| 5644 | IP Performance Metrics (IPPM): Spatial and MulticastE. Stephan, L. Liang, A. Morton | Proposed Standard | October 2009 |
| 5645 | Update to the Language Subtag RegistryD. Ewell, Ed. | Informational | September 2009 |
| 5646 | Tags for Identifying LanguagesA. Phillips, Ed., M. Davis, Ed. | Best Current Practice | September 2009 |
| 5647 | AES Galois Counter Mode for the Secure Shell Transport Layer ProtocolK. Igoe, J. Solinas | Informational | August 2009 |
| 5648 | Multiple Care-of Addresses RegistrationR. Wakikawa, Ed., V. Devarapalli, G. Tsirtsis, T. Ernst, K. Nagami | Proposed Standard | October 2009 |
| 5649 | Advanced Encryption Standard (AES) Key Wrap with Padding AlgorithmR. Housley, M. Dworkin | Informational | September 2009 |
| 5650 | Definitions of Managed Objects for Very High Speed Digital Subscriber Line 2 (VDSL2)M. Morgenstern, S. Baillie, U. Bonollo | Proposed Standard | September 2009 |
| 5651 | Layered Coding Transport (LCT) Building BlockM. Luby, M. Watson, L. Vicisano | Proposed Standard | October 2009 |
| 5652 | Cryptographic Message Syntax (CMS)R. Housley | Internet Standard | September 2009 |
| 5653 | Generic Security Service API Version 2: Java Bindings UpdateM. Upadhyay, S. Malkani · obsoleted by RFC 8353 | Proposed Standard | August 2009 |
| 5654 | Requirements of an MPLS Transport ProfileB. Niven-Jenkins, Ed., D. Brungard, Ed., M. Betts, Ed., N. Sprecher, S. Ueno | Proposed Standard | September 2009 |
| 5655 | Specification of the IP Flow Information Export (IPFIX) File FormatB. Trammell, E. Boschi, L. Mark, T. Zseby, A. Wagner | Proposed Standard | October 2009 |
| 5656 | Elliptic Curve Algorithm Integration in the Secure Shell Transport LayerD. Stebila, J. Green | Proposed Standard | December 2009 |
| 5657 | Guidance on Interoperation and Implementation Reports for Advancement to Draft StandardL. Dusseault, R. Sparks | Best Current Practice | September 2009 |
| 5658 | Addressing Record-Route Issues in the Session Initiation Protocol (SIP)T. Froment, C. Lebel, B. Bonnaerens | Proposed Standard | October 2009 |
| 5659 | An Architecture for Multi-Segment Pseudowire Emulation Edge-to-EdgeM. Bocci, S. Bryant | Informational | October 2009 |
| 5660 | IPsec Channels: Connection LatchingN. Williams | Proposed Standard | October 2009 |
| 5661 | Network File System (NFS) Version 4 Minor Version 1 ProtocolS. Shepler, Ed., M. Eisler, Ed., D. Noveck, Ed. · obsoleted by RFC 8881 | Proposed Standard | January 2010 |
| 5662 | Network File System (NFS) Version 4 Minor Version 1 External Data Representation Standard (XDR) DescriptionS. Shepler, Ed., M. Eisler, Ed., D. Noveck, Ed. | Proposed Standard | January 2010 |
| 5663 | Parallel NFS (pNFS) Block/Volume LayoutD. Black, S. Fridella, J. Glasgow | Proposed Standard | January 2010 |
| 5664 | Object-Based Parallel NFS (pNFS) OperationsB. Halevy, B. Welch, J. Zelenka | Proposed Standard | January 2010 |
| 5665 | IANA Considerations for Remote Procedure Call (RPC) Network Identifiers and Universal Address FormatsM. Eisler | Proposed Standard | January 2010 |
| 5666 | Remote Direct Memory Access Transport for Remote Procedure CallT. Talpey, B. Callaghan · obsoleted by RFC 8166 | Proposed Standard | January 2010 |
| 5667 | Network File System (NFS) Direct Data PlacementT. Talpey, B. Callaghan · obsoleted by RFC 8267 | Proposed Standard | January 2010 |
| 5668 | 4-Octet AS Specific BGP Extended CommunityY. Rekhter, S. Sangli, D. Tappan | Proposed Standard | October 2009 |
| 5669 | The SEED Cipher Algorithm and Its Use with the Secure Real-Time Transport Protocol (SRTP)S. Yoon, J. Kim, H. Park, H. Jeong, Y. Won | Proposed Standard | August 2010 |
| 5670 | Metering and Marking Behaviour of PCN-NodesP. Eardley, Ed. | Proposed Standard | November 2009 |
| 5671 | Applicability of the Path Computation Element (PCE) to Point-to-Multipoint (P2MP) MPLS and GMPLS Traffic Engineering (TE)S. Yasukawa, A. Farrel, Ed. | Informational | October 2009 |
| 5672 | RFC 4871 DomainKeys Identified Mail (DKIM) Signatures -- UpdateD. Crocker, Ed. · obsoleted by RFC 6376 | Proposed Standard | August 2009 |
| 5673 | Industrial Routing Requirements in Low-Power and Lossy NetworksK. Pister, Ed., P. Thubert, Ed., S. Dwars, T. Phinney | Informational | October 2009 |
| 5674 | Alarms in SyslogS. Chisholm, R. Gerhards | Proposed Standard | October 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 |
| 5677 | IEEE 802.21 Mobility Services Framework Design (MSFD)T. Melia, Ed., G. Bajko, S. Das, N. Golmie, JC. Zuniga | Proposed Standard | December 2009 |
| 5678 | Dynamic Host Configuration Protocol (DHCPv4 and DHCPv6) Options for IEEE 802.21 Mobility Services (MoS) DiscoveryG. Bajko, S. Das | Proposed Standard | December 2009 |
| 5679 | Locating IEEE 802.21 Mobility Services Using DNSG. Bajko | Proposed Standard | December 2009 |
| 5680 | The Nominating Committee Process: Open Disclosure of Willing NomineesS. Dawkins, Ed. · obsoleted by RFC 7437 | Best Current Practice | October 2009 |
| 5681 | TCP Congestion ControlM. Allman, V. Paxson, E. Blanton | Draft Standard | September 2009 |
| 5682 | Forward RTO-Recovery (F-RTO): An Algorithm for Detecting Spurious Retransmission Timeouts with TCPP. Sarolahti, M. Kojo, K. Yamamoto, M. Hata | Proposed Standard | September 2009 |
| 5683 | Password-Authenticated Key (PAK) Diffie-Hellman ExchangeA. Brusilovsky, I. Faynberg, Z. Zeltsan, S. Patel | Informational | February 2010 |
| 5684 | Unintended Consequences of NAT Deployments with Overlapping Address SpaceP. Srisuresh, B. Ford | Informational | February 2010 |
| 5685 | Redirect Mechanism for the Internet Key Exchange Protocol Version 2 (IKEv2)V. Devarapalli, K. Weniger | Proposed Standard | November 2009 |
| 5686 | RTP Payload Format for mU-law EMbedded Codec for Low-delay IP Communication (UEMCLIP) Speech CodecY. Hiwasaki, H. Ohmuro | Proposed Standard | October 2009 |
| 5687 | GEOPRIV Layer 7 Location Configuration Protocol: Problem Statement and RequirementsH. Tschofenig, H. Schulzrinne | Informational | March 2010 |
| 5688 | A Session Initiation Protocol (SIP) Media Feature Tag for MIME Application SubtypesJ. Rosenberg | Proposed Standard | January 2010 |
| 5689 | Extended MKCOL for Web Distributed Authoring and Versioning (WebDAV)C. Daboo | Proposed Standard | September 2009 |
| 5690 | Adding Acknowledgement Congestion Control to TCPS. Floyd, A. Arcia, D. Ros, J. Iyengar | Informational | February 2010 |
| 5691 | RTP Payload Format for Elementary Streams with MPEG Surround Multi-Channel AudioF. de Bont, S. Doehla, M. Schmidt, R. Sperschneider | Proposed Standard | October 2009 |
| 5692 | Transmission of IP over Ethernet over IEEE 802.16 NetworksH. Jeon, S. Jeong, M. Riegel | Proposed Standard | October 2009 |
| 5693 | Application-Layer Traffic Optimization (ALTO) Problem StatementJ. Seedorf, E. Burger | Informational | October 2009 |
| 5694 | Peer-to-Peer (P2P) Architecture: Definition, Taxonomies, Examples, and ApplicabilityG. Camarillo, Ed., IAB | Informational | November 2009 |
| 5695 | MPLS Forwarding Benchmarking Methodology for IP FlowsA. Akhter, R. Asati, C. Pignataro | Informational | November 2009 |
| 5696 | Baseline Encoding and Transport of Pre-Congestion InformationT. Moncaster, B. Briscoe, M. Menth · obsoleted by RFC 6660 | Proposed Standard | November 2009 |
| 5697 | Other Certificates ExtensionS. Farrell | Experimental | November 2009 |
| 5698 | Data Structure for the Security Suitability of Cryptographic Algorithms (DSSC)T. Kunz, S. Okunick, U. Pordesch | Proposed Standard | November 2009 |
| 5701 | IPv6 Address Specific BGP Extended Community AttributeY. Rekhter | Proposed Standard | November 2009 |
| 5702 | Use of SHA-2 Algorithms with RSA in DNSKEY and RRSIG Resource Records for DNSSECJ. Jansen | Proposed Standard | October 2009 |
| 5703 | Sieve Email Filtering: MIME Part Tests, Iteration, Extraction, Replacement, and EnclosureT. Hansen, C. Daboo | Proposed Standard | October 2009 |
| 5704 | Uncoordinated Protocol Development Considered HarmfulS. Bryant, Ed., M. Morrow, Ed., IAB | Informational | November 2009 |
| 5705 | Keying Material Exporters for Transport Layer Security (TLS)E. Rescorla | Proposed Standard | March 2010 |
| 5706 | Guidelines for Considering Operations and Management of New Protocols and Protocol ExtensionsD. Harrington | Informational | November 2009 |
| 5707 | Media Server Markup Language (MSML)A. Saleem, Y. Xin, G. Sharratt | Informational | February 2010 |
| 5708 | X.509 Key and Signature Encoding for the KeyNote Trust Management SystemA. Keromytis | Informational | January 2010 |
| 5709 | OSPFv2 HMAC-SHA Cryptographic AuthenticationM. Bhatia, V. Manral, M. Fanto, R. White, M. Barnes, T. Li, R. Atkinson | Proposed Standard | October 2009 |
| 5710 | PathErr Message Triggered MPLS and GMPLS LSP ReroutesL. Berger, D. Papadimitriou, JP. Vasseur | Proposed Standard | January 2010 |
| 5711 | Node Behavior upon Originating and Receiving Resource Reservation Protocol (RSVP) Path Error MessagesJP. Vasseur, Ed., G. Swallow, I. Minei | Proposed Standard | January 2010 |
| 5712 | MPLS Traffic Engineering Soft PreemptionM. Meyer, Ed., JP. Vasseur, Ed. | Proposed Standard | January 2010 |
| 5713 | Security Threats and Security Requirements for the Access Node Control Protocol (ANCP)H. Moustafa, H. Tschofenig, S. De Cnodder | Informational | January 2010 |
| 5714 | IP Fast Reroute FrameworkM. Shand, S. Bryant | Informational | January 2010 |
| 5715 | A Framework for Loop-Free ConvergenceM. Shand, S. Bryant | Informational | January 2010 |
| 5716 | Requirements for Federated File SystemsJ. Lentini, C. Everhart, D. Ellard, R. Tewari, M. Naik | Informational | January 2010 |
| 5717 | Partial Lock Remote Procedure Call (RPC) for NETCONFB. Lengyel, M. Bjorklund | Proposed Standard | December 2009 |
| 5718 | An In-Band Data Communication Network For the MPLS Transport ProfileD. Beller, A. Farrel | Proposed Standard | January 2010 |
| 5719 | Updated IANA Considerations for Diameter Command Code AllocationsD. Romascanu, H. Tschofenig · obsoleted by RFC 6733 | Proposed Standard | January 2010 |
| 5720 | Routing and Addressing in Networks with Global Enterprise Recursion (RANGER)F. Templin | Informational | February 2010 |
| 5721 | POP3 Support for UTF-8R. Gellens, C. Newman · obsoleted by RFC 6856 | Experimental | February 2010 |
| 5722 | Handling of Overlapping IPv6 FragmentsS. Krishnan | Proposed Standard | December 2009 |
| 5723 | Internet Key Exchange Protocol Version 2 (IKEv2) Session ResumptionY. Sheffer, H. Tschofenig | Proposed Standard | January 2010 |
| 5724 | URI Scheme for Global System for Mobile Communications (GSM) Short Message Service (SMS)E. Wilde, A. Vaha-Sipila | Proposed Standard | January 2010 |
| 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 |
| 5726 | Mobile IPv6 Location Privacy SolutionsY. Qiu, F. Zhao, Ed., R. Koodli | Experimental | February 2010 |
| 5727 | Change Process for the Session Initiation Protocol (SIP) and the Real-time Applications and Infrastructure AreaJ. Peterson, C. Jennings, R. Sparks | Best Current Practice | March 2010 |
| 5728 | The SatLabs Group DVB-RCS MIBS. Combes, P. Amundsen, M. Lambert, H-P. Lexow | Informational | March 2010 |
| 5729 | Clarifications on the Routing of Diameter Requests Based on the Username and the RealmJ. Korhonen, Ed., M. Jones, L. Morand, T. Tsou | Proposed Standard | December 2009 |
| 5730 | Extensible Provisioning Protocol (EPP)S. Hollenbeck | Internet Standard | August 2009 |
| 5731 | Extensible Provisioning Protocol (EPP) Domain Name MappingS. Hollenbeck | Internet Standard | August 2009 |
| 5732 | Extensible Provisioning Protocol (EPP) Host MappingS. Hollenbeck | Internet Standard | August 2009 |
| 5733 | Extensible Provisioning Protocol (EPP) Contact MappingS. Hollenbeck | Internet Standard | August 2009 |
| 5734 | Extensible Provisioning Protocol (EPP) Transport over TCPS. Hollenbeck | Internet Standard | August 2009 |
| 5735 | Special Use IPv4 AddressesM. Cotton, L. Vegoda · obsoleted by RFC 6890 | Best Current Practice | January 2010 |
| 5736 | IANA IPv4 Special Purpose Address RegistryG. Huston, M. Cotton, L. Vegoda · obsoleted by RFC 6890 | Informational | January 2010 |
| 5737 | IPv4 Address Blocks Reserved for DocumentationJ. Arkko, M. Cotton, L. Vegoda | Informational | January 2010 |
| 5738 | IMAP Support for UTF-8P. Resnick, C. Newman · obsoleted by RFC 6855 | Experimental | March 2010 |
| 5739 | IPv6 Configuration in Internet Key Exchange Protocol Version 2 (IKEv2)P. Eronen, J. Laganier, C. Madson | Experimental | 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 |
| 5742 | IESG Procedures for Handling of Independent and IRTF Stream SubmissionsH. Alvestrand, R. Housley | Best Current Practice | December 2009 |