Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04

+1

Regards,
Jeff

> On Jan 18, 2021, at 08:47, John E Drake <jdrake=40juniper.net@dmarc.ietf.org> wrote:
> 
> I agree with Stewart.
> 
> Yours Irrespectively,
> 
> John
> 
> 
> Juniper Business Use Only
> 
>> -----Original Message-----
>> From: mpls <mpls-bounces@ietf.org> On Behalf Of Stewart Bryant
>> Sent: Monday, January 18, 2021 10:39 AM
>> To: Mach Chen <mach.chen@huawei.com>
>> Cc: mpls <mpls@ietf.org>; mpls-chairs <mpls-chairs@ietf.org>; draft-gandhi-
>> mpls-ioam-sr@ietf.org; Rakesh Gandhi (rgandhi)
>> <rgandhi=40cisco.com@dmarc.ietf.org>
>> Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04
>> 
>> [External Email. Be cautious of content]
>> 
>> 
>> Hi Mach
>> 
>> It is as much a question for the WG given that this is up for adoption.
>> 
>> In all other aspects MPLS-SR inherits everything from MPLS so why would it not
>> do so here?
>> 
>> Also given that we want iOAM for SR why would we not want it for MPLS and
>> associated technologies such as PW and VPN as well?
>> 
>> So my view is not to make a special case for SR and then have the complexity of
>> introducing it to base MPLS, but instead solve this for MPLS and use it
>> everywhere.
>> 
>> Is there something special about the SR case that I am missing here?
>> 
>> - Stewart
>> 
>> 
>> 
>>>> On 12 Jan 2021, at 03:18, Mach Chen <mach.chen@huawei.com> wrote:
>>> 
>>> Hi Stewart,
>>> 
>>> I guess your questions are for the authors of the draft, I will let
>>> the authors to answer the questions :-)
>>> 
>>> Best regards,
>>> Mach
>>> 
>>>> -----Original Message-----
>>>> From: Stewart Bryant [mailto:stewart.bryant@gmail.com]
>>>> Sent: Tuesday, January 12, 2021 3:29 AM
>>>> To: Mach Chen <mach.chen@huawei.com>
>>>> Cc: Eric Gray <eric.gray@ericsson.com>; Loa Andersson <loa@pi.nu>;
>>>> Greg Mirsky <gregimirsky@gmail.com>; mpls <mpls@ietf.org>; Rakesh
>>>> Gandhi
>>>> (rgandhi) <rgandhi=40cisco.com@dmarc.ietf.org>; mpls-chairs
>>>> <mpls-chairs@ietf.org>; draft-gandhi-mpls-ioam-sr@ietf.org
>>>> Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04
>>>> 
>>>> I have a slightly more fundamental question.
>>>> 
>>>> Why are we specifying this for sr?
>>>> 
>>>> Surely we should specify it for MPLS  and have SR inherit that?
>>>> 
>>>> Also what happens if the MPLS payload is a PW or Detnet or something
>>>> else defined to be immediately below the bottom label?
>>>> 
>>>> Stewart
>> 
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