Re: [quicwg/base-drafts] Limit CWND increase in slow start (#3232)

Vidhi Goel <> Wed, 27 November 2019 06:57 UTC

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Date: Tue, 26 Nov 2019 22:56:57 -0800
From: Vidhi Goel <>
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Subject: Re: [quicwg/base-drafts] Limit CWND increase in slow start (#3232)
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goelvidhi commented on this pull request.

> @@ -769,7 +769,10 @@ Implementations MUST either use pacing or limit such bursts to the initial
 congestion window, which is recommended to be the minimum of
 10 * max_datagram_size and max(2* max_datagram_size, 14720)), where
 max_datagram_size is the current maximum size of a datagram for the connection,
-not including UDP or IP overhead.
+not including UDP or IP overhead. An implementation that does not use pacing
+SHOULD limit the congestion window increase during slow start to

I think we can say either "MAY" or "SHOULD" instead of MAY/SHOULD. I am ok with changing it to "MAY" as there is already a requirement for limiting it to 10 datagrams in the previous line.

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