I-D Action: draft-wang-idr-path-attribute-orf-00.txt

Internet-Draft draft-wang-idr-path-attribute-orf-00.txt is now available.

   Title:   Path Attribute Outbound Route Filter (PA-ORF) for BGP-4
   Author:  Aijun Wang
   Name:    draft-wang-idr-path-attribute-orf-00.txt
   Pages:   20
   Dates:   2026-08-25

Abstract:

   This document defines a family of Outbound Route Filter (ORF) Types
   for controlling the propagation of BGP Path Attributes.

   The Path Attribute ORFs (PA-ORFs) enable a BGP speaker to dynamically
   request that a peer suppress, remove, refine, or constrain the
   propagation of selected BGP Path Attributes when constructing
   outbound UPDATE messages for a given AFI/SAFI.

   This document defines four ORF Types:

   Path Attribute Type ORF;

   Path Attribute Subtype ORF;

   Unknown Path Attribute ORF; and

   Path Attribute Propagation Scope ORF.

   These ORF Types reuse the ORF Capability and ROUTE-REFRESH procedures
   defined in [RFC5291].  No new BGP Path Attribute or BGP message type
   is introduced.

   PA-ORFs are intended to reduce unintended propagation of BGP Path
   Attributes, especially Optional Transitive attributes whose semantics
   are valid only within a limited administrative, service, or
   technology domain.

The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-wang-idr-path-attribute-orf/

There is also an HTMLized version available at:
https://datatracker.ietf.org/doc/html/draft-wang-idr-path-attribute-orf-00

Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts


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