Re: [quicwg/base-drafts] Restarting from idle (#2023)

[MikkelFJ <[e-mail]>]

mikkelfj commented on this pull request.



> +
+A connection is idle if bytes in flight is 0 and there is nothing
+retransmittable to send.  This occurs when the connection is application
+limited and after a verified retransmission timeout.  In order to limit the
+size of bursts sent into the network, the behavior when restarting from idle
+depends upon whether pacing is used.
+
+If pacing is used, the connection should limit the initial burst of packets to
+no more than the initial congestion window and subsequent packets SHOULD be
+paced. The congestion window does not change while the connection is idle.
+
+If pacing is not used, the congestion window SHOULD be reset to the minimum of
+the current congestion window and the initial congestion window.  If the
+slow start threshold is larger than the congestion window, the congestion window
+will grow back to the congestion window prior to idle via slow start.  This
+recommendation is based on Section 4.1 of {{?RFC5681}}.

Can't comment on @janaiyengar's other comment for some reason. But my suggestion is only to decay exponentially, not to aggressively grow the window from where at landed.

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