Fast Failover in Protocol Independent Multicast - Sparse Mode Using Bidirectional Forwarding Detection for Multipoint Networks
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.
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.
The canonical text of RFC 9186 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
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