Re: [quicwg/base-drafts] Add some MUSTs to congestion control (#3978)

[ianswett <[e-mail]>]

@ianswett commented on this pull request.



> @@ -996,11 +998,12 @@ Reporting additional ECN-CE markings will cause a sender to reduce their sending
 rate, which is similar in effect to advertising reduced connection flow control
 limits and so no advantage is gained by doing so.
 
-Endpoints choose the congestion controller that they use.  Though congestion
-controllers generally treat reports of ECN-CE markings as equivalent to loss
-({{?RFC8311}}), the exact response for each controller could be different.
-Failure to correctly respond to information about ECN markings is therefore
-difficult to detect.
+Endpoints choose the congestion controller that they use. Congestion controllers
+respond to reports of ECN-CE by reducing their rate, but the response may vary.
+Markings can be treated as equivalent to loss ({{?RFC3168}}), but other
+responses can be specified, such as ({{?RFC8511}}) or ({{?RFC8311}}). Failure to
+correctly respond to information about ECN markings is therefore difficult to
+detect.

This text is pre-existing, but I agree it doesn't say anything important and probably could be removed.

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