[Bier] Re: I-D Action: draft-ietf-bier-ping-23.txt

[Carlos Pignataro <[e-mail]>]

Dear Greg,

Thanks for addressing some of my comments, and for holding the editing pen improving the document.

It is still unclear to me how Figures 1 and 2 are mutually consistent — could you please share an example encoding with actual values for a canonical bier echo request? And for a bier echo reply? 

Thanks,

Carlos.


> On May 13, 2026, at 1:16 AM, Greg Mirsky <[e-mail]> wrote:
> 
> 
> Dear All,
> updates in the new version address comments received from Carlos and the discussion with the WG Chairs.
> 
> Please share your questions and comments. Ready for the next step to progress this document to publication.
> 
> Regards,
> Greg
> 
> ---------- Forwarded message ---------
> From: <[e-mail] <mailto:[e-mail]>>
> Date: Tue, May 12, 2026 at 3:19 PM
> Subject: [Bier] I-D Action: draft-ietf-bier-ping-23.txt
> To: <[e-mail] <mailto:[e-mail]>>
> Cc: <[e-mail] <mailto:[e-mail]>>
> 
> 
> Internet-Draft draft-ietf-bier-ping-23.txt is now available. It is a work item
> of the Bit Indexed Explicit Replication (BIER) WG of the IETF.
> 
>    Title:   Bit Index Explicit Replication (BIER) Ping and Trace
>    Authors: Nagendra Kumar
>             Carlos Pignataro
>             Mach Chen
>             Greg Mirsky
>    Name:    draft-ietf-bier-ping-23.txt
>    Pages:   38
>    Dates:   2026-05-12
> 
> Abstract:
> 
>    Bit Index Explicit Replication (BIER) is a multicast forwarding
>    architecture designed to simplify and optimize multicast delivery.
> 
>    This document specifies the mechanism and basic BIER OAM packet
>    format that can be used to perform failure detection and isolation on
>    the BIER data plane without any dependency on other layers, like the
>    IP layer.
> 
> The IETF datatracker status page for this Internet-Draft is:
> https://datatracker.ietf.org/doc/draft-ietf-bier-ping/
> 
> There is also an HTML version available at:
> https://www.ietf.org/archive/id/draft-ietf-bier-ping-23.html
> 
> A diff from the previous version is available at:
> https://author-tools.ietf.org/iddiff?url2=draft-ietf-bier-ping-23
> 
> Internet-Drafts are also available by rsync at:
> rsync.ietf.org::internet-drafts
> 
> 
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