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RFC 9465
Title: PIM Null-Register Packing
Author: V. Kamath,
R. Chokkanathapuram Sundaram,
R. Banthia,
A. Gopal
Status: Standards Track
Stream: IETF
Date: September 2023
Mailbox: [email protected],
[email protected],
[email protected],
[email protected]
Pages: 9
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-pim-null-register-packing-16.txt
URL: https://www.rfc-editor.org/info/rfc9465
DOI: 10.17487/RFC9465
In PIM Sparse Mode (PIM-SM) networks, PIM Null-Register messages are
sent by the Designated Router (DR) to the Rendezvous Point (RP) to
signal the presence of multicast sources in the network. There are
periodic PIM Null-Registers sent from the DR to the RP to keep the
state alive at the RP as long as the source is active. The PIM
Null-Register message carries information about a single multicast
source and group.
This document defines a standard to send information about multiple
multicast sources and groups in a single PIM message. This document
refers to the new messages as the "PIM Packed Null-Register message"
and "PIM Packed Register-Stop message".
This document is a product of the Protocols for IP Multicast Working Group of
the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
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