| 5301 | Dynamic Hostname Exchange Mechanism for IS-ISD. McPherson, N. Shen | Proposed Standard | October 2008 |
| 5302 | Domain-Wide Prefix Distribution with Two-Level IS-IST. Li, H. Smit, T. Przygienda | Proposed Standard | October 2008 |
| 5303 | Three-Way Handshake for IS-IS Point-to-Point AdjacenciesD. Katz, R. Saluja, D. Eastlake 3rd | Proposed Standard | October 2008 |
| 5304 | IS-IS Cryptographic AuthenticationT. Li, R. Atkinson | Proposed Standard | October 2008 |
| 5305 | IS-IS Extensions for Traffic EngineeringT. Li, H. Smit | Proposed Standard | October 2008 |
| 5306 | Restart Signaling for IS-ISM. Shand, L. Ginsberg · obsoleted by RFC 8706 | Proposed Standard | October 2008 |
| 5307 | IS-IS Extensions in Support of Generalized Multi-Protocol Label Switching (GMPLS)K. Kompella, Ed., Y. Rekhter, Ed. | Proposed Standard | October 2008 |
| 5308 | Routing IPv6 with IS-ISC. Hopps | Proposed Standard | October 2008 |
| 5309 | Point-to-Point Operation over LAN in Link State Routing ProtocolsN. Shen, Ed., A. Zinin, Ed. | Informational | October 2008 |
| 5310 | IS-IS Generic Cryptographic AuthenticationM. Bhatia, V. Manral, T. Li, R. Atkinson, R. White, M. Fanto | Proposed Standard | February 2009 |
| 5311 | Simplified Extension of Link State PDU (LSP) Space for IS-ISD. McPherson, Ed., L. Ginsberg, S. Previdi, M. Shand | Proposed Standard | February 2009 |
| 5316 | ISIS Extensions in Support of Inter-Autonomous System (AS) MPLS and GMPLS Traffic EngineeringM. Chen, R. Zhang, X. Duan · obsoleted by RFC 9346 | Proposed Standard | December 2008 |
| 5317 | Joint Working Team (JWT) Report on MPLS Architectural Considerations for a Transport ProfileS. Bryant, Ed., L. Andersson, Ed. | Informational | February 2009 |
| 5318 | The Session Initiation Protocol (SIP) P-Refused-URI-List Private-Header (P-Header)J. Hautakorpi, G. Camarillo | Informational | December 2008 |
| 5320 | The Subnetwork Encapsulation and Adaptation Layer (SEAL)F. Templin, Ed. | Experimental | February 2010 |
| 5321 | Simple Mail Transfer ProtocolJ. Klensin | Draft Standard | October 2008 |
| 5322 | Internet Message FormatP. Resnick, Ed. | Draft Standard | October 2008 |
| 5323 | Web Distributed Authoring and Versioning (WebDAV) SEARCHJ. Reschke, Ed., S. Reddy, J. Davis, A. Babich | Proposed Standard | November 2008 |
| 5324 | MIB for Fibre-Channel Security Protocols (FC-SP)C. DeSanti, F. Maino, K. McCloghrie | Proposed Standard | September 2008 |
| 5325 | Licklider Transmission Protocol - MotivationS. Burleigh, M. Ramadas, S. Farrell | Informational | September 2008 |
| 5326 | Licklider Transmission Protocol - SpecificationM. Ramadas, S. Burleigh, S. Farrell | Experimental | September 2008 |
| 5327 | Licklider Transmission Protocol - Security ExtensionsS. Farrell, M. Ramadas, S. Burleigh | Experimental | September 2008 |
| 5328 | A Uniform Resource Name (URN) Namespace for the Digital Video Broadcasting Project (DVB)A. Adolf, P. MacAvock | Informational | September 2008 |
| 5329 | Traffic Engineering Extensions to OSPF Version 3K. Ishiguro, V. Manral, A. Davey, A. Lindem, Ed. | Proposed Standard | September 2008 |
| 5330 | A Link-Type sub-TLV to Convey the Number of Traffic Engineering Label Switched Paths Signalled with Zero Reserved Bandwidth across a LinkJP. Vasseur, Ed., M. Meyer, K. Kumaki, A. Bonda | Proposed Standard | October 2008 |
| 5331 | MPLS Upstream Label Assignment and Context-Specific Label SpaceR. Aggarwal, Y. Rekhter, E. Rosen | Proposed Standard | August 2008 |
| 5332 | MPLS Multicast EncapsulationsT. Eckert, E. Rosen, Ed., R. Aggarwal, Y. Rekhter | Proposed Standard | August 2008 |
| 5333 | IANA Registration of Enumservices for Internet CalendaringR. Mahy, B. Hoeneisen | Proposed Standard | October 2009 |
| 5334 | Ogg Media TypesI. Goncalves, S. Pfeiffer, C. Montgomery | Proposed Standard | September 2008 |
| 5335 | Internationalized Email HeadersA. Yang, Ed. · obsoleted by RFC 6532 | Experimental | September 2008 |
| 5336 | SMTP Extension for Internationalized Email AddressesJ. Yao, Ed., W. Mao, Ed. · obsoleted by RFC 6531 | Experimental | September 2008 |
| 5337 | Internationalized Delivery Status and Disposition NotificationsC. Newman, A. Melnikov, Ed. · obsoleted by RFC 6533 | Experimental | September 2008 |
| 5338 | Using the Host Identity Protocol with Legacy ApplicationsT. Henderson, P. Nikander, M. Komu | Experimental | September 2008 |
| 5339 | Evaluation of Existing GMPLS Protocols against Multi-Layer and Multi-Region Networks (MLN/MRN)JL. Le Roux, Ed., D. Papadimitriou, Ed. | Informational | September 2008 |
| 5340 | OSPF for IPv6R. Coltun, D. Ferguson, J. Moy, A. Lindem | Proposed Standard | July 2008 |
| 5341 | The Internet Assigned Number Authority (IANA) tel Uniform Resource Identifier (URI) Parameter RegistryC. Jennings, V. Gurbani | Proposed Standard | September 2008 |
| 5342 | IANA Considerations and IETF Protocol Usage for IEEE 802 ParametersD. Eastlake 3rd · obsoleted by RFC 7042 | Best Current Practice | September 2008 |
| 5343 | Simple Network Management Protocol (SNMP) Context EngineID DiscoveryJ. Schoenwaelder | Internet Standard | September 2008 |
| 5344 | Presence and Instant Messaging Peering Use CasesA. Houri, E. Aoki, S. Parameswar | Informational | October 2008 |
| 5345 | Simple Network Management Protocol (SNMP) Traffic Measurements and Trace Exchange FormatsJ. Schoenwaelder | Informational | October 2008 |
| 5346 | Operational Requirements for ENUM-Based Softswitch UseJ. Lim, W. Kim, C. Park, L. Conroy | Informational | October 2008 |
| 5347 | Media Gateway Control Protocol Fax PackageF. Andreasen, D. Hancock | Informational | October 2008 |
| 5348 | TCP Friendly Rate Control (TFRC): Protocol SpecificationS. Floyd, M. Handley, J. Padhye, J. Widmer | Proposed Standard | September 2008 |
| 5349 | Elliptic Curve Cryptography (ECC) Support for Public Key Cryptography for Initial Authentication in Kerberos (PKINIT)L. Zhu, K. Jaganathan, K. Lauter | Informational | September 2008 |
| 5350 | IANA Considerations for the IPv4 and IPv6 Router Alert OptionsJ. Manner, A. McDonald | Proposed Standard | September 2008 |
| 5351 | An Overview of Reliable Server Pooling ProtocolsP. Lei, L. Ong, M. Tuexen, T. Dreibholz | Informational | September 2008 |
| 5352 | Aggregate Server Access Protocol (ASAP)R. Stewart, Q. Xie, M. Stillman, M. Tuexen | Experimental | September 2008 |
| 5353 | Endpoint Handlespace Redundancy Protocol (ENRP)Q. Xie, R. Stewart, M. Stillman, M. Tuexen, A. Silverton | Experimental | September 2008 |
| 5354 | Aggregate Server Access Protocol (ASAP) and Endpoint Handlespace Redundancy Protocol (ENRP) ParametersR. Stewart, Q. Xie, M. Stillman, M. Tuexen | Experimental | September 2008 |
| 5355 | Threats Introduced by Reliable Server Pooling (RSerPool) and Requirements for Security in Response to ThreatsM. Stillman, Ed., R. Gopal, E. Guttman, S. Sengodan, M. Holdrege | Informational | September 2008 |
| 5356 | Reliable Server Pooling PoliciesT. Dreibholz, M. Tuexen | Experimental | September 2008 |
| 5357 | A Two-Way Active Measurement Protocol (TWAMP)K. Hedayat, R. Krzanowski, A. Morton, K. Yum, J. Babiarz | Proposed Standard | October 2008 |
| 5358 | Preventing Use of Recursive Nameservers in Reflector AttacksJ. Damas, F. Neves | Best Current Practice | October 2008 |
| 5359 | Session Initiation Protocol Service ExamplesA. Johnston, Ed., R. Sparks, C. Cunningham, S. Donovan, K. Summers | Best Current Practice | October 2008 |
| 5360 | A Framework for Consent-Based Communications in the Session Initiation Protocol (SIP)J. Rosenberg, G. Camarillo, Ed., D. Willis | Proposed Standard | October 2008 |
| 5361 | A Document Format for Requesting ConsentG. Camarillo | Proposed Standard | October 2008 |
| 5362 | The Session Initiation Protocol (SIP) Pending Additions Event PackageG. Camarillo | Proposed Standard | October 2008 |
| 5363 | Framework and Security Considerations for Session Initiation Protocol (SIP) URI-List ServicesG. Camarillo, A.B. Roach | Proposed Standard | October 2008 |
| 5364 | Extensible Markup Language (XML) Format Extension for Representing Copy Control Attributes in Resource ListsM. Garcia-Martin, G. Camarillo | Proposed Standard | October 2008 |
| 5365 | Multiple-Recipient MESSAGE Requests in the Session Initiation Protocol (SIP)M. Garcia-Martin, G. Camarillo | Proposed Standard | October 2008 |
| 5366 | Conference Establishment Using Request-Contained Lists in the Session Initiation Protocol (SIP)G. Camarillo, A. Johnston | Proposed Standard | October 2008 |
| 5367 | Subscriptions to Request-Contained Resource Lists in the Session Initiation Protocol (SIP)G. Camarillo, A.B. Roach, O. Levin | Proposed Standard | October 2008 |
| 5368 | Referring to Multiple Resources in the Session Initiation Protocol (SIP)G. Camarillo, A. Niemi, M. Isomaki, M. Garcia-Martin, H. Khartabil | Proposed Standard | October 2008 |
| 5369 | Framework for Transcoding with the Session Initiation Protocol (SIP)G. Camarillo | Informational | October 2008 |
| 5370 | The Session Initiation Protocol (SIP) Conference Bridge Transcoding ModelG. Camarillo | Proposed Standard | October 2008 |
| 5371 | RTP Payload Format for JPEG 2000 Video StreamsS. Futemma, E. Itakura, A. Leung | Proposed Standard | October 2008 |
| 5372 | Payload Format for JPEG 2000 Video: Extensions for Scalability and Main Header RecoveryA. Leung, S. Futemma, E. Itakura | Proposed Standard | October 2008 |
| 5373 | Requesting Answering Modes for the Session Initiation Protocol (SIP)D. Willis, Ed., A. Allen | Proposed Standard | November 2008 |
| 5374 | Multicast Extensions to the Security Architecture for the Internet ProtocolB. Weis, G. Gross, D. Ignjatic | Proposed Standard | November 2008 |
| 5375 | IPv6 Unicast Address Assignment ConsiderationsG. Van de Velde, C. Popoviciu, T. Chown, O. Bonness, C. Hahn | Informational | December 2008 |
| 5376 | Inter-AS Requirements for the Path Computation Element Communication Protocol (PCECP)N. Bitar, R. Zhang, K. Kumaki | Informational | November 2008 |
| 5377 | Advice to the Trustees of the IETF Trust on Rights to Be Granted in IETF DocumentsJ. Halpern, Ed. · obsoleted by RFC 8721 | Informational | November 2008 |
| 5378 | Rights Contributors Provide to the IETF TrustS. Bradner, Ed., J. Contreras, Ed. | Best Current Practice | November 2008 |
| 5379 | Guidelines for Using the Privacy Mechanism for SIPM. Munakata, S. Schubert, T. Ohba | Informational | February 2010 |
| 5380 | Hierarchical Mobile IPv6 (HMIPv6) Mobility ManagementH. Soliman, C. Castelluccia, K. ElMalki, L. Bellier | Proposed Standard | October 2008 |
| 5381 | Experience of Implementing NETCONF over SOAPT. Iijima, Y. Atarashi, H. Kimura, M. Kitani, H. Okita | Informational | October 2008 |
| 5382 | NAT Behavioral Requirements for TCPS. Guha, Ed., K. Biswas, B. Ford, S. Sivakumar, P. Srisuresh | Best Current Practice | October 2008 |
| 5383 | Deployment Considerations for Lemonade-Compliant Mobile EmailR. Gellens | Best Current Practice | October 2008 |
| 5384 | The Protocol Independent Multicast (PIM) Join Attribute FormatA. Boers, I. Wijnands, E. Rosen | Proposed Standard | November 2008 |
| 5385 | Version 2.0 Microsoft Word Template for Creating Internet Drafts and RFCsJ. Touch | Informational | February 2010 |
| 5386 | Better-Than-Nothing Security: An Unauthenticated Mode of IPsecN. Williams, M. Richardson | Proposed Standard | November 2008 |
| 5387 | Problem and Applicability Statement for Better-Than-Nothing Security (BTNS)J. Touch, D. Black, Y. Wang | Informational | November 2008 |
| 5388 | Information Model and XML Data Model for Traceroute MeasurementsS. Niccolini, S. Tartarelli, J. Quittek, T. Dietz, M. Swany | Proposed Standard | December 2008 |
| 5389 | Session Traversal Utilities for NAT (STUN)J. Rosenberg, R. Mahy, P. Matthews, D. Wing · obsoleted by RFC 8489 | Proposed Standard | October 2008 |
| 5390 | Requirements for Management of Overload in the Session Initiation ProtocolJ. Rosenberg | Informational | December 2008 |
| 5391 | RTP Payload Format for ITU-T Recommendation G.711.1A. Sollaud | Proposed Standard | November 2008 |
| 5392 | OSPF Extensions in Support of Inter-Autonomous System (AS) MPLS and GMPLS Traffic EngineeringM. Chen, R. Zhang, X. Duan | Proposed Standard | January 2009 |
| 5393 | Addressing an Amplification Vulnerability in Session Initiation Protocol (SIP) Forking ProxiesR. Sparks, Ed., S. Lawrence, A. Hawrylyshen, B. Campen | Proposed Standard | December 2008 |
| 5394 | Policy-Enabled Path Computation FrameworkI. Bryskin, D. Papadimitriou, L. Berger, J. Ash | Informational | December 2008 |
| 5395 | Domain Name System (DNS) IANA ConsiderationsD. Eastlake 3rd · obsoleted by RFC 6195 | Best Current Practice | November 2008 |
| 5396 | Textual Representation of Autonomous System (AS) NumbersG. Huston, G. Michaelson | Proposed Standard | December 2008 |
| 5397 | WebDAV Current Principal ExtensionW. Sanchez, C. Daboo | Proposed Standard | December 2008 |
| 5398 | Autonomous System (AS) Number Reservation for Documentation UseG. Huston | Informational | December 2008 |