Hi Acee,
thank you for sharing your comments and suggestions. Please find my notes
below tagged GIM>>.

Regards,
Greg

On Mon, Jul 21, 2025 at 6:07 PM Acee Lindem <[email protected]> wrote:

> As requested by the chairs, I'm reposting my RTGWG comments on this draft.
>
> Like the other draft, I'd like to hear about your use cases for deployment
> of more than 3 VRRP routers for the same Virtual Router (same LAN segment
> and VRID).
>
GIM>> Is there any limitation or a recomendation in Operational
Consideration in RFC 9568 for the number of VRRP routers in the given VRID?

>
> This draft requires implementation of P2MP BFD (RFC 8562) as a
> pre-requisite. Who has implemented this draft?

GIM>> In the course of publishing RFC 8562, at least one released
implementation was noted. As for the draft, to the best of my knowledge,
PoC was completed.

>
>
> The draft shouldn't need to modify the VRRP packets. Given the P2MP BFD
> and its applicability to a Virtual Router needs to be enabled on the
> participating VRRP routers, you shouldn't need to modify the VRRP
> encodings. The BFD encapsulation in the draft can be used and the Virtual
> Router can be determined by the IPv4/IPv6 source address. If RFC 8562
> requires the descriminator, it could configured or your document could
> modify RFC 8562 to avoid bastardizing BFD.

GIM>> That is an interesting suggestion; thank you. Will look into
constructing My Discriminator using VRID.

> Note that other protocols using BFD for fast failure detection do not
> require BFD information to be advertised in the protocol packets (e.g.,
> OSPF and IS-IS).

GIM>> AFAIK, IGPs use respective extensions to advertise My Discriminator
for use in Seamless BFD (RFC 7880). Does that count as BFD-related
information advertised by the IGP?

>
>
> The draft in under specified as it doesn't include of the additions need
> to the RFC 9568 pseudo code specifications. However, I REALLY don't want to
> see any additions to section 7.

GIM>> The intention of the proposal is to have no impact on Section 7 of
RFC 9568. Am I missing something here?

>
>
> Thanks,
> Acee
>
>
>
>
>
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