Re: [quicwg/base-drafts] Bound 0-to-1-RTT Transition (#2466)

David Schinazi <> Fri, 15 February 2019 00:22 UTC

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Subject: Re: [quicwg/base-drafts] Bound 0-to-1-RTT Transition (#2466)
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DavidSchinazi commented on this pull request.

> @@ -2631,7 +2641,10 @@ number 0.  Subsequent packets sent in the same packet number space MUST increase
 the packet number by at least one.
 0-RTT and 1-RTT data exist in the same packet number space to make loss recovery
-algorithms easier to implement between the two packet types.
+algorithms easier to implement between the two packet types.  However, a client
+MUST NOT continue sending 0-RTT packets after beginning to use 1-RTT packets.
+Servers MUST drop 0-RTT packets with greater packet numbers than the lowest
+packet number they have received in a 1-RTT packet.

Good point, I also prefer closing the connection to what I had initially proposed.

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