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[mpls] Re: Poll: IOAM and PSD

"Zafar Ali (zali)" <zali@cisco.com> Tue, 13 August 2024 06:32 UTC

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From: "Zafar Ali (zali)" <zali@cisco.com>
To: Joel Halpern <jmh@joelhalpern.com>, Tony Li <tony.li@tony.li>, mpls <mpls@ietf.org>
Thread-Topic: [mpls] Re: Poll: IOAM and PSD
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Date: Tue, 13 Aug 2024 06:31:52 +0000
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References: <F78CB19B-2880-48AB-99CE-D46280014A87@tony.li> <BEFA7057-95B6-4CEF-AC8A-B3BABF46DBF5@cable.comcast.com> <442cd58b-b9f8-4201-833e-075ca13d9d0a@joelhalpern.com>
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Subject: [mpls] Re: Poll: IOAM and PSD
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Hi Joel,

While it is “too early” for the market to decide, when the timing is right, we can apply that rule. While the poll's purpose must be clarified, picking a winner is “too early”.

Thanks

Regards … Zafar

From: Joel Halpern <jmh@joelhalpern.com>
Date: Thursday, August 8, 2024 at 6:04 PM
To: Tony Li <tony.li@tony.li>, mpls <mpls@ietf.org>
Subject: [mpls] Re: Poll: IOAM and PSD

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


  1.  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><mailto:tony1athome@gmail.com> on behalf of Tony Li <tony.li@tony.li><mailto:tony.li@tony.li>
Date: Tuesday, July 30, 2024 at 11:25 AM
To: mpls <mpls@ietf.org><mailto: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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