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

"Andrew G. Malis" <agmalis@gmail.com> Thu, 31 December 2020 11:49 UTC

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In-Reply-To: <9b55d4b6-c5ef-c436-34ac-2e8512950c48@pi.nu>
From: "Andrew G. Malis" <agmalis@gmail.com>
Date: Thu, 31 Dec 2020 06:48:38 -0500
Message-ID: <CAA=duU2J9Pmnr7djufYGzNGPPPW3NVhsbg+NwgqCRTrO7G0_+A@mail.gmail.com>
To: Loa Andersson <loa@pi.nu>
Cc: Tianran Zhou <zhoutianran@huawei.com>, tom petch <ietfc@btconnect.com>, mpls <mpls@ietf.org>, mpls-chairs <mpls-chairs@ietf.org>, "draft-gandhi-mpls-ioam-sr@ietf.org" <draft-gandhi-mpls-ioam-sr@ietf.org>
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Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04
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Loa,

That's correct. It's the GAL that has the restriction, but not the ACH
header.

Cheers,
Andy


On Thu, Dec 31, 2020 at 2:39 AM Loa Andersson <loa@pi.nu> wrote:

> Tianran,
>
> I'm not aware of such a restriction, if there were one wouldn't it have
> been applicable to RFC 8169?
>
> /Loa
>
> On 31/12/2020 10:51, Tianran Zhou wrote:
> > I have one concern on the usage of ACH.
> > I am not sure if there is any restriction that Ach is only used for
> active/synthetic packet.
> >
> > Best,
> > Tianran
> > -----Original Message-----
> > From: mpls [mailto:mpls-bounces@ietf.org] On Behalf Of Loa Andersson
> > Sent: Wednesday, December 30, 2020 12:13 PM
> > To: tom petch <ietfc@btconnect.com>; Andrew G. Malis <agmalis@gmail.com>;
> mpls <mpls@ietf.org>; mpls-chairs <mpls-chairs@ietf.org>
> > Cc: draft-gandhi-mpls-ioam-sr@ietf.org
> > Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04
> >
> > Tom, et.al,
> >
> > On 28/12/2020 20:56, tom petch wrote:
> >> However, I'd like to see more discussion on what we should do. In
> >> particular I'd like to see a comment from the authors on this.
> >>
> >> <tp>
> >>
> >> Why not use ACH?
> >
> > I don't think there is anything in the thread the says "don't use ACH",
> what I want is just to tie up the last lose ends before going to decision.
> >
> > /Loa
> >>
> >> Tom Petch
> >
>
> --
>
> Loa Andersson                        email: loa@pi.nu
> Senior MPLS Expert                          loa.pi.nu@gmail.com
> Bronze Dragon Consulting             phone: +46 739 81 21 64
>

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