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[dtn] IESG feedback for draft-ietf-dtn-tcpclv4

Brian Sipos <BSipos@rkf-eng.com> Mon, 24 February 2020 22:54 UTC

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From: Brian Sipos <BSipos@rkf-eng.com>
To: "dtn@ietf.org" <dtn@ietf.org>
Thread-Topic: IESG feedback for draft-ietf-dtn-tcpclv4
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Date: Mon, 24 Feb 2020 22:53:56 +0000
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Subject: [dtn] IESG feedback for draft-ietf-dtn-tcpclv4
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All,
I'm in progress of reviewing comments from [1]. Many of these are phrasing or spelling (and I will try to run the text version through a spell checker to catch more typos). Some are typos from the split of Contact Header from SESS_INIT message, with no change in specified behavior.

Several substantial comments are around the use of TLS or specific version of TLS required that will need some change in specifications. A few comments were questioning the optional use of TLS, for which I am going to stick with the earlier WG decision to keep TLS mandatory-to-implement but not mandatory-to-use. There are also comments of whether supporting TLS 1.2 is necessary now that TLS 1.3 is approved and in many implementations. Are there any WG objections to making TLS 1.3 the specified baseline version? This would not preventing an implementation to negotiate down to 1.2, or some earlier version allowed by local policy for that matter.

[1] https://datatracker.ietf.org/doc/draft-ietf-dtn-tcpclv4/ballot/

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