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[spec] [announce] Selection of the transport protocol

Stephane Bortzmeyer stephane at sources.org

Tue Mar 2 17:26:19 GMT 2021

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On Tue, Mar 02, 2021 at 04:32:05AM -0500, Sean Conner <sean at conman.org> wrote a message of 28 lines which said:

I only have one question for you then---IF I allowed TLS to be
optional, how would a client know to use TLS, Wireguard or say, Tor?

Note that HTTP has this issue (HTTP 1.1? 1.2? Soon 1.3 which does noteven use TCP?) It is "solved" by some mixture of signaling in the DNS<https://datatracker.ietf.org/doc/draft-ietf-dnsop-svcb-https/>,redirection when possible (Alt-Svc:) and intelligent guessing, probingand memorization by the client.