RFC 5766: Traversal Using Relays around NAT (TURN): Relay Extensions to Session Traversal Utilities for NAT (STUN)

If a host is located behind a NAT, then in certain situations it can be impossible for that host to communicate directly with other hosts (peers). In these…

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Outgoing relationships (20 related RFCs)

Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 1122: Requirements for Internet Hosts - Communication Layers
Normative reference — RFC 3168: The Addition of Explicit Congestion Notification (ECN) to IP
Normative reference — RFC 2474: Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 Headers
Normative reference — RFC 5389: Session Traversal Utilities for NAT (STUN)
Informative reference — RFC 3261: SIP: Session Initiation Protocol
Informative reference — RFC 3550: RTP: A Transport Protocol for Real-Time Applications
Informative reference — RFC 791: Internet Protocol
Informative reference — RFC 4303: IP Encapsulating Security Payload (ESP)
Informative reference — RFC 4086: Randomness Requirements for Security
Informative reference — RFC 3711: The Secure Real-time Transport Protocol (SRTP)
Informative reference — RFC 1918: Address Allocation for Private Internets
Informative reference — RFC 1191: Path MTU discovery
Informative reference — RFC 4302: IP Authentication Header
Informative reference — RFC 4821: Packetization Layer Path MTU Discovery
Informative reference — RFC 4787: Network Address Translation (NAT) Behavioral Requirements for Unicast UDP
Informative reference — RFC 5245: Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal for Offer/Answer Protocols
Informative reference — RFC 3424: IAB Considerations for UNilateral Self-Address Fixing (UNSAF) Across Network Address Translation
Informative reference — RFC 1928: SOCKS Protocol Version 5
Informative reference — RFC 5128: State of Peer-to-Peer (P2P) Communication across Network Address Translators (NATs)

Incoming relationships (38 related RFCs)

Updated by, Normatively referenced by — RFC 8155: Traversal Using Relays around NAT (TURN) Server Auto Discovery
Updated by — RFC 8553: DNS Attrleaf Changes: Fixing Specifications That Use Underscored Node Names
Obsoleted by, Informatively referenced by — RFC 8656: Traversal Using Relays around NAT (TURN): Relay Extensions to Session Traversal Utilities for NAT (STUN)
Normatively referenced by — RFC 5245: Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal for Offer/Answer Protocols
Normatively referenced by — RFC 8839: Session Description Protocol (SDP) Offer/Answer Procedures for Interactive Connectivity Establishment (ICE)
Normatively referenced by — RFC 6544: TCP Candidates with Interactive Connectivity Establishment (ICE)
Normatively referenced by — RFC 6062: Traversal Using Relays around NAT (TURN) Extensions for TCP Allocations
Normatively referenced by — RFC 7350: Datagram Transport Layer Security (DTLS) as Transport for Session Traversal Utilities for NAT (STUN)
Normatively referenced by — RFC 7983: Multiplexing Scheme Updates for Secure Real-time Transport Protocol (SRTP) Extension for Datagram Transport Layer Security (DTLS)
Normatively referenced by — RFC 6940: REsource LOcation And Discovery (RELOAD) Base Protocol
Normatively referenced by — RFC 5928: Traversal Using Relays around NAT (TURN) Resolution Mechanism
Normatively referenced by — RFC 6157: IPv6 Transition in the Session Initiation Protocol (SIP)
Normatively referenced by — RFC 5767: User-Agent-Driven Privacy Mechanism for SIP
Normatively referenced by — RFC 5770: Basic Host Identity Protocol (HIP) Extensions for Traversal of Network Address Translators
Normatively referenced by — RFC 6156: Traversal Using Relays around NAT (TURN) Extension for IPv6
Normatively referenced by — RFC 6796: A User Agent Profile Data Set for Media Policy
Normatively referenced by — RFC 7065: Traversal Using Relays around NAT (TURN) Uniform Resource Identifiers
Normatively referenced by — RFC 8683: Additional Deployment Guidelines for NAT64/464XLAT in Operator and Enterprise Networks
Normatively referenced by — RFC 7982: Measurement of Round-Trip Time and Fractional Loss Using Session Traversal Utilities for NAT (STUN)
Normatively referenced by — RFC 8016: Mobility with Traversal Using Relays around NAT (TURN)
Normatively referenced by — RFC 7584: Session Traversal Utilities for NAT (STUN) Message Handling for SIP Back-to-Back User Agents (B2BUAs)
Normatively referenced by — RFC 7846: Peer-to-Peer Streaming Tracker Protocol (PPSTP)
Informatively referenced by — RFC 6335: Internet Assigned Numbers Authority (IANA) Procedures for the Management of the Service Name and Transport Protocol Port Number Registry
Informatively referenced by — RFC 7201: Options for Securing RTP Sessions
Informatively referenced by — RFC 6296: IPv6-to-IPv6 Network Prefix Translation
Informatively referenced by — RFC 7657: Differentiated Services (Diffserv) and Real-Time Communication
Informatively referenced by — RFC 5971: GIST: General Internet Signalling Transport
Informatively referenced by — RFC 7667: RTP Topologies
Informatively referenced by — RFC 8838: Trickle ICE: Incremental Provisioning of Candidates for the Interactive Connectivity Establishment (ICE) Protocol
Informatively referenced by — RFC 8489: Session Traversal Utilities for NAT (STUN)
Informatively referenced by — RFC 5853: Requirements from Session Initiation Protocol (SIP) Session Border Control (SBC) Deployments
Informatively referenced by — RFC 6263: Application Mechanism for Keeping Alive the NAT Mappings Associated with RTP / RTP Control Protocol (RTCP) Flows
Informatively referenced by — RFC 8840: A Session Initiation Protocol (SIP) Usage for Incremental Provisioning of Candidates for the Interactive Connectivity Establishment (Trickle ICE)
Informatively referenced by — RFC 7605: Recommendations on Using Assigned Transport Port Numbers
Informatively referenced by — RFC 7635: Session Traversal Utilities for NAT (STUN) Extension for Third-Party Authorization
Informatively referenced by — RFC 7639: The ALPN HTTP Header Field
Informatively referenced by — RFC 7443: Application-Layer Protocol Negotiation (ALPN) Labels for Session Traversal Utilities for NAT (STUN) Usages
Informatively referenced by — RFC 7604: Comparison of Different NAT Traversal Techniques for Media Controlled by the Real-Time Streaming Protocol (RTSP)