RFC 5245: Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal for Offer/Answer Protocols
This RFC has been replaced. Do not implement against it for new work — it was formally obsoleted by RFC 8445, RFC 8839.
Current document in this lineage: RFC 8445 — Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal; RFC 8839 — Session Description Protocol (SDP) Offer/Answer Procedures for Interactive Connectivity Establishment (ICE)
In plain English — editorial summary, not part of the RFC
This document describes a protocol for Network Address Translator (NAT) traversal for UDP-based multimedia sessions established with the offer/answer model. 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). ICE can be used by any protocol utilizing the offer/answer model, such as the Session Initiation Protocol (SIP). [STANDARDS-TRACK]
Document record
- Document ID
- RFC5245
- Published
- April 2010
- Authors
- J. Rosenberg
- Status
- PROPOSED STANDARD
- Stream
- IETF
- Area
- art
- Pages
- 117
- Also known as
- —
- Updated by:
- RFC 6336
Standards lineage
This document is one revision in a chain of 6 RFCs, each formally replacing the one before it.
Referenced by
3 later RFCs formally update or obsolete part of this document.
- RFC 6336IANA Registry for Interactive Connectivity Establishment (ICE) OptionsObsoleted
July 2011
- RFC 8445Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) TraversalUpdated
July 2018
- RFC 8839Session Description Protocol (SDP) Offer/Answer Procedures for Interactive Connectivity Establishment (ICE)Current
January 2021
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About this page
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 . RFCs are never revised after publication; changes are issued as new documents.
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