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RFC 9977
Title: Publishing End-Site Prefix Lengths
Author: O. Gasser,
R. Bush,
M. Candela,
R. Housley
Status: Proposed Standard
Stream: IETF
Date: May 2026
Mailbox: [email protected],
[email protected],
[email protected],
[email protected]
Pages: 26
I-D Tag: draft-ietf-opsawg-prefix-lengths-14.txt
URL: https://www.rfc-editor.org/info/rfc9977
DOI: 10.17487/RFC9977
This document specifies how to augment the Routing Policy Specification
Language (RPSL) inetnum: class to refer specifically to prefixlen files, which
are Comma-Separated Values (CSV) files used to specify end-site prefix lengths.
This document also describes an optional mechanism that uses the Resource
Public Key Infrastructure (RPKI) to authenticate the prefixlen files.
This document is a product of the Operations and Management Area Working Group
Working Group of the IETF.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and
suggestions for improvements. Distribution of this memo is unlimited.
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