Re: [quicwg/base-drafts] Equivalence of preferred_address and NEW_CONNECTION_ID (#3560)

Martin Thomson <> Thu, 09 April 2020 00:43 UTC

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From: Martin Thomson <>
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Subject: Re: [quicwg/base-drafts] Equivalence of preferred_address and NEW_CONNECTION_ID (#3560)
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That is an example we discussed.  As Kazuho noted, that doesn't work as we have already agreed that any connection ID (in this case, a zero-length one) can be used prior to handshake completion.

That's why we ended up on 4.  As Ian noted, this isn't ideal, but this is an area that is ripe for extensions that might allow this sort of thing.

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