Re: [quicwg/base-drafts] Gorry's ECN rewrite (#4059)

[ianswett <[e-mail]>]

@ianswett commented on this pull request.



>  
 
 ### ECN Counts
 
-On receiving a QUIC packet with an ECT or CE codepoint, an ECN-enabled endpoint
-that can access the ECN codepoints from the enclosing IP packet increases the
-corresponding ECT(0), ECT(1), or CE count, and includes these counts in
-subsequent ACK frames; see {{generating-acks}} and {{frame-ack}}.
-
-An IP packet that results in no QUIC packets being processed does not increase
-ECN counts.  A QUIC packet detected by a receiver as a duplicate does not
-affect the receiver's local ECN codepoint counts; see {{security-ecn}} for
-relevant security concerns.
+Use of ECN requires the receiving endpoint to read the ECN codepoint from an IP

I was also unclear on what "Use of ECN" means, so I wanted to specify that as well.

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