rfc9377v4.txt   rfc9377.txt 
Internet Engineering Task Force (IETF) T. Przygienda, Ed. Internet Engineering Task Force (IETF) T. Przygienda, Ed.
Request for Comments: 9377 C. Bowers Request for Comments: 9377 Juniper
Category: Experimental Juniper Category: Experimental C. Bowers
ISSN: 2070-1721 Y. Lee ISSN: 2070-1721 Individual
Y. Lee
Comcast Comcast
A. Sharma A. Sharma
Individual Individual
R. White R. White
Akamai Akamai
March 2023 April 2023
IS-IS Flood Reflection IS-IS Flood Reflection
Abstract Abstract
This document describes a backward-compatible, optional IS-IS This document describes a backward-compatible, optional IS-IS
extension that allows the creation of IS-IS flood reflection extension that allows the creation of IS-IS flood reflection
topologies. Flood reflection permits topologies in which topologies. Flood reflection permits topologies in which
IS-IS Level 1 (L1) areas provide transit-forwarding for IS-IS Level 2 IS-IS Level 1 (L1) areas provide transit-forwarding for IS-IS Level 2
(L2) areas using all available L1 nodes internally. It accomplishes (L2) areas using all available L1 nodes internally. It accomplishes
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Authors' Addresses Authors' Addresses
Tony Przygienda (editor) Tony Przygienda (editor)
Juniper Juniper
1137 Innovation Way 1137 Innovation Way
Sunnyvale, CA Sunnyvale, CA
United States of America United States of America
Email: prz@juniper.net Email: prz@juniper.net
Chris Bowers Chris Bowers
Juniper Individual
1137 Innovation Way
Sunnyvale, CA
United States of America
Email: chrisbowers.ietf@gmail.com Email: chrisbowers.ietf@gmail.com
Yiu Lee Yiu Lee
Comcast Comcast
1800 Bishops Gate Blvd 1800 Bishops Gate Blvd
Mount Laurel, NJ 08054 Mount Laurel, NJ 08054
United States of America United States of America
Email: Yiu_Lee@comcast.com Email: Yiu_Lee@comcast.com
Alankar Sharma Alankar Sharma
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