| 5050 | Bundle Protocol SpecificationK. Scott, S. Burleigh | Experimental | November 2007 |
| 5051 | i;unicode-casemap - Simple Unicode Collation AlgorithmM. Crispin | Proposed Standard | October 2007 |
| 5052 | Forward Error Correction (FEC) Building BlockM. Watson, M. Luby, L. Vicisano | Proposed Standard | August 2007 |
| 5053 | Raptor Forward Error Correction Scheme for Object DeliveryM. Luby, A. Shokrollahi, M. Watson, T. Stockhammer | Proposed Standard | October 2007 |
| 5054 | Using the Secure Remote Password (SRP) Protocol for TLS AuthenticationD. Taylor, T. Wu, N. Mavrogiannopoulos, T. Perrin | Informational | November 2007 |
| 5055 | Server-Based Certificate Validation Protocol (SCVP)T. Freeman, R. Housley, A. Malpani, D. Cooper, W. Polk | Proposed Standard | December 2007 |
| 5056 | On the Use of Channel Bindings to Secure ChannelsN. Williams | Proposed Standard | November 2007 |
| 5057 | Multiple Dialog Usages in the Session Initiation ProtocolR. Sparks | Informational | November 2007 |
| 5058 | Explicit Multicast (Xcast) Concepts and OptionsR. Boivie, N. Feldman, Y. Imai, W. Livens, D. Ooms | Experimental | November 2007 |
| 5059 | Bootstrap Router (BSR) Mechanism for Protocol Independent Multicast (PIM)N. Bhaskar, A. Gall, J. Lingard, S. Venaas | Proposed Standard | January 2008 |
| 5060 | Protocol Independent Multicast MIBR. Sivaramu, J. Lingard, D. McWalter, B. Joshi, A. Kessler | Proposed Standard | January 2008 |
| 5061 | Stream Control Transmission Protocol (SCTP) Dynamic Address ReconfigurationR. Stewart, Q. Xie, M. Tuexen, S. Maruyama, M. Kozuka | Proposed Standard | September 2007 |
| 5062 | Security Attacks Found Against the Stream Control Transmission Protocol (SCTP) and Current CountermeasuresR. Stewart, M. Tuexen, G. Camarillo | Informational | September 2007 |
| 5063 | Extensions to GMPLS Resource Reservation Protocol (RSVP) Graceful RestartA. Satyanarayana, Ed., R. Rahman, Ed. | Proposed Standard | October 2007 |
| 5064 | The Archived-At Message Header FieldM. Duerst | Proposed Standard | December 2007 |
| 5065 | Autonomous System Confederations for BGPP. Traina, D. McPherson, J. Scudder | Draft Standard | August 2007 |
| 5066 | Ethernet in the First Mile Copper (EFMCu) Interfaces MIBE. Beili | Proposed Standard | November 2007 |
| 5067 | Infrastructure ENUM RequirementsS. Lind, P. Pfautz | Informational | November 2007 |
| 5068 | Email Submission Operations: Access and Accountability RequirementsC. Hutzler, D. Crocker, P. Resnick, E. Allman, T. Finch | Best Current Practice | November 2007 |
| 5069 | Security Threats and Requirements for Emergency Call Marking and MappingT. Taylor, Ed., H. Tschofenig, H. Schulzrinne, M. Shanmugam | Informational | January 2008 |
| 5070 | The Incident Object Description Exchange FormatR. Danyliw, J. Meijer, Y. Demchenko · obsoleted by RFC 7970 | Proposed Standard | December 2007 |
| 5071 | Dynamic Host Configuration Protocol Options Used by PXELINUXD. Hankins | Informational | December 2007 |
| 5072 | IP Version 6 over PPPS. Varada, Ed., D. Haskins, E. Allen | Draft Standard | September 2007 |
| 5073 | IGP Routing Protocol Extensions for Discovery of Traffic Engineering Node CapabilitiesJ.P. Vasseur, Ed., J.L. Le Roux, Ed. | Proposed Standard | December 2007 |
| 5074 | DNSSEC Lookaside Validation (DLV)S. Weiler | Historic | November 2007 |
| 5075 | IPv6 Router Advertisement Flags OptionB. Haberman, Ed., R. Hinden · obsoleted by RFC 5175 | Proposed Standard | November 2007 |
| 5076 | ENUM Validation Information Mapping for the Extensible Provisioning ProtocolB. Hoeneisen | Proposed Standard | December 2007 |
| 5077 | Transport Layer Security (TLS) Session Resumption without Server-Side StateJ. Salowey, H. Zhou, P. Eronen, H. Tschofenig · obsoleted by RFC 8446, RFC 9846 | Proposed Standard | January 2008 |
| 5078 | IAB and IESG Selection, Confirmation, and Recall Process: Revision of the Nominating and Recall Committees TimelineS. Dawkins · obsoleted by RFC 7437 | Informational | October 2007 |
| 5079 | Rejecting Anonymous Requests in the Session Initiation Protocol (SIP)J. Rosenberg | Proposed Standard | December 2007 |
| 5080 | Common Remote Authentication Dial In User Service (RADIUS) Implementation Issues and Suggested FixesD. Nelson, A. DeKok | Proposed Standard | December 2007 |
| 5081 | Using OpenPGP Keys for Transport Layer Security (TLS) AuthenticationN. Mavrogiannopoulos · obsoleted by RFC 6091 | Experimental | November 2007 |
| 5082 | The Generalized TTL Security Mechanism (GTSM)V. Gill, J. Heasley, D. Meyer, P. Savola, Ed., C. Pignataro | Proposed Standard | October 2007 |
| 5083 | Cryptographic Message Syntax (CMS) Authenticated-Enveloped-Data Content TypeR. Housley | Proposed Standard | November 2007 |
| 5084 | Using AES-CCM and AES-GCM Authenticated Encryption in the Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | November 2007 |
| 5085 | Pseudowire Virtual Circuit Connectivity Verification (VCCV): A Control Channel for PseudowiresT. Nadeau, Ed., C. Pignataro, Ed. | Proposed Standard | December 2007 |
| 5086 | Structure-Aware Time Division Multiplexed (TDM) Circuit Emulation Service over Packet Switched Network (CESoPSN)A. Vainshtein, Ed., I. Sasson, E. Metz, T. Frost, P. Pate | Informational | December 2007 |
| 5087 | Time Division Multiplexing over IP (TDMoIP)Y(J). Stein, R. Shashoua, R. Insler, M. Anavi | Informational | December 2007 |
| 5088 | OSPF Protocol Extensions for Path Computation Element (PCE) DiscoveryJL. Le Roux, Ed., JP. Vasseur, Ed., Y. Ikejiri, R. Zhang | Proposed Standard | January 2008 |
| 5089 | IS-IS Protocol Extensions for Path Computation Element (PCE) DiscoveryJL. Le Roux, Ed., JP. Vasseur, Ed., Y. Ikejiri, R. Zhang | Proposed Standard | January 2008 |
| 5090 | RADIUS Extension for Digest AuthenticationB. Sterman, D. Sadolevsky, D. Schwartz, D. Williams, W. Beck | Proposed Standard | February 2008 |
| 5091 | Identity-Based Cryptography Standard (IBCS) #1: Supersingular Curve Implementations of the BF and BB1 CryptosystemsX. Boyen, L. Martin | Informational | December 2007 |
| 5092 | IMAP URL SchemeA. Melnikov, Ed., C. Newman | Proposed Standard | November 2007 |
| 5093 | BT's eXtended Network Quality RTP Control Protocol Extended Reports (RTCP XR XNQ)G. Hunt | Informational | December 2007 |
| 5094 | Mobile IPv6 Vendor Specific OptionV. Devarapalli, A. Patel, K. Leung | Proposed Standard | December 2007 |
| 5095 | Deprecation of Type 0 Routing Headers in IPv6J. Abley, P. Savola, G. Neville-Neil | Proposed Standard | December 2007 |
| 5096 | Mobile IPv6 Experimental MessagesV. Devarapalli | Proposed Standard | December 2007 |
| 5097 | MIB for the UDP-Lite protocolG. Renker, G. Fairhurst | Proposed Standard | January 2008 |
| 5098 | Signaling MIB for PacketCable and IPCablecom Multimedia Terminal Adapters (MTAs)G. Beacham, S. Kumar, S. Channabasappa | Proposed Standard | February 2008 |
| 5101 | Specification of the IP Flow Information Export (IPFIX) Protocol for the Exchange of IP Traffic Flow InformationB. Claise, Ed. · obsoleted by RFC 7011 | Proposed Standard | January 2008 |
| 5102 | Information Model for IP Flow Information ExportJ. Quittek, S. Bryant, B. Claise, P. Aitken, J. Meyer · obsoleted by RFC 7012 | Proposed Standard | January 2008 |
| 5103 | Bidirectional Flow Export Using IP Flow Information Export (IPFIX)B. Trammell, E. Boschi | Proposed Standard | January 2008 |
| 5104 | Codec Control Messages in the RTP Audio-Visual Profile with Feedback (AVPF)S. Wenger, U. Chandra, M. Westerlund, B. Burman | Proposed Standard | February 2008 |
| 5105 | ENUM Validation Token Format DefinitionO. Lendl | Proposed Standard | December 2007 |
| 5106 | The Extensible Authentication Protocol-Internet Key Exchange Protocol version 2 (EAP-IKEv2) MethodH. Tschofenig, D. Kroeselberg, A. Pashalidis, Y. Ohba, F. Bersani | Experimental | February 2008 |
| 5107 | DHCP Server Identifier Override SuboptionR. Johnson, J. Kumarasamy, K. Kinnear, M. Stapp | Proposed Standard | February 2008 |
| 5109 | RTP Payload Format for Generic Forward Error CorrectionA. Li, Ed. | Proposed Standard | December 2007 |
| 5110 | Overview of the Internet Multicast Routing ArchitectureP. Savola | Informational | January 2008 |
| 5111 | Experiment in Exploratory Group Formation within the Internet Engineering Task Force (IETF)B. Aboba, L. Dondeti | Experimental | January 2008 |
| 5112 | The Presence-Specific Static Dictionary for Signaling Compression (Sigcomp)M. Garcia-Martin | Proposed Standard | January 2008 |
| 5113 | Network Discovery and Selection ProblemJ. Arkko, B. Aboba, J. Korhonen, Ed., F. Bari | Informational | January 2008 |
| 5114 | Additional Diffie-Hellman Groups for Use with IETF StandardsM. Lepinski, S. Kent | Informational | January 2008 |
| 5115 | Telephony Routing over IP (TRIP) Attribute for Resource PriorityK. Carlberg, P. O'Hanlon | Proposed Standard | January 2008 |
| 5116 | An Interface and Algorithms for Authenticated EncryptionD. McGrew | Proposed Standard | January 2008 |
| 5117 | RTP TopologiesM. Westerlund, S. Wenger · obsoleted by RFC 7667 | Informational | January 2008 |
| 5118 | Session Initiation Protocol (SIP) Torture Test Messages for Internet Protocol Version 6 (IPv6)V. Gurbani, C. Boulton, R. Sparks | Informational | February 2008 |
| 5119 | A Uniform Resource Name (URN) Namespace for the Society of Motion Picture and Television Engineers (SMPTE)T. Edwards | Informational | February 2008 |
| 5120 | M-ISIS: Multi Topology (MT) Routing in Intermediate System to Intermediate Systems (IS-ISs)T. Przygienda, N. Shen, N. Sheth | Proposed Standard | February 2008 |
| 5121 | Transmission of IPv6 via the IPv6 Convergence Sublayer over IEEE 802.16 NetworksB. Patil, F. Xia, B. Sarikaya, JH. Choi, S. Madanapalli | Proposed Standard | February 2008 |
| 5122 | Internationalized Resource Identifiers (IRIs) and Uniform Resource Identifiers (URIs) for the Extensible Messaging and Presence Protocol (XMPP)P. Saint-Andre | Proposed Standard | February 2008 |
| 5123 | Considerations in Validating the Path in BGPR. White, B. Akyol | Informational | February 2008 |
| 5124 | Extended Secure RTP Profile for Real-time Transport Control Protocol (RTCP)-Based Feedback (RTP/SAVPF)J. Ott, E. Carrara | Proposed Standard | February 2008 |
| 5125 | Reclassification of RFC 3525 to HistoricT. Taylor | Informational | February 2008 |
| 5126 | CMS Advanced Electronic Signatures (CAdES)D. Pinkas, N. Pope, J. Ross | Informational | March 2008 |
| 5127 | Aggregation of Diffserv Service ClassesK. Chan, J. Babiarz, F. Baker | Informational | February 2008 |
| 5128 | State of Peer-to-Peer (P2P) Communication across Network Address Translators (NATs)P. Srisuresh, B. Ford, D. Kegel | Informational | March 2008 |
| 5129 | Explicit Congestion Marking in MPLSB. Davie, B. Briscoe, J. Tay | Proposed Standard | January 2008 |
| 5130 | A Policy Control Mechanism in IS-IS Using Administrative TagsS. Previdi, M. Shand, Ed., C. Martin | Proposed Standard | February 2008 |
| 5131 | A MIB Textual Convention for Language TagsD. McWalter, Ed. | Proposed Standard | December 2007 |
| 5132 | IP Multicast MIBD. McWalter, D. Thaler, A. Kessler | Proposed Standard | December 2007 |
| 5133 | Terminal Endpoint Identifier (TEI) Query Request Number ChangeM. Tuexen, K. Morneault | Proposed Standard | December 2007 |
| 5134 | A Uniform Resource Name Namespace for the EPCglobal Electronic Product Code (EPC) and Related StandardsM. Mealling | Informational | January 2008 |
| 5135 | IP Multicast Requirements for a Network Address Translator (NAT) and a Network Address Port Translator (NAPT)D. Wing, T. Eckert | Best Current Practice | February 2008 |
| 5136 | Defining Network CapacityP. Chimento, J. Ishac | Informational | February 2008 |
| 5137 | ASCII Escaping of Unicode CharactersJ. Klensin | Best Current Practice | February 2008 |
| 5138 | A Uniform Resource Name (URN) Namespace for the Commission for the Management and Application of Geoscience Information (CGI)S. Cox | Informational | February 2008 |
| 5139 | Revised Civic Location Format for Presence Information Data Format Location Object (PIDF-LO)M. Thomson, J. Winterbottom | Proposed Standard | February 2008 |
| 5140 | A Telephony Gateway REgistration Protocol (TGREP)M. Bangalore, R. Kumar, J. Rosenberg, H. Salama, D.N. Shah | Proposed Standard | March 2008 |
| 5141 | A Uniform Resource Name (URN) Namespace for the International Organization for Standardization (ISO)J. Goodwin, H. Apel | Informational | March 2008 |
| 5142 | Mobility Header Home Agent Switch MessageB. Haley, V. Devarapalli, H. Deng, J. Kempf | Proposed Standard | January 2008 |
| 5143 | Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation Service over MPLS (CEM) EncapsulationA. Malis, J. Brayley, J. Shirron, L. Martini, S. Vogelsang · obsoleted by RFC 4842 | Historic | February 2008 |
| 5144 | A Domain Availability Check (DCHK) Registry Type for the Internet Registry Information Service (IRIS)A. Newton, M. Sanz | Proposed Standard | February 2008 |
| 5145 | Framework for MPLS-TE to GMPLS MigrationK. Shiomoto, Ed. | Informational | March 2008 |
| 5146 | Interworking Requirements to Support Operation of MPLS-TE over GMPLS NetworksK. Kumaki, Ed. | Informational | March 2008 |
| 5147 | URI Fragment Identifiers for the text/plain Media TypeE. Wilde, M. Duerst | Proposed Standard | April 2008 |
| 5148 | Jitter Considerations in Mobile Ad Hoc Networks (MANETs)T. Clausen, C. Dearlove, B. Adamson | Informational | February 2008 |