Re: [tsvwg] Comment on draft-ietf-tsvwg-transport-encrypt-13

"Black, David" <David.Black@dell.com> Mon, 23 March 2020 22:19 UTC

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From: "Black, David" <David.Black@dell.com>
To: Joseph Touch <touch@strayalpha.com>, Tom Herbert <tom@herbertland.com>
CC: tsvwg <tsvwg@ietf.org>, "Black, David" <David.Black@dell.com>
Thread-Topic: [tsvwg] Comment on draft-ietf-tsvwg-transport-encrypt-13
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Date: Mon, 23 Mar 2020 22:19:31 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/tsvwg/KMUnb-ISmgioq93kkA9YcX0dyg4>
Subject: Re: [tsvwg] Comment on draft-ietf-tsvwg-transport-encrypt-13
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[writing as draft shepherd]

Point taken – would it be reasonable to rework that paragraph to observe that there should be incentives for endpoints to expose transport information, e.g., otherwise implementers may simply not bother?

Thanks, --David

From: tsvwg <tsvwg-bounces@ietf.org> On Behalf Of Joseph Touch
Sent: Monday, March 23, 2020 11:20 AM
To: Tom Herbert
Cc: tsvwg
Subject: Re: [tsvwg] Comment on draft-ietf-tsvwg-transport-encrypt-13


[EXTERNAL EMAIL]



On Mar 23, 2020, at 7:58 AM, Tom Herbert <tom@herbertland.com<mailto:tom@herbertland.com>> wrote:

Fundamentally, transport layer is end-to-end information. There is no
contract between end hosts and the network that hosts have to be
honest or correct in setting information in the transport layer-- the
only contract is between the endpoints.

+1

Another point worth mentioning:

- if endpoints can lie or mislead about transport info to get their way, they can, will, and IMO *SHOULD*.

That goes for using port 53 for nearly anything anyone wants to. Transport info isn’t there to make things nice for network operators - that’s what the network layer is for.

Oh, yeah, I know - network operators don’t want “heavy” stuff in *their* headers because it slows them down when they don’t want it. Too bad, IMO. If they want the info, they need to deal with the pain.

Joe