Re: [quicwg/base-drafts] editorial: This sentence was hard to parse for me (recovery) (#3383)

Mike Bishop <notifications@github.com> Thu, 23 January 2020 15:57 UTC

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Date: Thu, 23 Jan 2020 07:57:46 -0800
From: Mike Bishop <notifications@github.com>
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Subject: Re: [quicwg/base-drafts] editorial: This sentence was hard to parse for me (recovery) (#3383)
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MikeBishop commented on this pull request.



> @@ -272,9 +272,10 @@ SHOULD NOT be used to update RTT estimates if it does not newly acknowledge the
 largest acknowledged packet.
 
 An RTT sample MUST NOT be generated on receiving an ACK frame that does not
-newly acknowledge at least one ack-eliciting packet.  A peer does not send an
-ACK frame on receiving only non-ack-eliciting packets, so an ACK frame that is
-subsequently sent can include an arbitrarily large Ack Delay field.  Ignoring
+newly acknowledge at least one ack-eliciting packet. A peer usually does not
+send an ACK frame when only non-ack-eliciting packets are received. Therefore
+an ACK frame that only contains acknowledgements for non-ack-eliciting packets

Technically, it could still acknowledge other packets as well -- the key is which packets are *newly* acknowledged, isn't it?

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