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[mpls] Re: Poll: IOAM and PSD

Joel Halpern <jmh@joelhalpern.com> Thu, 08 August 2024 22:03 UTC

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Subject: [mpls] Re: Poll: IOAM and PSD
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Given the comments I am seeing, I will speak up.

As far as I can tell, all the use cases for iOAM can be meet by in-stack 
postcard (direct export) iOAM.  I consider that sufficient and see no 
need for the various post-stack data forms.

Yours,

Joel

On 8/8/2024 4:54 PM, Wen, Bin wrote:
>
> Hi Tony,
>
> Here’s my thoughts:
>
>  1. There are many flavors of IOAM.  Which ones would you like to
>     deploy/implement with MNA?
>
>   * Pre-allocated Trace (value 0) option type in MNA Post-Stack Data
>   * Direct-Export (value 4) option type in MNA Post-Stack Data
>
>  2. Do you have other applications of MNA that have not been proposed yet?
>
>   * I am thinking of NAS for SR policy mid-point failure protection.
>     Instead of FRR with TI-LFA, which can’t guarantee symmetrical
>     bypass. With MNA, we can possibly encode the pre-computed bypass
>     route in the packets.
>
> Thanks,
>
> Bin
>
> *From: *Tony Li <tony1athome@gmail.com> on behalf of Tony Li 
> <tony.li@tony.li>
> *Date: *Tuesday, July 30, 2024 at 11:25 AM
> *To: *mpls <mpls@ietf.org>
> *Subject: *[mpls] Poll: IOAM and PSD
>
> [WG chair hat: on]
>
> Hi all,
>
> We’ve had many discussions about IOAM and PSD over the last few years. 
> We need to reach consensus on the problems that need to be addressed 
> in these areas. Therefore, we would like to hear from everyone, 
> especially independent operators:
>
>  1. There are many flavors of IOAM.  Which ones would you like to
>     deploy/implement with MNA?
>  2. Do you have other applications of MNA that have not been proposed yet?
>
>  This poll will close in two weeks, at 9am PDT, Aug 13.
>
> Regards,
>
> MPLS chairs
>
>
>
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