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Re: [mpls] Poll 1: ISD and PSD in the MNA Framework

Stewart Bryant <stewart.bryant@gmail.com> Tue, 31 May 2022 09:50 UTC

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From: Stewart Bryant <stewart.bryant@gmail.com>
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Date: Tue, 31 May 2022 10:50:07 +0100
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Cc: Stewart Bryant <stewart.bryant@gmail.com>, loa Andersson <loa@pi.nu>, "mpls@ietf.org" <mpls@ietf.org>, "mpls-chairs@ietf.org" <mpls-chairs@ietf.org>, DetNet Chairs <detnet-chairs@ietf.org>, "pals-chairs@ietf.org" <pals-chairs@ietf.org>
To: Tony Li <tony.li@tony.li>
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Subject: Re: [mpls] Poll 1: ISD and PSD in the MNA Framework
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> On 31 May 2022, at 00:57, Tony Li <tony.li@tony.li> wrote:
> 
>> Note, a Network Action may not require inclusion of Ancillary Data.
> 
> 
> I disagree.  A network action MUST be able to require Ancillary Data.  Example: consider the network slice identifier function.  It may reasonably require a slice identifier be included as Ancillary Data.  Similarly, an entropy network action would require an entropy value as ancillary data.


Hi Tony

I think there is a misunderstanding here.

The intent is to say that an NA may not need AD and thus there may not need to be any AD in the packet.

If an NA needs AD then it absolutely must be able to get it carried in the packet.

- Stewart

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