UpdatedPROPOSED STANDARDIETF stream

RFC 4012: Routing Policy Specification Language next generation (RPSLng)

Still current, but amended. Parts of this document are changed or extended by RFC 7909. Read both.

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

This memo introduces a new set of simple extensions to the Routing Policy Specification Language (RPSL), enabling the language to document routing policies for the IPv6 and multicast address families currently used in the Internet. [STANDARDS-TRACK]

Document record

Document ID: RFC4012
Published: March 2005
Authors: L. Blunk; J. Damas; F. Parent; A. Robachevsky
Status: PROPOSED STANDARD
Stream: IETF
Area: —
Pages: 16
Also known as: —

Updates:: RFC 2622, RFC 2725
Updated by:: RFC 7909

Referenced by

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

RFC 7909Securing Routing Policy Specification Language (RPSL) Objects with Resource Public Key Infrastructure (RPKI) SignaturesCurrent
June 2016

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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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