Re: [ippm] PBT draft

[Haoyu Song <[e-mail]>]

Hi Brian,

Thank you very much! A meeting discussion will be helpful.
Happy Holidays!

Haoyu  

-----Original Message-----
From: Brian Trammell (IETF) <[e-mail]> 
Sent: Monday, December 23, 2019 8:48 AM
To: Haoyu Song <[e-mail]>
Cc: IPPM Chairs <[e-mail]>; IETF IPPM WG <[e-mail]>
Subject: Re: PBT draft

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://nam03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fdraft-song-ippm-postcard-based-telemetry%2F&amp;data=02%7C01%7Chaoyu.song%40futurewei.com%7Ceffd63354e0249bc15dc08d787c7e9e7%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637127165033425418&amp;sdata=CvjbnDxZYK0lEcAsCh7rgBRgQndmWyel8DWLh3yH32g%3D&amp;reserved=0
> 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://nam03.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftools.ietf.org%2Fhtml%2Fdraft-ioamteam-ippm-ioam-direct-export-00&amp;data=02%7C01%7Chaoyu.song%40futurewei.com%7Ceffd63354e0249bc15dc08d787c7e9e7%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637127165033425418&amp;sdata=WOrM%2F%2BBuecVkYYMbADYX2qyZ44ETuyF6UnOCOG%2B8%2BHo%3D&amp;reserved=0
>  
> The marking-based variation has inspired an implementation in SRv6 which was presented in 6MAN.
> https://nam03.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftools.ietf.org%2Fhtml%2Fdraft-song-6man-srv6-pbt-01&amp;data=02%7C01%7Chaoyu.song%40futurewei.com%7Ceffd63354e0249bc15dc08d787c7e9e7%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637127165033425418&amp;sdata=D0nSg85ZZBZAt3wXryy%2Fh1yyZ1s%2FOjiF4eVLeTiKQC0%3D&amp;reserved=0
>  
> We also presented in IPPM the work on using postcard or combining passport and postcard to support efficient multicast telemetry.
> https://nam03.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftools.ietf.org%2Fhtml%2Fdraft-song-multicast-telemetry-01&amp;data=02%7C01%7Chaoyu.song%40futurewei.com%7Ceffd63354e0249bc15dc08d787c7e9e7%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637127165033435413&amp;sdata=2vQY0VVnSOyOr%2FwSGYNJ0HRHuiEy6k%2Fg0iJaaY6qkjc%3D&amp;reserved=0
>  
> 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)