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Re: [quicwg/base-drafts] Version negotiation, reserved or 0x?a?a?a?a (#2540)

Jan <notifications@github.com> Thu, 21 March 2019 11:09 UTC

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Date: Thu, 21 Mar 2019 11:09:38 +0000
From: Jan <notifications@github.com>
Reply-To: quicwg/base-drafts <reply+0166e4ab2dba7f0fb0022da2e3a9a6eba79c2119f61e503492cf0000000118ab32f292a169ce193feb3f@reply.github.com>
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Subject: Re: [quicwg/base-drafts] Version negotiation, reserved or 0x?a?a?a?a (#2540)
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In my opinion having an implementation that advertises possible future standards versions without actually supporting them seems wrong, what happens if the other side actually supports this version?
This seems like it could deadlock or look like a bidding down attack in case the client moves to a lower version to resolve the deadlock.

On the other hand, announcing standards versions helps to not ossify around the 0x?a?a?a?a pattern but to me announcing standards versions does not seem like a solution to this.

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