Re: [quicwg/base-drafts] Unclear conditions in long header descr. (#2719)

Mike Bishop <> Fri, 17 May 2019 18:10 UTC

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From: Mike Bishop <>
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Subject: Re: [quicwg/base-drafts] Unclear conditions in long header descr. (#2719)
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Multiple issues listed here.  Please consider opening separate issues rather than lumping them all together.

(1) This is old language we agreed to in Chicago.  The requirement to shift to short headers was 1-RTT key availability and version agreement, to accommodate versions where the final keys might be available immediately (i.e. out-of-band agreement) but version negotiation still had to complete.

However, that's a principle for the invariants or such a version, not a requirement of this QUIC version -- and the version negotiation language this referenced is gone now.

(2) What is "Application PN space"?  0-RTT and 1-RTT?  If so, then no -- 0-RTT packets carry application data but are long-header packets.

(3) Unrelated editorial suggestion -- please open a separate issue.

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