Re: [quicwg/base-drafts] sender MUST limit bursts, SHOULD limit to IW (#3936)

[ianswett <[e-mail]>]

@ianswett approved this pull request.



> @@ -877,12 +877,15 @@ similar to a sender's response on a Retransmission Timeout (RTO) in TCP
 
 ## Pacing {#pacing}
 
-This document does not specify a pacer, but it is RECOMMENDED that a sender pace
-sending of all in-flight packets based on input from the congestion
-controller.  Sending multiple packets into the network without any delay between
-them creates a packet burst that might cause short-term congestion and losses.
-Implementations MUST either use pacing or another method to limit such bursts
-to the initial congestion window; see {{initial-cwnd}}.
+A sender SHOULD pace sending of all in-flight packets based on input from the
+congestion controller.
+
+Sending multiple packets into the network without any delay between them creates
+a packet burst that might cause short-term congestion and losses. Senders MUST
+either use pacing or limit such bursts. Senders SHOULD limit bursts to the
+initial congestion window; see {{initial-cwnd}}. A sender with knowledge that
+the network path to the receiver can absorb larger bursts may use a higher

```suggestion
the network path to the receiver can absorb larger bursts MAY use a higher
```

Or change it to a can.

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