UpdatedPROPOSED STANDARDIETF stream

RFC 8445: Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal

Still current, but amended. Parts of this document are changed or extended by RFC 8863. Read both.

In plain English — editorial summary, not part of the RFC

This document describes a protocol for Network Address Translator (NAT) traversal for UDP-based communication. This protocol is called Interactive Connectivity Establishment (ICE). ICE makes use of the Session Traversal Utilities for NAT (STUN) protocol and its extension, Traversal Using Relay NAT (TURN). This document obsoletes RFC 5245.

Document record

Document ID: RFC8445
Published: July 2018
Authors: A. Keranen; C. Holmberg; J. Rosenberg
Status: PROPOSED STANDARD
Stream: IETF
Area: art
Pages: 100
Also known as: —

Obsoletes:: RFC 5245
Updated by:: RFC 8863

Topics

Standards lineage

This document is one revision in a chain of 6 RFCs, each formally replacing the one before it.

Read the full history of Session Description Protocol (SDP) Offer/Answer Procedures for Interactive Connectivity Establishment (ICE) →

Referenced by

One later RFC formally updates or obsoletes part of this document.

RFC 8863Interactive Connectivity Establishment Patiently Awaiting Connectivity (ICE PAC)Current
January 2021

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The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

Last checked against the RFC Editor index on 23 August 2026. RFCs are never revised after publication; changes are issued as new documents.

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