| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 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 |
| 3411 | An Architecture for Describing Simple Network Management Protocol (SNMP) Management FrameworksD. Harrington, R. Presuhn, B. Wijnen | Internet Standard | December 2002 |
| 3550 | RTP: A Transport Protocol for Real-Time ApplicationsH. Schulzrinne, S. Casner, R. Frederick, V. Jacobson | Internet Standard | July 2003 |
| 3711 | The Secure Real-time Transport Protocol (SRTP)M. Baugher, D. McGrew, M. Naslund, E. Carrara, K. Norrman | Proposed Standard | March 2004 |
| 4303 | IP Encapsulating Security Payload (ESP)S. Kent | Proposed Standard | December 2005 |
| 4383 | The Use of Timed Efficient Stream Loss-Tolerant Authentication (TESLA) in the Secure Real-time Transport Protocol (SRTP)M. Baugher, E. Carrara | Proposed Standard | February 2006 |
| 4566 | SDP: Session Description ProtocolM. Handley, V. Jacobson, C. Perkins · obsoleted by RFC 8866 | Proposed Standard | July 2006 |
| 4588 | RTP Retransmission Payload FormatJ. Rey, D. Leon, A. Miyazaki, V. Varsa, R. Hakenberg | Proposed Standard | July 2006 |
| 5052 | Forward Error Correction (FEC) Building BlockM. Watson, M. Luby, L. Vicisano | Proposed Standard | August 2007 |
| 5226 | Guidelines for Writing an IANA Considerations Section in RFCsT. Narten, H. Alvestrand · obsoleted by RFC 8126 | Best Current Practice | May 2008 |
| 5234 | Augmented BNF for Syntax Specifications: ABNFD. Crocker, Ed., P. Overell | Internet Standard | January 2008 |
| 5424 | The Syslog ProtocolR. Gerhards | Proposed Standard | March 2009 |
| 5675 | Mapping Simple Network Management Protocol (SNMP) Notifications to SYSLOG MessagesV. Marinov, J. Schoenwaelder | Proposed Standard | October 2009 |
| 5676 | Definitions of Managed Objects for Mapping SYSLOG Messages to Simple Network Management Protocol (SNMP) NotificationsJ. Schoenwaelder, A. Clemm, A. Karmakar | Proposed Standard | October 2009 |
| 5725 | Post-Repair Loss RLE Report Block Type for RTP Control Protocol (RTCP) Extended Reports (XRs)A. Begen, D. Hsu, M. Lague | Proposed Standard | February 2010 |
| 5740 | NACK-Oriented Reliable Multicast (NORM) Transport ProtocolB. Adamson, C. Bormann, M. Handley, J. Macker | Proposed Standard | November 2009 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 5775 | Asynchronous Layered Coding (ALC) Protocol InstantiationM. Luby, M. Watson, L. Vicisano | Proposed Standard | April 2010 |
| 6364 | Session Description Protocol Elements for the Forward Error Correction (FEC) FrameworkA. Begen | Proposed Standard | October 2011 |