| 6436 | Rationale for Update to the IPv6 Flow Label SpecificationS. Amante, B. Carpenter, S. Jiang | Informational | November 2011 |
| 6437 | IPv6 Flow Label SpecificationS. Amante, B. Carpenter, S. Jiang, J. Rajahalme | Proposed Standard | November 2011 |
| 6438 | Using the IPv6 Flow Label for Equal Cost Multipath Routing and Link Aggregation in TunnelsB. Carpenter, S. Amante | Proposed Standard | November 2011 |
| 6439 | Routing Bridges (RBridges): Appointed ForwardersR. Perlman, D. Eastlake, Y. Li, A. Banerjee, F. Hu · obsoleted by RFC 8139 | Proposed Standard | November 2011 |
| 6440 | The EAP Re-authentication Protocol (ERP) Local Domain Name DHCPv6 OptionG. Zorn, Q. Wu, Y. Wang | Proposed Standard | December 2011 |
| 6441 | Time to Remove Filters for Previously Unallocated IPv4 /8sL. Vegoda | Best Current Practice | November 2011 |
| 6442 | Location Conveyance for the Session Initiation ProtocolJ. Polk, B. Rosen, J. Peterson | Proposed Standard | December 2011 |
| 6443 | Framework for Emergency Calling Using Internet MultimediaB. Rosen, H. Schulzrinne, J. Polk, A. Newton | Informational | December 2011 |
| 6444 | Location Hiding: Problem Statement and RequirementsH. Schulzrinne, L. Liess, H. Tschofenig, B. Stark, A. Kuett | Informational | January 2012 |
| 6445 | Multiprotocol Label Switching (MPLS) Traffic Engineering Management Information Base for Fast RerouteT. Nadeau, Ed., A. Koushik, Ed., R. Cetin, Ed. | Proposed Standard | November 2011 |
| 6446 | Session Initiation Protocol (SIP) Event Notification Extension for Notification Rate ControlA. Niemi, K. Kiss, S. Loreto | Proposed Standard | January 2012 |
| 6447 | Filtering Location Notifications in the Session Initiation Protocol (SIP)R. Mahy, B. Rosen, H. Tschofenig | Proposed Standard | January 2012 |
| 6448 | The Unencrypted Form of Kerberos 5 KRB-CRED MessageR. Yount | Proposed Standard | November 2011 |
| 6449 | Complaint Feedback Loop Operational RecommendationsJ. Falk, Ed. | Informational | November 2011 |
| 6450 | Multicast Ping ProtocolS. Venaas | Proposed Standard | December 2011 |
| 6451 | Location-to-Service Translation (LoST) Protocol ExtensionsA. Forte, H. Schulzrinne | Experimental | December 2011 |
| 6452 | The Unicode Code Points and Internationalized Domain Names for Applications (IDNA) - Unicode 6.0P. Faltstrom, Ed., P. Hoffman, Ed. | Proposed Standard | November 2011 |
| 6453 | A URN Namespace for the Open Grid Forum (OGF)F. Dijkstra, R. Hughes-Jones | Informational | December 2011 |
| 6454 | The Web Origin ConceptA. Barth | Proposed Standard | December 2011 |
| 6455 | The WebSocket ProtocolI. Fette, A. Melnikov | Proposed Standard | December 2011 |
| 6456 | Multi-Segment Pseudowires in Passive Optical NetworksH. Li, R. Zheng, A. Farrel | Informational | November 2011 |
| 6457 | PCC-PCE Communication and PCE Discovery Requirements for Inter-Layer Traffic EngineeringT. Takeda, Ed., A. Farrel | Informational | December 2011 |
| 6458 | Sockets API Extensions for the Stream Control Transmission Protocol (SCTP)R. Stewart, M. Tuexen, K. Poon, P. Lei, V. Yasevich | Informational | December 2011 |
| 6459 | IPv6 in 3rd Generation Partnership Project (3GPP) Evolved Packet System (EPS)J. Korhonen, Ed., J. Soininen, B. Patil, T. Savolainen, G. Bajko, K. Iisakkila | Informational | January 2012 |
| 6460 | Suite B Profile for Transport Layer Security (TLS)M. Salter, R. Housley | Historic | January 2012 |
| 6461 | Data for Reachability of Inter-/Intra-NetworK SIP (DRINKS) Use Cases and Protocol RequirementsS. Channabasappa, Ed. | Informational | January 2012 |
| 6462 | Report from the Internet Privacy WorkshopA. Cooper | Informational | January 2012 |
| 6463 | Runtime Local Mobility Anchor (LMA) Assignment Support for Proxy Mobile IPv6J. Korhonen, Ed., S. Gundavelli, H. Yokota, X. Cui | Proposed Standard | February 2012 |
| 6464 | A Real-time Transport Protocol (RTP) Header Extension for Client-to-Mixer Audio Level IndicationJ. Lennox, Ed., E. Ivov, E. Marocco | Proposed Standard | December 2011 |
| 6465 | A Real-time Transport Protocol (RTP) Header Extension for Mixer-to-Client Audio Level IndicationE. Ivov, Ed., E. Marocco, Ed., J. Lennox | Proposed Standard | December 2011 |
| 6466 | IANA Registration of the 'image' Media Type for the Session Description Protocol (SDP)G. Salgueiro | Proposed Standard | December 2011 |
| 6467 | Secure Password Framework for Internet Key Exchange Version 2 (IKEv2)T. Kivinen | Informational | December 2011 |
| 6468 | Sieve Notification Mechanism: SIP MESSAGEA. Melnikov, B. Leiba, K. Li | Proposed Standard | February 2012 |
| 6469 | RTP Payload Format for DV (IEC 61834) VideoK. Kobayashi, K. Mishima, S. Casner, C. Bormann | Proposed Standard | December 2011 |
| 6470 | Network Configuration Protocol (NETCONF) Base NotificationsA. Bierman | Proposed Standard | February 2012 |
| 6471 | Overview of Best Email DNS-Based List (DNSBL) Operational PracticesC. Lewis, M. Sergeant | Informational | January 2012 |
| 6472 | Recommendation for Not Using AS_SET and AS_CONFED_SET in BGPW. Kumari, K. Sriram · obsoleted by RFC 9774 | Best Current Practice | December 2011 |
| 6473 | vCard KIND:applicationP. Saint-Andre | Proposed Standard | December 2011 |
| 6474 | vCard Format Extensions: Place of Birth, Place and Date of DeathK. Li, B. Leiba | Proposed Standard | December 2011 |
| 6475 | Proxy Mobile IPv6 Management Information BaseG. Keeni, K. Koide, S. Gundavelli, R. Wakikawa | Proposed Standard | May 2012 |
| 6476 | Using Message Authentication Code (MAC) Encryption in the Cryptographic Message Syntax (CMS)P. Gutmann | Proposed Standard | January 2012 |
| 6477 | Registration of Military Message Handling System (MMHS) Header Fields for Use in Internet MailA. Melnikov, G. Lunt | Informational | January 2012 |
| 6478 | Pseudowire Status for Static PseudowiresL. Martini, G. Swallow, G. Heron, M. Bocci | Proposed Standard | May 2012 |
| 6479 | IPsec Anti-Replay Algorithm without Bit ShiftingX. Zhang, T. Tsou | Informational | January 2012 |
| 6480 | An Infrastructure to Support Secure Internet RoutingM. Lepinski, S. Kent | Informational | February 2012 |
| 6481 | A Profile for Resource Certificate Repository StructureG. Huston, R. Loomans, G. Michaelson | Proposed Standard | February 2012 |
| 6482 | A Profile for Route Origin Authorizations (ROAs)M. Lepinski, S. Kent, D. Kong · obsoleted by RFC 9582 | Proposed Standard | February 2012 |
| 6483 | Validation of Route Origination Using the Resource Certificate Public Key Infrastructure (PKI) and Route Origin Authorizations (ROAs)G. Huston, G. Michaelson | Informational | February 2012 |
| 6484 | Certificate Policy (CP) for the Resource Public Key Infrastructure (RPKI)S. Kent, D. Kong, K. Seo, R. Watro | Best Current Practice | February 2012 |
| 6485 | The Profile for Algorithms and Key Sizes for Use in the Resource Public Key Infrastructure (RPKI)G. Huston · obsoleted by RFC 7935 | Proposed Standard | February 2012 |
| 6486 | Manifests for the Resource Public Key Infrastructure (RPKI)R. Austein, G. Huston, S. Kent, M. Lepinski · obsoleted by RFC 9286 | Proposed Standard | February 2012 |
| 6487 | A Profile for X.509 PKIX Resource CertificatesG. Huston, G. Michaelson, R. Loomans | Proposed Standard | February 2012 |
| 6488 | Signed Object Template for the Resource Public Key Infrastructure (RPKI)M. Lepinski, A. Chi, S. Kent | Proposed Standard | February 2012 |
| 6489 | Certification Authority (CA) Key Rollover in the Resource Public Key Infrastructure (RPKI)G. Huston, G. Michaelson, S. Kent | Best Current Practice | February 2012 |
| 6490 | Resource Public Key Infrastructure (RPKI) Trust Anchor LocatorG. Huston, S. Weiler, G. Michaelson, S. Kent · obsoleted by RFC 7730 | Proposed Standard | February 2012 |
| 6491 | Resource Public Key Infrastructure (RPKI) Objects Issued by IANAT. Manderson, L. Vegoda, S. Kent | Proposed Standard | February 2012 |
| 6492 | A Protocol for Provisioning Resource CertificatesG. Huston, R. Loomans, B. Ellacott, R. Austein | Proposed Standard | February 2012 |
| 6493 | The Resource Public Key Infrastructure (RPKI) Ghostbusters RecordR. Bush | Historic | February 2012 |
| 6494 | Certificate Profile and Certificate Management for SEcure Neighbor Discovery (SEND)R. Gagliano, S. Krishnan, A. Kukec | Proposed Standard | February 2012 |
| 6495 | Subject Key Identifier (SKI) SEcure Neighbor Discovery (SEND) Name Type FieldsR. Gagliano, S. Krishnan, A. Kukec | Proposed Standard | February 2012 |
| 6496 | Secure Proxy ND Support for SEcure Neighbor Discovery (SEND)S. Krishnan, J. Laganier, M. Bonola, A. Garcia-Martinez | Experimental | February 2012 |
| 6497 | BCP 47 Extension T - Transformed ContentM. Davis, A. Phillips, Y. Umaoka, C. Falk | Informational | February 2012 |
| 6498 | Media Gateway Control Protocol (MGCP) Voiceband Data (VBD) Package and General-Purpose Media Descriptor Parameter PackageJ. Stone, R. Kumar, F. Andreasen | Informational | March 2012 |
| 6501 | Conference Information Data Model for Centralized Conferencing (XCON)O. Novo, G. Camarillo, D. Morgan, J. Urpalainen | Proposed Standard | March 2012 |
| 6502 | Conference Event Package Data Format Extension for Centralized Conferencing (XCON)G. Camarillo, S. Srinivasan, R. Even, J. Urpalainen | Proposed Standard | March 2012 |
| 6503 | Centralized Conferencing Manipulation ProtocolM. Barnes, C. Boulton, S. Romano, H. Schulzrinne | Proposed Standard | March 2012 |
| 6504 | Centralized Conferencing Manipulation Protocol (CCMP) Call Flow ExamplesM. Barnes, L. Miniero, R. Presta, S P. Romano | Informational | March 2012 |
| 6505 | A Mixer Control Package for the Media Control Channel FrameworkS. McGlashan, T. Melanchuk, C. Boulton | Proposed Standard | March 2012 |
| 6506 | Supporting Authentication Trailer for OSPFv3M. Bhatia, V. Manral, A. Lindem · obsoleted by RFC 7166 | Proposed Standard | February 2012 |
| 6507 | Elliptic Curve-Based Certificateless Signatures for Identity-Based Encryption (ECCSI)M. Groves | Informational | February 2012 |
| 6508 | Sakai-Kasahara Key Encryption (SAKKE)M. Groves | Informational | February 2012 |
| 6509 | MIKEY-SAKKE: Sakai-Kasahara Key Encryption in Multimedia Internet KEYing (MIKEY)M. Groves | Informational | February 2012 |
| 6510 | Resource Reservation Protocol (RSVP) Message Formats for Label Switched Path (LSP) Attributes ObjectsL. Berger, G. Swallow | Proposed Standard | February 2012 |
| 6511 | Non-Penultimate Hop Popping Behavior and Out-of-Band Mapping for RSVP-TE Label Switched PathsZ. Ali, G. Swallow, R. Aggarwal | Proposed Standard | February 2012 |
| 6512 | Using Multipoint LDP When the Backbone Has No Route to the RootIJ. Wijnands, E. Rosen, M. Napierala, N. Leymann | Proposed Standard | February 2012 |
| 6513 | Multicast in MPLS/BGP IP VPNsE. Rosen, Ed., R. Aggarwal, Ed. | Proposed Standard | February 2012 |
| 6514 | BGP Encodings and Procedures for Multicast in MPLS/BGP IP VPNsR. Aggarwal, E. Rosen, T. Morin, Y. Rekhter | Proposed Standard | February 2012 |
| 6515 | IPv4 and IPv6 Infrastructure Addresses in BGP Updates for Multicast VPNR. Aggarwal, E. Rosen | Proposed Standard | February 2012 |
| 6516 | IPv6 Multicast VPN (MVPN) Support Using PIM Control Plane and Selective Provider Multicast Service Interface (S-PMSI) Join MessagesY. Cai, E. Rosen, Ed., I. Wijnands | Proposed Standard | February 2012 |
| 6517 | Mandatory Features in a Layer 3 Multicast BGP/MPLS VPN SolutionT. Morin, Ed., B. Niven-Jenkins, Ed., Y. Kamite, R. Zhang, N. Leymann, N. Bitar | Informational | February 2012 |
| 6518 | Keying and Authentication for Routing Protocols (KARP) Design GuidelinesG. Lebovitz, M. Bhatia | Informational | February 2012 |
| 6519 | RADIUS Extensions for Dual-Stack LiteR. Maglione, A. Durand | Proposed Standard | February 2012 |
| 6520 | Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat ExtensionR. Seggelmann, M. Tuexen, M. Williams | Proposed Standard | February 2012 |
| 6521 | Home Agent-Assisted Route Optimization between Mobile IPv4 NetworksA. Makela, J. Korhonen | Experimental | March 2012 |
| 6522 | The Multipart/Report Media Type for the Reporting of Mail System Administrative MessagesM. Kucherawy, Ed. | Internet Standard | January 2012 |
| 6525 | Stream Control Transmission Protocol (SCTP) Stream ReconfigurationR. Stewart, M. Tuexen, P. Lei | Proposed Standard | March 2012 |
| 6526 | IP Flow Information Export (IPFIX) Per Stream Control Transmission Protocol (SCTP) StreamB. Claise, P. Aitken, A. Johnson, G. Muenz | Proposed Standard | March 2012 |
| 6527 | Definitions of Managed Objects for Virtual Router Redundancy Protocol Version 3 (VRRPv3)K. Tata | Proposed Standard | March 2012 |
| 6528 | Defending against Sequence Number AttacksF. Gont, S. Bellovin · obsoleted by RFC 9293 | Proposed Standard | February 2012 |
| 6529 | Host/Host Protocol for the ARPA NetworkA. McKenzie, S. Crocker | Historic | April 2012 |
| 6530 | Overview and Framework for Internationalized EmailJ. Klensin, Y. Ko | Proposed Standard | February 2012 |
| 6531 | SMTP Extension for Internationalized EmailJ. Yao, W. Mao | Proposed Standard | February 2012 |
| 6532 | Internationalized Email HeadersA. Yang, S. Steele, N. Freed | Proposed Standard | February 2012 |
| 6533 | Internationalized Delivery Status and Disposition NotificationsT. Hansen, Ed., C. Newman, A. Melnikov | Proposed Standard | February 2012 |
| 6534 | Loss Episode Metrics for IP Performance Metrics (IPPM)N. Duffield, A. Morton, J. Sommers | Proposed Standard | May 2012 |