Re: [Last-Call] [Gen-art] Genart last call review of draft-ietf-pim-null-register-packing-13

[Behcet Sarikaya <sarikaya2012@xxxxxxxxx>]

Hi all,

I am the assigned Gen-ART reviewer for this draft. The General Area
Review Team (Gen-ART) reviews all IETF documents being processed
by the IESG for the IETF Chair.  Please treat these comments just
like any other last call comments.

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Document:draft-ietf-pim-null-register-packing-13
Reviewer:Behcet Sarikaya
Review Date:2022-02-17
IETF LC End Date:2022-02-22
IESG Telechat date: (if known)

Summary:

Two new messages for Protocol Independent Multicast – Sparse Mode 
(PIM-SM) PIM Packed Null-Register and a PIM Packed Register-Stop
message and related behaviour extensions to PIM-SM are defined.
PIM Packed Null-Register messages are sent from the first-hop
routers (called Designated Router, DR) to the Rendezvous Point
(RP) in order to enable registering more than one multicast
 sources. PIM Packed Register-Stop messages are sent from RP
to DR to indicate stopping the PIM registration process.

This document is basically ready for publication, but has nits as indicated below.

Major issues:

Minor issues:

Nits/editorial comments:

Nits:
From IETF ID nits tool: 
** Downref: Normative reference to an Informational RFC: RFC 3446
 
s/multiple PIM Null-Registers [RFC7761] and Register-Stops [RFC7761]/ multiple PIM Null-Registers and Register-Stops [RFC7761]
 
Flag Bit 7 in PIM common header is defined as Capability bit but in Figure 1 and throughout the draft it is marked as P bit not as C bit
However, RFC 8736 seems to indicate that Flag Bit 7 is already reserved as No-Forward bit in RFC 5059
So maybe another Flag bit needs to be used. 

Behcet

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