RFC 3424: IAB Considerations for UNilateral Self-Address Fixing (UNSAF) Across Network Address Translation

As a result of the nature of Network Address Translation (NAT) Middleboxes, communicating endpoints that are separated by one or more NATs do not know how to…

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Incoming relationships (22 related RFCs)

Normatively referenced by — RFC 4380: Teredo: Tunneling IPv6 over UDP through Network Address Translations (NATs)
Informatively referenced by — RFC 4787: Network Address Translation (NAT) Behavioral Requirements for Unicast UDP
Informatively referenced by — RFC 5245: Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal for Offer/Answer Protocols
Informatively referenced by — RFC 5766: Traversal Using Relays around NAT (TURN): Relay Extensions to Session Traversal Utilities for NAT (STUN)
Informatively referenced by — RFC 6296: IPv6-to-IPv6 Network Prefix Translation
Informatively referenced by — RFC 3948: UDP Encapsulation of IPsec ESP Packets
Informatively referenced by — RFC 3947: Negotiation of NAT-Traversal in the IKE
Informatively referenced by — RFC 4101: Writing Protocol Models
Informatively referenced by — RFC 6951: UDP Encapsulation of Stream Control Transmission Protocol (SCTP) Packets for End-Host to End-Host Communication
Informatively referenced by — RFC 8489: Session Traversal Utilities for NAT (STUN)
Informatively referenced by — RFC 5597: Network Address Translation (NAT) Behavioral Requirements for the Datagram Congestion Control Protocol
Informatively referenced by — RFC 5780: NAT Behavior Discovery Using Session Traversal Utilities for NAT (STUN)
Informatively referenced by — RFC 8656: Traversal Using Relays around NAT (TURN): Relay Extensions to Session Traversal Utilities for NAT (STUN)
Informatively referenced by — RFC 5189: Middlebox Communication (MIDCOM) Protocol Semantics
Informatively referenced by — RFC 6886: NAT Port Mapping Protocol (NAT-PMP)
Informatively referenced by — RFC 8170: Planning for Protocol Adoption and Subsequent Transitions
Informatively referenced by — RFC 4540: NEC's Simple Middlebox Configuration (SIMCO) Protocol Version 3.0
Informatively referenced by — RFC 4621: Design of the IKEv2 Mobility and Multihoming (MOBIKE) Protocol
Informatively referenced by — RFC 7216: Location Information Server (LIS) Discovery Using IP Addresses and Reverse DNS
Informatively referenced by — RFC 3869: IAB Concerns and Recommendations Regarding Internet Research and Evolution
Informatively referenced by — RFC 7584: Session Traversal Utilities for NAT (STUN) Message Handling for SIP Back-to-Back User Agents (B2BUAs)
Informatively referenced by — RFC 7604: Comparison of Different NAT Traversal Techniques for Media Controlled by the Real-Time Streaming Protocol (RTSP)