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Re: [lamps] Paul Wouters' No Objection on draft-ietf-lamps-5g-nftypes-08: (with COMMENT)

Russ Housley <housley@vigilsec.com> Thu, 01 December 2022 16:48 UTC

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From: Russ Housley <housley@vigilsec.com>
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Date: Thu, 01 Dec 2022 11:48:21 -0500
Cc: IESG <iesg@ietf.org>, draft-ietf-lamps-5g-nftypes@ietf.org, LAMPS Chairs <lamps-chairs@ietf.org>, LAMPS <spasm@ietf.org>, tim.hollebeek@digicert.com
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To: Paul Wouters <paul.wouters@aiven.io>
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Subject: Re: [lamps] Paul Wouters' No Objection on draft-ietf-lamps-5g-nftypes-08: (with COMMENT)
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Paul:

> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
> 
> Thanks for the document.
> 
> I just have one question.
> 
>   This extension MUST NOT be marked critical.
> 
> Why not? One can argue this is greenField deployment but it would be a rather big one :P
> 
>> From what I am reading, this extension is required for 5g, so why not mark it critical if
> the extension is not understood?

TLS is being used for authentication, integrity, and confidentiality within the 5G core, so I do not think we can ensure  that this is a greenField deployment.

Russ

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