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ObsoletedPROPOSED STANDARDIETF stream

RFC 4091: The Alternative Network Address Types (ANAT) Semantics for the Session Description Protocol (SDP) Grouping Framework

This RFC has been replaced. Do not implement against it for new work — it was formally obsoleted by RFC 5245.

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 defines the Alternative Network Address Types (ANAT) semantics for the Session Description Protocol (SDP) grouping framework. The ANAT semantics allow alternative types of network addresses to establish a particular media stream. [STANDARDS-TRACK]

Document record

Document ID
RFC4091
Published
June 2005
Authors
G. Camarillo; J. Rosenberg
Status
PROPOSED STANDARD
Stream
IETF
Area
art
Pages
7
Also known as
—
Obsoleted by:
RFC 5245

Standards lineage

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

  1. RFC 4091 (2005)
  2. RFC 4092 (2005)
  3. RFC 5245 (2010)
  4. RFC 6336 (2011)
  5. RFC 8445 (2018)
  6. RFC 8839 (2021) ✓

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.

Related documents

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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 . RFCs are never revised after publication; changes are issued as new documents.

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canonical URL: /rfc/4091-the-alternative-network-address-types-anat-semantics-for-the-session-description