Re: [quicwg/base-drafts] Editorial suggestion against #3313 (#3314)

Martin Thomson <> Thu, 02 January 2020 03:01 UTC

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Date: Wed, 01 Jan 2020 19:01:28 -0800
From: Martin Thomson <>
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Subject: Re: [quicwg/base-drafts] Editorial suggestion against #3313 (#3314)
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martinthomson commented on this pull request.

> @@ -4747,9 +4747,10 @@ QUIC acknowledgements are irrevocable.  Once acknowledged, a packet remains
 acknowledged, even if it does not appear in a future ACK frame.  This is unlike
 TCP SACKs ({{?RFC2018}}).
-An ACK frame acknowledges packets in the same packet number space as the packet
-in which it is contained.  As such, the same packet number can be acknowledged
-in different packet number spaces.
+A packet number can be used in multiple packet number spaces. An acknowledgement

This runs afoul of the essential complaint in Dmitri's issue, namely that "packet number" refers to the scoped identifier (and not an unadorned numeric value).  

You might instead say:

The same numeric value might be used to identify packets from multiple packet number spaces. An acknowledgement

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