RFC 9186 · PROPOSED STANDARD · 2022

Fast Failover in Protocol Independent Multicast - Sparse Mode Using Bidirectional Forwarding Detection for Multipoint Networks

Overview

RFC 9186, “Fast Failover in Protocol Independent Multicast - Sparse Mode Using Bidirectional Forwarding Detection for Multipoint Networks”, is a Proposed Standard document published in January 2022 by G. Mirsky, X. Ji. The canonical text is published by the RFC Editor.

Abstract

This document specifies how Bidirectional Forwarding Detection (BFD) for multipoint networks can provide sub-second failover for routers that participate in Protocol Independent Multicast - Sparse Mode (PIM-SM). An extension to the PIM Hello message used to bootstrap a point-to-multipoint BFD session is also defined in this document.

Abstract as published in the RFC, via rfc-editor.org.

What “Proposed Standard” means

An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.

Read this RFC

The canonical text of RFC 9186 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.

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