Re: [quicwg/base-drafts] Merge crypto timeout into PTO (#2655)

Jana Iyengar <> Sun, 28 April 2019 07:14 UTC

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Subject: Re: [quicwg/base-drafts] Merge crypto timeout into PTO (#2655)
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janaiyengar commented on this pull request.

> @@ -689,6 +597,69 @@ is received that newly acknowledges packets, loss detection proceeds as
 dictated by packet and time threshold mechanisms, see {{ack-loss-detection}}.
+## PTO for Crypto Packets
+The initial PTO SHOULD be set to twice the initial RTT or 1 second if no
+initial RTT is available as recommended in {{?RFC6298}}.
+Until the server has validated the client's address on the path, the amount of
+data it can send is limited, as specified in Section 8.1 of {{QUIC-TRANSPORT}}.
+If not all unacknowledged CRYPTO data can be sent, then all unacknowledged
+CRYPTO data sent in Initial packets should be retransmitted.  If no data can be
+sent, then no alarm should be armed until data has been received from the

Yes, I meant to come to this -- thanks for catching it. This is not specific to this PR, so I've filed #2656 for it.

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