On 6/22/16 at 5:24 PM, martin.thom...@gmail.com (Martin Thomson) wrote:

To be clear about this, I expect that browsers will do some fairly
horrific things in response to this.  We will attempt to use 0-RTT,
get TLS 1.2 and abort as described.

But then we will do the shameful thing and fall back to 1.2.  Plotting
out the alternatives, I don't really see a better option.

Well, it seems like a browser could try TLS 1.3 without 0-RTT first.

If it connects with 1.3 non-0-RTT, then it could mark the host as not supporting 0-RTT for a day or so and after that time retry to see if the host has been fixed.

Cheers - Bill

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Bill Frantz        | Since the IBM Selectric, keyboards have gotten
408-356-8506       | steadily worse. Now we have touchscreen keyboards.
www.pwpconsult.com | Can we make something even worse?

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