Re: [TLS] WGLC for draft-ietf-tls-ticketrequests

Jeremy Harris <jgh@wizmail.org> Sat, 16 November 2019 16:38 UTC

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From: Jeremy Harris <jgh@wizmail.org>
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Date: Sat, 16 Nov 2019 16:38:17 +0000
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Subject: Re: [TLS] WGLC for draft-ietf-tls-ticketrequests
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On 16/11/2019 11:04, Viktor Dukhovni wrote:
>> We should probably be emphasizing that *all* policy belongs on the server, and
>> we are just defining a signal for the client to convey some information as input
>> to the server's decision.  In that mindset I'm not sure that the "subtract one"
>> signal is the most satisfying design (though I concede that it is probably the
>> most efficient encoding).
> 
> Do you have an alternative suggestion?

The obvious encoding to me would be to reserve the all-bits-set value
to mean "client wants no tickets", all-bits-clear to mean "client
prefers to reuse tickets", anything else meaning "please serve up
to this many fresh tickets".
-- 
Cheers,
  Jeremy