[pim] draft-ietf-pim-pfm-forwarding-enhancements-04.txt and BIDIR-PIM?
"Stevens, Jim " <[email protected]> Tue, 5 May 2026 15:00:55 +0000
| Newsgroups | gmane.ietf.pim |
|---|---|
| Message-ID | <SA1P110MB1878743A9B702CA4240B2EA9B03EA@SA1P110MB1878.NAMP110.PROD.OUTLOOK.COM> |
With respect to:
Title: PIM Flooding Mechanism and Source Discovery Enhancements
Authors: Ananya Gopal
Stig Venaas
Francesco Meo
Name: draft-ietf-pim-pfm-forwarding-enhancements-04.txt
Pages: 12
Dates: 2026-05-04
Abstract:
The Protocol Independent Multicast (PIM) Flooding Mechanism (PFM)
provides a generic hop-by-hop message exchange framework for
distributing multicast information among PIM routers. Existing PFM
procedures enable efficient source discovery without reliance on
Rendezvous Points, shared trees, or initial data registers.
This document specifies enhancements to PFM forwarding behavior to
improve efficiency and scalability. In particular, it introduces
mechanisms to reduce redundant message transmission over multiple
parallel links and extends the encoding of multicast information
through additional Type-Length-Value (TLV) structures and sub-TLVs to
convey richer flow-related data. These enhancements optimize
control-plane overhead while preserving interoperability with
existing PFM procedures, enabling more efficient dissemination of
multicast state in PIM networks.
The IETF datatracker status page for this Internet-Draft is:
https://urldefense.us/v2/url?u=https-3A__datatracker.ietf.org_doc_draft-2Dietf-2Dpim-2Dpfm-2Dforwarding-2Denhancements_&d=DwIGaQ&c=MASr1KIcYm9UGIT-jfIzwQg1YBeAkaJoBtxV_4o83uQ&r=iyrI8diTo-IzLTJTCiTPKlD-K8LuYDK9V9WSAQ1TDHwuV2lh7gz-ih2nd1etPTFY&m=rDlOyJVBxtHlDnQ_8nXVWD0bsNHj_UliDG_152snSyt43Kr4DVkBhSQ_VDFHw0w0&s=i3gaMDLm5OBU8EowS9O8Cx-Hj-pp7Ia37ZyyffI_yng&e=
Does, this RFC apply to bidirectional-pim (BIDIR-PIM)?
If no, then I recommend that this RFC state that it does not apply to BIRDIR-PIM
If yes, then I recommend that this RFC state how it applies to BIRDIR-PIM
Jim Stevens
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