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

Tianran Zhou <zhoutianran@huawei.com> Mon, 04 January 2021 22:41 UTC

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From: Tianran Zhou <zhoutianran@huawei.com>
To: "Andrew G. Malis" <agmalis@gmail.com>, Loa Andersson <loa@pi.nu>
CC: tom petch <ietfc@btconnect.com>, mpls <mpls@ietf.org>, mpls-chairs <mpls-chairs@ietf.org>, draft-gandhi-mpls-ioam-sr <draft-gandhi-mpls-ioam-sr@ietf.org>
Thread-Topic: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04
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Date: Mon, 04 Jan 2021 22:41:27 +0000
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Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04
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Good to know.
Thanks Loa and Andy.

Tianran




________________________________

Sent from WeLink
发件人： Andrew G. Malis<agmalis@gmail.com<mailto:agmalis@gmail.com>>
收件人： Loa Andersson<loa@pi.nu<mailto:loa@pi.nu>>
抄送： Tianran Zhou<zhoutianran@huawei.com<mailto:zhoutianran@huawei.com>>;tom petch<ietfc@btconnect.com<mailto:ietfc@btconnect.com>>;mpls<mpls@ietf.org<mailto:mpls@ietf.org>>;mpls-chairs<mpls-chairs@ietf.org<mailto:mpls-chairs@ietf.org>>;draft-gandhi-mpls-ioam-sr<draft-gandhi-mpls-ioam-sr@ietf.org<mailto:draft-gandhi-mpls-ioam-sr@ietf.org>>
主题： Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04
时间： 2020-12-31 19:49:13

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<mailto: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<mailto:mpls-bounces@ietf.org>] On Behalf Of Loa Andersson
> Sent: Wednesday, December 30, 2020 12:13 PM
> To: tom petch <ietfc@btconnect.com<mailto:ietfc@btconnect.com>>; Andrew G. Malis <agmalis@gmail.com<mailto:agmalis@gmail.com>>; mpls <mpls@ietf.org<mailto:mpls@ietf.org>>; mpls-chairs <mpls-chairs@ietf.org<mailto:mpls-chairs@ietf.org>>
> Cc: draft-gandhi-mpls-ioam-sr@ietf.org<mailto:draft-gandhi-mpls-ioam-sr@ietf.org>
> Subject: Re: [mpls] MPLS-RT Review of draft-gandhi-mpls-ioam-sr-04
>
> Tom, et.al<http://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<mailto:loa@pi.nu>
Senior MPLS Expert                          loa.pi.nu@gmail.com<mailto:loa.pi.nu@gmail.com>
Bronze Dragon Consulting             phone: +46 739 81 21 64

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