RFC 4581 · PROPOSED STANDARD · 2006
MON · 14 SEP 2026
Cryptographically Generated Addresses Extension Field Format
Overview
RFC 4581, “Cryptographically Generated Addresses Extension Field Format”, is a Proposed Standard document published in October 2006 by M. Bagnulo, J. Arkko. It updates RFC 3972. The canonical text is published by the RFC Editor.
Abstract
This document defines a Type-Length-Value format for Cryptographically Generated Address (CGA) Extensions. This document updates RFC 3972. [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 4581 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
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