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[TLS] Re: [IANA #1419884] expert review for draft-ietf-tls-dtls-rrc (tls-extensiontype-values)

"Salz, Rich" <rsalz@akamai.com> Thu, 29 May 2025 15:16 UTC

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From: "Salz, Rich" <rsalz@akamai.com>
To: Thomas Fossati <thomas.fossati@linaro.org>
Thread-Topic: [TLS] Re: [IANA #1419884] expert review for draft-ietf-tls-dtls-rrc (tls-extensiontype-values)
Thread-Index: AQHbz24nRVpccev1u0aLoZpcSWfbXrPoCAJugAAF+ICAAC7kgIAAFSeAgAFlrsk=
Date: Thu, 29 May 2025 15:15:42 +0000
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References: <RT-Ticket-1419884@icann.org> <rt-5.0.3-771993-1748389585-210.1419884-9-0@icann.org> <rt-5.0.3-776217-1748394957-1627.1419884-9-0@icann.org> <IA1PR17MB642175ACD5AEA66CB57271DBCD67A@IA1PR17MB6421.namprd17.prod.outlook.com> <m6b3v4ogzomyvplgn7fj6aa33ecj7qwhbr3ixqfexdjhaoumkk@pt5ktqrjmqx3> <v52rp7vxxkjaymwb6mzgh274mvplsm5ouasfjuqeycblmaihs7@si3lsihcjkxy> <gavxagncdjhcxcl56u4kvyjbjcqzdapy2nabyq2b5xbk3cee7v@tnramx3zqpkk>
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Subject: [TLS] Re: [IANA #1419884] expert review for draft-ietf-tls-dtls-rrc (tls-extensiontype-values)
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The downside of Standards Action is that it makes experimentation much more difficult. (Yes, you could address that by setting aside a range for experimentation.) But is the concern really all that great? In order for it to materially affect the operation of the Internet, multiple parties would have to implement and enable it.

What is the real concern about someone defining a whole new sub-protocol for DTLS?  My view is “so what” If it works, and it’s better (by some metric(s)), great. If it fails, it’s only a subset of users of one implementation that will feel the affects, until it’s disabled.

Note that expert review requires an available specification, and all other TLS registries are expert review. Is this one really all that special? Perhaps it’s worth having an explicit consensus call around this issue, as opposed to a change made in response to a WGLC review.

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