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Re: [tsvwg] Comments on draft-ietf-tsvwg-transport-encrypt-14

Joseph Touch <touch@strayalpha.com> Sun, 05 April 2020 22:50 UTC

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From: Joseph Touch <touch@strayalpha.com>
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Date: Sun, 05 Apr 2020 15:50:46 -0700
Cc: Gorry Fairhurst <gorry@erg.abdn.ac.uk>, Tom Herbert <tom@herbertland.com>, tsvwg <tsvwg@ietf.org>
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To: "Black, David" <David.Black@dell.com>
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Subject: Re: [tsvwg] Comments on draft-ietf-tsvwg-transport-encrypt-14
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> On Apr 5, 2020, at 3:32 PM, Black, David <David.Black@dell.com> wrote:
> 
> The text on ports is in Section 3.1.1 of the draft - it makes a lot of sense to refer to it rather than cover the same territory again, so mea culpa for overlooking that text.  Also, in 20/20 hindsight, “more effort” was not the right word choice to convey “more involved” or “more complex” – besides, it’s better to simply point out that the transport protocol has to be identified in order to use its headers.
>  
> ...
> OLD
>    UDP-based protocols often do not use well-known port numbers.  
> NEW
>    UDP-based protocols often do not use well-known port numbers,
>    and use of a well-known port number is not limited to the
>    protocol for which the port is well known [RFC7605].

RFC7605 doesn’t say this, or at least most of this.

Yes, there’s no rule that well-known port numbers are used. But that’s not either unique to nor biased towards UDP vs TCP.

Joe

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