Re: [ippm] PBT draft

["Brian Trammell (IETF)" <[e-mail]>]

hi Haoyu,

> On 16 Dec 2019, at 20:42, Haoyu Song <[e-mail]> wrote:
> 
> Hi IPPM chairs,
>  
> We have requested to present this draft for two times in past meetings but didn’t get a chance due to the lack of time in WG sessions.
> So I write this email to bring it to your attention.  We also like to raise more discussion in email list.
> 
> https://datatracker.ietf.org/doc/draft-song-ippm-postcard-based-telemetry/
> The draft is now in version 06. 
>  
> It describes and compare two basic types of on-path telemetry techniques: postcard and passport.
> It describes two subtypes of postcard techniques: instruction-based and marking-based. Both has its applications:
>  
> The instruction-based variation has been stripped out from the draft and now evolves to be a new IOAM option mode. The draft has been adopted by IPPM.
> https://tools.ietf.org/html/draft-ioamteam-ippm-ioam-direct-export-00
>  
> The marking-based variation has inspired an implementation in SRv6 which was presented in 6MAN.
> https://tools.ietf.org/html/draft-song-6man-srv6-pbt-01
>  
> We also presented in IPPM the work on using postcard or combining passport and postcard to support efficient multicast telemetry.
> https://tools.ietf.org/html/draft-song-multicast-telemetry-01
>  
> We believe this informational draft introduces an important type of on-path telemetry technique.
> The discussion on technique pros and cons can guide the corresponding  technique development, which is evidenced by the above examples.
> Therefore, I request the working group to consider adoption of it as WG document.

My review of the list discussion to date does not suggest a consensus emerging that a call for adoption should be issued at this time. However, we can place a ten-minute slot on the agenda in Vancouver to discuss this in person.

Cheers,

Brian (as IPPM chair)