Re: [quicwg/base-drafts] Change PTO to be per packet number space (#3066)

ianswett <> Sat, 02 November 2019 20:31 UTC

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Subject: Re: [quicwg/base-drafts] Change PTO to be per packet number space (#3066)
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ianswett commented on this pull request.

> @@ -461,21 +464,34 @@ The PTO period is the amount of time that a sender ought to wait for an
 acknowledgement of a sent packet.  This time period includes the estimated
 network roundtrip-time (smoothed_rtt), the variance in the estimate (4*rttvar),
 and max_ack_delay, to account for the maximum time by which a receiver might
-delay sending an acknowledgement.
+delay sending an acknowledgement.  When the PTO is armed for Initial or
+Handshake packet number spaces, the max_ack_delay is 0.

I add a citation to QUIC-TRANSPORT for this.

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