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Preferred Path Route Graph Structure

Document Type Expired Internet-Draft (individual)
Expired & archived
Authors Uma Chunduri , Toerless Eckert
Last updated 2021-04-01 (Latest revision 2020-09-28)
RFC stream (None)
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
Telechat date (None)
Responsible AD (None)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


This document defines a graph structure for the Preferred Path Route (PPR) for IS-IS, OSPFv2 and OSPFv3 protocols. This structure helps further scale of the PPR and reduce domain level global entries needed in some data planes.


Uma Chunduri
Toerless Eckert

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)