draft-ietf-lsr-isis-flood-reflection-02.txt   draft-ietf-lsr-isis-flood-reflection-03.txt 
Network Working Group A. Przygienda Network Working Group A. Przygienda
Internet-Draft C. Bowers Internet-Draft C. Bowers
Intended status: Standards Track Juniper Intended status: Standards Track Juniper
Expires: July 22, 2021 Y. Lee Expires: January 12, 2022 Y. Lee
A. Sharma A. Sharma
Comcast Comcast
R. White R. White
Juniper Juniper
January 18, 2021 July 11, 2021
IS-IS Flood Reflection IS-IS Flood Reflection
draft-ietf-lsr-isis-flood-reflection-02 draft-ietf-lsr-isis-flood-reflection-03
Abstract Abstract
This document describes an optional ISIS extension that allows the This document describes an optional ISIS extension that allows the
creation of IS-IS flood reflection topologies. Flood reflection creation of IS-IS flood reflection topologies. Flood reflection
allows the creation of topologies where L1 areas provide transit allows the creation of topologies where L1 areas provide transit
forwarding for L2 destinations within an L2 topology. It forwarding for L2 destinations within an L2 topology. It
accomplishes this by creating L2 flood reflection adjacencies within accomplishes this by creating L2 flood reflection adjacencies within
each L1 area. The L2 flood reflection adjacencies are used to flood each L1 area. The L2 flood reflection adjacencies are used to flood
L2 LSPDUs, and they are used in the L2 SPF computation. However, L2 LSPDUs, and they are used in the L2 SPF computation. However,
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This Internet-Draft will expire on July 22, 2021. This Internet-Draft will expire on January 12, 2022.
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