. Bolot, A. Vega-Garcia, S. Fosse-Parisis | Proposed Standard | September 1997 |
| 2205 | Resource ReSerVation Protocol (RSVP) -- Version 1 Functional SpecificationR. Braden, Ed., L. Zhang, S. Berson, S. Herzog, S. Jamin | Proposed Standard | September 1997 |
| 2207 | RSVP Extensions for IPSEC Data FlowsL. Berger, T. O'Malley | Proposed Standard | September 1997 |
| 2210 | The Use of RSVP with IETF Integrated ServicesJ. Wroclawski | Proposed Standard | September 1997 |
| 2211 | Specification of the Controlled-Load Network Element ServiceJ. Wroclawski | Proposed Standard | September 1997 |
| 2212 | Specification of Guaranteed Quality of ServiceS. Shenker, C. Partridge, R. Guerin | Proposed Standard | September 1997 |
| 2215 | General Characterization Parameters for Integrated Service Network ElementsS. Shenker, J. Wroclawski | Proposed Standard | September 1997 |
| 2250 | RTP Payload Format for MPEG1/MPEG2 VideoD. Hoffman, G. Fernando, V. Goyal, M. Civanlar | Proposed Standard | January 1998 |
| 2326 | Real Time Streaming Protocol (RTSP)H. Schulzrinne, A. Rao, R. Lanphier · obsoleted by RFC 7826 | Proposed Standard | April 1998 |
| 2327 | SDP: Session Description ProtocolM. Handley, V. Jacobson · obsoleted by RFC 4566 | Proposed Standard | April 1998 |
| 2343 | RTP Payload Format for Bundled MPEGM. Civanlar, G. Cash, B. Haskell | Experimental | May 1998 |
| 2380 | RSVP over ATM Implementation RequirementsL. Berger | Proposed Standard | August 1998 |
| 2381 | Interoperation of Controlled-Load Service and Guaranteed Service with ATMM. Garrett, M. Borden | Proposed Standard | August 1998 |
| 2429 | RTP Payload Format for the 1998 Version of ITU-T Rec. H.263 Video (H.263+)C. Bormann, L. Cline, G. Deisher, T. Gardos, C. Maciocco, D. Newell, J. Ott, G. Sullivan, S. Wenger, C. Zhu · obsoleted by RFC 4629 | Proposed Standard | October 1998 |
| 2431 | RTP Payload Format for BT.656 Video EncodingD. Tynan | Proposed Standard | October 1998 |
| 2435 | RTP Payload Format for JPEG-compressed VideoL. Berc, W. Fenner, R. Frederick, S. McCanne, P. Stewart | Proposed Standard | October 1998 |
| 2460 | Internet Protocol, Version 6 (IPv6) SpecificationS. Deering, R. Hinden · obsoleted by RFC 8200 | Draft Standard | December 1998 |
| 2474 | Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 HeadersK. Nichols, S. Blake, F. Baker, D. Black | Proposed Standard | December 1998 |
| 2507 | IP Header CompressionM. Degermark, B. Nordgren, S. Pink | Proposed Standard | February 1999 |
| 2508 | Compressing IP/UDP/RTP Headers for Low-Speed Serial LinksS. Casner, V. Jacobson | Proposed Standard | February 1999 |
| 2509 | IP Header Compression over PPPM. Engan, S. Casner, C. Bormann · obsoleted by RFC 3544 | Proposed Standard | February 1999 |
| 2581 | TCP Congestion ControlM. Allman, V. Paxson, W. Stevens · obsoleted by RFC 5681 | Proposed Standard | April 1999 |
| 2582 | The NewReno Modification to TCP's Fast Recovery AlgorithmS. Floyd, T. Henderson · obsoleted by RFC 3782 | Experimental | April 1999 |
| 2597 | Assured Forwarding PHB GroupJ. Heinanen, F. Baker, W. Weiss, J. Wroclawski | Proposed Standard | June 1999 |
| 2658 | RTP Payload Format for PureVoice(tm) AudioK. McKay | Proposed Standard | August 1999 |
| 2678 | IPPM Metrics for Measuring ConnectivityJ. Mahdavi, V. Paxson | Proposed Standard | September 1999 |
| 2679 | A One-way Delay Metric for IPPMG. Almes, S. Kalidindi, M. Zekauskas · obsoleted by RFC 7679 | Proposed Standard | September 1999 |
| 2680 | A One-way Packet Loss Metric for IPPMG. Almes, S. Kalidindi, M. Zekauskas · obsoleted by RFC 7680 | Proposed Standard | September 1999 |
| 2681 | A Round-trip Delay Metric for IPPMG. Almes, S. Kalidindi, M. Zekauskas | Proposed Standard | September 1999 |
| 2730 | Multicast Address Dynamic Client Allocation Protocol (MADCAP)S. Hanna, B. Patel, M. Shah | Proposed Standard | December 1999 |
| 2732 | Format for Literal IPv6 Addresses in URL'sR. Hinden, B. Carpenter, L. Masinter · obsoleted by RFC 3986 | Proposed Standard | December 1999 |
| 2733 | An RTP Payload Format for Generic Forward Error CorrectionJ. Rosenberg, H. Schulzrinne · obsoleted by RFC 5109 | Proposed Standard | December 1999 |
| 2745 | RSVP Diagnostic MessagesA. Terzis, B. Braden, S. Vincent, L. Zhang | Proposed Standard | January 2000 |
| 2746 | RSVP Operation Over IP TunnelsA. Terzis, J. Krawczyk, J. Wroclawski, L. Zhang | Proposed Standard | January 2000 |
| 2750 | RSVP Extensions for Policy ControlS. Herzog | Proposed Standard | January 2000 |
| 2762 | Sampling of the Group Membership in RTPJ. Rosenberg, H. Schulzrinne | Experimental | February 2000 |
| 2793 | RTP Payload for Text ConversationG. Hellstrom · obsoleted by RFC 4103 | Proposed Standard | May 2000 |
| 2814 | SBM (Subnet Bandwidth Manager): A Protocol for RSVP-based Admission Control over IEEE 802-style networksR. Yavatkar, D. Hoffman, Y. Bernet, F. Baker, M. Speer | Proposed Standard | May 2000 |
| 2815 | Integrated Service Mappings on IEEE 802 NetworksM. Seaman, A. Smith, E. Crawley, J. Wroclawski | Proposed Standard | May 2000 |
| 2833 | RTP Payload for DTMF Digits, Telephony Tones and Telephony SignalsH. Schulzrinne, S. Petrack · obsoleted by RFC 4733, RFC 4734 | Proposed Standard | May 2000 |
| 2844 | OSPF over ATM and Proxy-PART. Przygienda, P. Droz, R. Haas | Experimental | May 2000 |
| 2848 | The PINT Service Protocol: Extensions to SIP and SDP for IP Access to Telephone Call ServicesS. Petrack, L. Conroy | Proposed Standard | June 2000 |
| 2859 | A Time Sliding Window Three Colour Marker (TSWTCM)W. Fang, N. Seddigh, B. Nandy | Experimental | June 2000 |
| 2861 | TCP Congestion Window ValidationM. Handley, J. Padhye, S. Floyd · obsoleted by RFC 7661 | Historic | June 2000 |
| 2862 | RTP Payload Format for Real-Time PointersM. Civanlar, G. Cash | Proposed Standard | June 2000 |
| 2872 | Application and Sub Application Identity Policy Element for Use with RSVPY. Bernet, R. Pabbati | Proposed Standard | June 2000 |
| 2873 | TCP Processing of the IPv4 Precedence FieldX. Xiao, A. Hannan, V. Paxson, E. Crabbe · obsoleted by RFC 9293 | Proposed Standard | June 2000 |
| 2883 | An Extension to the Selective Acknowledgement (SACK) Option for TCPS. Floyd, J. Mahdavi, M. Mathis, M. Podolsky | Proposed Standard | July 2000 |
| 2907 | MADCAP Multicast Scope Nesting State OptionR. Kermode | Proposed Standard | September 2000 |
| 2909 | The Multicast Address-Set Claim (MASC) ProtocolP. Radoslavov, D. Estrin, R. Govindan, M. Handley, S. Kumar, D. Thaler | Historic | September 2000 |
| 2960 | Stream Control Transmission ProtocolR. Stewart, Q. Xie, K. Morneault, C. Sharp, H. Schwarzbauer, T. Taylor, I. Rytina, M. Kalla, L. Zhang, V. Paxson · obsoleted by RFC 4960 | Proposed Standard | October 2000 |
| 2961 | RSVP Refresh Overhead Reduction ExtensionsL. Berger, D. Gan, G. Swallow, P. Pan, F. Tommasi, S. Molendini | Proposed Standard | April 2001 |
| 2976 | The SIP INFO MethodS. Donovan · obsoleted by RFC 6086 | Proposed Standard | October 2000 |
| 2988 | Computing TCP's Retransmission TimerV. Paxson, M. Allman · obsoleted by RFC 6298 | Proposed Standard | November 2000 |
| 2996 | Format of the RSVP DCLASS ObjectY. Bernet | Proposed Standard | November 2000 |
| 2997 | Specification of the Null Service TypeY. Bernet, A. Smith, B. Davie | Proposed Standard | November 2000 |
| 3003 | The audio/mpeg Media TypeM. Nilsson | Proposed Standard | November 2000 |
| 3006 | Integrated Services in the Presence of Compressible FlowsB. Davie, C. Iturralde, D. Oran, S. Casner, J. Wroclawski | Proposed Standard | November 2000 |
| 3016 | RTP Payload Format for MPEG-4 Audio/Visual StreamsY. Kikuchi, T. Nomura, S. Fukunaga, Y. Matsui, H. Kimata · obsoleted by RFC 6416 | Proposed Standard | November 2000 |
| 3033 | The Assignment of the Information Field and Protocol Identifier in the Q.2941 Generic Identifier and Q.2957 User-to-user Signaling for the Internet ProtocolM. Suzuki | Proposed Standard | January 2001 |
| 3042 | Enhancing TCP's Loss Recovery Using Limited TransmitM. Allman, H. Balakrishnan, S. Floyd | Proposed Standard | January 2001 |
| 3047 | RTP Payload Format for ITU-T Recommendation G.722.1P. Luthi · obsoleted by RFC 5577 | Proposed Standard | January 2001 |
| 3057 | ISDN Q.921-User Adaptation LayerK. Morneault, S. Rengasami, M. Kalla, G. Sidebottom · obsoleted by RFC 4233 | Proposed Standard | February 2001 |
| 3095 | RObust Header Compression (ROHC): Framework and four profiles: RTP, UDP, ESP, and uncompressedC. Bormann, C. Burmeister, M. Degermark, H. Fukushima, H. Hannu, L-E. Jonsson, R. Hakenberg, T. Koren, K. Le, Z. Liu, A. Martensson, A. Miyazaki, K. Svanbro, T. Wiebke, T. Yoshimura, H. Zheng | Proposed Standard | July 2001 |
| 3108 | Conventions for the use of the Session Description Protocol (SDP) for ATM Bearer ConnectionsR. Kumar, M. Mostafa | Proposed Standard | May 2001 |
| 3119 | A More Loss-Tolerant RTP Payload Format for MP3 AudioR. Finlayson · obsoleted by RFC 5219 | Proposed Standard | June 2001 |
| 3124 | The Congestion ManagerH. Balakrishnan, S. Seshan | Proposed Standard | June 2001 |
| 3140 | Per Hop Behavior Identification CodesD. Black, S. Brim, B. Carpenter, F. Le Faucheur | Proposed Standard | June 2001 |
| 3173 | IP Payload Compression Protocol (IPComp)A. Shacham, B. Monsour, R. Pereira, M. Thomas | Proposed Standard | September 2001 |
| 3181 | Signaled Preemption Priority Policy ElementS. Herzog | Proposed Standard | October 2001 |
| 3182 | Identity Representation for RSVPS. Yadav, R. Yavatkar, R. Pabbati, P. Ford, T. Moore, S. Herzog, R. Hess | Proposed Standard | October 2001 |
| 3246 | An Expedited Forwarding PHB (Per-Hop Behavior)B. Davie, A. Charny, J.C.R. Bennet, K. Benson, J.Y. Le Boudec, W. Courtney, S. Davari, V. Firoiu, D. Stiliadis | Proposed Standard | March 2002 |
| 3261 | SIP: Session Initiation ProtocolJ. Rosenberg, H. Schulzrinne, G. Camarillo, A. Johnston, J. Peterson, R. Sparks, M. Handley, E. Schooler | Proposed Standard | July 2002 |
| 3262 | Reliability of Provisional Responses in Session Initiation Protocol (SIP)J. Rosenberg, H. Schulzrinne | Proposed Standard | July 2002 |
| 3263 | Session Initiation Protocol (SIP): Locating SIP ServersJ. Rosenberg, H. Schulzrinne | Proposed Standard | July 2002 |
| 3264 | An Offer/Answer Model with Session Description Protocol (SDP)J. Rosenberg, H. Schulzrinne | Proposed Standard | July 2002 |
| 3265 | Session Initiation Protocol (SIP)-Specific Event NotificationA. B. Roach · obsoleted by RFC 6665 | Proposed Standard | July 2002 |
| 3266 | Support for IPv6 in Session Description Protocol (SDP)S. Olson, G. Camarillo, A. B. Roach · obsoleted by RFC 4566 | Proposed Standard | July 2002 |
| 3390 | Increasing TCP's Initial WindowM. Allman, S. Floyd, C. Partridge | Proposed Standard | November 2002 |
| 3525 | Gateway Control Protocol Version 1C. Groves, Ed., M. Pantaleo, Ed., T. Anderson, Ed., T. Taylor, Ed. · obsoleted by RFC 5125 | Historic | June 2003 |
| 3530 | Network File System (NFS) version 4 ProtocolS. Shepler, B. Callaghan, D. Robinson, R. Thurlow, C. Beame, M. Eisler, D. Noveck · obsoleted by RFC 7530 | Proposed Standard | April 2003 |
| 3544 | IP Header Compression over PPPT. Koren, S. Casner, C. Bormann | Proposed Standard | July 2003 |
| 3550 | RTP: A Transport Protocol for Real-Time ApplicationsH. Schulzrinne, S. Casner, R. Frederick, V. Jacobson | Internet Standard | July 2003 |
| 3551 | RTP Profile for Audio and Video Conferences with Minimal ControlH. Schulzrinne, S. Casner | Internet Standard | July 2003 |
| 3789 | Introduction to the Survey of IPv4 Addresses in Currently Deployed IETF Standards Track and Experimental DocumentsP. Nesser, II, A. Bergstrom, Ed. | Informational | June 2004 |